http://git-wip-us.apache.org/repos/asf/airavata/blob/5881af94/modules/registry/registry-core/src/main/java/org/apache/airavata/registry/core/data/catalog/impl/DataCatalogImpl.java
----------------------------------------------------------------------
diff --git 
a/modules/registry/registry-core/src/main/java/org/apache/airavata/registry/core/data/catalog/impl/DataCatalogImpl.java
 
b/modules/registry/registry-core/src/main/java/org/apache/airavata/registry/core/data/catalog/impl/DataCatalogImpl.java
deleted file mode 100644
index f596980..0000000
--- 
a/modules/registry/registry-core/src/main/java/org/apache/airavata/registry/core/data/catalog/impl/DataCatalogImpl.java
+++ /dev/null
@@ -1,286 +0,0 @@
-/*
- *
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- *
- *   http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- * specific language governing permissions and limitations
- * under the License.
- *
- */
-
-package org.apache.airavata.registry.core.data.catalog.impl;
-
-import org.apache.airavata.model.data.resource.DataReplicaLocationModel;
-import org.apache.airavata.model.data.resource.DataResourceModel;
-import 
org.apache.airavata.registry.core.data.catalog.model.DataReplicaLocation;
-import 
org.apache.airavata.registry.core.data.catalog.utils.DataCatalogJPAUtils;
-import org.apache.airavata.registry.core.data.catalog.model.DataResource;
-import 
org.apache.airavata.registry.core.data.catalog.utils.ThriftDataModelConversion;
-import org.apache.airavata.registry.cpi.DataCatalog;
-import org.apache.airavata.registry.cpi.DataCatalogException;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import javax.persistence.EntityManager;
-import java.util.ArrayList;
-import java.util.List;
-import java.util.UUID;
-
-public class DataCatalogImpl implements DataCatalog {
-
-    private final static Logger logger = 
LoggerFactory.getLogger(DataCatalogImpl.class);
-
-    @Override
-    public String registerResource(DataResourceModel resourceModel) throws 
DataCatalogException {
-        String resourceId = UUID.randomUUID().toString();
-        resourceModel.setResourceId(resourceId);
-        long currentTime = System.currentTimeMillis();
-        resourceModel.setCreationTime(currentTime);
-        resourceModel.setLastModifiedTime(currentTime);
-        if(resourceModel.getReplicaLocations() != null){
-            resourceModel.getReplicaLocations().stream().forEach(r-> {
-                r.setResourceId(resourceId);
-                r.setReplicaId(UUID.randomUUID().toString());
-                r.setCreationTime(currentTime);
-                r.setLastModifiedTime(currentTime);
-            });
-        }
-        resourceModel.setCreationTime(System.currentTimeMillis());
-        resourceModel.setLastModifiedTime(System.currentTimeMillis());
-        DataResource dataResource = 
ThriftDataModelConversion.getDataResource(resourceModel);
-        EntityManager em = null;
-        try {
-            em = DataCatalogJPAUtils.getEntityManager();
-            em.getTransaction().begin();
-            em.persist(dataResource);
-            em.getTransaction().commit();
-            em.close();
-        } catch (Exception e) {
-            logger.error(e.getMessage(), e);
-            throw new DataCatalogException(e);
-        } finally {
-            if (em != null && em.isOpen()) {
-                if (em.getTransaction().isActive()) {
-                    em.getTransaction().rollback();
-                }
-                em.close();
-            }
-        }
-        return resourceId;
-    }
-
-    @Override
-    public boolean removeResource(String resourceId) throws 
DataCatalogException {
-        EntityManager em = null;
-        try {
-            em = DataCatalogJPAUtils.getEntityManager();
-            DataResource dataResource = em.find(DataResource.class, 
resourceId);
-            if(dataResource == null)
-                return false;
-            em.getTransaction().begin();
-            em.remove(dataResource);
-            em.getTransaction().commit();
-            em.close();
-        } catch (Exception e) {
-            logger.error(e.getMessage(), e);
-            throw new DataCatalogException(e);
-        } finally {
-            if (em != null && em.isOpen()) {
-                if (em.getTransaction().isActive()) {
-                    em.getTransaction().rollback();
-                }
-                em.close();
-            }
-        }
-        return true;
-    }
-
-    @Override
-    public boolean updateResource(DataResourceModel resourceModel) throws 
DataCatalogException {
-        EntityManager em = null;
-        try {
-            em = DataCatalogJPAUtils.getEntityManager();
-            DataResource dataResource = em.find(DataResource.class, 
resourceModel.getResourceId());
-            if(dataResource == null)
-                return false;
-            em.getTransaction().begin();
-            
resourceModel.setCreationTime(dataResource.getCreationTime().getTime());
-            resourceModel.setLastModifiedTime(System.currentTimeMillis());
-            
em.merge(ThriftDataModelConversion.getUpdatedDataResource(resourceModel, 
dataResource));
-            em.getTransaction().commit();
-            em.close();
-        } catch (Exception e) {
-            logger.error(e.getMessage(), e);
-            throw new DataCatalogException(e);
-        } finally {
-            if (em != null && em.isOpen()) {
-                if (em.getTransaction().isActive()) {
-                    em.getTransaction().rollback();
-                }
-                em.close();
-            }
-        }
-        return true;
-    }
-
-    @Override
-    public DataResourceModel getResource(String resourceId) throws 
DataCatalogException {
-        EntityManager em = null;
-        try {
-            em = DataCatalogJPAUtils.getEntityManager();
-            DataResource dataResource = em.find(DataResource.class, 
resourceId);
-            return 
ThriftDataModelConversion.getDataResourceModel(dataResource);
-        } catch (Exception e) {
-            logger.error(e.getMessage(), e);
-            throw new DataCatalogException(e);
-        } finally {
-            if (em != null && em.isOpen()) {
-                if (em.getTransaction().isActive()) {
-                    em.getTransaction().rollback();
-                }
-                em.close();
-            }
-        }
-    }
-
-    @Override
-    public String registerReplicaLocation(DataReplicaLocationModel 
dataReplicaLocationModel) throws DataCatalogException {
-        String replicaId = UUID.randomUUID().toString();
-        dataReplicaLocationModel.setReplicaId(replicaId);
-        long currentTime = System.currentTimeMillis();
-        dataReplicaLocationModel.setCreationTime(currentTime);
-        dataReplicaLocationModel.setLastModifiedTime(currentTime);
-        dataReplicaLocationModel.setCreationTime(System.currentTimeMillis());
-        
dataReplicaLocationModel.setLastModifiedTime(System.currentTimeMillis());
-        DataReplicaLocation replicaLocation = 
ThriftDataModelConversion.getDataReplicaLocation(dataReplicaLocationModel);
-        EntityManager em = null;
-        try {
-            em = DataCatalogJPAUtils.getEntityManager();
-            em.getTransaction().begin();
-            em.persist(replicaLocation);
-            em.getTransaction().commit();
-            em.close();
-        } catch (Exception e) {
-            logger.error(e.getMessage(), e);
-            throw new DataCatalogException(e);
-        } finally {
-            if (em != null && em.isOpen()) {
-                if (em.getTransaction().isActive()) {
-                    em.getTransaction().rollback();
-                }
-                em.close();
-            }
-        }
-        return replicaId;
-    }
-
-    @Override
-    public boolean removeReplicaLocation(String replicaId) throws 
DataCatalogException {
-        EntityManager em = null;
-        try {
-            em = DataCatalogJPAUtils.getEntityManager();
-            DataReplicaLocation replicaLocation = 
em.find(DataReplicaLocation.class, replicaId);
-            if(replicaLocation == null)
-                return false;
-            em.getTransaction().begin();
-            em.remove(replicaLocation);
-            em.getTransaction().commit();
-            em.close();
-        } catch (Exception e) {
-            logger.error(e.getMessage(), e);
-            throw new DataCatalogException(e);
-        } finally {
-            if (em != null && em.isOpen()) {
-                if (em.getTransaction().isActive()) {
-                    em.getTransaction().rollback();
-                }
-                em.close();
-            }
-        }
-        return true;
-    }
-
-    @Override
-    public boolean updateReplicaLocation(DataReplicaLocationModel 
dataReplicaLocationModel) throws DataCatalogException {
-        EntityManager em = null;
-        try {
-            em = DataCatalogJPAUtils.getEntityManager();
-            DataReplicaLocation dataReplicaLocation = 
em.find(DataReplicaLocation.class, dataReplicaLocationModel.getReplicaId());
-            if(dataReplicaLocation == null)
-                return false;
-            em.getTransaction().begin();
-            
dataReplicaLocationModel.setCreationTime(dataReplicaLocation.getCreationTime().getTime());
-            
dataReplicaLocationModel.setLastModifiedTime(System.currentTimeMillis());
-            
em.merge(ThriftDataModelConversion.getUpdatedDataReplicaLocation(dataReplicaLocationModel,
 dataReplicaLocation));
-            em.getTransaction().commit();
-            em.close();
-        } catch (Exception e) {
-            logger.error(e.getMessage(), e);
-            throw new DataCatalogException(e);
-        } finally {
-            if (em != null && em.isOpen()) {
-                if (em.getTransaction().isActive()) {
-                    em.getTransaction().rollback();
-                }
-                em.close();
-            }
-        }
-        return true;
-    }
-
-    @Override
-    public DataReplicaLocationModel getReplicaLocation(String replicaId) 
throws DataCatalogException {
-        EntityManager em = null;
-        try {
-            em = DataCatalogJPAUtils.getEntityManager();
-            DataReplicaLocation replicaLocation = 
em.find(DataReplicaLocation.class, replicaId);
-            return 
ThriftDataModelConversion.getDataReplicaLocationModel(replicaLocation);
-        } catch (Exception e) {
-            logger.error(e.getMessage(), e);
-            throw new DataCatalogException(e);
-        } finally {
-            if (em != null && em.isOpen()) {
-                if (em.getTransaction().isActive()) {
-                    em.getTransaction().rollback();
-                }
-                em.close();
-            }
-        }
-    }
-
-    @Override
-    public List<DataReplicaLocationModel> getAllReplicaLocations(String 
resourceId) throws DataCatalogException {
-        EntityManager em = null;
-        try {
-            em = DataCatalogJPAUtils.getEntityManager();
-            DataResource dataResource = em.find(DataResource.class, 
resourceId);
-            if(dataResource == null)
-                return null;
-            ArrayList<DataReplicaLocationModel> dataReplicaLocationModels = 
new ArrayList<>();
-            
dataResource.getDataReplicaLocations().stream().forEach(rl->dataReplicaLocationModels
-                    
.add(ThriftDataModelConversion.getDataReplicaLocationModel(rl)));
-            return dataReplicaLocationModels;
-        } catch (Exception e) {
-            logger.error(e.getMessage(), e);
-            throw new DataCatalogException(e);
-        } finally {
-            if (em != null && em.isOpen()) {
-                if (em.getTransaction().isActive()) {
-                    em.getTransaction().rollback();
-                }
-                em.close();
-            }
-        }
-    }
-}

