http://git-wip-us.apache.org/repos/asf/incubator-taverna-engine/blob/3ecb1291/taverna-database-configuration-impl/src/main/java/uk/org/taverna/configuration/database/impl/DatabaseConfigurationImpl.java
----------------------------------------------------------------------
diff --git 
a/taverna-database-configuration-impl/src/main/java/uk/org/taverna/configuration/database/impl/DatabaseConfigurationImpl.java
 
b/taverna-database-configuration-impl/src/main/java/uk/org/taverna/configuration/database/impl/DatabaseConfigurationImpl.java
deleted file mode 100644
index de73269..0000000
--- 
a/taverna-database-configuration-impl/src/main/java/uk/org/taverna/configuration/database/impl/DatabaseConfigurationImpl.java
+++ /dev/null
@@ -1,252 +0,0 @@
-/*******************************************************************************
- * Copyright (C) 2007 The University of Manchester
- *
- *  Modifications to the initial code base are copyright of their
- *  respective authors, or their employers as appropriate.
- *
- *  This program is free software; you can redistribute it and/or
- *  modify it under the terms of the GNU Lesser General Public License
- *  as published by the Free Software Foundation; either version 2.1 of
- *  the License, or (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful, but
- *  WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- *  Lesser General Public License for more details.
- *
- *  You should have received a copy of the GNU Lesser General Public
- *  License along with this program; if not, write to the Free Software
- *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
- 
******************************************************************************/
-package uk.org.taverna.configuration.database.impl;
-
-import java.util.HashMap;
-import java.util.Map;
-
-import uk.org.taverna.configuration.database.DatabaseConfiguration;
-import uk.org.taverna.configuration.AbstractConfigurable;
-import uk.org.taverna.configuration.ConfigurationManager;
-
-/**
- * Configuration for the reference service and provenance.
- *
- * @author David Withers
- * @author Stuart Owen
- */
-
-public class DatabaseConfigurationImpl extends AbstractConfigurable implements 
DatabaseConfiguration {
-
-       private Map<String, String> defaultPropertyMap;
-
-       private boolean autoSave = true;
-
-       public DatabaseConfigurationImpl(ConfigurationManager 
configurationManager) {
-               super(configurationManager);
-       }
-
-       @Override
-       public boolean isAutoSave() {
-               return autoSave;
-       }
-
-       @Override
-       public void enableAutoSave() {
-               autoSave = true;
-       }
-
-       @Override
-       public void disableAutoSave() {
-               autoSave = false;
-       }
-
-       @Override
-       protected void store() {
-               if (autoSave) {
-                       super.store();
-               }
-       }
-
-       @Override
-       public boolean isInMemory() {
-               return getProperty(IN_MEMORY).equalsIgnoreCase("true");
-       }
-
-       @Override
-       public void setInMemory(boolean value) {
-               setProperty(IN_MEMORY, String.valueOf(value));
-       }
-
-       @Override
-       public boolean isExposeDatanature() {
-               return getProperty(EXPOSE_DATANATURE).equalsIgnoreCase("true");
-       }
-
-       @Override
-       public void setExposeDatanature(boolean exposeDatanature) {
-               setProperty(EXPOSE_DATANATURE, 
String.valueOf(exposeDatanature));
-       }
-
-       @Override
-       public String getDatabaseContext() {
-               if (getProperty(IN_MEMORY).equalsIgnoreCase("true")) {
-                       return IN_MEMORY_CONTEXT;
-               } else {
-                       return HIBERNATE_CONTEXT;
-               }
-       }
-
-       @Override
-       public void setPort(int port) {
-               setPort(String.valueOf(port));
-       }
-
-       @Override
-       public void setPort(String port) {
-               setProperty(PORT, port);
-       }
-
-       @Override
-       public void setDriverClassName(String driverClassName) {
-               setProperty(DRIVER_CLASS_NAME, driverClassName);
-       }
-
-       @Override
-       public String getDriverClassName() {
-               return getProperty(DRIVER_CLASS_NAME);
-       }
-
-       @Override
-       public boolean isProvenanceEnabled() {
-               return getProperty(ENABLE_PROVENANCE).equalsIgnoreCase("true");
-       }
-
-       @Override
-       public void setProvenanceEnabled(boolean value) {
-               setProperty(ENABLE_PROVENANCE, String.valueOf(value));
-       }
-
-       @Override
-       public void setStartInternalDerbyServer(boolean value) {
-               setProperty(START_INTERNAL_DERBY, String.valueOf(value));
-       }
-
-       @Override
-       public boolean getStartInternalDerbyServer() {
-               return 
getProperty(START_INTERNAL_DERBY).equalsIgnoreCase("true");
-       }
-
-       @Override
-       public int getPort() {
-               return Integer.valueOf(getProperty(PORT));
-       }
-
-       @Override
-       public void setCurrentPort(int port) {
-               setProperty(CURRENT_PORT, String.valueOf(port));
-       }
-
-       @Override
-       public int getCurrentPort() {
-               return Integer.valueOf(getProperty(CURRENT_PORT));
-       }
-
-       @Override
-       public int getPoolMaxActive() {
-               return Integer.valueOf(getProperty(POOL_MAX_ACTIVE));
-       }
-
-       @Override
-       public int getPoolMinIdle() {
-               return Integer.valueOf(getProperty(POOL_MIN_IDLE));
-       }
-
-       @Override
-       public int getPoolMaxIdle() {
-               return Integer.valueOf(getProperty(POOL_MAX_IDLE));
-       }
-
-       @Override
-       public String getCategory() {
-               return "general";
-       }
-
-       @Override
-       public Map<String, String> getDefaultPropertyMap() {
-
-               if (defaultPropertyMap == null) {
-                       defaultPropertyMap = new HashMap<String, String>();
-                       defaultPropertyMap.put(IN_MEMORY, "true");
-                       defaultPropertyMap.put(ENABLE_PROVENANCE, "true");
-                       defaultPropertyMap.put(PORT, "1527");
-                       // defaultPropertyMap.put(DRIVER_CLASS_NAME,
-                       // "org.apache.derby.jdbc.ClientDriver");
-                       defaultPropertyMap.put(DRIVER_CLASS_NAME,
-                                       "org.apache.derby.jdbc.EmbeddedDriver");
-                       defaultPropertyMap.put(HIBERNATE_DIALECT,
-                                       "org.hibernate.dialect.DerbyDialect");
-                       defaultPropertyMap.put(POOL_MAX_ACTIVE, "50");
-                       defaultPropertyMap.put(POOL_MAX_IDLE, "50");
-                       defaultPropertyMap.put(POOL_MIN_IDLE, "10");
-                       defaultPropertyMap.put(USERNAME, "");
-                       defaultPropertyMap.put(PASSWORD, "");
-                       defaultPropertyMap.put(JDBC_URI,
-                                       
"jdbc:derby:t2-database;create=true;upgrade=true");
-                       defaultPropertyMap.put(START_INTERNAL_DERBY, "false");
-
-                       defaultPropertyMap.put(CONNECTOR_TYPE, CONNECTOR_DERBY);
-                       defaultPropertyMap.put(EXPOSE_DATANATURE, "false");
-               }
-               return defaultPropertyMap;
-       }
-
-       @Override
-       public String getHibernateDialect() {
-               return getProperty(HIBERNATE_DIALECT);
-       }
-
-       @Override
-       public String getDisplayName() {
-               return "Data and provenance";
-       }
-
-       @Override
-       public String getFilePrefix() {
-               return "DataAndProvenance";
-       }
-
-       @Override
-       public String getUUID() {
-               return "6BD3F5C1-C68D-4893-8D9B-2F46FA1DDB19";
-       }
-
-       @Override
-       public String getConnectorType() {
-               return getProperty(CONNECTOR_TYPE);
-       }
-
-       @Override
-       public String getJDBCUri() {
-               if (CONNECTOR_DERBY.equals(getConnectorType())
-                               && getStartInternalDerbyServer()) {
-                       return "jdbc:derby://localhost:" + getCurrentPort()
-                                       + 
"/t2-database;create=true;upgrade=true";
-               } else {
-                       return getProperty(JDBC_URI);
-               }
-       }
-
-       @Override
-       public void setJDBCUri(String uri) {
-               setProperty(JDBC_URI, uri);
-       }
-
-       @Override
-       public String getUsername() {
-               return getProperty(USERNAME);
-       }
-
-       @Override
-       public String getPassword() {
-               return getProperty(PASSWORD);
-       }
-}

http://git-wip-us.apache.org/repos/asf/incubator-taverna-engine/blob/3ecb1291/taverna-database-configuration-impl/src/main/java/uk/org/taverna/configuration/database/impl/DatabaseManagerImpl.java
----------------------------------------------------------------------
diff --git 
a/taverna-database-configuration-impl/src/main/java/uk/org/taverna/configuration/database/impl/DatabaseManagerImpl.java
 
