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From chath...@apache.org
Subject [10/25] airavata git commit: rename airavata-jpa-registry module to experiment-catalog
Date Tue, 02 Jun 2015 20:41:06 GMT
http://git-wip-us.apache.org/repos/asf/airavata/blob/22bcbb40/modules/registry/experiment-catalog/src/main/java/org/apache/airavata/experiment/catalog/impl/GatewayRegistry.java
----------------------------------------------------------------------
diff --git a/modules/registry/experiment-catalog/src/main/java/org/apache/airavata/experiment/catalog/impl/GatewayRegistry.java b/modules/registry/experiment-catalog/src/main/java/org/apache/airavata/experiment/catalog/impl/GatewayRegistry.java
new file mode 100644
index 0000000..a98de72
--- /dev/null
+++ b/modules/registry/experiment-catalog/src/main/java/org/apache/airavata/experiment/catalog/impl/GatewayRegistry.java
@@ -0,0 +1,115 @@
+/*
+ *
+ * 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.experiment.catalog.impl;
+
+import org.apache.airavata.common.exception.ApplicationSettingsException;
+import org.apache.airavata.common.utils.ServerSettings;
+import org.apache.airavata.model.workspace.Gateway;
+import org.apache.airavata.experiment.catalog.Resource;
+import org.apache.airavata.experiment.catalog.ResourceUtils;
+import org.apache.airavata.experiment.catalog.resources.GatewayResource;
+import org.apache.airavata.experiment.catalog.utils.ThriftDataModelConversion;
+import org.apache.airavata.registry.cpi.RegistryException;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class GatewayRegistry {
+
+    private final static Logger logger = LoggerFactory.getLogger(GatewayRegistry.class);
+    public GatewayResource getDefaultGateway () throws ApplicationSettingsException, RegistryException {
+        return (GatewayResource)ResourceUtils.getGateway(ServerSettings.getDefaultUserGateway());
+    }
+
+    public GatewayResource getExistingGateway (String gatewayName) throws RegistryException {
+        return (GatewayResource)ResourceUtils.getGateway(gatewayName);
+    }
+
+    public String addGateway (Gateway gateway) throws RegistryException{
+        try {
+            GatewayResource resource = (GatewayResource)ResourceUtils.createGateway(gateway.getGatewayId());
+            resource.setGatewayName(gateway.getGatewayName());
+            resource.setEmailAddress(gateway.getEmailAddress());
+            resource.setDomain(gateway.getDomain());
+            resource.save();
+            return gateway.getGatewayId();
+        }catch (RegistryException e){
+            logger.error("Error while saving gateway to registry", e);
+            throw new RegistryException(e);
+        }
+    }
+
+    public void updateGateway (String gatewayId, Gateway updatedGateway) throws RegistryException{
+        try {
+            GatewayResource existingGateway = (GatewayResource)ResourceUtils.getGateway(gatewayId);
+            existingGateway.setGatewayName(updatedGateway.getGatewayName());
+            existingGateway.setEmailAddress(updatedGateway.getEmailAddress());
+            existingGateway.setDomain(updatedGateway.getDomain());
+            existingGateway.save();
+        }catch (RegistryException e){
+            logger.error("Error while updating gateway to registry", e);
+            throw new RegistryException(e);
+        }
+    }
+
+    public Gateway getGateway (String gatewayId) throws RegistryException{
+        try {
+            GatewayResource resource = (GatewayResource)ResourceUtils.getGateway(gatewayId);
+            return ThriftDataModelConversion.getGateway(resource);
+        }catch (RegistryException e){
+            logger.error("Error while getting gateway", e);
+            throw new RegistryException(e);
+        }
+    }
+
+    public boolean isGatewayExist (String gatewayId) throws RegistryException{
+        try {
+            return ResourceUtils.isGatewayExist(gatewayId);
+        }catch (RegistryException e){
+            logger.error("Error while checking gateway exists", e);
+            throw new RegistryException(e);
+        }
+    }
+
+    public boolean removeGateway (String gatewayId) throws RegistryException{
+        try {
+            return ResourceUtils.removeGateway(gatewayId);
+        }catch (Exception e){
+            logger.error("Error while removing the gateway", e);
+            throw new RegistryException(e);
+        }
+    }
+
+    public List<Gateway> getAllGateways () throws RegistryException {
+        List<Gateway> gatewayList = new ArrayList<Gateway>();
+        try {
+            List<Resource> allGateways = ResourceUtils.getAllGateways();
+            return ThriftDataModelConversion.getAllGateways(allGateways);
+        }catch (Exception e){
+            logger.error("Error while getting all the gateways", e);
+            throw new RegistryException(e);
+        }
+    }
+
+}

http://git-wip-us.apache.org/repos/asf/airavata/blob/22bcbb40/modules/registry/experiment-catalog/src/main/java/org/apache/airavata/experiment/catalog/impl/LoggingRegistryImpl.java
----------------------------------------------------------------------
diff --git a/modules/registry/experiment-catalog/src/main/java/org/apache/airavata/experiment/catalog/impl/LoggingRegistryImpl.java b/modules/registry/experiment-catalog/src/main/java/org/apache/airavata/experiment/catalog/impl/LoggingRegistryImpl.java
new file mode 100644
index 0000000..d4b735a
--- /dev/null
+++ b/modules/registry/experiment-catalog/src/main/java/org/apache/airavata/experiment/catalog/impl/LoggingRegistryImpl.java
@@ -0,0 +1,97 @@
+/*
+ *
+ * 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.experiment.catalog.impl;
+
+import org.apache.airavata.registry.cpi.*;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.List;
+import java.util.Map;
+
+public class LoggingRegistryImpl implements Registry {
+    private final static Logger logger = LoggerFactory.getLogger(LoggingRegistryImpl.class);
+
+    @Override
+    public Object add(ParentDataType dataType, Object newObjectToAdd, String gatewayId) throws RegistryException {
+        return null;
+    }
+
+    @Override