http://git-wip-us.apache.org/repos/asf/airavata/blob/5881af94/modules/registry/registry-core/src/main/java/org/apache/airavata/registry/core/data/catalog/model/Configuration.java
----------------------------------------------------------------------
diff --git 
a/modules/registry/registry-core/src/main/java/org/apache/airavata/registry/core/data/catalog/model/Configuration.java
 
b/modules/registry/registry-core/src/main/java/org/apache/airavata/registry/core/data/catalog/model/Configuration.java
deleted file mode 100644
index e4ad0ec..0000000
--- 
a/modules/registry/registry-core/src/main/java/org/apache/airavata/registry/core/data/catalog/model/Configuration.java
+++ /dev/null
@@ -1,55 +0,0 @@
-/*
-*
-* Licensed to the Apache Software Foundation (ASF) under one
-* or more contributor license agreements.  See the NOTICE file
-* distributed with this work for additional information
-* regarding copyright ownership.  The ASF licenses this file
-* to you under the Apache License, Version 2.0 (the
-* "License"); you may not use this file except in compliance
-* with the License.  You may obtain a copy of the License at
-*
-*   http://www.apache.org/licenses/LICENSE-2.0
-*
-* Unless required by applicable law or agreed to in writing,
-* software distributed under the License is distributed on an
-* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
-* KIND, either express or implied.  See the License for the
-* specific language governing permissions and limitations
-* under the License.
-*
-*/
-package org.apache.airavata.registry.core.data.catalog.model;
-
-import org.apache.airavata.registry.core.app.catalog.model.Configuration_PK;
-
-import javax.persistence.*;
-import java.io.Serializable;
-
-@Entity
-@Table(name ="CONFIGURATION")
-@IdClass(Configuration_PK.class)
-public class Configuration implements Serializable {
-    @Id
-    @Column(name = "CONFIG_KEY")
-    private String config_key;
-
-    @Id
-    @Column(name = "CONFIG_VAL")
-    private String config_val;
-
-    public String getConfig_key() {
-        return config_key;
-    }
-
-    public String getConfig_val() {
-        return config_val;
-    }
-
-    public void setConfig_key(String config_key) {
-        this.config_key = config_key;
-    }
-
-    public void setConfig_val(String config_val) {
-        this.config_val = config_val;
-    }
-}

http://git-wip-us.apache.org/repos/asf/airavata/blob/5881af94/modules/registry/registry-core/src/main/java/org/apache/airavata/registry/core/data/catalog/model/DataReplicaLocation.java
----------------------------------------------------------------------
diff --git 
a/modules/registry/registry-core/src/main/java/org/apache/airavata/registry/core/data/catalog/model/DataReplicaLocation.java
 
b/modules/registry/registry-core/src/main/java/org/apache/airavata/registry/core/data/catalog/model/DataReplicaLocation.java
deleted file mode 100644
index ea58824..0000000
--- 
a/modules/registry/registry-core/src/main/java/org/apache/airavata/registry/core/data/catalog/model/DataReplicaLocation.java
+++ /dev/null
@@ -1,169 +0,0 @@
-/*
- *
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- *
- *   http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- * specific language governing permissions and limitations
- * under the License.
- *
-*/
-package org.apache.airavata.registry.core.data.catalog.model;
-
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import javax.persistence.*;
-import java.sql.Timestamp;
-import java.util.Collection;
-
-@Entity
-@Table(name = "DATA_REPLICA_LOCATION")
-public class DataReplicaLocation {
-    private final static Logger logger = 
LoggerFactory.getLogger(DataReplicaLocation.class);
-    private String replicaId;
-    private String resourceId;
-    private String replicaName;
-    private String replicaDescription;
-    private String storageResourceId;
-    private String fileAbsolutePath;
-    private String replicaLocationCategory;
-    private String replicaPersistentType;
-    private Timestamp creationTime;
-    private Timestamp lastModifiedTime;
-    private Timestamp validUntilTime;
-
-    private DataResource dataResource;
-    private Collection<DataReplicaMetaData> dataReplicaMetaData;
-
-    @Id
-    @Column(name = "REPLICA_ID")
-    public String getReplicaId() {
-        return replicaId;
-    }
-
-    public void setReplicaId(String replicaId) {
-        this.replicaId = replicaId;
-    }
-
-    @Column(name = "RESOURCE_ID")
-    public String getResourceId() {
-        return resourceId;
-    }
-
-    public void setResourceId(String resourceId) {
-        this.resourceId = resourceId;
-    }
-
-
-    @Column(name = "REPLICA_NAME")
-    public String getReplicaName() {
-        return replicaName;
-    }
-
-    public void setReplicaName(String replicaName) {
-        this.replicaName = replicaName;
-    }
-
-    @Column(name = "REPLICA_DESCRIPTION")
-    public String getReplicaDescription() {
-        return replicaDescription;
-    }
-
-    public void setReplicaDescription(String replicaDescription) {
-        this.replicaDescription = replicaDescription;
-    }
-
-    @Column(name = "STORAGE_RESOURCE_ID")
-    public String getStorageResourceId() {
-        return storageResourceId;
-    }
-
-    public void setStorageResourceId(String storageResourceId) {
-        this.storageResourceId = storageResourceId;
-    }
-
-    @Column(name = "FILE_ABSOLUTE_PATH")
-    public String getFileAbsolutePath() {
-        return fileAbsolutePath;
-    }
-
-    public void setFileAbsolutePath(String fileAbsolutePath) {
-        this.fileAbsolutePath = fileAbsolutePath;
-    }
-
-    @Column(name = "CREATION_TIME")
-    public Timestamp getCreationTime() {
-        return creationTime;
-    }
-
-    public void setCreationTime(Timestamp creationTime) {
-        this.creationTime = creationTime;
-    }
-
-    @Column(name = "LAST_MODIFIED_TIME")
-    public Timestamp getLastModifiedTime() {
-        return lastModifiedTime;
-    }
-
-    public void setLastModifiedTime(Timestamp lastModifiedTime) {
-        this.lastModifiedTime = lastModifiedTime;
-    }
-
-    @Column(name = "VALID_UNTIL_TIME")
-    public Timestamp getValidUntilTime() {
-        return validUntilTime;
-    }
-
-    public void setValidUntilTime(Timestamp validUntilTime) {
-        this.validUntilTime = validUntilTime;
-    }
-
-
-    @Column(name = "REPLICA_LOCATION_CATEGORY")
-    public String getReplicaLocationCategory() {
-        return replicaLocationCategory;
-    }
-
-    public void setReplicaLocationCategory(String replicaLocationCategory) {
-        this.replicaLocationCategory = replicaLocationCategory;
-    }
-
-    @Column(name = "REPLICA_PERSISTENT_TYPE")
-    public String getReplicaPersistentType() {
-        return replicaPersistentType;
-    }
-
-    public void setReplicaPersistentType(String replicaPersistentType) {
-        this.replicaPersistentType = replicaPersistentType;
-    }
-
-    @ManyToOne
-    @JoinColumn(name = "RESOURCE_ID", referencedColumnName = "RESOURCE_ID")
-    public DataResource getDataResource() {
-        return dataResource;
-    }
-
-    public void setDataResource(DataResource dataResource) {
-        this.dataResource = dataResource;
-    }
-
-    @OneToMany(mappedBy = "dataReplicaLocation", cascade = {CascadeType.ALL})
-    public Collection<DataReplicaMetaData> getDataReplicaMetaData() {
-        return dataReplicaMetaData;
-    }
-
-    public void setDataReplicaMetaData(Collection<DataReplicaMetaData> 
dataReplicaMetaData) {
-        this.dataReplicaMetaData = dataReplicaMetaData;
-    }
-}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/airavata/blob/5881af94/modules/registry/registry-core/src/main/java/org/apache/airavata/registry/core/data/catalog/model/DataReplicaMetaData.java
----------------------------------------------------------------------
diff --git 
a/modules/registry/registry-core/src/main/java/org/apache/airavata/registry/core/data/catalog/model/DataReplicaMetaData.java
 