b/taverna-database-configuration-impl/src/main/java/uk/org/taverna/configuration/database/impl/DatabaseManagerImpl.java
deleted file mode 100644
index 8a10d24..0000000
--- 
a/taverna-database-configuration-impl/src/main/java/uk/org/taverna/configuration/database/impl/DatabaseManagerImpl.java
+++ /dev/null
@@ -1,155 +0,0 @@
-package uk.org.taverna.configuration.database.impl;
-
-import java.io.File;
-import java.sql.Connection;
-import java.sql.SQLException;
-
-import javax.sql.DataSource;
-
-import org.apache.commons.dbcp.BasicDataSource;
-import org.apache.derby.drda.NetworkServerControl;
-import org.apache.log4j.Logger;
-
-import uk.org.taverna.configuration.database.DatabaseConfiguration;
-import uk.org.taverna.configuration.database.DatabaseManager;
-import uk.org.taverna.configuration.app.ApplicationConfiguration;
-
-/**
- * A set of utility methods related to basic data management.
- *
- * @author Stuart Owen
- * @author Stian Soiland-Reyes
- *
- */
-public class DatabaseManagerImpl implements DatabaseManager {
-
-       private final static Logger logger = 
Logger.getLogger(DatabaseManagerImpl.class);
-
-       private  NetworkServerControl server;
-
-       private BasicDataSource dataSource;
-
-       private DatabaseConfiguration databaseConfiguration;
-
-       private ApplicationConfiguration applicationConfiguration;
-
-       public DatabaseManagerImpl(ApplicationConfiguration 
applicationConfiguration, DatabaseConfiguration databaseConfiguration) throws 
SQLException {
-               this.applicationConfiguration = applicationConfiguration;
-               this.databaseConfiguration = databaseConfiguration;
-               getConnection();
-       }
-
-       @Override
-       public Connection getConnection() throws SQLException {
-               return getDataSource().getConnection();
-       }
-
-       @Override
-       public DataSource getDataSource() {
-               if (dataSource == null) {
-                       setupDataSource();
-               }
-               return dataSource;
-       }
-
-       @Override
-       public synchronized void startDerbyNetworkServer() {
-               setDerbyPaths();
-
-        System.setProperty("derby.drda.host","localhost");
-        System.setProperty("derby.drda.minThreads","5");
-        
System.setProperty("derby.drda.maxThreads",String.valueOf(databaseConfiguration.getPoolMaxActive()));
-        int port = databaseConfiguration.getPort();
-        int maxPort = port+50;
-
-        try {
-               
System.setProperty("derby.drda.portNumber",String.valueOf(port));
-            if (server==null) server = new NetworkServerControl();
-            while(port<maxPort) { //loop to find another available port on 
which Derby isn't already running
-               if (!isRunning()) break;
-               logger.info("Derby connection port: "+port+" is currently not 
available for Taverna, trying next value");
-               port++;
-               
System.setProperty("derby.drda.portNumber",String.valueOf(port));
-               server = new NetworkServerControl();
-            }
-            server.start(null);
-            databaseConfiguration.setCurrentPort(port);
-        } catch (Exception ex) {
-            logger.error("Error starting up Derby network server",ex);
-        }
-    }
-
-       @Override
-       public void stopDerbyNetworkServer() {
-               try {
-                       server.shutdown();
-               } catch (Exception e) {
-                       logger.error("Error shutting down Derby network 
server",e);
-               }
-       }
-
-       @Override
-       public boolean isRunning() {
-               if (server==null) {
-                       return false;
-               }
-               else {
-                       try {
-                               server.ping();
-                               return true;
-                       } catch (Exception e) {
-                               return false;
-                       }
-               }
-       }
-
-       private void setupDataSource() {
-               setDerbyPaths();
-
-               dataSource = new BasicDataSource();
-               
dataSource.setDriverClassName(databaseConfiguration.getDriverClassName());
-
-               System.setProperty("hibernate.dialect", 
databaseConfiguration.getHibernateDialect());
-
-               
dataSource.setDefaultTransactionIsolation(Connection.TRANSACTION_READ_UNCOMMITTED);
-               
dataSource.setMaxActive(databaseConfiguration.getPoolMaxActive());
-               dataSource.setMinIdle(databaseConfiguration.getPoolMinIdle());
-               dataSource.setMaxIdle(databaseConfiguration.getPoolMaxIdle());
-               dataSource.setDefaultAutoCommit(true);
-               
dataSource.setInitialSize(databaseConfiguration.getPoolMinIdle());
-               //Derby blows up if the username of password is empty (even an 
empty string thats not null).
-               if (databaseConfiguration.getUsername()!=null && 
databaseConfiguration.getUsername().length()>=1) 
dataSource.setUsername(databaseConfiguration.getUsername());
-               if (databaseConfiguration.getPassword()!=null && 
databaseConfiguration.getPassword().length()>=1) 
dataSource.setPassword(databaseConfiguration.getPassword());
-
-               dataSource.setUrl(databaseConfiguration.getJDBCUri());
-    }
-
-       private void setDerbyPaths() {
-               if (databaseConfiguration.getConnectorType() == 
DatabaseConfiguration.CONNECTOR_DERBY) {
-                       String homeDir = 
applicationConfiguration.getApplicationHomeDir().getAbsolutePath();
-                       System.setProperty("derby.system.home",homeDir);
-                       File logFile = new 
File(applicationConfiguration.getLogDir(), "derby.log");
-                       System.setProperty("derby.stream.error.file", 
logFile.getAbsolutePath());
-               }
-
-       }
-
-       /**
-        * Sets the databaseConfiguration.
-        *
-        * @param databaseConfiguration the new value of databaseConfiguration
-        */
-       public void setDatabaseConfiguration(DatabaseConfiguration 
databaseConfiguration) {
-               this.databaseConfiguration = databaseConfiguration;
-       }
-
-       /**
-        * Sets the applicationConfiguration.
-        *
-        * @param applicationConfiguration the new value of 
applicationConfiguration
-        */
-       public void setApplicationConfiguration(ApplicationConfiguration 
applicationConfiguration) {
-               this.applicationConfiguration = applicationConfiguration;
-       }
-
-}

http://git-wip-us.apache.org/repos/asf/incubator-taverna-engine/blob/3ecb1291/taverna-database-configuration-impl/src/main/resources/META-INF/spring/database-context-osgi.xml
----------------------------------------------------------------------
diff --git 
a/taverna-database-configuration-impl/src/main/resources/META-INF/spring/database-context-osgi.xml
 
b/taverna-database-configuration-impl/src/main/resources/META-INF/spring/database-context-osgi.xml
deleted file mode 100644
index 2eae538..0000000
--- 
a/taverna-database-configuration-impl/src/main/resources/META-INF/spring/database-context-osgi.xml
+++ /dev/null
@@ -1,18 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<beans:beans xmlns="http://www.springframework.org/schema/osgi";
-       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"; 
xmlns:beans="http://www.springframework.org/schema/beans";
-       xsi:schemaLocation="http://www.springframework.org/schema/beans
-                                 
http://www.springframework.org/schema/beans/spring-beans.xsd
-                                 http://www.springframework.org/schema/osgi
-                                 
http://www.springframework.org/schema/osgi/spring-osgi.xsd";>
-
-       <service ref="databaseConfiguration" 
interface="uk.org.taverna.configuration.database.DatabaseConfiguration" />
-       <service ref="databaseManager" 
interface="uk.org.taverna.configuration.database.DatabaseManager" />
-
-       <reference id="configurationManager" 
interface="uk.org.taverna.configuration.ConfigurationManager" />
-       <reference id="applicationConfiguration" 
interface="uk.org.taverna.configuration.app.ApplicationConfiguration" />
-
-       <!-- <reference id="dataSourceFactory" 
interface="org.osgi.service.jdbc.DataSourceFactory"
-               
filter="(osgi.jdbc.driver.class=org.apache.derby.jdbc.EmbeddedDriver)" /> -->
-
-</beans:beans>

http://git-wip-us.apache.org/repos/asf/incubator-taverna-engine/blob/3ecb1291/taverna-database-configuration-impl/src/main/resources/META-INF/spring/database-context.xml
----------------------------------------------------------------------
diff --git 
a/taverna-database-configuration-impl/src/main/resources/META-INF/spring/database-context.xml
 
b/taverna-database-configuration-impl/src/main/resources/META-INF/spring/database-context.xml
deleted file mode 100644
index f397933..0000000
--- 
a/taverna-database-configuration-impl/src/main/resources/META-INF/spring/database-context.xml
+++ /dev/null
@@ -1,20 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<beans xmlns="http://www.springframework.org/schema/beans";
-       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
-       xsi:schemaLocation="http://www.springframework.org/schema/beans
-                           
http://www.springframework.org/schema/beans/spring-beans.xsd";>
-
-       <bean id="databaseConfiguration"
-               
class="uk.org.taverna.configuration.database.impl.DatabaseConfigurationImpl">
-               <constructor-arg name="configurationManager" 
ref="configurationManager" />
-       </bean>
-
-       <bean id="databaseManager"
-               
class="uk.org.taverna.configuration.database.impl.DatabaseManagerImpl">
-               <constructor-arg name="applicationConfiguration" 
ref="applicationConfiguration" />
-               <constructor-arg name="databaseConfiguration">
-                       <ref local="databaseConfiguration" />
-               </constructor-arg>
-       </bean>
-
-</beans>

http://git-wip-us.apache.org/repos/asf/incubator-taverna-engine/blob/3ecb1291/taverna-dataflow-activity/pom.xml
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diff --git a/taverna-dataflow-activity/pom.xml 
b/taverna-dataflow-activity/pom.xml
deleted file mode 100644
index 05c7e1d..0000000
--- a/taverna-dataflow-activity/pom.xml
+++ /dev/null
@@ -1,48 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0"; 
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"; 
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 
http://maven.apache.org/maven-v4_0_0.xsd";>
-       <modelVersion>4.0.0</modelVersion>
-       <parent>
-               <groupId>org.apache.taverna.engine</groupId>
-               <artifactId>taverna-engine</artifactId>
-               <version>3.1.0-incubating-SNAPSHOT</version>
-       </parent>
-       <artifactId>taverna-dataflow-activity</artifactId>
-       <packaging>bundle</packaging>
-       <name>Apache Taverna Dataflow Activity</name>
-       <dependencies>
-               <dependency>
-                       <groupId>${project.parent.groupId}</groupId>
-                       <artifactId>taverna-workflowmodel-api</artifactId>
-                       <version>${project.parent.version}</version>
-               </dependency>
-               <dependency>
-                       <groupId>${project.parent.groupId}</groupId>
-                       <artifactId>taverna-reference-api</artifactId>
-                       <version>${project.parent.version}</version>
-               </dependency>
-
-               <dependency>
-                       <groupId>com.fasterxml.jackson.core</groupId>
-                       <artifactId>jackson-databind</artifactId>
-                       <version>2.2.2</version>
-               </dependency>
-               <dependency>
-                       <groupId>log4j</groupId>
-                       <artifactId>log4j</artifactId>
-                       <version>${log4j.version}</version>
-               </dependency>
-
-               <dependency>
-                       <groupId>junit</groupId>
-                       <artifactId>junit</artifactId>
-                       <version>${junit.version}</version>
-                       <scope>test</scope>
-               </dependency>
-               <dependency>
-                       <groupId>${project.parent.groupId}</groupId>
-                       <artifactId>taverna-activity-test-utils</artifactId>
-                       <version>${project.parent.version}</version>
-                       <scope>test</scope>
-               </dependency>
-       </dependencies>
-</project>

http://git-wip-us.apache.org/repos/asf/incubator-taverna-engine/blob/3ecb1291/taverna-dataflow-activity/src/main/java/net/sf/taverna/t2/activities/dataflow/DataflowActivity.java
----------------------------------------------------------------------
diff --git 
a/taverna-dataflow-activity/src/main/java/net/sf/taverna/t2/activities/dataflow/DataflowActivity.java
 