+    public Object add(ChildDataType dataType, Object newObjectToAdd, Object dependentIdentifiers) throws RegistryException {
+        return null;
+    }
+
+    @Override
+    public void update(RegistryModelType dataType, Object newObjectToUpdate, Object identifier) throws RegistryException {
+
+    }
+
+    @Override
+    public void update(RegistryModelType dataType, Object identifier, String fieldName, Object value) throws RegistryException {
+
+    }
+
+    @Override
+    public Object get(RegistryModelType dataType, Object identifier) throws RegistryException {
+        return null;
+    }
+
+    @Override
+    public List<Object> get(RegistryModelType dataType, String fieldName, Object value) throws RegistryException {
+        return null;
+    }
+
+    @Override
+    public List<Object> get(RegistryModelType dataType, String fieldName, Object value, int limit, int offset, Object orderByIdentifier, ResultOrderType resultOrderType) throws RegistryException {
+        return null;
+    }
+
+    @Override
+    public List<Object> search(RegistryModelType dataType, Map<String, String> filters) throws RegistryException {
+        return null;
+    }
+
+    @Override
+    public List<Object> search(RegistryModelType dataType, Map<String, String> filters, int limit, int offset, Object orderByIdentifier, ResultOrderType resultOrderType) throws RegistryException {
+        return null;
+    }
+
+    @Override
+    public Object getValue(RegistryModelType dataType, Object identifier, String field) throws RegistryException {
+        return null;
+    }
+
+    @Override
+    public List<String> getIds(RegistryModelType dataType, String fieldName, Object value) throws RegistryException {
+        return null;
+    }
+
+    @Override
+    public void remove(RegistryModelType dataType, Object identifier) throws RegistryException {
+
+    }
+
+    @Override
+    public boolean isExist(RegistryModelType dataType, Object identifier) throws RegistryException {
+        return false;
+    }
+}

http://git-wip-us.apache.org/repos/asf/airavata/blob/22bcbb40/modules/registry/experiment-catalog/src/main/java/org/apache/airavata/experiment/catalog/impl/ProjectRegistry.java
----------------------------------------------------------------------
diff --git a/modules/registry/experiment-catalog/src/main/java/org/apache/airavata/experiment/catalog/impl/ProjectRegistry.java b/modules/registry/experiment-catalog/src/main/java/org/apache/airavata/experiment/catalog/impl/ProjectRegistry.java
new file mode 100644
index 0000000..52a9ee4
--- /dev/null
+++ b/modules/registry/experiment-catalog/src/main/java/org/apache/airavata/experiment/catalog/impl/ProjectRegistry.java
@@ -0,0 +1,303 @@
+/*
+ *
+ * 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.experiment.catalog.impl;
+
+import org.apache.airavata.common.utils.AiravataUtils;
+import org.apache.airavata.model.workspace.Project;
+import org.apache.airavata.experiment.catalog.ResourceType;
+import org.apache.airavata.experiment.catalog.ResourceUtils;
+import org.apache.airavata.experiment.catalog.resources.*;
+import org.apache.airavata.experiment.catalog.utils.ThriftDataModelConversion;
+import org.apache.airavata.registry.cpi.RegistryException;
+import org.apache.airavata.registry.cpi.ResultOrderType;
+import org.apache.airavata.registry.cpi.utils.Constants;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.*;
+
+public class ProjectRegistry {
+    private GatewayResource gatewayResource;
+    private WorkerResource workerResource;
+    private final static Logger logger = LoggerFactory.getLogger(ProjectRegistry.class);
+
+    public ProjectRegistry(GatewayResource gatewayResource, UserResource user) throws RegistryException {
+        if (!ResourceUtils.isGatewayExist(gatewayResource.getGatewayId())){
+            this.gatewayResource = gatewayResource;
+        }else {
+            this.gatewayResource = (GatewayResource)ResourceUtils.getGateway(gatewayResource.getGatewayId());
+        }
+        if (!gatewayResource.isExists(ResourceType.GATEWAY_WORKER, user.getUserName())){
+            workerResource = ResourceUtils.addGatewayWorker(gatewayResource, user);
+        }else {
+            workerResource = (WorkerResource)ResourceUtils.getWorker(gatewayResource.getGatewayId(),
+                    user.getUserName());
+        }
+    }
+
+    public String addProject (Project project, String gatewayId) throws RegistryException{
+        String projectId;
+        try {
+            if (!ResourceUtils.isUserExist(project.getOwner())){
+                ResourceUtils.addUser(project.getOwner(), null);
+            }
+            ProjectResource projectResource = new ProjectResource();
+            projectId = getProjectId(project.getName());
+            projectResource.setId(projectId);
+            project.setProjectID(projectId);
+            projectResource.setName(project.getName());
+            projectResource.setDescription(project.getDescription());
+            projectResource.setCreationTime(AiravataUtils.getTime(project.getCreationTime()));
+            projectResource.setGatewayId(gatewayId);
+            WorkerResource worker = new WorkerResource(project.getOwner(), gatewayId);
+            projectResource.setWorker(worker);
+            projectResource.save();
+            ProjectUserResource resource = (ProjectUserResource)projectResource.create(
+                    ResourceType.PROJECT_USER);
+            resource.setProjectId(project.getProjectID());
+            resource.setUserName(project.getOwner());
+            resource.save();
+            List<String> sharedGroups = project.getSharedGroups();
+            if (sharedGroups != null && !sharedGroups.isEmpty()){
+                for (String group : sharedGroups){
+                    //TODO - add shared groups
+                    logger.info("Groups are not supported at the moment...");
+                }
+            }
+
+            List<String> sharedUsers = project.getSharedUsers();
+            if (sharedUsers != null && !sharedUsers.isEmpty()){
+                for (String username : sharedUsers){
+                    ProjectUserResource pr = (ProjectUserResource)projectResource.
