Dear Taverna 2 user/developer,
I have attached a little workflow that produces an empty lists in three
ways: an empty list in the middle of a list of lists, a single (empty)
list, and an empty list at the end of a list. The output of this
workflow in the results perspective is as follows.
Empty list in the middle is shown as 'waiting for data'.
Empty list: nothing
Empty list at end: nothing (after the list that has items).
The list sizes suggest that internally empty lists are never lost and I
assume remain a genuine part of a list. This seems very properly done to
me, but couldn't the output of the worklow reflect this in the results
perspective? The apparent discrepancy is a bit confusing for me now.
I think this is important for workflows that process the results of
services that may produce empty sublists (one such service is an
essential in one of my workflows).
Many thanks!
Marco.
PS
It would be a great feature if I could clone or copy a beanshell for
creating a workflow such as the one attached.
--
Marco Roos
Faculty of Science
University of Amsterdam
Kruislaan 403, room F1.02
1098 SJ Amsterdam
tel. +31 (0) 20 525 7522
http://home.medewerker.uva.nl/m.roos1 (includes links to social networks)
Note the change of e-mail address to [email protected]
<workflow xmlns="http://taverna.sf.net/2008/xml/t2flow"; version="1"><dataflow
id="ab1dbebc-4f23-4c7b-bafd-9b88af860466"
role="top"><name>dataflow7</name><inputPorts
/><outputPorts><port><name>emptyinmiddle</name></port><port><name>listsize</name></port><port><name>emptylistsize</name></port><port><name>emptylist</name></port><port><name>emptyatend</name></port><port><name>listsize3</name></port></outputPorts><processors><processor><name>CreateEmptyListInList</name><inputPorts
/><outputPorts><port><name>output2deep</name><depth>2</depth><granularDepth>2</granularDepth></port></outputPorts><annotations
/><activities><activity><raven><group>net.sf.taverna.t2.activities</group><artifact>beanshell-activity</artifact><version>0.4</version></raven><class>net.sf.taverna.t2.activities.beanshell.BeanshellActivity</class><inputMap
/><outputMap><map from="output2deep" to="output2deep"
/></outputMap><configBean
encoding="xstream"><net.sf.taverna.t2.activities.beanshell.BeanshellActivityConfigurationBean
xmlns="">
<script>import java.util.*;
ArrayList list2deep = new ArrayList();
ArrayList list1deep1 = new ArrayList();
ArrayList emptylist = new ArrayList();
ArrayList list1deep2 = new ArrayList();
list1deep1.add("item1");
list1deep1.add("item2");
list2deep.add(list1deep1);
list2deep.add(emptylist);
list1deep2.add("item3");
list2deep.add(list1deep2);
output2deep=list2deep;
</script>
<dependencies />
<classLoaderSharing>workflow</classLoaderSharing>
<localDependencies />
<artifactDependencies />
<inputs />
<outputs>
<net.sf.taverna.t2.workflowmodel.processor.activity.config.ActivityOutputPortDefinitionBean>
<granularDepth>2</granularDepth>
<name>output2deep</name>
<depth>2</depth>
<mimeTypes>
<string>text/plain</string>
</mimeTypes>
</net.sf.taverna.t2.workflowmodel.processor.activity.config.ActivityOutputPortDefinitionBean>
</outputs>
</net.sf.taverna.t2.activities.beanshell.BeanshellActivityConfigurationBean></configBean><annotations
/></activity></activities><dispatchStack><dispatchLayer><raven><group>net.sf.taverna.t2</group><artifact>workflowmodel-impl</artifact><version>0.4</version></raven><class>net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.Parallelize</class><configBean
encoding="xstream"><net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.ParallelizeConfig
xmlns="">
<maxJobs>1</maxJobs>
</net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.ParallelizeConfig></configBean></dispatchLayer><dispatchLayer><raven><group>net.sf.taverna.t2</group><artifact>workflowmodel-impl</artifact><version>0.4</version></raven><class>net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.ErrorBounce</class><configBean
encoding="xstream"><null xmlns=""
/></configBean></dispatchLayer><dispatchLayer><raven><group>net.sf.taverna.t2</group><artifact>workflowmodel-impl</artifact><version>0.4</version></raven><class>net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.Failover</class><configBean