b/taverna-dataflow-activity/src/main/java/net/sf/taverna/t2/activities/dataflow/DataflowActivity.java
deleted file mode 100644
index 7ec8e22..0000000
--- 
a/taverna-dataflow-activity/src/main/java/net/sf/taverna/t2/activities/dataflow/DataflowActivity.java
+++ /dev/null
@@ -1,168 +0,0 @@
-/*******************************************************************************
- * Copyright (C) 2007 The University of Manchester
- *
- *  Modifications to the initial code base are copyright of their
- *  respective authors, or their employers as appropriate.
- *
- *  This program is free software; you can redistribute it and/or
- *  modify it under the terms of the GNU Lesser General Public License
- *  as published by the Free Software Foundation; either version 2.1 of
- *  the License, or (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful, but
- *  WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- *  Lesser General Public License for more details.
- *
- *  You should have received a copy of the GNU Lesser General Public
- *  License along with this program; if not, write to the Free Software
- *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
- 
******************************************************************************/
-package net.sf.taverna.t2.activities.dataflow;
-
-import java.util.HashMap;
-import java.util.Map;
-
-import net.sf.taverna.t2.facade.FacadeListener;
-import net.sf.taverna.t2.facade.ResultListener;
-import net.sf.taverna.t2.facade.WorkflowInstanceFacade;
-import net.sf.taverna.t2.facade.WorkflowInstanceFacade.State;
-import net.sf.taverna.t2.invocation.TokenOrderException;
-import net.sf.taverna.t2.invocation.WorkflowDataToken;
-import net.sf.taverna.t2.reference.T2Reference;
-import net.sf.taverna.t2.workflowmodel.Dataflow;
-import net.sf.taverna.t2.workflowmodel.InvalidDataflowException;
-import 
net.sf.taverna.t2.workflowmodel.processor.activity.AbstractAsynchronousActivity;
-import 
net.sf.taverna.t2.workflowmodel.processor.activity.ActivityConfigurationException;
-import 
net.sf.taverna.t2.workflowmodel.processor.activity.AsynchronousActivityCallback;
-import net.sf.taverna.t2.workflowmodel.processor.activity.NestedDataflow;
-
-import org.apache.log4j.Logger;
-
-import com.fasterxml.jackson.databind.JsonNode;
-
-/**
- * An Activity providing nested Dataflow functionality.
- *
- * @author David Withers
- */
-public class DataflowActivity extends AbstractAsynchronousActivity<JsonNode> 
implements NestedDataflow {
-
-       public static final String URI = 
"http://ns.taverna.org.uk/2010/activity/nested-workflow";;
-
-       @SuppressWarnings("unused")
-       private static final Logger logger = 
Logger.getLogger(DataflowActivity.class);
-
-       private Dataflow dataflow;
-
-       private JsonNode json;
-
-       @Override
-       public void configure(JsonNode json) throws 
ActivityConfigurationException {
-               this.json = json;
-//             dataflow.checkValidity();
-//             buildInputPorts();
-//             buildOutputPorts();
-       }
-
-       @Override
-       public JsonNode getConfiguration() {
-               return json;
-       }
-
-       @Override
-       public void executeAsynch(final Map<String, T2Reference> data,
-                       final AsynchronousActivityCallback callback) {
-               callback.requestRun(new Runnable() {
-                       
-                       Map<String, T2Reference> outputData = new 
HashMap<String, T2Reference>();
-
-                       public void run() {
-
-                               final WorkflowInstanceFacade facade;
-                               try {
-                                       facade = 
getEdits().createWorkflowInstanceFacade(dataflow, callback.getContext(),
-                                                       
callback.getParentProcessIdentifier());
-                               } catch (InvalidDataflowException ex) {
-                                       callback.fail("Invalid workflow", ex);
-                                       return;
-                               }
-
-                               final ResultListener rl = new ResultListener() {
-
-
-                                       public void 
resultTokenProduced(WorkflowDataToken dataToken, String port) {
-                                               if (dataToken.getIndex().length 
== 0) {
-                                                       outputData.put(port, 
dataToken.getData());
-                                               }
-                                       }
-                               };
-                               
-                               final FacadeListener fl = new FacadeListener() {
-
-                                       @Override
-                                       public void 
workflowFailed(WorkflowInstanceFacade facade,
-                                                       String message, 
Throwable t) {
-                                               callback.fail(message, t);
-                                       }
-
-                                       @Override
-                                       public void 
stateChange(WorkflowInstanceFacade facade,
-                                                       State oldState, State 
newState) {
-                                               if (newState == 
State.completed) {
-                                                       
facade.removeResultListener(rl);
-                                                       
facade.removeFacadeListener(this);
-                                                       
callback.receiveResult(outputData, new int[]{});
-                                               }
-                                       }
-                                       
-                               };
-                               
-                               facade.addResultListener(rl);
-                               facade.addFacadeListener(fl);
-
-                               facade.fire();
-
-                               for (Map.Entry<String, T2Reference> entry : 
data.entrySet()) {
-                                       try {
-                                               WorkflowDataToken token = new 
WorkflowDataToken(callback
-                                                               
.getParentProcessIdentifier(), new int[] {}, entry.getValue(),
-                                                               
callback.getContext());
-                                               facade.pushData(token, 
entry.getKey());
-                                       } catch (TokenOrderException e) {
-                                               callback.fail("Failed to push 
data into facade", e);
-                                       }
-                               }
-
-                       }
-
-               });
-       }
-
-//     private void buildInputPorts() throws ActivityConfigurationException {
-//             inputPorts.clear();
-//             for (DataflowInputPort dataflowInputPort : 
dataflow.getInputPorts()) {
-//                     addInput(dataflowInputPort.getName(), 
dataflowInputPort.getDepth(), true,
-//                                     new ArrayList<Class<? extends 
ExternalReferenceSPI>>(), null);
-//             }
-//     }
-
-//     private void buildOutputPorts() throws ActivityConfigurationException {
-//             outputPorts.clear();
-//             // granular depth same as depth - no streaming of results
-//             for (DataflowOutputPort dataflowOutputPort : 
dataflow.getOutputPorts()) {
-//                     addOutput(dataflowOutputPort.getName(), 
dataflowOutputPort.getDepth(),
-//                                     dataflowOutputPort.getDepth());
-//             }
-//     }
-
-       public Dataflow getNestedDataflow() {
-               return dataflow;
-       }
-
-       @Override
-       public void setNestedDataflow(Dataflow dataflow) {
-               this.dataflow = dataflow;
-       }
-
-}

http://git-wip-us.apache.org/repos/asf/incubator-taverna-engine/blob/3ecb1291/taverna-dataflow-activity/src/main/java/net/sf/taverna/t2/activities/dataflow/DataflowActivityFactory.java
----------------------------------------------------------------------
diff --git 
a/taverna-dataflow-activity/src/main/java/net/sf/taverna/t2/activities/dataflow/DataflowActivityFactory.java
 
b/taverna-dataflow-activity/src/main/java/net/sf/taverna/t2/activities/dataflow/DataflowActivityFactory.java
deleted file mode 100644
index 1529e00..0000000
--- 
a/taverna-dataflow-activity/src/main/java/net/sf/taverna/t2/activities/dataflow/DataflowActivityFactory.java
+++ /dev/null
@@ -1,81 +0,0 @@
-/*******************************************************************************
- * Copyright (C) 2010 The University of Manchester
- *
- *  Modifications to the initial code base are copyright of their
- *  respective authors, or their employers as appropriate.
- *
- *  This program is free software; you can redistribute it and/or
- *  modify it under the terms of the GNU Lesser General Public License
- *  as published by the Free Software Foundation; either version 2.1 of
- *  the License, or (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful, but
- *  WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- *  Lesser General Public License for more details.
- *
- *  You should have received a copy of the GNU Lesser General Public
- *  License along with this program; if not, write to the Free Software
- *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
- 
******************************************************************************/
-package net.sf.taverna.t2.activities.dataflow;
-
-import java.io.IOException;
-import java.net.URI;
-import java.util.HashSet;
-import java.util.Set;
-
-import net.sf.taverna.t2.workflowmodel.Edits;
-import net.sf.taverna.t2.workflowmodel.processor.activity.ActivityFactory;
-import net.sf.taverna.t2.workflowmodel.processor.activity.ActivityInputPort;
-import net.sf.taverna.t2.workflowmodel.processor.activity.ActivityOutputPort;
-
-import com.fasterxml.jackson.databind.JsonNode;
-import com.fasterxml.jackson.databind.ObjectMapper;
-
-/**
- * An {@link ActivityFactory} for creating <code>DataflowActivity</code>.
- *
- * @author David Withers
- */
-public class DataflowActivityFactory implements ActivityFactory {
-
-       private Edits edits;
-
-       @Override
-       public DataflowActivity createActivity() {
-               DataflowActivity activity = new DataflowActivity();
-               activity.setEdits(edits);
-               return activity;
-       }
-
-       @Override
-       public URI getActivityType() {
-               return URI.create(DataflowActivity.URI);
-       }
-
-       @Override
-       public JsonNode getActivityConfigurationSchema() {
-               ObjectMapper objectMapper = new ObjectMapper();
-               try {
-                       return 
objectMapper.readTree(getClass().getResource("/schema.json"));
-               } catch (IOException e) {
-                       return objectMapper.createObjectNode();
-               }
-       }
-
-       @Override
-       public Set<ActivityInputPort> getInputPorts(JsonNode configuration) {
-               return new HashSet<>();
-       }
-
-       @Override
-       public Set<ActivityOutputPort> getOutputPorts(JsonNode configuration) {
-               return new HashSet<>();
-       }
-
-       public void setEdits(Edits edits) {
-               this.edits = edits;
-       }
-
-}

http://git-wip-us.apache.org/repos/asf/incubator-taverna-engine/blob/3ecb1291/taverna-dataflow-activity/src/main/java/net/sf/taverna/t2/activities/dataflow/DataflowActivityHealthChecker.java
----------------------------------------------------------------------
diff --git 
a/taverna-dataflow-activity/src/main/java/net/sf/taverna/t2/activities/dataflow/DataflowActivityHealthChecker.java
 
b/taverna-dataflow-activity/src/main/java/net/sf/taverna/t2/activities/dataflow/DataflowActivityHealthChecker.java
deleted file mode 100644
index 86cf595..0000000
--- 
a/taverna-dataflow-activity/src/main/java/net/sf/taverna/t2/activities/dataflow/DataflowActivityHealthChecker.java
+++ /dev/null
@@ -1,42 +0,0 @@
-/*******************************************************************************
- * Copyright (C) 2007 The University of Manchester
- *
- *  Modifications to the initial code base are copyright of their
- *  respective authors, or their employers as appropriate.
- *
- *  This program is free software; you can redistribute it and/or
- *  modify it under the terms of the GNU Lesser General Public License
- *  as published by the Free Software Foundation; either version 2.1 of
- *  the License, or (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful, but
- *  WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- *  Lesser General Public License for more details.
- *
- *  You should have received a copy of the GNU Lesser General Public
- *  License along with this program; if not, write to the Free Software
- *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
- 
******************************************************************************/
-package net.sf.taverna.t2.activities.dataflow;
-
-import java.util.List;
-
-import net.sf.taverna.t2.visit.VisitReport;
-import net.sf.taverna.t2.workflowmodel.health.HealthChecker;
-
-public class DataflowActivityHealthChecker implements 
HealthChecker<DataflowActivity> {
-
-       public boolean canVisit(Object subject) {
-               return false;
-       }
-
-       public VisitReport visit(DataflowActivity activity, List<Object> 
ancestors) {
-               return null;
-       }
-
-       public boolean isTimeConsuming() {
-               return true;
-       }
-
-}

http://git-wip-us.apache.org/repos/asf/incubator-taverna-engine/blob/3ecb1291/taverna-dataflow-activity/src/main/resources/META-INF/services/net.sf.taverna.t2.workflowmodel.health.HealthChecker
----------------------------------------------------------------------
diff --git 
a/taverna-dataflow-activity/src/main/resources/META-INF/services/net.sf.taverna.t2.workflowmodel.health.HealthChecker
 