+                            create(ResourceType.PROJECT_USER);
+                    pr.setUserName(username);
+                    pr.save();
+                }
+            }
+        }catch (Exception e){
+            logger.error("Error while saving project to registry", e);
+           throw new RegistryException(e);
+        }
+        return projectId;
+    }
+
+    private String getProjectId (String projectName){
+        String pro = projectName.replaceAll("\\s", "");
+        return pro + "_" + UUID.randomUUID();
+    }
+
+    public void updateProject (Project project, String projectId) throws RegistryException{
+        try {
+            ProjectResource existingProject = workerResource.getProject(projectId);
+            existingProject.setDescription(project.getDescription());
+            existingProject.setName(project.getName());
+//            existingProject.setGateway(gatewayResource);
+            UserResource user = (UserResource)ResourceUtils.getUser(project.getOwner());
+            if (!gatewayResource.isExists(ResourceType.GATEWAY_WORKER, user.getUserName())){
+                workerResource = ResourceUtils.addGatewayWorker(gatewayResource, user);
+            }else {
+                workerResource = (WorkerResource)ResourceUtils.getWorker(
+                        gatewayResource.getGatewayName(), user.getUserName());
+            }
+            WorkerResource worker = new WorkerResource(project.getOwner(), gatewayResource.getGatewayId());
+            existingProject.setWorker(worker);
+            existingProject.save();
+            ProjectUserResource resource = (ProjectUserResource)existingProject.create(
+                    ResourceType.PROJECT_USER);
+            resource.setProjectId(projectId);
+            resource.setUserName(project.getOwner());
+            resource.save();
+            List<String> sharedGroups = project.getSharedGroups();
+            if (sharedGroups != null && !sharedGroups.isEmpty()){
+                for (String group : sharedGroups){
+                    //TODO - add shared groups
+                    logger.info("Groups are not supported at the moment...");
+                }
+            }
+
+            List<String> sharedUsers = project.getSharedUsers();
+            if (sharedUsers != null && !sharedUsers.isEmpty()){
+                for (String username : sharedUsers){
+                    ProjectUserResource pr = (ProjectUserResource)existingProject.create(
+                            ResourceType.PROJECT_USER);
+                    pr.setUserName(username);
+                    pr.save();
+                }
+            }
+        }catch (Exception e){
+            logger.error("Error while saving project to registry", e);
+           throw new RegistryException(e);
+        }
+    }
+
+    public Project getProject (String projectId) throws RegistryException{
+        try {
+            ProjectResource project = workerResource.getProject(projectId);
+            if (project != null){
+                return ThriftDataModelConversion.getProject(project);
+            }
+        }catch (Exception e){
+            logger.error("Error while retrieving project from registry", e);
+           throw new RegistryException(e);
+        }
+        return null;
+    }
+
+    /**
+     * Get list of projects of the user
+     * @param fieldName
+     * @param value
+     * @return
+     * @throws RegistryException
+     */
+    public List<Project> getProjectList (String fieldName, Object value) throws RegistryException{
+        return getProjectList(fieldName, value, -1, -1, null, null);
+    }
+
+    /**
+     * Get projects list with pagination and result ordering
+     * @param fieldName
+     * @param value
+     * @param limit
+     * @param offset
+     * @param orderByIdentifier
+     * @param resultOrderType
+     * @return
+     * @throws RegistryException
+     */
+    public List<Project> getProjectList (String fieldName, Object value, int limit, int offset,
+                                         Object orderByIdentifier, ResultOrderType resultOrderType) throws RegistryException{
+        List<Project> projects = new ArrayList<Project>();
+        try {
+            if (fieldName.equals(Constants.FieldConstants.ProjectConstants.OWNER)){
+                workerResource.setUser((String)value);
+                List<ProjectResource> projectList = workerResource.getProjects();
+                if (projectList != null && !projectList.isEmpty()){
+                    for (ProjectResource pr : projectList){
+                        projects.add(ThriftDataModelConversion.getProject(pr));
+                    }
+                }
+                return projects;
+            }
+        }catch (Exception e){
+            logger.error("Error while retrieving project from registry", e);
+            throw new RegistryException(e);
+        }
+        return projects;
+    }
+
+    /**
+     * To search projects of user with the given filter criteria. All the matching results will be sent.
+     * Results are not ordered in any order
+     * @param filters
+     * @return
+     * @throws RegistryException
+     */
+    public List<Project> searchProjects (Map<String, String> filters) throws RegistryException{
+        return searchProjects(filters, -1, -1, null, null);
+    }
+
+    /**
+     * To search the projects of user with the given filter criteria and retrieve the results with
+     * pagination support. Results can be ordered based on an identifier (i.e column) either ASC or
+     * DESC.