encoding="xstream"><null xmlns=""
/></configBean></dispatchLayer><dispatchLayer><raven><group>net.sf.taverna.t2</group><artifact>workflowmodel-impl</artifact><version>0.4</version></raven><class>net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.Retry</class><configBean
encoding="xstream"><net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.RetryConfig
xmlns="">
<backoffFactor>1.0</backoffFactor>
<initialDelay>1000</initialDelay>
<maxDelay>5000</maxDelay>
<maxRetries>0</maxRetries>
</net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.RetryConfig></configBean></dispatchLayer><dispatchLayer><raven><group>net.sf.taverna.t2</group><artifact>workflowmodel-impl</artifact><version>0.4</version></raven><class>net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.Invoke</class><configBean
encoding="xstream"><null xmlns=""
/></configBean></dispatchLayer></dispatchStack><iterationStrategyStack><iteration><strategy
/></iteration></iterationStrategyStack></processor><processor><name>ListSize</name><inputPorts><port><name>inputlist</name><depth>1</depth></port></inputPorts><outputPorts><port><name>listsize</name><depth>0</depth><granularDepth>0</granularDepth></port></outputPorts><annotations
/><activities><activity><raven><group>net.sf.taverna.t2.activities</group><artifact>beanshell-activity</artifact><version>0.4</version></raven><class>net.sf.taverna.t2.activities.beanshell.BeanshellActivity</class><inputMap><map
from="inputlist" to="inputlist" /></inputMap><outputMap><map from="listsize"
to="listsize" /></outputMap><configBean
encoding="xstream"><net.sf.taverna.t2.activities.beanshell.BeanshellActivityConfigurationBean
xmlns="">
<script>import java.util.*;
listsize = inputlist.size();</script>
<dependencies />
<classLoaderSharing>workflow</classLoaderSharing>
<localDependencies />
<artifactDependencies />
<inputs>
<net.sf.taverna.t2.workflowmodel.processor.activity.config.ActivityInputPortDefinitionBean>
<handledReferenceSchemes />
<translatedElementType>java.lang.String</translatedElementType>
<allowsLiteralValues>true</allowsLiteralValues>
<name>inputlist</name>
<depth>1</depth>
<mimeTypes>
<string>text/plain</string>
</mimeTypes>
</net.sf.taverna.t2.workflowmodel.processor.activity.config.ActivityInputPortDefinitionBean>
</inputs>
<outputs>
<net.sf.taverna.t2.workflowmodel.processor.activity.config.ActivityOutputPortDefinitionBean>
<granularDepth>0</granularDepth>
<name>listsize</name>
<depth>0</depth>
<mimeTypes>
<string>text/plain</string>
</mimeTypes>
</net.sf.taverna.t2.workflowmodel.processor.activity.config.ActivityOutputPortDefinitionBean>
</outputs>
</net.sf.taverna.t2.activities.beanshell.BeanshellActivityConfigurationBean></configBean><annotations
/></activity></activities><dispatchStack><dispatchLayer><raven><group>net.sf.taverna.t2</group><artifact>workflowmodel-impl</artifact><version>0.4</version></raven><class>net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.Parallelize</class><configBean
encoding="xstream"><net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.ParallelizeConfig
xmlns="">
<maxJobs>1</maxJobs>
</net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.ParallelizeConfig></configBean></dispatchLayer><dispatchLayer><raven><group>net.sf.taverna.t2</group><artifact>workflowmodel-impl</artifact><version>0.4</version></raven><class>net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.ErrorBounce</class><configBean
encoding="xstream"><null xmlns=""
/></configBean></dispatchLayer><dispatchLayer><raven><group>net.sf.taverna.t2</group><artifact>workflowmodel-impl</artifact><version>0.4</version></raven><class>net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.Failover</class><configBean
encoding="xstream"><null xmlns=""
/></configBean></dispatchLayer><dispatchLayer><raven><group>net.sf.taverna.t2</group><artifact>workflowmodel-impl</artifact><version>0.4</version></raven><class>net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.Retry</class><configBean
encoding="xstream"><net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.RetryConfig
xmlns="">
<backoffFactor>1.0</backoffFactor>
<initialDelay>1000</initialDelay>
<maxDelay>5000</maxDelay>
<maxRetries>0</maxRetries>