b/taverna-dataflow-activity/src/main/resources/META-INF/services/net.sf.taverna.t2.workflowmodel.health.HealthChecker
deleted file mode 100644
index 1254008..0000000
--- 
a/taverna-dataflow-activity/src/main/resources/META-INF/services/net.sf.taverna.t2.workflowmodel.health.HealthChecker
+++ /dev/null
@@ -1 +0,0 @@
-net.sf.taverna.t2.activities.dataflow.DataflowActivityHealthChecker
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/incubator-taverna-engine/blob/3ecb1291/taverna-dataflow-activity/src/main/resources/META-INF/spring/dataflow-activity-context-osgi.xml
----------------------------------------------------------------------
diff --git 
a/taverna-dataflow-activity/src/main/resources/META-INF/spring/dataflow-activity-context-osgi.xml
 
b/taverna-dataflow-activity/src/main/resources/META-INF/spring/dataflow-activity-context-osgi.xml
deleted file mode 100644
index 480b7e7..0000000
--- 
a/taverna-dataflow-activity/src/main/resources/META-INF/spring/dataflow-activity-context-osgi.xml
+++ /dev/null
@@ -1,15 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<beans:beans xmlns="http://www.springframework.org/schema/osgi"; 
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
-       xmlns:beans="http://www.springframework.org/schema/beans";
-       xsi:schemaLocation="http://www.springframework.org/schema/beans
-                                 
http://www.springframework.org/schema/beans/spring-beans.xsd
-                                 http://www.springframework.org/schema/osgi
-                                 
http://www.springframework.org/schema/osgi/spring-osgi.xsd";>
-
-       <service ref="dataflowActivityHealthChecker" 
interface="net.sf.taverna.t2.workflowmodel.health.HealthChecker" />
-
-       <service ref="dataflowActivityFactory" 
interface="net.sf.taverna.t2.workflowmodel.processor.activity.ActivityFactory" 
/>
-
-       <reference id="edits" interface="net.sf.taverna.t2.workflowmodel.Edits" 
/>
-
-</beans:beans>

http://git-wip-us.apache.org/repos/asf/incubator-taverna-engine/blob/3ecb1291/taverna-dataflow-activity/src/main/resources/META-INF/spring/dataflow-activity-context.xml
----------------------------------------------------------------------
diff --git 
a/taverna-dataflow-activity/src/main/resources/META-INF/spring/dataflow-activity-context.xml
 
b/taverna-dataflow-activity/src/main/resources/META-INF/spring/dataflow-activity-context.xml
deleted file mode 100644
index b689bf9..0000000
--- 
a/taverna-dataflow-activity/src/main/resources/META-INF/spring/dataflow-activity-context.xml
+++ /dev/null
@@ -1,12 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<beans xmlns="http://www.springframework.org/schema/beans"; 
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
-       xsi:schemaLocation="http://www.springframework.org/schema/beans
-                           
http://www.springframework.org/schema/beans/spring-beans.xsd";>
-
-       <bean id="dataflowActivityHealthChecker" 
class="net.sf.taverna.t2.activities.dataflow.DataflowActivityHealthChecker" />
-
-       <bean id="dataflowActivityFactory" 
class="net.sf.taverna.t2.activities.dataflow.DataflowActivityFactory" >
-               <property name="edits" ref="edits" />
-       </bean>
-
-</beans>

http://git-wip-us.apache.org/repos/asf/incubator-taverna-engine/blob/3ecb1291/taverna-dataflow-activity/src/main/resources/schema.json
----------------------------------------------------------------------
diff --git a/taverna-dataflow-activity/src/main/resources/schema.json 
b/taverna-dataflow-activity/src/main/resources/schema.json
deleted file mode 100644
index 3d8de20..0000000
--- a/taverna-dataflow-activity/src/main/resources/schema.json
+++ /dev/null
@@ -1,19 +0,0 @@
-{
-    "$schema": "http://json-schema.org/draft-03/schema#";,
-    "id": "http://ns.taverna.org.uk/2010/activity/dataflow.schema.json";,
-    "title": "Dataflow activity configuration",
-    "type": "object",
-    "properties": {
-        "@context": {
-            "description": "JSON-LD context for interpreting the configuration 
as RDF",
-            "required": true,
-            "enum": 
["http://ns.taverna.org.uk/2010/activity/dataflow.context.json";]
-        },
-        "nestedWorkflow": {
-            "title": "Nested Workflow",
-            "description": "Name of the nested workflow",
-            "type": "string",
-            "required": true
-        }
-    }
-}

http://git-wip-us.apache.org/repos/asf/incubator-taverna-engine/blob/3ecb1291/taverna-dataflow-activity/src/test/java/net/sf/taverna/t2/activities/dataflow/DataflowActivityFactoryTest.java
----------------------------------------------------------------------
diff --git 
a/taverna-dataflow-activity/src/test/java/net/sf/taverna/t2/activities/dataflow/DataflowActivityFactoryTest.java
 
b/taverna-dataflow-activity/src/test/java/net/sf/taverna/t2/activities/dataflow/DataflowActivityFactoryTest.java
deleted file mode 100644
index 5942109..0000000
--- 
a/taverna-dataflow-activity/src/test/java/net/sf/taverna/t2/activities/dataflow/DataflowActivityFactoryTest.java
+++ /dev/null
@@ -1,65 +0,0 @@
-/*******************************************************************************
- * Copyright (C) 2010 The University of Manchester   
- * 
- *  Modifications to the initial code base are copyright of their
- *  respective authors, or their employers as appropriate.
- * 
- *  This program is free software; you can redistribute it and/or
- *  modify it under the terms of the GNU Lesser General Public License
- *  as published by the Free Software Foundation; either version 2.1 of
- *  the License, or (at your option) any later version.
- *    
- *  This program is distributed in the hope that it will be useful, but
- *  WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- *  Lesser General Public License for more details.
- *    
- *  You should have received a copy of the GNU Lesser General Public
- *  License along with this program; if not, write to the Free Software
- *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
- 
******************************************************************************/
-package net.sf.taverna.t2.activities.dataflow;
-
-import java.net.URI;
-import net.sf.taverna.t2.workflowmodel.impl.EditsImpl;
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertNotNull;
-
-import org.junit.Before;
-import org.junit.Test;
-
-/**
- * 
- * @author David Withers
- */
-public class DataflowActivityFactoryTest {
-
-       private DataflowActivityFactory factory;
-       
-       /**
-        * @throws java.lang.Exception
-        */
-       @Before
-       public void setUp() throws Exception {
-               factory = new DataflowActivityFactory();
-                factory.setEdits(new EditsImpl());
-       }
-
-       /**
-        * Test method for {@link 
net.sf.taverna.t2.activities.beanshell.BeanshellActivityFactory#createActivity()}.
-        */
-       @Test
-       public void testCreateActivity() {
-               DataflowActivity createActivity = factory.createActivity();
-               assertNotNull(createActivity);
-       }
-
-       /**
-        * Test method for {@link 
net.sf.taverna.t2.activities.beanshell.BeanshellActivityFactory#getActivityType()}.
-        */
-       @Test
-       public void testGetActivityURI() {
-               assertEquals(URI.create(DataflowActivity.URI), 
factory.getActivityType());
-       }
-
-}

http://git-wip-us.apache.org/repos/asf/incubator-taverna-engine/blob/3ecb1291/taverna-dataflow-activity/src/test/java/net/sf/taverna/t2/activities/dataflow/DataflowActivityTest.java
----------------------------------------------------------------------
diff --git 
a/taverna-dataflow-activity/src/test/java/net/sf/taverna/t2/activities/dataflow/DataflowActivityTest.java
 
b/taverna-dataflow-activity/src/test/java/net/sf/taverna/t2/activities/dataflow/DataflowActivityTest.java
deleted file mode 100644
index 7cd7c97..0000000
--- 
a/taverna-dataflow-activity/src/test/java/net/sf/taverna/t2/activities/dataflow/DataflowActivityTest.java
+++ /dev/null
@@ -1,98 +0,0 @@
-/*******************************************************************************
- * Copyright (C) 2007 The University of Manchester
- *
- *  Modifications to the initial code base are copyright of their
- *  respective authors, or their employers as appropriate.
- *
- *  This program is free software; you can redistribute it and/or
- *  modify it under the terms of the GNU Lesser General Public License
- *  as published by the Free Software Foundation; either version 2.1 of
- *  the License, or (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful, but
- *  WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- *  Lesser General Public License for more details.
- *
- *  You should have received a copy of the GNU Lesser General Public
- *  License along with this program; if not, write to the Free Software
- *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
- 
******************************************************************************/
-package net.sf.taverna.t2.activities.dataflow;
-
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertNull;
-import static org.junit.Assert.assertTrue;
-
-import java.util.HashMap;
-import java.util.Map;
-
-import net.sf.taverna.t2.activities.testutils.ActivityInvoker;
-import net.sf.taverna.t2.workflowmodel.Dataflow;
-import net.sf.taverna.t2.workflowmodel.Datalink;
-import net.sf.taverna.t2.workflowmodel.Edits;
-import net.sf.taverna.t2.workflowmodel.impl.EditsImpl;
-import 
net.sf.taverna.t2.workflowmodel.processor.activity.impl.ActivityInputPortImpl;
-import 
net.sf.taverna.t2.workflowmodel.processor.activity.impl.ActivityOutputPortImpl;
-
-import org.junit.Before;
-import org.junit.Test;
-
-/**
- * Dataflow Activity Tests
- *
- * @author David Withers
- */
-public class DataflowActivityTest {
-
-       private Dataflow dataflow;
-
-       private DataflowActivity activity;
-
-       @Before
-       public void setUp() throws Exception {
-               activity = new DataflowActivity();
-               Edits edits = new EditsImpl();
-               activity.setEdits(edits);
-               dataflow = edits.createDataflow();
-               edits.getCreateDataflowInputPortEdit(dataflow, "input", 0, 
0).doEdit();
-               edits.getCreateDataflowOutputPortEdit(dataflow, 
"output").doEdit();
-               Datalink datalink = 
edits.createDatalink(dataflow.getInputPorts().get(0)
-                               .getInternalOutputPort(), 
dataflow.getOutputPorts().get(0).getInternalInputPort());
-               edits.getConnectDatalinkEdit(datalink).doEdit();
-       }
-
-       @Test
-       public void testConfigureDataflowActivityConfigurationBean() throws 
Exception {
-               activity.setNestedDataflow(dataflow);
-               assertEquals(dataflow, activity.getNestedDataflow());
-
-               Edits edits = new EditsImpl();
-               dataflow = edits.createDataflow();
-               edits.getAddActivityInputPortEdit(activity, new 
ActivityInputPortImpl("input", 0)).doEdit();
-               edits.getAddActivityOutputPortEdit(activity, new 
ActivityOutputPortImpl("output", 0, 0))
-                               .doEdit();
-
-               assertEquals(1, activity.getInputPorts().size());
-               assertEquals("input", 
activity.getInputPorts().iterator().next().getName());
-               assertEquals(1, activity.getOutputPorts().size());
-               assertEquals("output", 
activity.getOutputPorts().iterator().next().getName());
-
-               Map<String, Object> inputs = new HashMap<String, Object>();
-               inputs.put("input", "aString");
-               Map<String, Class<?>> expectedOutputs = new HashMap<String, 
Class<?>>();
-               expectedOutputs.put("output", String.class);
-
-               Map<String, Object> outputs = 
ActivityInvoker.invokeAsyncActivity(activity, inputs,
-                               expectedOutputs);
-               assertTrue("there should be an output named output", 
outputs.containsKey("output"));
-               assertEquals("output should have the value aString", "aString", 
outputs.get("output"));
-       }
-
-       @Test
-       public void testGetConfiguration() {
-               assertNull("freshly created activity should not contain 
configuration",
-                               activity.getConfiguration());
-       }
-
-}