+     *
+     * @param filters
+     * @param limit
+     * @param offset
+     * @param orderByIdentifier
+     * @param resultOrderType
+     * @return
+     * @throws RegistryException
+     */
+    public List<Project> searchProjects(Map<String, String> filters, int limit,
+            int offset, Object orderByIdentifier, ResultOrderType resultOrderType) throws RegistryException {
+        Map<String, String> fil = new HashMap<String, String>();
+        if (filters != null && filters.size() != 0){
+            List<Project> projects = new ArrayList<Project>();
+            try {
+                for (String field : filters.keySet()){
+                    if (field.equals(Constants.FieldConstants.ProjectConstants.PROJECT_NAME)){
+                        fil.put(AbstractResource.ProjectConstants.PROJECT_NAME, filters.get(field));
+                    }else if (field.equals(Constants.FieldConstants.ProjectConstants.OWNER)){
+                        fil.put(AbstractResource.ProjectConstants.USERNAME, filters.get(field));
+                    }else if (field.equals(Constants.FieldConstants.ProjectConstants.DESCRIPTION)){
+                        fil.put(AbstractResource.ProjectConstants.DESCRIPTION, filters.get(field));
+                    }else if (field.equals(Constants.FieldConstants.ProjectConstants.GATEWAY_ID)){
+                        fil.put(AbstractResource.ProjectConstants.GATEWAY_ID, filters.get(field));
+                    }
+                }
+                List<ProjectResource> projectResources = workerResource
+                        .searchProjects(fil, limit, offset, orderByIdentifier, resultOrderType);
+                if (projectResources != null && !projectResources.isEmpty()){
+                    for (ProjectResource pr : projectResources){
+                        projects.add(ThriftDataModelConversion.getProject(pr));
+                    }
+                }
+                return projects;
+            }catch (Exception e){
+                logger.error("Error while retrieving project from registry", e);
+                throw new RegistryException(e);
+            }
+        }
+        return null;
+    }
+
+    public List<String> getProjectIDs (String fieldName, Object value) throws RegistryException{
+        List<String> projectIds = new ArrayList<String>();
+        try {
+            if (fieldName.equals(Constants.FieldConstants.ProjectConstants.OWNER)){
+                workerResource.setUser((String)value);
+                List<ProjectResource> projectList = workerResource.getProjects();
+                if (projectList != null && !projectList.isEmpty()){
+                    for (ProjectResource pr : projectList){
+                        projectIds.add(pr.getName());
+                    }
+                }
+                return projectIds;
+            }
+        }catch (Exception e){
+            logger.error("Error while retrieving projects from registry", e);
+           throw new RegistryException(e);
+        }
+        return projectIds;
+    }
+
+    public void removeProject (String projectId) throws RegistryException {
+        try {
+            workerResource.removeProject(projectId);
+        } catch (Exception e) {
+            logger.error("Error while removing the project..", e);
+           throw new RegistryException(e);
+        }
+    }
+
+    public boolean isProjectExist(String projectId) throws RegistryException {
+        try {
+            return workerResource.isProjectExists(projectId);
+        } catch (Exception e) {
+            logger.error("Error while retrieving project...", e);
+           throw new RegistryException(e);
+        }
+    }
+
+}

http://git-wip-us.apache.org/repos/asf/airavata/blob/22bcbb40/modules/registry/experiment-catalog/src/main/java/org/apache/airavata/experiment/catalog/impl/RegistryFactory.java
----------------------------------------------------------------------
diff --git a/modules/registry/experiment-catalog/src/main/java/org/apache/airavata/experiment/catalog/impl/RegistryFactory.java b/modules/registry/experiment-catalog/src/main/java/org/apache/airavata/experiment/catalog/impl/RegistryFactory.java
new file mode 100644
index 0000000..80eb09c
--- /dev/null
+++ b/modules/registry/experiment-catalog/src/main/java/org/apache/airavata/experiment/catalog/impl/RegistryFactory.java
@@ -0,0 +1,80 @@
+/*
+ *
+ * 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.experiment.catalog.impl;
+
+import org.apache.airavata.common.exception.ApplicationSettingsException;
+import org.apache.airavata.common.utils.ServerSettings;
+import org.apache.airavata.registry.cpi.Registry;
+import org.apache.airavata.registry.cpi.RegistryException;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class RegistryFactory {
+    private static Registry registry;
+    private static Logger logger = LoggerFactory.getLogger(RegistryFactory.class);
+
+    public static Registry getRegistry(String gateway, String username, String password) throws RegistryException {
+        try {
+            if (registry == null) {
+                registry = new RegistryImpl(gateway, username, password);
+            }
+        } catch (RegistryException e) {
+            logger.error("Unable to create registry instance", e);
+            throw new RegistryException(e);
+        }
+        return registry;
+    }
+
+    public static Registry getRegistry(String gateway) throws RegistryException {
+        try {
+            if (registry == null) {
+                registry = new RegistryImpl(gateway, ServerSettings.getDefaultUser(), ServerSettings.getDefaultUserPassword());
+            }
+        } catch (RegistryException e) {
+            logger.error("Unable to create registry instance", e);
+            throw new RegistryException(e);
+        } catch (ApplicationSettingsException e) {
+            logger.error("Unable to create registry instance", e);
+            throw new RegistryException(e);
+        }
+        return registry;
+    }
+
+    public static Registry getDefaultRegistry () throws RegistryException {
+        try {
+            if (registry == null) {
+                registry = new RegistryImpl();
+            }
+        } catch (RegistryException e) {
+            logger.error("Unable to create registry instance", e);
+            throw new RegistryException(e);
+        }
+        return registry;
+    }
+
+    public static Registry getLoggingRegistry() {
+        if(registry == null) {
+            registry = new LoggingRegistryImpl();
+        }
+        return registry;
+    }
+}

http://git-wip-us.apache.org/repos/asf/airavata/blob/22bcbb40/modules/registry/experiment-catalog/src/main/java/org/apache/airavata/experiment/catalog/impl/RegistryImpl.java
----------------------------------------------------------------------
diff --git a/modules/registry/experiment-catalog/src/main/java/org/apache/airavata/experiment/catalog/impl/RegistryImpl.java b/modules/registry/experiment-catalog/src/main/java/org/apache/airavata/experiment/catalog/impl/RegistryImpl.java