</net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.RetryConfig></configBean></dispatchLayer><dispatchLayer><raven><group>net.sf.taverna.t2</group><artifact>workflowmodel-impl</artifact><version>0.4</version></raven><class>net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.Invoke</class><configBean
encoding="xstream"><null xmlns=""
/></configBean></dispatchLayer></dispatchStack><iterationStrategyStack><iteration><strategy><cross><port
name="inputlist" depth="1"
/></cross></strategy></iteration></iterationStrategyStack></processor><processor><name>CreateEmptyList</name><inputPorts
/><outputPorts><port><name>emptyList</name><depth>1</depth><granularDepth>1</granularDepth></port></outputPorts><annotations
/><activities><activity><raven><group>net.sf.taverna.t2.activities</group><artifact>beanshell-activity</artifact><version>0.4</version></raven><class>net.sf.taverna.t2.activities.beanshell.BeanshellActivity</class><inputMap
/><outputMap><map from="emptyList" to="emptyList" /></outputMap><configBean
encoding="xstream"><net.sf.taverna.t2.activities.beanshell.BeanshellActivityConfigurationBean
xmlns="">
<script>import java.util.*;
ArrayList emptyList = new ArrayList();
</script>
<dependencies />
<classLoaderSharing>workflow</classLoaderSharing>
<localDependencies />
<artifactDependencies />
<inputs />
<outputs>
<net.sf.taverna.t2.workflowmodel.processor.activity.config.ActivityOutputPortDefinitionBean>
<granularDepth>1</granularDepth>
<name>emptyList</name>
<depth>1</depth>
<mimeTypes>
<string>text/plain</string>
</mimeTypes>
</net.sf.taverna.t2.workflowmodel.processor.activity.config.ActivityOutputPortDefinitionBean>
</outputs>
</net.sf.taverna.t2.activities.beanshell.BeanshellActivityConfigurationBean></configBean><annotations
/></activity></activities><dispatchStack><dispatchLayer><raven><group>net.sf.taverna.t2</group><artifact>workflowmodel-impl</artifact><version>0.4</version></raven><class>net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.Parallelize</class><configBean
encoding="xstream"><net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.ParallelizeConfig
xmlns="">
<maxJobs>1</maxJobs>
</net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.ParallelizeConfig></configBean></dispatchLayer><dispatchLayer><raven><group>net.sf.taverna.t2</group><artifact>workflowmodel-impl</artifact><version>0.4</version></raven><class>net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.ErrorBounce</class><configBean
encoding="xstream"><null xmlns=""
/></configBean></dispatchLayer><dispatchLayer><raven><group>net.sf.taverna.t2</group><artifact>workflowmodel-impl</artifact><version>0.4</version></raven><class>net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.Failover</class><configBean
encoding="xstream"><null xmlns=""
/></configBean></dispatchLayer><dispatchLayer><raven><group>net.sf.taverna.t2</group><artifact>workflowmodel-impl</artifact><version>0.4</version></raven><class>net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.Retry</class><configBean
encoding="xstream"><net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.RetryConfig
xmlns="">
<backoffFactor>1.0</backoffFactor>
<initialDelay>1000</initialDelay>
<maxDelay>5000</maxDelay>
<maxRetries>0</maxRetries>
</net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.RetryConfig></configBean></dispatchLayer><dispatchLayer><raven><group>net.sf.taverna.t2</group><artifact>workflowmodel-impl</artifact><version>0.4</version></raven><class>net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.Invoke</class><configBean
encoding="xstream"><null xmlns=""
/></configBean></dispatchLayer></dispatchStack><iterationStrategyStack><iteration><strategy
/></iteration></iterationStrategyStack></processor><processor><name>ListSize2</name><inputPorts><port><name>inputlist</name><depth>1</depth></port></inputPorts><outputPorts><port><name>listsize</name><depth>0</depth><granularDepth>0</granularDepth></port></outputPorts><annotations
/><activities><activity><raven><group>net.sf.taverna.t2.activities</group><artifact>beanshell-activity</artifact><version>0.4</version></raven><class>net.sf.taverna.t2.activities.beanshell.BeanshellActivity</class><inputMap><map