http://git-wip-us.apache.org/repos/asf/incubator-taverna-engine/blob/3ecb1291/taverna-execution-api/pom.xml
----------------------------------------------------------------------
diff --git a/taverna-execution-api/pom.xml b/taverna-execution-api/pom.xml
deleted file mode 100644
index 1349766..0000000
--- a/taverna-execution-api/pom.xml
+++ /dev/null
@@ -1,45 +0,0 @@
-<project xmlns="http://maven.apache.org/POM/4.0.0"; 
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"; 
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 
http://maven.apache.org/xsd/maven-4.0.0.xsd";>
-       <modelVersion>4.0.0</modelVersion>
-       <parent>
-               <groupId>org.apache.taverna.engine</groupId>
-               <artifactId>taverna-engine</artifactId>
-               <version>3.1.0-incubating-SNAPSHOT</version>
-       </parent>
-       <artifactId>taverna-execution-api</artifactId>
-       <packaging>bundle</packaging>
-       <name>Apache Taverna Platform Execution Service API</name>
-       <description>A Service for executing Taverna workflows</description>
-       <dependencies>
-               <dependency>
-                       <groupId>${project.parent.groupId}</groupId>
-                       <artifactId>taverna-capability-api</artifactId>
-                       <version>${project.parent.version}</version>
-               </dependency>
-               <dependency>
-                       <groupId>${project.parent.groupId}</groupId>
-                       <artifactId>taverna-report-api</artifactId>
-                       <version>${project.parent.version}</version>
-               </dependency>
-               <dependency>
-                       <groupId>org.apache.taverna.language</groupId>
-                       <artifactId>taverna-scufl2-api</artifactId>
-                       <version>${taverna.language.version}</version>
-               </dependency>
-               <dependency>
-                       <groupId>org.apache.taverna.language</groupId>
-                       <artifactId>taverna-databundle</artifactId>
-                       <version>${taverna.language.version}</version>
-               </dependency>
-               <dependency>
-                       <groupId>junit</groupId>
-                       <artifactId>junit</artifactId>
-                       <version>${junit.version}</version>
-                       <scope>test</scope>
-               </dependency>
-               <dependency>
-                       <groupId>org.apache.taverna.language</groupId>
-                       <artifactId>taverna-robundle</artifactId>
-                       <version>${taverna.language.version}</version>
-               </dependency>
-       </dependencies>
-</project>

http://git-wip-us.apache.org/repos/asf/incubator-taverna-engine/blob/3ecb1291/taverna-execution-api/src/main/java/uk/org/taverna/platform/execution/api/AbstractExecution.java
----------------------------------------------------------------------
diff --git 
a/taverna-execution-api/src/main/java/uk/org/taverna/platform/execution/api/AbstractExecution.java
 
b/taverna-execution-api/src/main/java/uk/org/taverna/platform/execution/api/AbstractExecution.java
deleted file mode 100644
index c3802ce..0000000
--- 
a/taverna-execution-api/src/main/java/uk/org/taverna/platform/execution/api/AbstractExecution.java
+++ /dev/null
@@ -1,139 +0,0 @@
-/*******************************************************************************
- * Copyright (C) 2010 The University of Manchester
- *
- *  Modifications to the initial code base are copyright of their
- *  respective authors, or their employers as appropriate.
- *
- *  This program is free software; you can redistribute it and/or
- *  modify it under the terms of the GNU Lesser General Public License
- *  as published by the Free Software Foundation; either version 2.1 of
- *  the License, or (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful, but
- *  WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- *  Lesser General Public License for more details.
- *
- *  You should have received a copy of the GNU Lesser General Public
- *  License along with this program; if not, write to the Free Software
- *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
- 
******************************************************************************/
-package uk.org.taverna.platform.execution.api;
-
-import java.util.UUID;
-
-import org.purl.wf4ever.robundle.Bundle;
-
-import uk.org.taverna.platform.report.ActivityReport;
-import uk.org.taverna.platform.report.ProcessorReport;
-import uk.org.taverna.platform.report.WorkflowReport;
-import uk.org.taverna.scufl2.api.activity.Activity;
-import uk.org.taverna.scufl2.api.common.Scufl2Tools;
-import uk.org.taverna.scufl2.api.container.WorkflowBundle;
-import uk.org.taverna.scufl2.api.core.Processor;
-import uk.org.taverna.scufl2.api.core.Workflow;
-import uk.org.taverna.scufl2.api.profiles.ProcessorBinding;
-import uk.org.taverna.scufl2.api.profiles.Profile;
-
-/**
- * Abstract implementation of an {@link Execution}.
- *
- * @author David Withers
- */
-public abstract class AbstractExecution implements Execution {
-
-       private final String ID;
-       private final WorkflowBundle workflowBundle;
-       private final Bundle dataBundle;
-       private final Workflow workflow;
-       private final Profile profile;
-       private final WorkflowReport workflowReport;
-
-       private final Scufl2Tools scufl2Tools = new Scufl2Tools();
-
-       /**
-        * Constructs an abstract implementation of an Execution.
-        *
-        * @param workflowBundle
-        *            the <code>WorkflowBundle</code> containing the 
<code>Workflow</code>s required for
-        *            execution
-        * @param workflow
-        *            the <code>Workflow</code> to execute
-        * @param profile
-        *            the <code>Profile</code> to use when executing the 
<code>Workflow</code>
-        * @param dataBundle
-        *            the <code>Bundle</code> containing the data values for 
the <code>Workflow</code>
-        * @throws InvalidWorkflowException
-        *             if the specified workflow is invalid
-        */
-       public AbstractExecution(WorkflowBundle workflowBundle, Workflow 
workflow, Profile profile,
-                       Bundle dataBundle) {
-               this.workflowBundle = workflowBundle;
-               this.workflow = workflow;
-               this.profile = profile;
-               this.dataBundle = dataBundle;
-               ID = UUID.randomUUID().toString();
-               workflowReport = generateWorkflowReport(workflow);
-       }
-
-       protected abstract WorkflowReport createWorkflowReport(Workflow 
workflow);
-
-       protected abstract ProcessorReport createProcessorReport(Processor 
processor);
-
-       protected abstract ActivityReport createActivityReport(Activity 
activity);
-
-       public WorkflowReport generateWorkflowReport(Workflow workflow) {
-               WorkflowReport workflowReport = createWorkflowReport(workflow);
-               for (Processor processor : workflow.getProcessors()) {
-                       ProcessorReport processorReport = 
createProcessorReport(processor);
-                       processorReport.setParentReport(workflowReport);
-                       workflowReport.addProcessorReport(processorReport);
-                       for (ProcessorBinding processorBinding : 
scufl2Tools.processorBindingsForProcessor(
-                                       processor, profile)) {
-                               Activity boundActivity = 
processorBinding.getBoundActivity();
-                               ActivityReport activityReport = 
createActivityReport(boundActivity);
-                               activityReport.setParentReport(processorReport);
-                               if 
(scufl2Tools.containsNestedWorkflow(processor, profile)) {
-                                       Workflow nestedWorkflow = 
scufl2Tools.nestedWorkflowForProcessor(processor,
-                                                       profile);
-                                       WorkflowReport nestedWorkflowReport = 
generateWorkflowReport(nestedWorkflow);
-                                       
nestedWorkflowReport.setParentReport(activityReport);
-                                       
activityReport.setNestedWorkflowReport(nestedWorkflowReport);
-                               }
-                               
processorReport.addActivityReport(activityReport);
-                       }
-               }
-               return workflowReport;
-       }
-
-       @Override
-       public String getID() {
-               return ID;
-       }
-
-       @Override
-       public WorkflowBundle getWorkflowBundle() {
-               return workflowBundle;
-       }
-
-       @Override
-       public Bundle getDataBundle() {
-               return dataBundle;
-       }
-
-       @Override
-       public Workflow getWorkflow() {
-               return workflow;
-       }
-
-       @Override
-       public Profile getProfile() {
-               return profile;
-       }
-
-       @Override
-       public WorkflowReport getWorkflowReport() {
-               return workflowReport;
-       }
-
-}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/incubator-taverna-engine/blob/3ecb1291/taverna-execution-api/src/main/java/uk/org/taverna/platform/execution/api/AbstractExecutionEnvironment.java
----------------------------------------------------------------------
diff --git 
a/taverna-execution-api/src/main/java/uk/org/taverna/platform/execution/api/AbstractExecutionEnvironment.java
 
b/taverna-execution-api/src/main/java/uk/org/taverna/platform/execution/api/AbstractExecutionEnvironment.java
deleted file mode 100644
index a6475e5..0000000
--- 
a/taverna-execution-api/src/main/java/uk/org/taverna/platform/execution/api/AbstractExecutionEnvironment.java
+++ /dev/null
@@ -1,79 +0,0 @@
-/*******************************************************************************
- * Copyright (C) 2011 The University of Manchester
- *
- *  Modifications to the initial code base are copyright of their
- *  respective authors, or their employers as appropriate.
- *
- *  This program is free software; you can redistribute it and/or
- *  modify it under the terms of the GNU Lesser General Public License
- *  as published by the Free Software Foundation; either version 2.1 of
- *  the License, or (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful, but
- *  WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- *  Lesser General Public License for more details.
- *
- *  You should have received a copy of the GNU Lesser General Public
- *  License along with this program; if not, write to the Free Software
- *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
- 
******************************************************************************/
-package uk.org.taverna.platform.execution.api;
-
-import java.net.URI;
-
-/**
- * A common super type for concrete implementations of 
<code>ExecutionEnvironment</code>s.
- *
- * @author David Withers
- */
-public abstract class AbstractExecutionEnvironment implements 
ExecutionEnvironment {
-       private final String ID;
-       private final String name;
-       private final String description;
-       private final ExecutionService executionService;
-
-       public AbstractExecutionEnvironment(String ID, String name, String 
description,
-                       ExecutionService executionService) {
-               this.ID = ID;
-               this.name = name;
-               this.description = description;
-               this.executionService = executionService;
-       }
-
-       @Override
-       public String getID() {
-               return ID;
-       }
-
-       @Override
-       public String getName() {
-               return name;
-       }
-
-       @Override
-       public String getDescription() {
-               return description;
-       }
-
-       @Override
-       public ExecutionService getExecutionService() {
-               return executionService;
-       }
-
-       @Override
-       public String toString() {
-               StringBuilder sb = new StringBuilder();
-               sb.append(ID + "\n");
-               sb.append(name + "\n");
-               sb.append(description + "\n");
-               sb.append("Activities : \n");
-               for (URI uri : getActivityTypes())
-                       sb.append("  " + uri + "\n");
-               sb.append("Dispatch Layers : \n");
-               for (URI uri : getDispatchLayerTypes())
-                       sb.append("  " + uri + "\n");
-               return sb.toString();
-       }
-
-}