new file mode 100644
index 0000000..3cee954
--- /dev/null
+++ b/modules/registry/experiment-catalog/src/main/java/org/apache/airavata/experiment/catalog/impl/RegistryImpl.java
@@ -0,0 +1,735 @@
+/*
+ *
+ * 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.experiment.catalog.impl;
+
+import org.apache.airavata.common.exception.ApplicationSettingsException;
+import org.apache.airavata.common.utils.ServerSettings;
+import org.apache.airavata.model.appcatalog.appinterface.OutputDataObjectType;
+import org.apache.airavata.model.workspace.Gateway;
+import org.apache.airavata.model.workspace.Project;
+import org.apache.airavata.model.workspace.experiment.*;
+import org.apache.airavata.experiment.catalog.ResourceUtils;
+import org.apache.airavata.experiment.catalog.resources.GatewayResource;
+import org.apache.airavata.experiment.catalog.resources.UserResource;
+import org.apache.airavata.registry.cpi.*;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+
+public class RegistryImpl implements Registry {
+    private GatewayResource gatewayResource;
+    private UserResource user;
+    private final static Logger logger = LoggerFactory.getLogger(RegistryImpl.class);
+    private ExperimentRegistry experimentRegistry = null;
+    private ProjectRegistry projectRegistry = null;
+    private GatewayRegistry gatewayRegistry = null;
+
+    public RegistryImpl() throws RegistryException{
+        try {
+            if (!ResourceUtils.isGatewayExist(ServerSettings.getDefaultUserGateway())){
+                gatewayResource = (GatewayResource) ResourceUtils.createGateway(ServerSettings.getDefaultUserGateway());
+                gatewayResource.setGatewayName(ServerSettings.getDefaultUserGateway());
+                gatewayResource.save();
+            }else {
+                gatewayResource = (GatewayResource)ResourceUtils.getGateway(ServerSettings.getDefaultUserGateway());
+            }
+
+            if (!ResourceUtils.isUserExist(ServerSettings.getDefaultUser())){
+                user = ResourceUtils.createUser(ServerSettings.getDefaultUser(), ServerSettings.getDefaultUserPassword());
+                user.save();
+            }else {
+                user = (UserResource)ResourceUtils.getUser(ServerSettings.getDefaultUser());
+            }
+            experimentRegistry = new ExperimentRegistry(gatewayResource, user);
+            projectRegistry = new ProjectRegistry(gatewayResource, user);
+            gatewayRegistry = new GatewayRegistry();
+        } catch (ApplicationSettingsException e) {
+            logger.error("Unable to read airavata server properties..", e);
+            throw new RegistryException("Unable to read airavata server properties..", e);
+        }
+    }
+
+    public RegistryImpl(String gateway, String username, String password) throws RegistryException{
+        if (!ResourceUtils.isGatewayExist(gateway)){
+            gatewayResource = (GatewayResource) ResourceUtils.createGateway(gateway);
+            gatewayResource.save();
+        }else {
+            gatewayResource = (GatewayResource)ResourceUtils.getGateway(gateway);
+        }
+
+        if (!ResourceUtils.isUserExist(username)){
+            user = ResourceUtils.createUser(username, password);
+            user.save();
+        }else {
+            user = (UserResource)ResourceUtils.getUser(username);
+        }
+        experimentRegistry = new ExperimentRegistry(gatewayResource, user);
+        projectRegistry = new ProjectRegistry(gatewayResource, user);
+    }
+
+    /**
+     * This method is to add an object in to the registry
+     *
+     * @param dataType       Data type is a predefined type which the programmer should choose according to the object he
+     *                       is going to save in to registry
+     * @param newObjectToAdd Object which contains the fields that need to be saved in to registry. This object is a
+     *                       thrift model object. In experiment case this object can be BasicMetadata, ConfigurationData
+     *                       etc
+     * @return return the identifier to identify the object
+     */
+    @Override
+    public Object add(ParentDataType dataType, Object newObjectToAdd, String gatewayId) throws RegistryException {
+        try {
+            switch (dataType) {
+                case PROJECT:
+                    return projectRegistry.addProject((Project)newObjectToAdd, gatewayId);
+                case EXPERIMENT:
+                    return experimentRegistry.addExperiment((Experiment) newObjectToAdd, gatewayId);
+                case GATEWAY:
+                    return gatewayRegistry.addGateway((Gateway)newObjectToAdd);
+                default:
+                    logger.error("Unsupported top level type..", new UnsupportedOperationException());
+                    throw new UnsupportedOperationException();
+            }
+        } catch (Exception e) {
+            logger.error("Error while adding the resource " + dataType.toString(), new RegistryException(e));
+            throw new RegistryException("Error while adding the resource " + dataType.toString(), e);
+        }
+    }
+
+    /**
+     * This method is to add an object in to the registry
+     *
+     * @param dataType            Data type is a predefined type which the programmer should choose according to the object he
+     *                            is going to save in to registry
+     * @param newObjectToAdd      Object which contains the fields that need to be saved in to registry. This object is a
+     *                            thrift model object. In experiment case this object can be BasicMetadata, ConfigurationData
+     *                            etc
+     * @param dependentIdentifier Object which contains the identifier if the object that is going to add is not a top
+     *                            level object in the data model. If it is a top level object, programmer can pass it as
+     *                            null
+     */
+    @Override
+    public Object add(ChildDataType dataType, Object newObjectToAdd, Object dependentIdentifier) throws RegistryException {
+        try {
+            switch (dataType) {
+                case EXPERIMENT_CONFIGURATION_DATA:
+                    return experimentRegistry.addUserConfigData((UserConfigurationData) newObjectToAdd, (String) dependentIdentifier);
+                case EXPERIMENT_OUTPUT:
+                    return experimentRegistry.addExpOutputs((List<OutputDataObjectType>) newObjectToAdd, (String) dependentIdentifier);
+                case EXPERIMENT_STATUS:
+                    return experimentRegistry.updateExperimentStatus((ExperimentStatus) newObjectToAdd, (String) dependentIdentifier);
+                case WORKFLOW_NODE_DETAIL:
+                    return experimentRegistry.addWorkflowNodeDetails((WorkflowNodeDetails) newObjectToAdd, (String) dependentIdentifier);