b/modules/registry/registry-core/src/main/java/org/apache/airavata/registry/core/data/catalog/model/DataReplicaMetaData.java
deleted file mode 100644
index e9a2203..0000000
--- 
a/modules/registry/registry-core/src/main/java/org/apache/airavata/registry/core/data/catalog/model/DataReplicaMetaData.java
+++ /dev/null
@@ -1,77 +0,0 @@
-/*
- *
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- *
- *   http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- * specific language governing permissions and limitations
- * under the License.
- *
-*/
-package org.apache.airavata.registry.core.data.catalog.model;
-
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import javax.persistence.*;
-
-@Entity
-@Table(name = "DATA_REPLICA_METADATA")
-@IdClass(DataReplicaMetaData_PK.class)
-public class DataReplicaMetaData {
-    private final static Logger logger = 
LoggerFactory.getLogger(DataReplicaMetaData.class);
-    private String replicaId;
-    private String key;
-    private String value;
-
-    private DataReplicaLocation dataReplicaLocation;
-
-    @Id
-    @Column(name = "REPLICA_ID")
-    public String getReplicaId() {
-        return replicaId;
-    }
-
-    public void setReplicaId(String replicaId) {
-        this.replicaId = replicaId;
-    }
-
-    @Id
-    @Column(name = "METADATA_KEY")
-    public String getKey() {
-        return key;
-    }
-
-    public void setKey(String key) {
-        this.key = key;
-    }
-
-    @Column(name = "METADATA_VALUE")
-    public String getValue() {
-        return value;
-    }
-
-    public void setValue(String value) {
-        this.value = value;
-    }
-
-    @ManyToOne
-    @JoinColumn(name = "REPLICA_ID", referencedColumnName = "REPLICA_ID")
-    public DataReplicaLocation getDataReplicaLocation() {
-        return dataReplicaLocation;
-    }
-
-    public void setDataReplicaLocation(DataReplicaLocation 
dataReplicaLocation) {
-        this.dataReplicaLocation = dataReplicaLocation;
-    }
-}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/airavata/blob/5881af94/modules/registry/registry-core/src/main/java/org/apache/airavata/registry/core/data/catalog/model/DataReplicaMetaData_PK.java
----------------------------------------------------------------------
diff --git 
a/modules/registry/registry-core/src/main/java/org/apache/airavata/registry/core/data/catalog/model/DataReplicaMetaData_PK.java
 
b/modules/registry/registry-core/src/main/java/org/apache/airavata/registry/core/data/catalog/model/DataReplicaMetaData_PK.java
deleted file mode 100644
index 617cc41..0000000
--- 
a/modules/registry/registry-core/src/main/java/org/apache/airavata/registry/core/data/catalog/model/DataReplicaMetaData_PK.java
+++ /dev/null
@@ -1,59 +0,0 @@
-/*
- *
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- *
- *   http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- * specific language governing permissions and limitations
- * under the License.
- *
-*/
-package org.apache.airavata.registry.core.data.catalog.model;
-
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import java.io.Serializable;
-
-public class DataReplicaMetaData_PK implements Serializable {
-    private final static Logger logger = 
LoggerFactory.getLogger(DataReplicaMetaData_PK.class);
-
-    private String replicaId;
-    private String key;
-
-    public String getReplicaId() {
-        return replicaId;
-    }
-
-    public void setReplicaId(String replicaId) {
-        this.replicaId = replicaId;
-    }
-
-    public String getKey() {
-        return key;
-    }
-
-    public void setKey(String key) {
-        this.key = key;
-    }
-
-    @Override
-    public boolean equals(Object o) {
-        return false;
-    }
-
-    @Override
-    public int hashCode() {
-        return 1;
-    }
-}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/airavata/blob/5881af94/modules/registry/registry-core/src/main/java/org/apache/airavata/registry/core/data/catalog/model/DataResource.java
----------------------------------------------------------------------
diff --git 
a/modules/registry/registry-core/src/main/java/org/apache/airavata/registry/core/data/catalog/model/DataResource.java
 
b/modules/registry/registry-core/src/main/java/org/apache/airavata/registry/core/data/catalog/model/DataResource.java
deleted file mode 100644
index c570212..0000000
--- 
a/modules/registry/registry-core/src/main/java/org/apache/airavata/registry/core/data/catalog/model/DataResource.java
+++ /dev/null
@@ -1,177 +0,0 @@
-/*
- *
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- *
- *   http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- * specific language governing permissions and limitations
- * under the License.
- *
-*/
-package org.apache.airavata.registry.core.data.catalog.model;
-
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import javax.persistence.*;
-import java.sql.Timestamp;
-import java.util.Collection;
-
-@Entity
-@Table(name = "DATA_RESOURCE")
-public class DataResource {
-    private final static Logger logger = 
LoggerFactory.getLogger(DataResource.class);
-    private String resourceId;
-    private String gatewayId;
-    private String resourceName;
-    private String resourceDescription;
-    private String dataResourceType;
-    private String ownerName;
-    private String parentResourceId;
-    private int resourceSize;
-    private Timestamp creationTime;
-    private Timestamp lastModifiedTime;
-
-    private DataResource parentResource;
-    private Collection<DataReplicaLocation> dataReplicaLocations;
-    private Collection<DataResourceMetaData> dataResourceMetaData;
-    private Collection<DataResource> childDataResources;
-
-    @Id
-    @Column(name = "RESOURCE_ID")
-    public String getResourceId() {
-        return resourceId;
-    }
-
-    public void setResourceId(String resourceId) {
-        this.resourceId = resourceId;
-    }
-
-    @Column(name = "GATEWAY_ID")
-    public String getGatewayId() {
-        return gatewayId;
-    }
-
-    public void setGatewayId(String gatewayId) {
-        this.gatewayId = gatewayId;
-    }
-
-    @Column(name = "RESOURCE_NAME")
-    public String getResourceName() {
-        return resourceName;
-    }
-
-    public void setResourceName(String resourceName) {
-        this.resourceName = resourceName;
-    }
-
-    @Column(name = "RESOURCE_DESCRIPTION")
-    public String getResourceDescription() {
-        return resourceDescription;
-    }
-
-    public void setResourceDescription(String resourceDescription) {
-        this.resourceDescription = resourceDescription;
-    }
-
-    @Column(name = "OWNER_NAME")
-    public String getOwnerName() {
-        return ownerName;
-    }
-
-    public void setOwnerName(String ownerName) {
-        this.ownerName = ownerName;
-    }
-
-    @Column(name = "PARENT_RESOURCE_ID")
-    public String getParentResourceId() {
-        return parentResourceId;
-    }
-
-    public void setParentResourceId(String parentResourceId) {
-        this.parentResourceId = parentResourceId;
-    }
-
-    @Column(name = "RESOURCE_TYPE")
-    public String getDataResourceType() {
-        return dataResourceType;
-    }
-
-    public void setDataResourceType(String dataResourceType) {
-        this.dataResourceType = dataResourceType;
-    }
-
-    @Column(name = "RESOURCE_SIZE")
-    public int getResourceSize() {
-        return resourceSize;
-    }
-
-    public void setResourceSize(int resourceSize) {
-        this.resourceSize = resourceSize;
-    }
-
-    @Column(name = "CREATION_TIME")
-    public Timestamp getCreationTime() {
-        return creationTime;
-    }
-
-    public void setCreationTime(Timestamp creationTime) {
-        this.creationTime = creationTime;
-    }
-
-    @Column(name = "LAST_MODIFIED_TIME")
-    public Timestamp getLastModifiedTime() {
-        return lastModifiedTime;
-    }
-
-    public void setLastModifiedTime(Timestamp lastModifiedTime) {
-        this.lastModifiedTime = lastModifiedTime;
-    }
-
-    @OneToMany(mappedBy = "dataResource", cascade = {CascadeType.ALL})
-    public Collection<DataReplicaLocation> getDataReplicaLocations() {
-        return dataReplicaLocations;
-    }
-
-    public void setDataReplicaLocations(Collection<DataReplicaLocation> 
dataReplicaLocations) {
-        this.dataReplicaLocations = dataReplicaLocations;
-    }
-
-    @OneToMany(mappedBy = "dataResource", cascade = {CascadeType.ALL})
-    public Collection<DataResourceMetaData> getDataResourceMetaData() {
-        return dataResourceMetaData;
-    }
-
-    public void setDataResourceMetaData(Collection<DataResourceMetaData> 
dataResourceMetaData) {
-        this.dataResourceMetaData = dataResourceMetaData;
-    }
-
-    @ManyToOne
-    @JoinColumn(name = "PARENT_RESOURCE_ID", referencedColumnName = 
"RESOURCE_ID")
-    public DataResource getParentResource() {
-        return parentResource;
-    }
-
-    public void setParentResource(DataResource parentResource) {
-        this.parentResource = parentResource;
-    }
-
-    @OneToMany(mappedBy = "parentResource", cascade = {CascadeType.ALL})
-    public Collection<DataResource> getChildDataResources() {
-        return childDataResources;
-    }
-
-    public void setChildDataResources(Collection<DataResource> 
childDataResources) {
-        this.childDataResources = childDataResources;
-    }
-}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/airavata/blob/5881af94/modules/registry/registry-core/src/main/java/org/apache/airavata/registry/core/data/catalog/model/DataResourceMetaData.java
----------------------------------------------------------------------
diff --git 
a/modules/registry/registry-core/src/main/java/org/apache/airavata/registry/core/data/catalog/model/DataResourceMetaData.java
 