from="inputlist" to="inputlist" /></inputMap><outputMap><map from="listsize"
to="listsize" /></outputMap><configBean
encoding="xstream"><net.sf.taverna.t2.activities.beanshell.BeanshellActivityConfigurationBean
xmlns="">
<script>import java.util.*;
listsize = inputlist.size();</script>
<dependencies />
<classLoaderSharing>workflow</classLoaderSharing>
<localDependencies />
<artifactDependencies />
<inputs>
<net.sf.taverna.t2.workflowmodel.processor.activity.config.ActivityInputPortDefinitionBean>
<handledReferenceSchemes />
<translatedElementType>java.lang.String</translatedElementType>
<allowsLiteralValues>true</allowsLiteralValues>
<name>inputlist</name>
<depth>1</depth>
<mimeTypes>
<string>text/plain</string>
</mimeTypes>
</net.sf.taverna.t2.workflowmodel.processor.activity.config.ActivityInputPortDefinitionBean>
</inputs>
<outputs>
<net.sf.taverna.t2.workflowmodel.processor.activity.config.ActivityOutputPortDefinitionBean>
<granularDepth>0</granularDepth>
<name>listsize</name>
<depth>0</depth>
<mimeTypes>
<string>text/plain</string>
</mimeTypes>
</net.sf.taverna.t2.workflowmodel.processor.activity.config.ActivityOutputPortDefinitionBean>
</outputs>
</net.sf.taverna.t2.activities.beanshell.BeanshellActivityConfigurationBean></configBean><annotations
/></activity></activities><dispatchStack><dispatchLayer><raven><group>net.sf.taverna.t2</group><artifact>workflowmodel-impl</artifact><version>0.4</version></raven><class>net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.Parallelize</class><configBean
encoding="xstream"><net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.ParallelizeConfig
xmlns="">
<maxJobs>1</maxJobs>
</net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.ParallelizeConfig></configBean></dispatchLayer><dispatchLayer><raven><group>net.sf.taverna.t2</group><artifact>workflowmodel-impl</artifact><version>0.4</version></raven><class>net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.ErrorBounce</class><configBean
encoding="xstream"><null xmlns=""
/></configBean></dispatchLayer><dispatchLayer><raven><group>net.sf.taverna.t2</group><artifact>workflowmodel-impl</artifact><version>0.4</version></raven><class>net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.Failover</class><configBean
encoding="xstream"><null xmlns=""
/></configBean></dispatchLayer><dispatchLayer><raven><group>net.sf.taverna.t2</group><artifact>workflowmodel-impl</artifact><version>0.4</version></raven><class>net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.Retry</class><configBean
encoding="xstream"><net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.RetryConfig
xmlns="">
<backoffFactor>1.0</backoffFactor>
<initialDelay>1000</initialDelay>
<maxDelay>5000</maxDelay>
<maxRetries>0</maxRetries>
</net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.RetryConfig></configBean></dispatchLayer><dispatchLayer><raven><group>net.sf.taverna.t2</group><artifact>workflowmodel-impl</artifact><version>0.4</version></raven><class>net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.Invoke</class><configBean
encoding="xstream"><null xmlns=""
/></configBean></dispatchLayer></dispatchStack><iterationStrategyStack><iteration><strategy><cross><port
name="inputlist" depth="1"
/></cross></strategy></iteration></iterationStrategyStack></processor><processor><name>CreateEmptyListAtEndOfList</name><inputPorts
/><outputPorts><port><name>output2deep</name><depth>2</depth><granularDepth>2</granularDepth></port></outputPorts><annotations
/><activities><activity><raven><group>net.sf.taverna.t2.activities</group><artifact>beanshell-activity</artifact><version>0.4</version></raven><class>net.sf.taverna.t2.activities.beanshell.BeanshellActivity</class><inputMap
/><outputMap><map from="output2deep" to="output2deep"
/></outputMap><configBean
encoding="xstream"><net.sf.taverna.t2.activities.beanshell.BeanshellActivityConfigurationBean
xmlns="">
<script>import java.util.*;
ArrayList list2deep = new ArrayList();
ArrayList list1deep1 = new ArrayList();
ArrayList emptylist = new ArrayList();
list1deep1.add("item1");
list1deep1.add("item2");
list1deep1.add("item3");
list2deep.add(list1deep1);
list2deep.add(emptylist);
output2deep=list2deep;
</script>
<dependencies />
<classLoaderSharing>workflow</classLoaderSharing>