+                case WORKFLOW_NODE_STATUS:
+                    return experimentRegistry.addWorkflowNodeStatus((WorkflowNodeStatus) newObjectToAdd, (CompositeIdentifier) dependentIdentifier);
+                case NODE_OUTPUT:
+                    return experimentRegistry.addNodeOutputs((List<OutputDataObjectType>) newObjectToAdd, (CompositeIdentifier) dependentIdentifier);
+                case TASK_DETAIL:
+                    return experimentRegistry.addTaskDetails((TaskDetails) newObjectToAdd, (String) dependentIdentifier);
+                case APPLICATION_OUTPUT:
+                    return experimentRegistry.addApplicationOutputs((List<OutputDataObjectType>) newObjectToAdd, (CompositeIdentifier) dependentIdentifier);
+                case TASK_STATUS:
+                    return experimentRegistry.addTaskStatus((TaskStatus) newObjectToAdd, (CompositeIdentifier) dependentIdentifier);
+                case JOB_DETAIL:
+                    return experimentRegistry.addJobDetails((JobDetails) newObjectToAdd, (CompositeIdentifier) dependentIdentifier);
+                case JOB_STATUS:
+                    return experimentRegistry.addJobStatus((JobStatus) newObjectToAdd, (CompositeIdentifier) dependentIdentifier);
+                case APPLICATION_STATUS:
+                    return experimentRegistry.addApplicationStatus((ApplicationStatus) newObjectToAdd, (CompositeIdentifier) dependentIdentifier);
+                case DATA_TRANSFER_DETAIL:
+                    return experimentRegistry.addDataTransferDetails((DataTransferDetails) newObjectToAdd, (String) dependentIdentifier);
+                case TRANSFER_STATUS:
+                    return experimentRegistry.addTransferStatus((TransferStatus) newObjectToAdd, (CompositeIdentifier) dependentIdentifier);
+                case COMPUTATIONAL_RESOURCE_SCHEDULING:
+                    return experimentRegistry.addComputationalResourceScheduling((ComputationalResourceScheduling) newObjectToAdd, (CompositeIdentifier) dependentIdentifier);
+                case ADVANCE_OUTPUT_DATA_HANDLING:
+                    return experimentRegistry.addOutputDataHandling((AdvancedOutputDataHandling) newObjectToAdd, (CompositeIdentifier) dependentIdentifier);
+                case ADVANCE_INPUT_DATA_HANDLING:
+                    return experimentRegistry.addInputDataHandling((AdvancedInputDataHandling) newObjectToAdd, (CompositeIdentifier) dependentIdentifier);
+                case QOS_PARAM:
+                    return experimentRegistry.addQosParams((QualityOfServiceParams) newObjectToAdd, (CompositeIdentifier) dependentIdentifier);
+                case ERROR_DETAIL:
+                    return experimentRegistry.addErrorDetails((ErrorDetails) newObjectToAdd, dependentIdentifier);
+                default:
+                    logger.error("Unsupported dependent data type...", new UnsupportedOperationException());
+                    throw new UnsupportedOperationException();
+            }
+        } catch (Exception e) {
+            logger.error("Error while adding " + dataType.toString() , new RegistryException(e));
+            throw new RegistryException("Error while adding " + dataType.toString(), e);
+        }
+
+    }
+
+    /**
+     * This method is to update the whole object in registry
+     *
+     * @param dataType          Data type is a predefined type which the programmer should choose according to the object he
+     *                          is going to save in to registry
+     * @param newObjectToUpdate Object which contains the fields that need to be updated in to registry. This object is a
+     *                          thrift model object. In experiment case this object can be BasicMetadata, ConfigurationData
+     *                          etc. CPI programmer can only fill necessary fields that need to be updated. He does not
+     *                          have to fill the whole object. He needs to only fill the mandatory fields and whatever the
+     *                          other fields that need to be updated.
+     */
+    @Override
+    public void update(RegistryModelType dataType, Object newObjectToUpdate, Object identifier) throws RegistryException {
+        try {
+            switch (dataType) {
+                case PROJECT:
+                    projectRegistry.updateProject((Project)newObjectToUpdate, (String)identifier);
+                    break;
+                case GATEWAY:
+                    gatewayRegistry.updateGateway((String)identifier, (Gateway)newObjectToUpdate);
+                    break;
+                case EXPERIMENT:
+                    experimentRegistry.updateExperiment((Experiment) newObjectToUpdate, (String) identifier);
+                    break;
+                case EXPERIMENT_CONFIGURATION_DATA:
+                    experimentRegistry.updateUserConfigData((UserConfigurationData) newObjectToUpdate, (String) identifier);
+                    break;
+                case EXPERIMENT_OUTPUT:
+                    experimentRegistry.updateExpOutputs((List<OutputDataObjectType>) newObjectToUpdate, (String) identifier);
+                    break;
+                case EXPERIMENT_STATUS:
+                    experimentRegistry.updateExperimentStatus((ExperimentStatus) newObjectToUpdate, (String) identifier);
+                    break;
+                case WORKFLOW_NODE_DETAIL:
+                    experimentRegistry.updateWorkflowNodeDetails((WorkflowNodeDetails) newObjectToUpdate, (String) identifier);
+                    break;
+                case WORKFLOW_NODE_STATUS:
+                    experimentRegistry.updateWorkflowNodeStatus((WorkflowNodeStatus) newObjectToUpdate, (String) identifier);
+                    break;
+                case NODE_OUTPUT:
+                    experimentRegistry.updateNodeOutputs((List<OutputDataObjectType>) newObjectToUpdate, (String) identifier);
+                    break;
+                case TASK_DETAIL:
+                    experimentRegistry.updateTaskDetails((TaskDetails) newObjectToUpdate, (String) identifier);
+                    break;
+                case APPLICATION_OUTPUT:
+                    experimentRegistry.updateAppOutputs((List<OutputDataObjectType>) newObjectToUpdate, (String) identifier);
+                    break;
+                case TASK_STATUS:
+                    experimentRegistry.updateTaskStatus((TaskStatus) newObjectToUpdate, (String) identifier);
+                    break;
+                case JOB_DETAIL:
+                    experimentRegistry.updateJobDetails((JobDetails) newObjectToUpdate, (CompositeIdentifier) identifier);
+                    break;
+                case JOB_STATUS:
+                    experimentRegistry.updateJobStatus((JobStatus) newObjectToUpdate, (CompositeIdentifier) identifier);
+                    break;
+                case APPLICATION_STATUS:
+                    experimentRegistry.updateApplicationStatus((ApplicationStatus) newObjectToUpdate, (String) identifier);