b/modules/registry/registry-core/src/main/java/org/apache/airavata/registry/core/data/catalog/model/DataResourceMetaData.java
deleted file mode 100644
index d703bac..0000000
--- 
a/modules/registry/registry-core/src/main/java/org/apache/airavata/registry/core/data/catalog/model/DataResourceMetaData.java
+++ /dev/null
@@ -1,77 +0,0 @@
-/*
- *
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- *
- *   http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- * specific language governing permissions and limitations
- * under the License.
- *
-*/
-package org.apache.airavata.registry.core.data.catalog.model;
-
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import javax.persistence.*;
-
-@Entity
-@Table(name = "DATA_RESOURCE_METADATA")
-@IdClass(DataResourceMetaData_PK.class)
-public class DataResourceMetaData {
-    private final static Logger logger = 
LoggerFactory.getLogger(DataResourceMetaData.class);
-    private String resourceId;
-    private String key;
-    private String value;
-
-    private DataResource dataResource;
-
-    @Id
-    @Column(name = "RESOURCE_ID")
-    public String getResourceId() {
-        return resourceId;
-    }
-
-    public void setResourceId(String resourceId) {
-        this.resourceId = resourceId;
-    }
-
-    @Id
-    @Column(name = "METADATA_KEY")
-    public String getKey() {
-        return key;
-    }
-
-    public void setKey(String key) {
-        this.key = key;
-    }
-
-    @Column(name = "METADATA_VALUE")
-    public String getValue() {
-        return value;
-    }
-
-    public void setValue(String value) {
-        this.value = value;
-    }
-
-    @ManyToOne
-    @JoinColumn(name = "RESOURCE_ID", referencedColumnName = "RESOURCE_ID")
-    public DataResource getDataResource() {
-        return dataResource;
-    }
-
-    public void setDataResource(DataResource dataResource) {
-        this.dataResource = dataResource;
-    }
-}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/airavata/blob/5881af94/modules/registry/registry-core/src/main/java/org/apache/airavata/registry/core/data/catalog/model/DataResourceMetaData_PK.java
----------------------------------------------------------------------
diff --git 
a/modules/registry/registry-core/src/main/java/org/apache/airavata/registry/core/data/catalog/model/DataResourceMetaData_PK.java
 
b/modules/registry/registry-core/src/main/java/org/apache/airavata/registry/core/data/catalog/model/DataResourceMetaData_PK.java
deleted file mode 100644
index 60545fe..0000000
--- 
a/modules/registry/registry-core/src/main/java/org/apache/airavata/registry/core/data/catalog/model/DataResourceMetaData_PK.java
+++ /dev/null
@@ -1,59 +0,0 @@
-/*
- *
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- *
- *   http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- * specific language governing permissions and limitations
- * under the License.
- *
-*/
-package org.apache.airavata.registry.core.data.catalog.model;
-
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import java.io.Serializable;
-
-public class DataResourceMetaData_PK implements Serializable {
-    private final static Logger logger = 
LoggerFactory.getLogger(DataResourceMetaData_PK.class);
-
-    private String resourceId;
-    private String key;
-
-    public String getResourceId() {
-        return resourceId;
-    }
-
-    public void setResourceId(String resourceId) {
-        this.resourceId = resourceId;
-    }
-
-    public String getKey() {
-        return key;
-    }
-
-    public void setKey(String key) {
-        this.key = key;
-    }
-
-    @Override
-    public boolean equals(Object o) {
-        return false;
-    }
-
-    @Override
-    public int hashCode() {
-        return 1;
-    }
-}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/airavata/blob/5881af94/modules/registry/registry-core/src/main/java/org/apache/airavata/registry/core/data/catalog/utils/DataCatalogConstants.java
----------------------------------------------------------------------
diff --git 
a/modules/registry/registry-core/src/main/java/org/apache/airavata/registry/core/data/catalog/utils/DataCatalogConstants.java
 
b/modules/registry/registry-core/src/main/java/org/apache/airavata/registry/core/data/catalog/utils/DataCatalogConstants.java
deleted file mode 100644
index c9e18f6..0000000
--- 
a/modules/registry/registry-core/src/main/java/org/apache/airavata/registry/core/data/catalog/utils/DataCatalogConstants.java
+++ /dev/null
@@ -1,49 +0,0 @@
-/*
- *
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- *
- *   http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- * specific language governing permissions and limitations
- * under the License.
- *
- */
-package org.apache.airavata.registry.core.data.catalog.utils;
-
-public class DataCatalogConstants {
-       // table names
-       public static final String DATA_RESOURCE = "DataResource";
-       public static final String DATA_REPLICA_LOCATION = 
"DataReplicaLocation";
-       public static final String CONFIGURATION = "Configuration";
-
-       // DataResource Table
-       public final class DataResourceConstants {
-               public static final String RESOURCE_ID = "resourceId";
-               public static final String RESOURCE_NAME = "resourceName";
-               public static final String RESOURCE_DESCRIPTION = 
"resourceDescription";
-               public static final String RESOURCE_SIZE = "resourceSize";
-        public static final String CREATION_TIME = "creationTime";
-        public static final String LAST_MODIFIED_TIME = "lastModifiedTime";
-       }
-
-       // Users table
-       public final class DataReplicaLocationConstants {
-        public static final String REPLICA_ID = "replicaId";
-        public static final String RESOURCE_ID = "resourceId";
-        public static final String DATA_LOCATIONS = "dataLocations";
-        public static final String REPLICA_NAME = "replicaName";
-        public static final String REPLICA_DESCRIPTION = "replicaDescription";
-        public static final String CREATION_TIME = "creationTime";
-        public static final String LAST_MODIFIED_TIME = "lastModifiedTime";
-       }
-}

http://git-wip-us.apache.org/repos/asf/airavata/blob/5881af94/modules/registry/registry-core/src/main/java/org/apache/airavata/registry/core/data/catalog/utils/DataCatalogJPAUtils.java
----------------------------------------------------------------------
diff --git 
a/modules/registry/registry-core/src/main/java/org/apache/airavata/registry/core/data/catalog/utils/DataCatalogJPAUtils.java
 
b/modules/registry/registry-core/src/main/java/org/apache/airavata/registry/core/data/catalog/utils/DataCatalogJPAUtils.java
deleted file mode 100644
index b8257cb..0000000
--- 
a/modules/registry/registry-core/src/main/java/org/apache/airavata/registry/core/data/catalog/utils/DataCatalogJPAUtils.java
+++ /dev/null
@@ -1,82 +0,0 @@
-/*
- *
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- *
- *   http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- * specific language governing permissions and limitations
- * under the License.
- *
- */
-
-package org.apache.airavata.registry.core.data.catalog.utils;
-
-import org.apache.airavata.common.exception.ApplicationSettingsException;
-import org.apache.airavata.common.utils.ServerSettings;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import javax.persistence.*;
-import java.util.HashMap;
-import java.util.Map;
-
-public class DataCatalogJPAUtils {
-    private final static Logger logger = 
LoggerFactory.getLogger(DataCatalogJPAUtils.class);
-
-    private static final String PERSISTENCE_UNIT_NAME = "datacatalog_data";
-    private static final String DATACATALOG_JDBC_DRIVER = 
"datacatalog.jdbc.driver";
-    private static final String DATACATALOG_JDBC_URL = "datacatalog.jdbc.url";
-    private static final String DATACATALOG_JDBC_USER = 
"datacatalog.jdbc.user";
-    private static final String DATACATALOG_JDBC_PWD = 
"datacatalog.jdbc.password";
-    private static final String DATACATALOG_VALIDATION_QUERY = 
"datacatalog.validationQuery";
-
-    @PersistenceUnit(unitName="datacatalog_data")
-    protected static EntityManagerFactory factory;
-
-    @PersistenceContext(unitName="datacatalog_data")
-    private static EntityManager dataCatEntityManager;
-
-    public static EntityManager getEntityManager() throws 
ApplicationSettingsException {
-        if (factory == null) {
-            String connectionProperties = "DriverClassName=" + 
readServerProperties(DATACATALOG_JDBC_DRIVER) + "," +
-                    "Url=" + readServerProperties(DATACATALOG_JDBC_URL) + 
"?autoReconnect=true," +
-                    "Username=" + readServerProperties(DATACATALOG_JDBC_USER) 
+ "," +
-                    "Password=" + readServerProperties(DATACATALOG_JDBC_PWD) +
-                    ",validationQuery=" + 
readServerProperties(DATACATALOG_VALIDATION_QUERY);
-            System.out.println(connectionProperties);
-            Map<String, String> properties = new HashMap<String, String>();
-            properties.put("openjpa.ConnectionDriverName", 
"org.apache.commons.dbcp.BasicDataSource");
-            properties.put("openjpa.ConnectionProperties", 
connectionProperties);
-            properties.put("openjpa.DynamicEnhancementAgent", "true");
-            properties.put("openjpa.RuntimeUnenhancedClasses", "unsupported");
-            properties.put("openjpa.RemoteCommitProvider","sjvm");
-            properties.put("openjpa.Log","DefaultLevel=INFO, Runtime=INFO, 
Tool=INFO, SQL=INFO");
-            properties.put("openjpa.jdbc.SynchronizeMappings", 
"buildSchema(ForeignKeys=true)");
-            properties.put("openjpa.jdbc.QuerySQLCache", "false");
-            properties.put("openjpa.ConnectionFactoryProperties", 
"PrettyPrint=true, PrettyPrintLineLength=72," +
-                    " PrintParameters=true, MaxActive=10, MaxIdle=5, 
MinIdle=2, MaxWait=31536000,  autoReconnect=true");
-            factory = 
Persistence.createEntityManagerFactory(PERSISTENCE_UNIT_NAME, properties);
-        }
-        dataCatEntityManager = factory.createEntityManager();
-        return dataCatEntityManager;
-    }
-
-    private static String readServerProperties (String propertyName) throws 
ApplicationSettingsException {
-        try {
-            return ServerSettings.getSetting(propertyName);
-        } catch (ApplicationSettingsException e) {
-            logger.error("Unable to read airavata-server.properties...", e);
-            throw new ApplicationSettingsException("Unable to read 
airavata-server.properties...");
-        }
-    }
-}

http://git-wip-us.apache.org/repos/asf/airavata/blob/5881af94/modules/registry/registry-core/src/main/java/org/apache/airavata/registry/core/data/catalog/utils/DataCatalogQueryGenerator.java
----------------------------------------------------------------------
diff --git 
a/modules/registry/registry-core/src/main/java/org/apache/airavata/registry/core/data/catalog/utils/DataCatalogQueryGenerator.java
 