<localDependencies />
<artifactDependencies />
<inputs />
<outputs>
<net.sf.taverna.t2.workflowmodel.processor.activity.config.ActivityOutputPortDefinitionBean>
<granularDepth>2</granularDepth>
<name>output2deep</name>
<depth>2</depth>
<mimeTypes>
<string>text/plain</string>
</mimeTypes>
</net.sf.taverna.t2.workflowmodel.processor.activity.config.ActivityOutputPortDefinitionBean>
</outputs>
</net.sf.taverna.t2.activities.beanshell.BeanshellActivityConfigurationBean></configBean><annotations
/></activity></activities><dispatchStack><dispatchLayer><raven><group>net.sf.taverna.t2</group><artifact>workflowmodel-impl</artifact><version>0.4</version></raven><class>net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.Parallelize</class><configBean
encoding="xstream"><net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.ParallelizeConfig
xmlns="">
<maxJobs>1</maxJobs>
</net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.ParallelizeConfig></configBean></dispatchLayer><dispatchLayer><raven><group>net.sf.taverna.t2</group><artifact>workflowmodel-impl</artifact><version>0.4</version></raven><class>net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.ErrorBounce</class><configBean
encoding="xstream"><null xmlns=""
/></configBean></dispatchLayer><dispatchLayer><raven><group>net.sf.taverna.t2</group><artifact>workflowmodel-impl</artifact><version>0.4</version></raven><class>net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.Failover</class><configBean
encoding="xstream"><null xmlns=""
/></configBean></dispatchLayer><dispatchLayer><raven><group>net.sf.taverna.t2</group><artifact>workflowmodel-impl</artifact><version>0.4</version></raven><class>net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.Retry</class><configBean
encoding="xstream"><net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.RetryConfig
xmlns="">
<backoffFactor>1.0</backoffFactor>
<initialDelay>1000</initialDelay>
<maxDelay>5000</maxDelay>
<maxRetries>0</maxRetries>
</net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.RetryConfig></configBean></dispatchLayer><dispatchLayer><raven><group>net.sf.taverna.t2</group><artifact>workflowmodel-impl</artifact><version>0.4</version></raven><class>net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.Invoke</class><configBean
encoding="xstream"><null xmlns=""
/></configBean></dispatchLayer></dispatchStack><iterationStrategyStack><iteration><strategy
/></iteration></iterationStrategyStack></processor><processor><name>ListSize3</name><inputPorts><port><name>inputlist</name><depth>1</depth></port></inputPorts><outputPorts><port><name>listsize</name><depth>0</depth><granularDepth>0</granularDepth></port></outputPorts><annotations
/><activities><activity><raven><group>net.sf.taverna.t2.activities</group><artifact>beanshell-activity</artifact><version>0.4</version></raven><class>net.sf.taverna.t2.activities.beanshell.BeanshellActivity</class><inputMap><map
from="inputlist" to="inputlist" /></inputMap><outputMap><map from="listsize"
to="listsize" /></outputMap><configBean
encoding="xstream"><net.sf.taverna.t2.activities.beanshell.BeanshellActivityConfigurationBean
xmlns="">
<script>import java.util.*;
listsize = inputlist.size();</script>
<dependencies />
<classLoaderSharing>workflow</classLoaderSharing>
<localDependencies />
<artifactDependencies />
<inputs>
<net.sf.taverna.t2.workflowmodel.processor.activity.config.ActivityInputPortDefinitionBean>
<handledReferenceSchemes />
<translatedElementType>java.lang.String</translatedElementType>
<allowsLiteralValues>true</allowsLiteralValues>
<name>inputlist</name>
<depth>1</depth>
<mimeTypes>
<string>text/plain</string>
</mimeTypes>
</net.sf.taverna.t2.workflowmodel.processor.activity.config.ActivityInputPortDefinitionBean>
</inputs>
<outputs>
<net.sf.taverna.t2.workflowmodel.processor.activity.config.ActivityOutputPortDefinitionBean>
<granularDepth>0</granularDepth>
<name>listsize</name>
<depth>0</depth>
<mimeTypes>
<string>text/plain</string>
</mimeTypes>
</net.sf.taverna.t2.workflowmodel.processor.activity.config.ActivityOutputPortDefinitionBean>
</outputs>
</net.sf.taverna.t2.activities.beanshell.BeanshellActivityConfigurationBean></configBean><annotations