http://git-wip-us.apache.org/repos/asf/incubator-taverna-engine/blob/3ecb1291/taverna-execution-api/src/main/java/uk/org/taverna/platform/execution/api/AbstractExecutionService.java
----------------------------------------------------------------------
diff --git 
a/taverna-execution-api/src/main/java/uk/org/taverna/platform/execution/api/AbstractExecutionService.java
 
b/taverna-execution-api/src/main/java/uk/org/taverna/platform/execution/api/AbstractExecutionService.java
deleted file mode 100755
index f9357df..0000000
--- 
a/taverna-execution-api/src/main/java/uk/org/taverna/platform/execution/api/AbstractExecutionService.java
+++ /dev/null
@@ -1,139 +0,0 @@
-/*******************************************************************************
- * Copyright (C) 2010 The University of Manchester
- *
- *  Modifications to the initial code base are copyright of their
- *  respective authors, or their employers as appropriate.
- *
- *  This program is free software; you can redistribute it and/or
- *  modify it under the terms of the GNU Lesser General Public License
- *  as published by the Free Software Foundation; either version 2.1 of
- *  the License, or (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful, but
- *  WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- *  Lesser General Public License for more details.
- *
- *  You should have received a copy of the GNU Lesser General Public
- *  License along with this program; if not, write to the Free Software
- *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
- 
******************************************************************************/
-package uk.org.taverna.platform.execution.api;
-
-import java.util.Collections;
-import java.util.HashMap;
-import java.util.Map;
-
-import org.purl.wf4ever.robundle.Bundle;
-
-import uk.org.taverna.platform.report.WorkflowReport;
-import uk.org.taverna.scufl2.api.container.WorkflowBundle;
-import uk.org.taverna.scufl2.api.core.Workflow;
-import uk.org.taverna.scufl2.api.profiles.Profile;
-
-/**
- * A common super type for concrete implementations of 
<code>ExecutionService</code>s.
- *
- * @author David Withers
- */
-public abstract class AbstractExecutionService implements ExecutionService {
-       private final String ID;
-       private final String name;
-       private final String description;
-       private final Map<String, Execution> executionMap;
-
-       public AbstractExecutionService(String ID, String name, String 
description) {
-               this.ID = ID;
-               this.name = name;
-               this.description = description;
-               executionMap = Collections.synchronizedMap(new HashMap<String, 
Execution>());
-       }
-
-       @Override
-       public String getID() {
-               return ID;
-       }
-
-       @Override
-       public String getName() {
-               return name;
-       }
-
-       @Override
-       public String getDescription() {
-               return description;
-       }
-
-       @Override
-       public String createExecution(ExecutionEnvironment executionEnvironment,
-                       WorkflowBundle workflowBundle, Workflow workflow, 
Profile profile,
-                       Bundle dataBundle) throws InvalidWorkflowException {
-               Execution execution = createExecutionImpl(workflowBundle, 
workflow, profile, dataBundle);
-               executionMap.put(execution.getID(), execution);
-               return execution.getID();
-       }
-
-       /**
-        * Creates an implementation of an Execution.
-        *
-        * To be implemented by concrete implementations of 
<code>ExecutionService</code>.
-        *
-        * @param workflowBundle
-        *            the <code>WorkflowBundle</code> containing the 
<code>Workflow</code>s required for
-        *            execution
-        * @param workflow
-        *            the <code>Workflow</code> to execute
-        * @param profile
-        *            the <code>Profile</code> to use when executing the 
<code>Workflow</code>
-        * @param dataBundle
-        *            the <code>Bundle</code> containing the data values for 
the <code>Workflow</code>
-        * @return a new Execution implementation
-        * @throws InvalidWorkflowException
-        *             if the specified workflow is invalid
-        */
-       protected abstract Execution createExecutionImpl(
-                       WorkflowBundle workflowBundle, Workflow workflow, 
Profile profile,
-                       Bundle dataBundle) throws InvalidWorkflowException;
-
-       @Override
-       public WorkflowReport getWorkflowReport(String executionID)
-                       throws InvalidExecutionIdException {
-               return getExecution(executionID).getWorkflowReport();
-       }
-
-       @Override
-       public void delete(String executionID) throws 
InvalidExecutionIdException {
-               getExecution(executionID).delete();
-               executionMap.remove(executionID);
-       }
-
-       @Override
-       public void start(String executionID) throws 
InvalidExecutionIdException {
-               getExecution(executionID).start();
-       }
-
-       @Override
-       public void pause(String executionID) throws 
InvalidExecutionIdException {
-               getExecution(executionID).pause();
-       }
-
-       @Override
-       public void resume(String executionID) throws 
InvalidExecutionIdException {
-               getExecution(executionID).resume();
-       }
-
-       @Override
-       public void cancel(String executionID) throws 
InvalidExecutionIdException {
-               getExecution(executionID).cancel();
-       }
-
-       protected Execution getExecution(String executionID)
-                       throws InvalidExecutionIdException {
-               Execution execution = executionMap.get(executionID);
-               if (execution == null)
-                       throw new InvalidExecutionIdException("Execution ID " + 
executionID
-                                       + " is not valid");
-               return execution;
-       }
-
-}

http://git-wip-us.apache.org/repos/asf/incubator-taverna-engine/blob/3ecb1291/taverna-execution-api/src/main/java/uk/org/taverna/platform/execution/api/Execution.java
----------------------------------------------------------------------
diff --git 
a/taverna-execution-api/src/main/java/uk/org/taverna/platform/execution/api/Execution.java
 
b/taverna-execution-api/src/main/java/uk/org/taverna/platform/execution/api/Execution.java
deleted file mode 100644
index 28a982d..0000000
--- 
a/taverna-execution-api/src/main/java/uk/org/taverna/platform/execution/api/Execution.java
+++ /dev/null
@@ -1,104 +0,0 @@
-/*******************************************************************************
- * Copyright (C) 2010 The University of Manchester
- *
- *  Modifications to the initial code base are copyright of their
- *  respective authors, or their employers as appropriate.
- *
- *  This program is free software; you can redistribute it and/or
- *  modify it under the terms of the GNU Lesser General Public License
- *  as published by the Free Software Foundation; either version 2.1 of
- *  the License, or (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful, but
- *  WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- *  Lesser General Public License for more details.
- *
- *  You should have received a copy of the GNU Lesser General Public
- *  License along with this program; if not, write to the Free Software
- *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
- 
******************************************************************************/
-package uk.org.taverna.platform.execution.api;
-
-import org.purl.wf4ever.robundle.Bundle;
-
-import uk.org.taverna.platform.report.WorkflowReport;
-import uk.org.taverna.scufl2.api.container.WorkflowBundle;
-import uk.org.taverna.scufl2.api.core.Workflow;
-import uk.org.taverna.scufl2.api.profiles.Profile;
-
-/**
- * Interface for a single execution of a Taverna workflow.
- *
- * @author David Withers
- */
-public interface Execution {
-
-       /**
-        * Returns the identifier for this execution.
-        *
-        * @return the identifier for this execution
-        */
-       public abstract String getID();
-
-       /**
-        * Returns the <code>WorkflowBundle</code> containing the 
<code>Workflow</code>s required for execution.
-        *
-        * @return the <code>WorkflowBundle</code> containing the 
<code>Workflow</code>s required for execution
-        */
-       public abstract WorkflowBundle getWorkflowBundle();
-
-       /**
-        * Returns the <code>Bundle</code> containing the data values for the 
<code>Workflow</code>.
-        *
-        * @return the <code>Bundle</code> containing the data values for the 
<code>Workflow</code>
-        */
-       public abstract Bundle getDataBundle();
-
-       /**
-        * Returns the <code>Workflow</code> to execute.
-        *
-        * @return the <code>Workflow</code> to execute
-        */
-       public abstract Workflow getWorkflow();
-
-       /**
-        * Returns the <code>Profile</code> to use when executing the 
<code>Workflow</code>.
-        *
-        * @return the <code>Profile</code> to use when executing the 
<code>Workflow</code>
-        */
-       public abstract Profile getProfile();
-
-       /**
-        * Returns the <code>WorkflowReport</code> for the execution.
-        *
-        * @return the <code>WorkflowReport</code> for the execution
-        */
-       public abstract WorkflowReport getWorkflowReport();
-
-       /**
-        * Deletes the execution.
-        */
-       public abstract void delete();
-
-       /**
-        * Starts the execution.
-        */
-       public abstract void start();
-
-       /**
-        * Pauses the execution.
-        */
-       public abstract void pause();
-
-       /**
-        * Resumes a paused execution.
-        */
-       public abstract void resume();
-
-       /**
-        * Cancels the execution.
-        */
-       public abstract void cancel();
-
-}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/incubator-taverna-engine/blob/3ecb1291/taverna-execution-api/src/main/java/uk/org/taverna/platform/execution/api/ExecutionEnvironment.java
----------------------------------------------------------------------
diff --git 
a/taverna-execution-api/src/main/java/uk/org/taverna/platform/execution/api/ExecutionEnvironment.java
 