b/modules/registry/registry-core/src/main/java/org/apache/airavata/registry/core/data/catalog/utils/DataCatalogQueryGenerator.java
deleted file mode 100644
index 4ddf8d3..0000000
--- 
a/modules/registry/registry-core/src/main/java/org/apache/airavata/registry/core/data/catalog/utils/DataCatalogQueryGenerator.java
+++ /dev/null
@@ -1,111 +0,0 @@
-/*
- *
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- *
- *   http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- * specific language governing permissions and limitations
- * under the License.
- *
- */
-
-package org.apache.airavata.registry.core.data.catalog.utils;
-
-import org.apache.airavata.registry.cpi.ResultOrderType;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import javax.persistence.EntityManager;
-import javax.persistence.Query;
-import java.util.HashMap;
-import java.util.Map;
-
-public class DataCatalogQueryGenerator {
-
-    private final static Logger logger = 
LoggerFactory.getLogger(DataCatalogQueryGenerator.class);
-       private String tableName;
-       private Map<String,Object> matches=new HashMap<String, Object>();
-       private static final String SELECT_OBJ="p";
-       private static final String DELETE_OBJ="p";
-       private static final String TABLE_OBJ="p";
-
-       public DataCatalogQueryGenerator(String tableName, Object[]... params) {
-               setTableName(tableName);
-               for (Object[] param : params) {
-                       addMatch(param[0].toString(), param[1]);
-               }
-       }
-       
-       public String getTableName() {
-               return tableName;
-       }
-
-    public void setTableName(String tableName) {
-               this.tableName = tableName;
-       }
-
-    public void addMatch(String colName, Object matchValue){
-               matches.put(colName, matchValue);
-       }
-       
-       public void setParameter(String colName, Object matchValue){
-               addMatch(colName, matchValue);
-       }
-
-    public Query selectQuery(EntityManager entityManager){
-        String queryString="SELECT "+ SELECT_OBJ + " FROM " +getTableName()+" 
"+TABLE_OBJ;
-        return generateQueryWithParameters(entityManager, queryString);
-    }
-
-    public Query selectQuery(EntityManager entityManager, String orderByColumn,
-                             ResultOrderType resultOrderType){
-        String order = (resultOrderType == ResultOrderType.ASC) ? "ASC" : 
"DESC";
-        String orderByClause = " ORDER BY " + SELECT_OBJ + "." + orderByColumn 
+ " " + order;
-        String queryString="SELECT "+ SELECT_OBJ + " FROM " +getTableName()+" 
"+TABLE_OBJ;
-        return generateQueryWithParameters(entityManager, queryString, 
orderByClause);
-    }
-
-       public Query deleteQuery(EntityManager entityManager){
-               String queryString="Delete FROM "+getTableName()+" "+TABLE_OBJ;
-               return generateQueryWithParameters(entityManager, queryString);
-       }
-
-       private Query generateQueryWithParameters(EntityManager entityManager, 
String queryString) {
-               return generateQueryWithParameters(entityManager, queryString, 
"");
-       }
-
-    private Query generateQueryWithParameters(EntityManager entityManager,
-                                              String queryString, String 
orderByClause) {
-        Map<String,Object> queryParameters=new HashMap<String, Object>();
-        if (matches.size()>0){
-            String matchString = "";
-            int paramCount=0;
-            for (String colName : matches.keySet()) {
-                String paramName="param"+paramCount;
-                queryParameters.put(paramName, matches.get(colName));
-                if (!matchString.equals("")){
-                    matchString+=" AND ";
-                }
-                matchString+=TABLE_OBJ+"."+colName+" =:"+paramName;
-                paramCount++;
-            }
-            queryString+=" WHERE "+matchString;
-        }
-        queryString += orderByClause;
-        Query query = entityManager.createQuery(queryString);
-        for (String paramName : queryParameters.keySet()) {
-            query.setParameter(paramName, queryParameters.get(paramName));
-        }
-        return query;
-    }
-}

http://git-wip-us.apache.org/repos/asf/airavata/blob/5881af94/modules/registry/registry-core/src/main/java/org/apache/airavata/registry/core/data/catalog/utils/ThriftDataModelConversion.java
----------------------------------------------------------------------
diff --git 
a/modules/registry/registry-core/src/main/java/org/apache/airavata/registry/core/data/catalog/utils/ThriftDataModelConversion.java
 