/></activity></activities><dispatchStack><dispatchLayer><raven><group>net.sf.taverna.t2</group><artifact>workflowmodel-impl</artifact><version>0.4</version></raven><class>net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.Parallelize</class><configBean
encoding="xstream"><net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.ParallelizeConfig
xmlns="">
<maxJobs>1</maxJobs>
</net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.ParallelizeConfig></configBean></dispatchLayer><dispatchLayer><raven><group>net.sf.taverna.t2</group><artifact>workflowmodel-impl</artifact><version>0.4</version></raven><class>net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.ErrorBounce</class><configBean
encoding="xstream"><null xmlns=""
/></configBean></dispatchLayer><dispatchLayer><raven><group>net.sf.taverna.t2</group><artifact>workflowmodel-impl</artifact><version>0.4</version></raven><class>net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.Failover</class><configBean
encoding="xstream"><null xmlns=""
/></configBean></dispatchLayer><dispatchLayer><raven><group>net.sf.taverna.t2</group><artifact>workflowmodel-impl</artifact><version>0.4</version></raven><class>net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.Retry</class><configBean
encoding="xstream"><net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.RetryConfig
xmlns="">
<backoffFactor>1.0</backoffFactor>
<initialDelay>1000</initialDelay>
<maxDelay>5000</maxDelay>
<maxRetries>0</maxRetries>
</net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.RetryConfig></configBean></dispatchLayer><dispatchLayer><raven><group>net.sf.taverna.t2</group><artifact>workflowmodel-impl</artifact><version>0.4</version></raven><class>net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.Invoke</class><configBean
encoding="xstream"><null xmlns=""
/></configBean></dispatchLayer></dispatchStack><iterationStrategyStack><iteration><strategy><cross><port
name="inputlist" depth="1"
/></cross></strategy></iteration></iterationStrategyStack></processor></processors><conditions
/><datalinks><datalink><sink
type="processor"><processor>ListSize</processor><port>inputlist</port></sink><source
type="processor"><processor>CreateEmptyListInList</processor><port>output2deep</port></source></datalink><datalink><sink
type="processor"><processor>ListSize2</processor><port>inputlist</port></sink><source
type="processor"><processor>CreateEmptyList</processor><port>emptyList</port></source></datalink><datalink><sink
type="processor"><processor>ListSize3</processor><port>inputlist</port></sink><source
type="processor"><processor>CreateEmptyListAtEndOfList</processor><port>output2deep</port></source></datalink><datalink><sink
type="dataflow"><port>emptyinmiddle</port></sink><source
type="processor"><processor>CreateEmptyListInList</processor><port>output2deep</port></source></datalink><datalink><sink
type="dataflow"><port>listsize</port></sink><source
type="processor"><processor>ListSize</processor><port>listsize</port></source></datalink><datalink><sink
type="dataflow"><port>emptylistsize</port></sink><source
type="processor"><processor>ListSize2</processor><port>listsize</port></source></datalink><datalink><sink
type="dataflow"><port>emptylist</port></sink><source
type="processor"><processor>CreateEmptyList</processor><port>emptyList</port></source></datalink><datalink><sink
type="dataflow"><port>emptyatend</port></sink><source
type="processor"><processor>CreateEmptyListAtEndOfList</processor><port>output2deep</port></source></datalink><datalink><sink
type="dataflow"><port>listsize3</port></sink><source
type="processor"><processor>ListSize3</processor><port>listsize</port></source></datalink></datalinks><annotations
/></dataflow></workflow>------------------------------------------------------------------------------
Open Source Business Conference (OSBC), March 24-25, 2009, San Francisco, CA
-OSBC tackles the biggest issue in open source: Open Sourcing the Enterprise
-Strategies to boost innovation and cut costs with open source participation
-Receive a $600 discount off the registration fee with the source code: SFAD
http://p.sf.net/sfu/XcvMzF8H
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