b/taverna-execution-api/src/main/java/uk/org/taverna/platform/execution/api/ExecutionEnvironment.java
deleted file mode 100644
index 0408308..0000000
--- 
a/taverna-execution-api/src/main/java/uk/org/taverna/platform/execution/api/ExecutionEnvironment.java
+++ /dev/null
@@ -1,129 +0,0 @@
-/*******************************************************************************
- * Copyright (C) 2011 The University of Manchester
- *
- *  Modifications to the initial code base are copyright of their
- *  respective authors, or their employers as appropriate.
- *
- *  This program is free software; you can redistribute it and/or
- *  modify it under the terms of the GNU Lesser General Public License
- *  as published by the Free Software Foundation; either version 2.1 of
- *  the License, or (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful, but
- *  WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- *  Lesser General Public License for more details.
- *
- *  You should have received a copy of the GNU Lesser General Public
- *  License along with this program; if not, write to the Free Software
- *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
- 
******************************************************************************/
-package uk.org.taverna.platform.execution.api;
-
-import java.net.URI;
-import java.util.Set;
-
-import uk.org.taverna.platform.capability.api.ActivityConfigurationException;
-import uk.org.taverna.platform.capability.api.ActivityNotFoundException;
-import 
uk.org.taverna.platform.capability.api.DispatchLayerConfigurationException;
-import uk.org.taverna.platform.capability.api.DispatchLayerNotFoundException;
-
-import com.fasterxml.jackson.databind.JsonNode;
-
-/**
- * The ExecutionEnvironment specifies the capabilities of a workflow execution 
environment.
- *
- * @author David Withers
- */
-public interface ExecutionEnvironment {
-
-       /**
-        * Returns the identifier for this ExecutionEnvironment.
-        *
-        * @return the identifier for this ExecutionEnvironment
-        */
-       public String getID();
-
-       /**
-        * Returns the name of this ExecutionEnvironment.
-        *
-        * @return the name of this ExecutionEnvironment
-        */
-       public String getName();
-
-       /**
-        * Returns a description of this ExecutionEnvironment.
-        *
-        * @return a description of this ExecutionEnvironment
-        */
-       public String getDescription();
-
-       /**
-        * Returns the ExecutionService that provides this ExecutionEnvironment.
-        *
-        * @return the ExecutionService that provides this ExecutionEnvironment
-        */
-       public ExecutionService getExecutionService();
-
-       /**
-        * Returns the activity types available in this ExecutionEnvironment.
-        *
-        * @return the activity types available in this ExecutionEnvironment
-        */
-       public Set<URI> getActivityTypes();
-
-       /**
-        * Returns true iff an activity exists for the specified URI in this 
ExecutionEnvironment.
-        *
-        * @param uri
-        *            the activity URI to check
-        * @return true if an activity exists for the specified URI in this 
ExecutionEnvironment
-        */
-       public boolean activityExists(URI uri);
-
-       /**
-        * Returns a JSON Schema for the configuration required by an activity.
-        *
-        * @param uri
-        *            a URI that identifies an activity
-        * @return a JSON Schema for the configuration required by an activity
-        * @throws ActivityNotFoundException
-        *             if an activity cannot be found for the specified URI
-        * @throws ActivityConfigurationException
-        *             if the ConfigurationDefinition cannot be created
-        */
-       public JsonNode getActivityConfigurationSchema(URI uri)
-                       throws ActivityNotFoundException, 
ActivityConfigurationException;
-
-       /**
-        * Returns the dispatch layer types available in this 
ExecutionEnvironment.
-        *
-        * @return the dispatch layer types available in this 
ExecutionEnvironment
-        */
-       public Set<URI> getDispatchLayerTypes();
-
-       /**
-        * Returns true iff a dispatch layer exists for the specified URI in 
this ExecutionEnvironment.
-        *
-        * @param uri
-        *            the dispatch layer URI to check
-        * @return true if a dispatch layer exists for the specified URI in 
this ExecutionEnvironment
-        */
-       public boolean dispatchLayerExists(URI uri);
-
-       /**
-        * Returns a JSON Schema for the configuration required by a dispatch 
layer.
-        *
-        * @param uri
-        *            a URI that identifies a dispatch layer
-        * @return
-        * @return a JSON Schema for the configuration required by a dispatch 
layer
-        * @throws DispatchLayerNotFoundException
-        *             if a dispatch layer cannot be found for the specified URI
-        * @throws DispatchLayerConfigurationException
-        *             if the ConfigurationDefinition cannot be created
-        */
-       public JsonNode getDispatchLayerConfigurationSchema(URI uri)
-                       throws DispatchLayerNotFoundException, 
DispatchLayerConfigurationException;
-
-}

http://git-wip-us.apache.org/repos/asf/incubator-taverna-engine/blob/3ecb1291/taverna-execution-api/src/main/java/uk/org/taverna/platform/execution/api/ExecutionEnvironmentService.java
----------------------------------------------------------------------
diff --git 
a/taverna-execution-api/src/main/java/uk/org/taverna/platform/execution/api/ExecutionEnvironmentService.java
 
b/taverna-execution-api/src/main/java/uk/org/taverna/platform/execution/api/ExecutionEnvironmentService.java
deleted file mode 100644
index 5559069..0000000
--- 
a/taverna-execution-api/src/main/java/uk/org/taverna/platform/execution/api/ExecutionEnvironmentService.java
+++ /dev/null
@@ -1,52 +0,0 @@
-/*******************************************************************************
- * Copyright (C) 2011 The University of Manchester
- *
- *  Modifications to the initial code base are copyright of their
- *  respective authors, or their employers as appropriate.
- *
- *  This program is free software; you can redistribute it and/or
- *  modify it under the terms of the GNU Lesser General Public License
- *  as published by the Free Software Foundation; either version 2.1 of
- *  the License, or (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful, but
- *  WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- *  Lesser General Public License for more details.
- *
- *  You should have received a copy of the GNU Lesser General Public
- *  License along with this program; if not, write to the Free Software
- *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
- 
******************************************************************************/
-package uk.org.taverna.platform.execution.api;
-
-import java.util.Set;
-
-import uk.org.taverna.scufl2.api.profiles.Profile;
-
-/**
- * Service for finding <code>ExecutionEnvironment</code>s.
- *
- * @author David Withers
- */
-public interface ExecutionEnvironmentService {
-
-       /**
-        * Returns the available <code>ExecutionEnvironment</code>s.
-        *
-        * @return the available <code>ExecutionEnvironment</code>s
-        */
-       public Set<ExecutionEnvironment> getExecutionEnvironments();
-
-       /**
-        * Returns the <code>ExecutionEnvironment</code>s that can execute the 
specified
-        * <code>Profile</code>.
-        *
-        * @param profile
-        *            the <code>Profile</code> to find 
<code>ExecutionEnvironment</code>s for
-        * @return the <code>ExecutionEnvironment</code>s that can execute a 
workflow with the specified
-        *         <code>Profile</code>
-        */
-       public Set<ExecutionEnvironment> getExecutionEnvironments(Profile 
profile);
-
-}

http://git-wip-us.apache.org/repos/asf/incubator-taverna-engine/blob/3ecb1291/taverna-execution-api/src/main/java/uk/org/taverna/platform/execution/api/ExecutionService.java
----------------------------------------------------------------------
diff --git 
a/taverna-execution-api/src/main/java/uk/org/taverna/platform/execution/api/ExecutionService.java
 
b/taverna-execution-api/src/main/java/uk/org/taverna/platform/execution/api/ExecutionService.java
deleted file mode 100755
index 2ae7067..0000000
--- 
a/taverna-execution-api/src/main/java/uk/org/taverna/platform/execution/api/ExecutionService.java
+++ /dev/null
@@ -1,149 +0,0 @@
-/*******************************************************************************
- * Copyright (C) 2010 The University of Manchester
- *
- *  Modifications to the initial code base are copyright of their
- *  respective authors, or their employers as appropriate.
- *
- *  This program is free software; you can redistribute it and/or
- *  modify it under the terms of the GNU Lesser General Public License
- *  as published by the Free Software Foundation; either version 2.1 of
- *  the License, or (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful, but
- *  WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- *  Lesser General Public License for more details.
- *
- *  You should have received a copy of the GNU Lesser General Public
- *  License along with this program; if not, write to the Free Software
- *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
- 
******************************************************************************/
-package uk.org.taverna.platform.execution.api;
-
-import java.util.Set;
-
-import org.purl.wf4ever.robundle.Bundle;
-
-import uk.org.taverna.platform.report.WorkflowReport;
-import uk.org.taverna.scufl2.api.container.WorkflowBundle;
-import uk.org.taverna.scufl2.api.core.Workflow;
-import uk.org.taverna.scufl2.api.profiles.Profile;
-
-/**
- * Service for executing Taverna workflows. There may be several 
<code>ExecutionService</code>s
- * available that offer different execution environments, e.g. one 
<code>ExecutionService</code> may
- * execute workflows on a remote server while another executes workflows on 
the local machine.
- *
- * @author David Withers
- */
-public interface ExecutionService {
-
-       /**
-        * Returns the identifier for this ExecutionService.
-        *
-        * @return the identifier for this ExecutionService
-        */
-       public String getID();
-
-       /**
-        * Returns the name of this ExecutionService.
-        *
-        * @return the name of this ExecutionService
-        */
-       public String getName();
-
-       /**
-        * Returns a description of this ExecutionService.
-        *
-        * @return a description of this ExecutionService
-        */
-       public String getDescription();
-
-       /**
-        * Returns the ExecutionEnvironments available for this 
ExecutionService.
-        *
-        * @return the ExecutionEnvironments available for this ExecutionService
-        */
-       public Set<ExecutionEnvironment> getExecutionEnvironments();
-
-       /**
-        * Creates a workflow execution and returns its ID.
-        *
-        * @param executionEnvironment
-        *            the {@link ExecutionEnvironment} used to execute the
-        *            <code>Workflow</code>
-        * @param workflowBundle
-        *            the <code>WorkflowBundle</code> containing the workflows 
required for execution
-        * @param workflow
-        *            the workflow to execute
-        * @param profile
-        *            the profile to use when executing the workflow
-        * @param dataBundle
-        *            the <code>Bundle</code> containing the data values for 
the <code>Workflow</code>
-        * @return the ID of the created workflow execution
-        * @throws InvalidWorkflowException
-        */
-       public String createExecution(ExecutionEnvironment 
executionEnvironment, WorkflowBundle workflowBundle, Workflow workflow, Profile 
profile,
-                       Bundle dataBundle)
-                       throws InvalidWorkflowException;
-
-       /**
-        * Returns the workflow report for the specified execution.
-        *
-        * @param executionID
-        *            the ID of the execution
-        * @return the workflow report for this execution
-        */
-       public WorkflowReport getWorkflowReport(String executionID) throws 
InvalidExecutionIdException;
-
-       /**
-        * Deletes the execution of a workflow.
-        *
-        * @param executionID
-        *            the ID of the execution to delete
-        * @throws InvalidExecutionIdException
-        *             if the execution ID is not valid
-        */
-       public void delete(String executionID) throws 
InvalidExecutionIdException;
-
-       /**
-        * Starts the execution of a workflow.
-        *
-        * @param executionID
-        *            the ID of the execution to start
-        * @throws InvalidExecutionIdException
-        *             if the execution ID is not valid
-        */
-       public void start(String executionID) throws 
InvalidExecutionIdException;
-
-       /**
-        * Pauses the execution of a workflow.
-        *
-        * @param executionID
-        *            the ID of the execution to pause
-        * @throws InvalidExecutionIdException
-        *             if the execution ID is not valid
-        */
-       public void pause(String executionID) throws 
InvalidExecutionIdException;
-
-       /**
-        * Resumes the execution of a paused workflow.
-        *
-        * @param executionID
-        *            the ID of the execution to resume
-        * @throws InvalidExecutionIdException
-        *             if the execution ID is not valid
-        */
-       public void resume(String executionID) throws 
InvalidExecutionIdException;
-
-       /**
-        * Cancels the execution of a workflow.
-        *
-        * @param executionID
-        *            the ID of the execution to cancel
-        * @throws InvalidExecutionIdException
-        *             if the execution ID is not valid
-        */
-       public void cancel(String executionID) throws 
InvalidExecutionIdException;
-
-}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/incubator-taverna-engine/blob/3ecb1291/taverna-execution-api/src/main/java/uk/org/taverna/platform/execution/api/InvalidExecutionIdException.java
----------------------------------------------------------------------
diff --git 
a/taverna-execution-api/src/main/java/uk/org/taverna/platform/execution/api/InvalidExecutionIdException.java
 