b/modules/registry/registry-core/src/main/java/org/apache/airavata/registry/core/data/catalog/utils/ThriftDataModelConversion.java
deleted file mode 100644
index 7658631..0000000
--- 
a/modules/registry/registry-core/src/main/java/org/apache/airavata/registry/core/data/catalog/utils/ThriftDataModelConversion.java
+++ /dev/null
@@ -1,213 +0,0 @@
-/*
-*
-* Licensed to the Apache Software Foundation (ASF) under one
-* or more contributor license agreements.  See the NOTICE file
-* distributed with this work for additional information
-* regarding copyright ownership.  The ASF licenses this file
-* to you under the Apache License, Version 2.0 (the
-* "License"); you may not use this file except in compliance
-* with the License.  You may obtain a copy of the License at
-*
-*   http://www.apache.org/licenses/LICENSE-2.0
-*
-* Unless required by applicable law or agreed to in writing,
-* software distributed under the License is distributed on an
-* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
-* KIND, either express or implied.  See the License for the
-* specific language governing permissions and limitations
-* under the License.
-*
-*/
-
-package org.apache.airavata.registry.core.data.catalog.utils;
-
-import org.apache.airavata.model.data.resource.*;
-import 
org.apache.airavata.registry.core.data.catalog.model.DataReplicaLocation;
-import 
org.apache.airavata.registry.core.data.catalog.model.DataReplicaMetaData;
-import org.apache.airavata.registry.core.data.catalog.model.DataResource;
-import 
org.apache.airavata.registry.core.data.catalog.model.DataResourceMetaData;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import java.sql.Timestamp;
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.HashMap;
-import java.util.Map;
-
-public class ThriftDataModelConversion {
-
-    private final static Logger logger = 
LoggerFactory.getLogger(ThriftDataModelConversion.class);
-
-    public static DataResourceModel getDataResourceModel(DataResource 
dataResource){
-        if (dataResource != null) {
-            DataResourceModel dataResourceModel = new DataResourceModel();
-            dataResourceModel.setResourceId(dataResource.getResourceId());
-            dataResourceModel.setGatewayId(dataResource.getGatewayId());
-            
dataResourceModel.setParentResourceId(dataResource.getParentResourceId());
-            dataResourceModel.setResourceName(dataResource.getResourceName());
-            if(dataResource.getDataResourceType() != null)
-                
dataResourceModel.setDataResourceType(DataResourceType.valueOf(dataResource.getDataResourceType()));
-            else
-                dataResourceModel.setDataResourceType(DataResourceType.FILE);
-            
dataResourceModel.setResourceDescription(dataResource.getResourceDescription());
-            dataResourceModel.setOwnerName(dataResource.getOwnerName());
-            dataResourceModel.setResourceSize(dataResource.getResourceSize());
-            if(dataResource.getCreationTime() != null)
-                
dataResourceModel.setCreationTime(dataResource.getCreationTime().getTime());
-            if(dataResource.getLastModifiedTime() != null)
-                
dataResourceModel.setLastModifiedTime(dataResource.getLastModifiedTime().getTime());
-            
dataResourceModel.setResourceMetadata(getResourceMetaData(dataResource.getDataResourceMetaData()));
-            if(dataResource.getDataReplicaLocations() != null){
-                ArrayList<DataReplicaLocationModel> dataReplicaLocationModels 
= new ArrayList<>();
-                
dataResource.getDataReplicaLocations().stream().forEach(r->dataReplicaLocationModels
-                        .add(getDataReplicaLocationModel(r)));
-                
dataResourceModel.setReplicaLocations(dataReplicaLocationModels);
-            }
-            
if(dataResourceModel.getDataResourceType().equals(DataResourceType.COLLECTION) 
&& dataResource.getChildDataResources() != null){
-                ArrayList<DataResourceModel> childDataResources = new 
ArrayList<>();
-                
dataResource.getChildDataResources().stream().forEach(r->childDataResources.add(getDataResourceModel(r)));
-                dataResourceModel.setChildResources(childDataResources);
-            }
-            return dataResourceModel;
-        }
-        return null;
-    }
-
-    public static DataResource getDataResource(DataResourceModel 
dataResourceModel){
-        if(dataResourceModel != null){
-            DataResource dataResource = new DataResource();
-            return getUpdatedDataResource(dataResourceModel, dataResource);
-        }
-        return null;
-    }
-
-    public static DataResource getUpdatedDataResource(DataResourceModel 
dataResourceModel, DataResource dataResource){
-        dataResource.setResourceId(dataResourceModel.getResourceId());
-        dataResource.setGatewayId(dataResourceModel.getGatewayId());
-        dataResource.setResourceName(dataResourceModel.getResourceName());
-        
dataResource.setParentResourceId(dataResourceModel.getParentResourceId());
-        if(dataResourceModel.getDataResourceType() != null)
-            
dataResource.setDataResourceType(dataResourceModel.getDataResourceType().toString());
-        else
-            dataResource.setDataResourceType(DataResourceType.FILE.toString());
-        
dataResource.setResourceDescription(dataResourceModel.getResourceDescription());
-        dataResource.setOwnerName(dataResourceModel.getOwnerName());
-        dataResource.setResourceSize(dataResourceModel.getResourceSize());
-        if(dataResourceModel.getCreationTime() > 0)
-            dataResource.setCreationTime(new 
Timestamp(dataResourceModel.getCreationTime()));
-        if(dataResourceModel.getLastModifiedTime() > 0)
-            dataResource.setLastModifiedTime(new 
Timestamp(dataResourceModel.getLastModifiedTime()));
-        ArrayList<DataResourceMetaData> dataResourceMetaData = new 
ArrayList<>();
-        if(dataResourceModel.getResourceMetadata() != null) {
-            
dataResourceModel.getResourceMetadata().keySet().stream().forEach(k -> {
-                String v = dataResourceModel.getResourceMetadata().get(k);
-                DataResourceMetaData temp = new DataResourceMetaData();
-                temp.setResourceId(dataResource.getResourceId());
-                temp.setKey(k);
-                temp.setValue(v);
-                dataResourceMetaData.add(temp);
-            });
-            dataResource.setDataResourceMetaData(dataResourceMetaData);
-        }
-        if(dataResourceModel.getReplicaLocations() != null){
-            ArrayList<DataReplicaLocation> dataReplicaLocations = new 
ArrayList<>();
-            dataResourceModel.getReplicaLocations().stream().forEach(r->{
-                DataReplicaLocation dataReplicaLocationModel = 
getDataReplicaLocation(r);
-                
dataReplicaLocationModel.setResourceId(dataResourceModel.getResourceId());
-                dataReplicaLocations.add(dataReplicaLocationModel);
-            });
-            dataResource.setDataReplicaLocations(dataReplicaLocations);
-        }
-        if(dataResourceModel.getDataResourceType() == 
DataResourceType.COLLECTION && dataResourceModel.getChildResources() != null){
-            ArrayList<DataResource> childDataResources = new ArrayList<>();
-            
dataResourceModel.getChildResources().stream().forEach(r->childDataResources.add(getDataResource(r)));
-            dataResource.setChildDataResources(childDataResources);
-        }
-        return dataResource;
-    }
-
-    public static DataReplicaLocationModel 
getDataReplicaLocationModel(DataReplicaLocation replicaLocation){
-        if (replicaLocation != null) {
-            DataReplicaLocationModel replicaLocationModel = new 
DataReplicaLocationModel();
-            replicaLocationModel.setReplicaId(replicaLocation.getReplicaId());
-            
replicaLocationModel.setResourceId(replicaLocation.getResourceId());
-            
replicaLocationModel.setReplicaName(replicaLocation.getReplicaName());
-            
replicaLocationModel.setReplicaDescription(replicaLocation.getReplicaDescription());
-            
replicaLocationModel.setStorageResourceId(replicaLocation.getStorageResourceId());
-            if(replicaLocation.getValidUntilTime() != null)
-                
replicaLocationModel.setValidUntilTime(replicaLocation.getValidUntilTime().getTime());
-            
replicaLocationModel.setFileAbsolutePath(replicaLocation.getFileAbsolutePath());
-            if(replicaLocation.getCreationTime() != null)
-                
replicaLocationModel.setCreationTime(replicaLocation.getCreationTime().getTime());
-            if(replicaLocation.getLastModifiedTime() != null)
-                
replicaLocationModel.setLastModifiedTime(replicaLocation.getLastModifiedTime().getTime());
-            if(replicaLocation.getReplicaLocationCategory() != null)
-                
replicaLocationModel.setReplicaLocationCategory(ReplicaLocationCategory.valueOf(replicaLocation
-                    .getReplicaLocationCategory().toString()));
-            if(replicaLocation.getReplicaPersistentType() != null)
-                
replicaLocationModel.setReplicaPersistentType(ReplicaPersistentType.valueOf(replicaLocation
-                    .getReplicaPersistentType().toString()));
-            
replicaLocationModel.setReplicaMetadata(getReplicaMetaData(replicaLocation.getDataReplicaMetaData()));
-            return replicaLocationModel;
-        }
-        return null;
-    }
-
-    public static DataReplicaLocation 
getDataReplicaLocation(DataReplicaLocationModel dataReplicaLocationModel){
-        if(dataReplicaLocationModel != null){
-            DataReplicaLocation dataReplicaLocation = new 
DataReplicaLocation();
-            return getUpdatedDataReplicaLocation(dataReplicaLocationModel, 
dataReplicaLocation);
-        }
-        return null;
-    }
-
-    public static DataReplicaLocation 
getUpdatedDataReplicaLocation(DataReplicaLocationModel dataReplicaLocationModel,
-                                                                    
DataReplicaLocation dataReplicaLocation){
-        
dataReplicaLocation.setReplicaId(dataReplicaLocationModel.getReplicaId());
-        
dataReplicaLocation.setResourceId(dataReplicaLocationModel.getResourceId());
-        
dataReplicaLocation.setReplicaName(dataReplicaLocationModel.getReplicaName());
-        
dataReplicaLocation.setReplicaDescription(dataReplicaLocationModel.getReplicaDescription());
-        
dataReplicaLocation.setStorageResourceId(dataReplicaLocationModel.getStorageResourceId());
-        
dataReplicaLocation.setFileAbsolutePath(dataReplicaLocationModel.getFileAbsolutePath());
-        if(dataReplicaLocationModel.getValidUntilTime() > 0)
-            dataReplicaLocation.setValidUntilTime(new 
Timestamp(dataReplicaLocationModel.getValidUntilTime()));
-        if(dataReplicaLocationModel.getCreationTime() > 0)
-            dataReplicaLocation.setCreationTime(new 
Timestamp(dataReplicaLocationModel.getCreationTime()));
-        if(dataReplicaLocationModel.getLastModifiedTime() > 0)
-            dataReplicaLocation.setLastModifiedTime(new 
Timestamp(dataReplicaLocationModel.getLastModifiedTime()));
-        if(dataReplicaLocationModel.getReplicaLocationCategory() != null)
-            
dataReplicaLocation.setReplicaLocationCategory(dataReplicaLocationModel.getReplicaLocationCategory().toString());
-        if(dataReplicaLocationModel.getReplicaPersistentType() != null)
-            
dataReplicaLocation.setReplicaPersistentType(dataReplicaLocationModel.getReplicaPersistentType().toString());
-        ArrayList<DataReplicaMetaData> dataReplicaMetadata = new ArrayList<>();
-        if(dataReplicaLocation.getDataReplicaMetaData() != null){
-            
dataReplicaLocationModel.getReplicaMetadata().keySet().stream().forEach(k -> {
-                String v = 
dataReplicaLocationModel.getReplicaMetadata().get(k);
-                DataReplicaMetaData temp = new DataReplicaMetaData();
-                temp.setReplicaId(dataReplicaLocationModel.getResourceId());
-                temp.setKey(k);
-                temp.setValue(v);
-                dataReplicaMetadata.add(temp);
-            });
-            dataReplicaLocation.setDataReplicaMetaData(dataReplicaMetadata);
-        }
-        return dataReplicaLocation;
-    }
-
-    public static Map<String, String> 
getResourceMetaData(Collection<DataResourceMetaData> dataResourceMetaData){
-        HashMap<String, String> metadata = new HashMap<>();
-        if(dataResourceMetaData!=null && !dataResourceMetaData.isEmpty()) {
-            dataResourceMetaData.stream().forEach(m -> 
metadata.put(m.getKey(),m.getValue()));
-        }
-        return metadata;
-    }
-
-    public static Map<String, String> 
getReplicaMetaData(Collection<DataReplicaMetaData> dataReplicaMetaData){
-        HashMap<String, String> metadata = new HashMap<>();
-        if(dataReplicaMetaData!=null && !dataReplicaMetaData.isEmpty()) {
-            dataReplicaMetaData.stream().forEach(m -> 
metadata.put(m.getKey(),m.getValue()));
-        }
-        return metadata;
-    }
-}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/airavata/blob/5881af94/modules/registry/registry-core/src/main/java/org/apache/airavata/registry/core/experiment/catalog/impl/RegistryFactory.java
----------------------------------------------------------------------
diff --git 
a/modules/registry/registry-core/src/main/java/org/apache/airavata/registry/core/experiment/catalog/impl/RegistryFactory.java
 
b/modules/registry/registry-core/src/main/java/org/apache/airavata/registry/core/experiment/catalog/impl/RegistryFactory.java
index 41a9f13..40cd4f9 100644
--- 
a/modules/registry/registry-core/src/main/java/org/apache/airavata/registry/core/experiment/catalog/impl/RegistryFactory.java
+++ 
b/modules/registry/registry-core/src/main/java/org/apache/airavata/registry/core/experiment/catalog/impl/RegistryFactory.java
@@ -24,7 +24,6 @@ package 
org.apache.airavata.registry.core.experiment.catalog.impl;
 import org.apache.airavata.common.exception.ApplicationSettingsException;
 import org.apache.airavata.common.utils.ServerSettings;
 import org.apache.airavata.registry.core.app.catalog.impl.AppCatalogImpl;
-import org.apache.airavata.registry.core.data.catalog.impl.DataCatalogImpl;
 import org.apache.airavata.registry.core.impl.RegistryImpl;
 import org.apache.airavata.registry.cpi.*;
 import org.slf4j.Logger;
@@ -33,7 +32,6 @@ import org.slf4j.LoggerFactory;
 public class RegistryFactory {
     private static ExperimentCatalog experimentCatalog;
     private static AppCatalog appCatalog;
-    private static DataCatalog replicaCatalog;
     private static Registry registry;
     private static Logger logger = 
LoggerFactory.getLogger(RegistryFactory.class);
 
@@ -100,19 +98,6 @@ public class RegistryFactory {
         return appCatalog;
     }
 
-    public static DataCatalog getDataCatalog() throws DataCatalogException {
-        try {
-            if (replicaCatalog == null) {
-                replicaCatalog = new DataCatalogImpl();
-            }
-        } catch (Exception e) {
-            logger.error("Unable to create data catalog instance", e);
-            throw new DataCatalogException(e);
-        }
-        return replicaCatalog;
-    }
-
-
     public static ExperimentCatalog getLoggingRegistry() {
         if(experimentCatalog == null) {
             experimentCatalog = new LoggingExperimentCatalogImpl();

http://git-wip-us.apache.org/repos/asf/airavata/blob/5881af94/modules/registry/registry-core/src/main/java/org/apache/airavata/registry/core/impl/RegistryImpl.java
----------------------------------------------------------------------
diff --git 
a/modules/registry/registry-core/src/main/java/org/apache/airavata/registry/core/impl/RegistryImpl.java
 
b/modules/registry/registry-core/src/main/java/org/apache/airavata/registry/core/impl/RegistryImpl.java
index 5207fee..87b178b 100644
--- 
a/modules/registry/registry-core/src/main/java/org/apache/airavata/registry/core/impl/RegistryImpl.java
+++ 
b/modules/registry/registry-core/src/main/java/org/apache/airavata/registry/core/impl/RegistryImpl.java
@@ -22,7 +22,6 @@
 package org.apache.airavata.registry.core.impl;
 
 import org.apache.airavata.registry.core.app.catalog.impl.AppCatalogImpl;
-import org.apache.airavata.registry.core.data.catalog.impl.DataCatalogImpl;
 import 
org.apache.airavata.registry.core.experiment.catalog.impl.ExperimentCatalogImpl;
 import org.apache.airavata.registry.cpi.*;
 
@@ -41,9 +40,4 @@ public class RegistryImpl implements Registry {
     public AppCatalog getAppCatalog() throws RegistryException {
         return new AppCatalogImpl();
     }
-
-    @Override
-    public DataCatalog getDataCatalog() throws RegistryException {
-        return new DataCatalogImpl();
-    }
 }

http://git-wip-us.apache.org/repos/asf/airavata/blob/5881af94/modules/registry/registry-core/src/main/resources/META-INF/persistence.xml
----------------------------------------------------------------------
diff --git 
a/modules/registry/registry-core/src/main/resources/META-INF/persistence.xml 
b/modules/registry/registry-core/src/main/resources/META-INF/persistence.xml
index da544c9..9f18c2a 100644
--- a/modules/registry/registry-core/src/main/resources/META-INF/persistence.xml
+++ b/modules/registry/registry-core/src/main/resources/META-INF/persistence.xml
@@ -95,13 +95,4 @@
         
<class>org.apache.airavata.registry.core.experiment.catalog.model.JobStatus</class>
         <exclude-unlisted-classes>true</exclude-unlisted-classes>
     </persistence-unit>
-    <persistence-unit name="datacatalog_data">
-        
<provider>org.apache.openjpa.persistence.PersistenceProviderImpl</provider>
-        
<class>org.apache.airavata.registry.core.data.catalog.model.DataResource</class>
-        
<class>org.apache.airavata.registry.core.data.catalog.model.DataReplicaLocation</class>
-        
<class>org.apache.airavata.registry.core.data.catalog.model.DataResourceMetaData</class>
-        
<class>org.apache.airavata.registry.core.data.catalog.model.DataReplicaMetaData</class>
-        
<class>org.apache.airavata.registry.core.data.catalog.model.Configuration</class>
-        <exclude-unlisted-classes>true</exclude-unlisted-classes>
-    </persistence-unit>
 </persistence>

http://git-wip-us.apache.org/repos/asf/airavata/blob/5881af94/modules/registry/registry-core/src/main/resources/datacatalog-derby.sql
----------------------------------------------------------------------
diff --git 
a/modules/registry/registry-core/src/main/resources/datacatalog-derby.sql 
b/modules/registry/registry-core/src/main/resources/datacatalog-derby.sql
deleted file mode 100644
index 2f39a54..0000000
--- a/modules/registry/registry-core/src/main/resources/datacatalog-derby.sql
+++ /dev/null
@@ -1,77 +0,0 @@
-/*
- *
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- *
- *   http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- * specific language governing permissions and limitations
- * under the License.
- *
- */
-
-CREATE TABLE DATA_RESOURCE
-(
-        RESOURCE_ID VARCHAR (255),
-        GATEWAY_ID VARCHAR (255),
-        RESOURCE_NAME VARCHAR (255),
-        RESOURCE_DESCRIPTION VARCHAR (1024),
-        PARENT_RESOURCE_ID VARCHAR (255),
-        OWNER_NAME VARCHAR (255),
-        RESOURCE_SIZE INTEGER ,
-        CREATION_TIME TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
-        LAST_MODIFIED_TIME TIMESTAMP DEFAULT '0000-00-00 00:00:00',
-        PRIMARY KEY (RESOURCE_ID)
-);
-
-CREATE TABLE DATA_REPLICA_LOCATION
-(
-        REPLICA_ID VARCHAR (255),
-        RESOURCE_ID VARCHAR (255) NOT NULL,
-        REPLICA_NAME VARCHAR (255),
-        REPLICA_DESCRIPTION VARCHAR (1024),
-        STORAGE_RESOURCE_ID VARCHAR (255),
-        FILE_ABSOLUTE_PATH VARCHAR (4096),
-        CREATION_TIME TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
-        LAST_MODIFIED_TIME TIMESTAMP DEFAULT '0000-00-00 00:00:00',
-        VALID_UNTIL_TIME TIMESTAMP DEFAULT '0000-00-00 00:00:00',
-        PRIMARY KEY (REPLICA_ID),
-        FOREIGN KEY (RESOURCE_ID) REFERENCES DATA_RESOURCE(RESOURCE_ID) ON 
DELETE CASCADE
-);
-
-CREATE TABLE DATA_RESOURCE_METADATA
-(
-        RESOURCE_ID VARCHAR(255),
-        METADATA_KEY VARCHAR(255),
-        METADATA_VALUE VARCHAR(2048),
-        PRIMARY KEY(RESOURCE_ID, METADATA_KEY),
-        FOREIGN KEY (RESOURCE_ID) REFERENCES DATA_RESOURCE(RESOURCE_ID) ON 
DELETE CASCADE
-);
-
-CREATE TABLE DATA_REPLICA_METADATA
-(
-        REPLICA_ID VARCHAR(255),
-        METADATA_KEY VARCHAR(255),
-        METADATA_VALUE VARCHAR(2048),
-        PRIMARY KEY(REPLICA_ID, METADATA_KEY),
-        FOREIGN KEY (REPLICA_ID) REFERENCES DATA_REPLICA_LOCATION(REPLICA_ID) 
ON DELETE CASCADE
-);
-
-
-CREATE TABLE CONFIGURATION
-(
-        CONFIG_KEY VARCHAR(255),
-        CONFIG_VAL VARCHAR(255),
-        PRIMARY KEY(CONFIG_KEY, CONFIG_VAL)
-);
-
-INSERT INTO CONFIGURATION (CONFIG_KEY, CONFIG_VAL) 
VALUES('data_catalog_version', '0.16');
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/airavata/blob/5881af94/modules/registry/registry-core/src/main/resources/datacatalog-mysql.sql
----------------------------------------------------------------------
diff --git 
a/modules/registry/registry-core/src/main/resources/datacatalog-mysql.sql 
b/modules/registry/registry-core/src/main/resources/datacatalog-mysql.sql
deleted file mode 100644
index 04b6715..0000000
--- a/modules/registry/registry-core/src/main/resources/datacatalog-mysql.sql
+++ /dev/null
@@ -1,76 +0,0 @@
-/*
- *
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- *
- *   http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- * specific language governing permissions and limitations
- * under the License.
- *
- */
-
-CREATE TABLE DATA_RESOURCE
-(
-        RESOURCE_ID VARCHAR (255),
-        GATEWAY_ID VARCHAR (255),
-        RESOURCE_NAME VARCHAR (255),
-        RESOURCE_DESCRIPTION VARCHAR (255),
-        OWNER_NAME VARCHAR (255),
-        PARENT_RESOURCE_ID VARCHAR (255),
-        RESOURCE_SIZE INT,
-        CREATION_TIME TIMESTAMP NULL DEFAULT '0000-00-00 00:00:00',
-        LAST_MODIFIED_TIME TIMESTAMP NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE 
CURRENT_TIMESTAMP,
-        PRIMARY KEY (RESOURCE_ID)
-);
-
-CREATE TABLE DATA_REPLICA_LOCATION
-(
-        REPLICA_ID VARCHAR (255),
-        RESOURCE_ID VARCHAR (255) NOT NULL,
-        REPLICA_NAME VARCHAR (255),
-        REPLICA_DESCRIPTION VARCHAR (255),
-        STORAGE_RESOURCE_ID VARCHAR (255),
-        FILE_ABSOLUTE_PATH VARCHAR (255),
-        CREATION_TIME TIMESTAMP NULL DEFAULT '0000-00-00 00:00:00',
-        LAST_MODIFIED_TIME TIMESTAMP NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE 
CURRENT_TIMESTAMP,
-        VALID_UNTIL_TIME TIMESTAMP NULL DEFAULT '0000-00-00 00:00:00',
-        PRIMARY KEY (REPLICA_ID),
-        FOREIGN KEY (RESOURCE_ID) REFERENCES DATA_RESOURCE(RESOURCE_ID) ON 
DELETE CASCADE
-);
-
-CREATE TABLE DATA_RESOURCE_METADATA
-(
-        RESOURCE_ID VARCHAR(255),
-        METADATA_KEY VARCHAR(255),
-        METADATA_VALUE VARCHAR(255),
-        PRIMARY KEY(RESOURCE_ID, METADATA_KEY),
-        FOREIGN KEY (RESOURCE_ID) REFERENCES DATA_RESOURCE(RESOURCE_ID) ON 
DELETE CASCADE
-);
-
-CREATE TABLE DATA_REPLICA_METADATA
-(
-        REPLICA_ID VARCHAR(255),
-        METADATA_KEY VARCHAR(255),
-        METADATA_VALUE VARCHAR(255),
-        PRIMARY KEY(REPLICA_ID, METADATA_KEY),
-        FOREIGN KEY (REPLICA_ID) REFERENCES DATA_REPLICA_LOCATION(REPLICA_ID) 
ON DELETE CASCADE
-);
-
-CREATE TABLE CONFIGURATION
-(
-        CONFIG_KEY VARCHAR(255),
-        CONFIG_VAL VARCHAR(255),
-        PRIMARY KEY(CONFIG_KEY, CONFIG_VAL)
-);
-
-INSERT INTO CONFIGURATION (CONFIG_KEY, CONFIG_VAL) 
VALUES('data_catalog_version', '0.16');
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/airavata/blob/5881af94/modules/registry/registry-core/src/test/java/org/apache/airavata/data/catalog/DataCatalogTest.java
----------------------------------------------------------------------
diff --git 
a/modules/registry/registry-core/src/test/java/org/apache/airavata/data/catalog/DataCatalogTest.java
 