b/taverna-execution-api/src/main/java/uk/org/taverna/platform/execution/api/InvalidExecutionIdException.java
deleted file mode 100644
index 9cb8ef2..0000000
--- 
a/taverna-execution-api/src/main/java/uk/org/taverna/platform/execution/api/InvalidExecutionIdException.java
+++ /dev/null
@@ -1,48 +0,0 @@
-/*******************************************************************************
- * Copyright (C) 2010 The University of Manchester   
- * 
- *  Modifications to the initial code base are copyright of their
- *  respective authors, or their employers as appropriate.
- * 
- *  This program is free software; you can redistribute it and/or
- *  modify it under the terms of the GNU Lesser General Public License
- *  as published by the Free Software Foundation; either version 2.1 of
- *  the License, or (at your option) any later version.
- *    
- *  This program is distributed in the hope that it will be useful, but
- *  WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- *  Lesser General Public License for more details.
- *    
- *  You should have received a copy of the GNU Lesser General Public
- *  License along with this program; if not, write to the Free Software
- *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
- 
******************************************************************************/
-package uk.org.taverna.platform.execution.api;
-
-/**
- * Thrown when an executionID is not valid for an ExecutionService.
- * 
- * @author David Withers
- */
-public class InvalidExecutionIdException extends Exception {
-
-       private static final long serialVersionUID = 4086661335641172903L;
-
-       public InvalidExecutionIdException() {
-       super();
-    }
-
-    public InvalidExecutionIdException(String message) {
-       super(message);
-    }
-
-    public InvalidExecutionIdException(String message, Throwable cause) {
-       super(message, cause);
-    }
-
-    public InvalidExecutionIdException(Throwable cause) {
-       super(cause);
-    }
-    
-}

http://git-wip-us.apache.org/repos/asf/incubator-taverna-engine/blob/3ecb1291/taverna-execution-api/src/main/java/uk/org/taverna/platform/execution/api/InvalidWorkflowException.java
----------------------------------------------------------------------
diff --git 
a/taverna-execution-api/src/main/java/uk/org/taverna/platform/execution/api/InvalidWorkflowException.java
 
b/taverna-execution-api/src/main/java/uk/org/taverna/platform/execution/api/InvalidWorkflowException.java
deleted file mode 100644
index b0cc3fa..0000000
--- 
a/taverna-execution-api/src/main/java/uk/org/taverna/platform/execution/api/InvalidWorkflowException.java
+++ /dev/null
@@ -1,48 +0,0 @@
-/*******************************************************************************
- * Copyright (C) 2010 The University of Manchester   
- * 
- *  Modifications to the initial code base are copyright of their
- *  respective authors, or their employers as appropriate.
- * 
- *  This program is free software; you can redistribute it and/or
- *  modify it under the terms of the GNU Lesser General Public License
- *  as published by the Free Software Foundation; either version 2.1 of
- *  the License, or (at your option) any later version.
- *    
- *  This program is distributed in the hope that it will be useful, but
- *  WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- *  Lesser General Public License for more details.
- *    
- *  You should have received a copy of the GNU Lesser General Public
- *  License along with this program; if not, write to the Free Software
- *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
- 
******************************************************************************/
-package uk.org.taverna.platform.execution.api;
-
-/**
- * Thrown when a Workflow fails to validate.
- * 
- * @author David Withers
- */
-public class InvalidWorkflowException extends Exception {
-
-       private static final long serialVersionUID = 7491175798204912590L;
-
-       public InvalidWorkflowException() {
-               super();
-       }
-
-       public InvalidWorkflowException(String message, Throwable cause) {
-               super(message, cause);
-       }
-
-       public InvalidWorkflowException(String message) {
-               super(message);
-       }
-
-       public InvalidWorkflowException(Throwable cause) {
-               super(cause);
-       }
-
-}

http://git-wip-us.apache.org/repos/asf/incubator-taverna-engine/blob/3ecb1291/taverna-execution-api/src/main/java/uk/org/taverna/platform/execution/api/WorkflowCompiler.java
----------------------------------------------------------------------
diff --git 
a/taverna-execution-api/src/main/java/uk/org/taverna/platform/execution/api/WorkflowCompiler.java
 
b/taverna-execution-api/src/main/java/uk/org/taverna/platform/execution/api/WorkflowCompiler.java
deleted file mode 100644
index 70b8fcd..0000000
--- 
a/taverna-execution-api/src/main/java/uk/org/taverna/platform/execution/api/WorkflowCompiler.java
+++ /dev/null
@@ -1,36 +0,0 @@
-package uk.org.taverna.platform.execution.api;
-
-import net.sf.taverna.t2.workflowmodel.Dataflow;
-import uk.org.taverna.scufl2.api.container.WorkflowBundle;
-import uk.org.taverna.scufl2.api.core.Workflow;
-
-/**
- * A workflow compilation service converts a workflow (in a
- * {@link WorkflowBundle}) into a dataflow. Most code should ignore this.
- * 
- * @author Donal Fellows
- */
-public interface WorkflowCompiler {
-       /**
-        * Convert a workflow into a dataflow. May cache.
-        * 
-        * @param workflow
-        *            the workflow to convert; must not be <tt>null</tt>
-        * @return the dataflow, which should not be modified.
-        * @throws InvalidWorkflowException
-        *             If the compilation fails.
-        */
-       Dataflow getDataflow(Workflow workflow) throws InvalidWorkflowException;
-       
-       /**
-        * Convert a workflow bundle into a dataflow. May cache. Only the the
-        * primary workflow is guaranteed to be converted.
-        * 
-        * @param bundle
-        *            the workflow bundle to convert; must not be <tt>null</tt>
-        * @return the dataflow, which should not be modified.
-        * @throws InvalidWorkflowException
-        *             If the compilation fails.
-        */
-       Dataflow getDataflow(WorkflowBundle bundle) throws 
InvalidWorkflowException;
-}

http://git-wip-us.apache.org/repos/asf/incubator-taverna-engine/blob/3ecb1291/taverna-execution-api/src/test/java/uk/org/taverna/platform/execution/api/AbstractExecutionTest.java
----------------------------------------------------------------------
diff --git 
a/taverna-execution-api/src/test/java/uk/org/taverna/platform/execution/api/AbstractExecutionTest.java
 
b/taverna-execution-api/src/test/java/uk/org/taverna/platform/execution/api/AbstractExecutionTest.java
deleted file mode 100644
index 635527e..0000000
--- 
a/taverna-execution-api/src/test/java/uk/org/taverna/platform/execution/api/AbstractExecutionTest.java
+++ /dev/null
@@ -1,128 +0,0 @@
-/*******************************************************************************
- * Copyright (C) 2010 The University of Manchester
- *
- *  Modifications to the initial code base are copyright of their
- *  respective authors, or their employers as appropriate.
- *
- *  This program is free software; you can redistribute it and/or
- *  modify it under the terms of the GNU Lesser General Public License
- *  as published by the Free Software Foundation; either version 2.1 of
- *  the License, or (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful, but
- *  WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- *  Lesser General Public License for more details.
- *
- *  You should have received a copy of the GNU Lesser General Public
- *  License along with this program; if not, write to the Free Software
- *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
- 
******************************************************************************/
-package uk.org.taverna.platform.execution.api;
-
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertNotNull;
-
-import org.junit.Before;
-import org.junit.Ignore;
-import org.junit.Test;
-import org.purl.wf4ever.robundle.Bundle;
-
-import uk.org.taverna.databundle.DataBundles;
-import uk.org.taverna.platform.report.ActivityReport;
-import uk.org.taverna.platform.report.ProcessorReport;
-import uk.org.taverna.platform.report.WorkflowReport;
-import uk.org.taverna.scufl2.api.activity.Activity;
-import uk.org.taverna.scufl2.api.container.WorkflowBundle;
-import uk.org.taverna.scufl2.api.core.Processor;
-import uk.org.taverna.scufl2.api.core.Workflow;
-import uk.org.taverna.scufl2.api.profiles.Profile;
-
-/**
- * @author David Withers
- */
-@Ignore
-public class AbstractExecutionTest {
-       private WorkflowBundle workflowBundle;
-       private Execution execution;
-       private Workflow workflow;
-       private Profile profile;
-       private Bundle dataBundle;
-
-       /**
-        * @throws java.lang.Exception
-        */
-       @Before
-       public void setUp() throws Exception {
-               workflowBundle = new WorkflowBundle();
-               workflow = new Workflow();
-               profile = new Profile();
-               dataBundle = DataBundles.createBundle();
-               execution = new AbstractExecution(workflowBundle, workflow, 
profile, dataBundle) {
-                       @Override
-                       public void start() {}
-                       @Override
-                       public void resume() {}
-                       @Override
-                       public void pause() {}
-                       @Override
-                       public void cancel() {}
-                       @Override
-                       public void delete() {}
-                       @Override
-                       protected WorkflowReport createWorkflowReport(Workflow 
workflow) {
-                               return new WorkflowReport(workflow) {
-                               };
-                       }
-                       @Override
-                       public ProcessorReport createProcessorReport(Processor 
processor) {
-                               return null;
-                       }
-                       @Override
-                       public ActivityReport createActivityReport(Activity 
activity) {
-                               return null;
-                       }
-               };
-       }
-
-       /**
-        * Test method for {@link 
uk.org.taverna.platform.execution.api.AbstractExecution#getID()}.
-        */
-       @Test
-       public void testGetID() {
-               assertNotNull(execution.getID());
-               assertEquals(execution.getID(), execution.getID());
-       }
-
-       /**
-        * Test method for {@link 
uk.org.taverna.platform.execution.api.AbstractExecution#getWorkflowBundle()}.
-        */
-       @Test
-       public void testGetWorkflowBundle() {
-               assertEquals(workflowBundle, execution.getWorkflowBundle());
-       }
-
-       /**
-        * Test method for {@link 
uk.org.taverna.platform.execution.api.AbstractExecution#getWorkflow()}.
-        */
-       @Test
-       public void testGetWorkflow() {
-               assertEquals(workflow, execution.getWorkflow());
-       }
-
-       /**
-        * Test method for {@link 
uk.org.taverna.platform.execution.api.AbstractExecution#getInputs()}.
-        */
-       @Test
-       public void testGetInputs() {
-               assertEquals(dataBundle, execution.getDataBundle());
-       }
-
-       /**
-        * Test method for {@link 
uk.org.taverna.platform.execution.api.AbstractExecution#getWorkflowReport()}.
-        */
-       @Test
-       public void testGetWorkflowReport() {
-               assertNotNull(execution.getWorkflowReport());
-       }
-}

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