b/modules/registry/registry-core/src/test/java/org/apache/airavata/data/catalog/DataCatalogTest.java
deleted file mode 100644
index b8cc159..0000000
--- 
a/modules/registry/registry-core/src/test/java/org/apache/airavata/data/catalog/DataCatalogTest.java
+++ /dev/null
@@ -1,219 +0,0 @@
-/*
- *
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- *
- *   http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- * specific language governing permissions and limitations
- * under the License.
- *
-*/
-package org.apache.airavata.data.catalog;
-
-import org.apache.airavata.data.catalog.util.Initialize;
-import org.apache.airavata.model.data.resource.*;
-import 
org.apache.airavata.registry.core.experiment.catalog.impl.RegistryFactory;
-import org.apache.airavata.registry.cpi.DataCatalog;
-import org.apache.airavata.registry.cpi.DataCatalogException;
-import org.junit.*;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import java.util.HashMap;
-import java.util.List;
-import java.util.UUID;
-
-public class DataCatalogTest {
-    private final static Logger logger = 
LoggerFactory.getLogger(DataCatalogTest.class);
-    private static Initialize initialize;
-    private static DataCatalog datacatalog;
-    private static DataResourceModel dataResourceModel;
-    private static DataReplicaLocationModel replicaLocationModel;
-
-    @BeforeClass
-    public static void setUp() {
-        try {
-            System.out.println("********** SET UP ************");
-            initialize = new Initialize("datacatalog-derby.sql");
-            initialize.initializeDB();
-            datacatalog = RegistryFactory.getDataCatalog();
-            dataResourceModel = new DataResourceModel();
-            dataResourceModel.setResourceName("test-file.txt");
-            HashMap<String, String> resMetadata = new HashMap<>();
-            resMetadata.put("name", "name");
-            dataResourceModel.setResourceMetadata(resMetadata);
-
-            replicaLocationModel = new DataReplicaLocationModel();
-            replicaLocationModel.setReplicaName("1-st-replica");
-            
replicaLocationModel.setReplicaLocationCategory(ReplicaLocationCategory.COMPUTE_RESOURCE);
-            
replicaLocationModel.setReplicaPersistentType(ReplicaPersistentType.PERSISTENT);
-            HashMap<String, String> rMetadata = new HashMap<>();
-            rMetadata.put("name", "name");
-            replicaLocationModel.setReplicaMetadata(rMetadata);
-            dataResourceModel.addToReplicaLocations(replicaLocationModel);
-        } catch (DataCatalogException e) {
-            logger.error(e.getMessage(), e);
-        }
-    }
-
-    @AfterClass
-    public static void tearDown() throws Exception {
-        System.out.println("********** TEAR DOWN ************");
-        initialize.stopDerbyServer();
-    }
-
-    @Test
-    public void testPublishDataResource(){
-        try {
-            String resourceId = 
datacatalog.registerResource(dataResourceModel);
-            org.junit.Assert.assertNotNull(resourceId);
-        } catch (DataCatalogException e) {
-            e.printStackTrace();
-            Assert.fail();
-        }
-    }
-
-    @Test
-    public void testRemoveDataResource(){
-        try {
-            boolean result = datacatalog.removeResource("234234234");
-            Assert.assertFalse(result);
-            String resourceId = 
datacatalog.registerResource(dataResourceModel);
-            Assert.assertNotNull(resourceId);
-            result = datacatalog.removeResource(resourceId);
-            Assert.assertTrue(result);
-            result = datacatalog.removeResource(resourceId);
-            Assert.assertFalse(result);
-        } catch (DataCatalogException e) {
-            e.printStackTrace();
-            Assert.fail();
-        }
-    }
-
-    @Test
-    public void testGetDataResource(){
-        try {
-            dataResourceModel.setDataResourceType(DataResourceType.COLLECTION);
-            String resourceId = 
datacatalog.registerResource(dataResourceModel);
-            Assert.assertNotNull(resourceId);
-            DataResourceModel persistedCopy = 
datacatalog.getResource(resourceId);
-            Assert.assertNotNull(persistedCopy);
-            dataResourceModel.setParentResourceId(resourceId);
-            dataResourceModel.setDataResourceType(DataResourceType.FILE);
-            datacatalog.registerResource(dataResourceModel);
-            datacatalog.registerResource(dataResourceModel);
-            persistedCopy = datacatalog.getResource(resourceId);
-            Assert.assertTrue(persistedCopy.getChildResources().size()==2);
-        } catch (DataCatalogException e) {
-            e.printStackTrace();
-            Assert.fail();
-        }
-    }
-
-    @Test
-    public void testUpdateDataResource(){
-        try {
-            dataResourceModel.setResourceId(UUID.randomUUID().toString());
-            boolean result = datacatalog.updateResource(dataResourceModel);
-            Assert.assertFalse(result);
-            datacatalog.registerResource(dataResourceModel);
-            dataResourceModel.setResourceName("updated-name");
-            datacatalog.updateResource(dataResourceModel);
-            dataResourceModel = 
datacatalog.getResource(dataResourceModel.getResourceId());
-            
Assert.assertTrue(dataResourceModel.getResourceName().equals("updated-name"));
-            
Assert.assertTrue(dataResourceModel.getResourceMetadata().size()==1);
-            dataResourceModel.getResourceMetadata().put("name2","name2");
-            datacatalog.updateResource(dataResourceModel);
-            dataResourceModel = 
datacatalog.getResource(dataResourceModel.getResourceId());
-            
Assert.assertTrue(dataResourceModel.getResourceMetadata().size()==2);
-        } catch (DataCatalogException e) {
-            e.printStackTrace();
-            Assert.fail();
-        }
-    }
-
-    @Test
-    public void testPublishReplicaLocation(){
-        try {
-            String resourceId = 
datacatalog.registerResource(dataResourceModel);
-            replicaLocationModel.setResourceId(resourceId);
-            String replicaId = 
datacatalog.registerReplicaLocation(replicaLocationModel);
-            Assert.assertNotNull(replicaId);;
-        } catch (DataCatalogException e) {
-            e.printStackTrace();
-            Assert.fail();
-        }
-    }
-
-    @Test
-    public void testRemoveReplicaLocation(){
-        try {
-            String resourceId = 
datacatalog.registerResource(dataResourceModel);
-            replicaLocationModel.setResourceId(resourceId);
-            String replicaId = 
datacatalog.registerReplicaLocation(replicaLocationModel);
-            boolean result = datacatalog.removeReplicaLocation(replicaId);
-            Assert.assertTrue(result);
-            result = 
datacatalog.removeReplicaLocation(replicaLocationModel.getReplicaId());
-            Assert.assertFalse(result);
-        } catch (DataCatalogException e) {
-            e.printStackTrace();
-            Assert.fail();
-        }
-    }
-
-    @Test
-    public void testGetReplicaLocation(){
-        try {
-            String resourceId = 
datacatalog.registerResource(dataResourceModel);
-            replicaLocationModel.setResourceId(resourceId);
-            String replicaId = 
datacatalog.registerReplicaLocation(replicaLocationModel);
-            DataReplicaLocationModel persistedCopy = 
datacatalog.getReplicaLocation(replicaId);
-            Assert.assertNotNull(persistedCopy);
-        } catch (DataCatalogException e) {
-            e.printStackTrace();
-            Assert.fail();
-        }
-    }
-
-    @Test
-    public void testUpdateReplicaLocation(){
-        try {
-            String resourceId = 
datacatalog.registerResource(dataResourceModel);
-            replicaLocationModel.setResourceId(resourceId);
-            String replicaId = 
datacatalog.registerReplicaLocation(replicaLocationModel);
-            DataReplicaLocationModel persistedCopy = 
datacatalog.getReplicaLocation(replicaId);
-            persistedCopy.setReplicaDescription("updated-description");
-            datacatalog.updateReplicaLocation(persistedCopy);
-            persistedCopy = datacatalog.getReplicaLocation(replicaId);
-            
Assert.assertTrue(persistedCopy.getReplicaDescription().equals("updated-description"));
-            Assert.assertEquals(persistedCopy.getReplicaLocationCategory(), 
replicaLocationModel.getReplicaLocationCategory());
-        } catch (DataCatalogException e) {
-            e.printStackTrace();
-            Assert.fail();
-        }
-    }
-
-    @Test
-    public void testGetAllReplicaLocations(){
-        try {
-            String resourceId = 
datacatalog.registerResource(dataResourceModel);
-            replicaLocationModel.setResourceId(resourceId);
-            datacatalog.registerReplicaLocation(replicaLocationModel);
-            List<DataReplicaLocationModel> replicaLocationModelList = 
datacatalog.getAllReplicaLocations(resourceId);
-            
Assert.assertNotNull(replicaLocationModelList.get(0).getReplicaId());
-        } catch (DataCatalogException e) {
-            e.printStackTrace();
-            Assert.fail();
-        }
-    }
-}
\ No newline at end of file

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