+                    break;
+                case DATA_TRANSFER_DETAIL:
+                    experimentRegistry.updateDataTransferDetails((DataTransferDetails) newObjectToUpdate, (String) identifier);
+                    break;
+                case TRANSFER_STATUS:
+                    experimentRegistry.updateTransferStatus((TransferStatus) newObjectToUpdate, (String) identifier);
+                    break;
+                case COMPUTATIONAL_RESOURCE_SCHEDULING:
+                    experimentRegistry.updateScheduling((ComputationalResourceScheduling) newObjectToUpdate, (String) identifier, dataType.toString());
+                    break;
+                case ADVANCE_INPUT_DATA_HANDLING:
+                    experimentRegistry.updateInputDataHandling((AdvancedInputDataHandling) newObjectToUpdate, (String) identifier, dataType.toString());
+                    break;
+                case ADVANCE_OUTPUT_DATA_HANDLING:
+                    experimentRegistry.updateOutputDataHandling((AdvancedOutputDataHandling) newObjectToUpdate, (String) identifier, dataType.toString());
+                    break;
+                case QOS_PARAM:
+                    experimentRegistry.updateQOSParams((QualityOfServiceParams) newObjectToUpdate, (String) identifier, dataType.toString());
+                    break;
+                default:
+                    logger.error("Unsupported data type...", new UnsupportedOperationException());
+                    throw new UnsupportedOperationException();
+            }
+        } catch (Exception e) {
+            logger.error("Error while updating the resource " + dataType.toString(), new RegistryException(e));
+            throw new RegistryException("Error while updating the resource.." + dataType.toString(), e);
+        }
+
+    }
+
+    /**
+     * This method is to update a specific field of the data model
+     *
+     * @param dataType   Data type is a predefined type which the programmer should choose according to the object he
+     *                   is going to save in to registry
+     * @param identifier Identifier which will uniquely identify the data model. For example, in Experiment_Basic_Type,
+     *                   identifier will be generated experimentID
+     * @param fieldName  Field which need to be updated in the registry. In Experiment_Basic_Type, if you want to update the
+     *                   description, field will be "description". Field names are defined in
+     *                   org.apache.airavata.registry.cpi.utils.Constants
+     * @param value      Value by which the given field need to be updated. If the field is "description", that field will be
+     *                   updated by given value
+     */
+    @Override
+    public void update(RegistryModelType dataType, Object identifier, String fieldName, Object value) throws RegistryException {
+        try {
+            switch (dataType) {
+                case EXPERIMENT:
+                    experimentRegistry.updateExperimentField((String) identifier, fieldName, value);
+                    break;
+                case EXPERIMENT_CONFIGURATION_DATA:
+                    experimentRegistry.updateExpConfigDataField((String) identifier, fieldName, value);
+                    break;
+                default:
+                    logger.error("Unsupported data type...", new UnsupportedOperationException());
+                    throw new UnsupportedOperationException();
+            }
+        } catch (Exception e) {
+            logger.error("Error while updating the resource " + dataType.toString(), new RegistryException(e));
+            throw new RegistryException("Error while updating the resource " + dataType.toString(), e);
+        }
+
+    }
+
+    /**
+     * This method is to retrieve object according to the identifier. In the experiment basic data type, if you give the
+     * experiment id, this method will return the BasicMetadata object
+     *
+     * @param dataType   Data type is a predefined type which the programmer should choose according to the object he
+     *                   is going to save in to registry
+     * @param identifier Identifier which will uniquely identify the data model. For example, in Experiment_Basic_Type,
+     *                   identifier will be generated experimentID
+     * @return object according to the given identifier.
+     */
+    @Override
+    public Object get(RegistryModelType dataType, Object identifier) throws RegistryException {
+        try {
+            switch (dataType) {
+                case PROJECT:
+                    return projectRegistry.getProject((String)identifier);
+                case GATEWAY:
+                    return gatewayRegistry.getGateway((String)identifier);
+                case EXPERIMENT:
+                    return experimentRegistry.getExperiment((String) identifier, null);
+                case EXPERIMENT_CONFIGURATION_DATA:
+                    return experimentRegistry.getConfigData((String) identifier, null);
+                case EXPERIMENT_OUTPUT:
+                    return experimentRegistry.getExperimentOutputs((String) identifier);
+                case EXPERIMENT_STATUS:
+                    return experimentRegistry.getExperimentStatus((String) identifier);
+                case WORKFLOW_NODE_DETAIL:
+                    return experimentRegistry.getWorkflowNodeDetails((String) identifier);
+                case WORKFLOW_NODE_STATUS:
+                    return experimentRegistry.getWorkflowNodeStatus((String) identifier);
+                case NODE_OUTPUT:
+                    return experimentRegistry.getNodeOutputs((String) identifier);
+                case TASK_DETAIL:
+                    return experimentRegistry.getTaskDetails((String) identifier);
+                case APPLICATION_OUTPUT:
+                    return experimentRegistry.getApplicationOutputs((String) identifier);
+                case TASK_STATUS:
+                    return experimentRegistry.getTaskStatus((String) identifier);
+                case JOB_DETAIL:
+                    return experimentRegistry.getJobDetails((CompositeIdentifier) identifier);
+                case JOB_STATUS:
+                    return experimentRegistry.getJobStatus((CompositeIdentifier) identifier);
+                case APPLICATION_STATUS:
+                    return experimentRegistry.getApplicationStatus((CompositeIdentifier) identifier);
+                case DATA_TRANSFER_DETAIL:
+                    return experimentRegistry.getDataTransferDetails((String) identifier);
+                case TRANSFER_STATUS:
+                    return experimentRegistry.getDataTransferStatus((String) identifier);
+                case COMPUTATIONAL_RESOURCE_SCHEDULING:
+                    return experimentRegistry.getComputationalScheduling(dataType, (String) identifier);
+                case ADVANCE_INPUT_DATA_HANDLING:
+                    return experimentRegistry.getInputDataHandling(dataType, (String) identifier);
+                case ADVANCE_OUTPUT_DATA_HANDLING:
+                    return experimentRegistry.getOutputDataHandling(dataType, (String) identifier);
+                case QOS_PARAM:
+                    return experimentRegistry.getQosParams(dataType, (String) identifier);
+                default:
+                    logger.error("Unsupported data type...", new UnsupportedOperationException());
+                    throw new UnsupportedOperationException();
+            }
+        } catch (Exception e) {
+            logger.error("Error while retrieving the resource " + dataType.toString(), new RegistryException(e));
+            throw new RegistryException("Error while retrieving the resource " + dataType.toString() , e);
+        }
+    }
+
+    /**
+     * This method is to retrieve list of objects according to a given criteria
+     *
+     * @param dataType  Data type is a predefined type which the programmer should choose according to the object he
+     *                  is going to save in to registry
+     * @param fieldName FieldName is the field that filtering should be done. For example, if we want to retrieve all
+     *                  the experiments for a given user, filterBy will be "userName"
+     * @param value     value for the filtering field. In the experiment case, value for "userName" can be "admin"
+     * @return List of objects according to the given criteria
+     */
+    @Override
+    public List<Object> get(RegistryModelType dataType, String fieldName, Object value) throws RegistryException {
+        try {
+            List<Object> result = new ArrayList<Object>();
+            switch (dataType) {
+                case PROJECT:
+                    List<Project> projectList = projectRegistry.getProjectList(fieldName, value);
+                    for (Project project : projectList ){
+                        result.add(project);
+                    }
+                    return result;
+                case GATEWAY:
+                    List<Gateway> allGateways = gatewayRegistry.getAllGateways();
+                    for (Gateway gateway : allGateways){
+                        result.add(gateway);
+                    }
+                    return result;
+                case EXPERIMENT:
+                    List<Experiment> experimentList = experimentRegistry.getExperimentList(fieldName, value);
+                    for (Experiment experiment : experimentList) {
+                        result.add(experiment);
+                    }
+                    return result;
+                case WORKFLOW_NODE_DETAIL:
+                    List<WorkflowNodeDetails> wfNodeDetails = experimentRegistry.getWFNodeDetails(fieldName, value);
+                    for (WorkflowNodeDetails wf : wfNodeDetails) {
+                        result.add(wf);
+                    }
+                    return result;
+                case WORKFLOW_NODE_STATUS:
+                    List<WorkflowNodeStatus> wfNodeStatusList = experimentRegistry.getWFNodeStatusList(fieldName, value);
+                    for (WorkflowNodeStatus wfs : wfNodeStatusList) {
+                        result.add(wfs);
+                    }
+                    return result;
+                case TASK_DETAIL:
+                    List<TaskDetails> taskDetails = experimentRegistry.getTaskDetails(fieldName, value);
+                    for (TaskDetails task : taskDetails) {
+                        result.add(task);
+                    }
+                    return result;
+                case JOB_DETAIL:
+                    List<JobDetails> jobDetails = experimentRegistry.getJobDetails(fieldName, value);
+                    for (JobDetails job : jobDetails) {
+                        result.add(job);
+                    }
+                    return result;
+                case DATA_TRANSFER_DETAIL:
+                    List<DataTransferDetails> dataTransferDetails = experimentRegistry.getDataTransferDetails(fieldName, value);
+                    for (DataTransferDetails transferDetails : dataTransferDetails) {
+                        result.add(transferDetails);
+                    }
+                    return result;
+                case ERROR_DETAIL:
+                    List<ErrorDetails> errorDetails = experimentRegistry.getErrorDetails(fieldName, value);
+                    for (ErrorDetails error : errorDetails) {
+                        result.add(error);
+                    }
+                    return result;
+                default:
+                    logger.error("Unsupported data type...", new UnsupportedOperationException());
+                    throw new UnsupportedOperationException();
+            }
+        } catch (Exception e) {
+            logger.error("Error while retrieving the resource " + dataType.toString(), new RegistryException(e));
+            throw new RegistryException("Error while retrieving the resource " + dataType.toString(), e);
+        }
+
+    }
+
+    /**
+     * This method is to retrieve list of objects according to a given criteria with pagination and ordering
+     *
+     * @param dataType  Data type is a predefined type which the programmer should choose according to the object he
+     *                  is going to save in to registry
+     * @param fieldName FieldName is the field that filtering should be done. For example, if we want to retrieve all
+     *                  the experiments for a given user, filterBy will be "userName"
+     * @param value     value for the filtering field. In the experiment case, value for "userName" can be "admin"
+     * @param limit     Size of the results to be returned
+     * @param offset    Start position of the results to be retrieved
+     * @param orderByIdentifier     Named of the column in which the ordering is based
+     * @param resultOrderType       Type of ordering i.e ASC or DESC
+     * @return
+     * @throws RegistryException
+     */
+    @Override
+    public List<Object> get(RegistryModelType dataType, String fieldName, Object value, int limit,
+                            int offset, Object orderByIdentifier, ResultOrderType resultOrderType) throws RegistryException {
+        try {
+            List<Object> result = new ArrayList<Object>();
+            switch (dataType) {
+                case PROJECT:
+                    List<Project> projectList = projectRegistry
+                            .getProjectList(fieldName, value, limit, offset, orderByIdentifier, resultOrderType);
+                    for (Project project : projectList ){
+                        result.add(project);
+                    }
+                    return result;
+                case EXPERIMENT:
+                    List<Experiment> experimentList = experimentRegistry.getExperimentList(fieldName, value,
+                            limit, offset, orderByIdentifier, resultOrderType);
+                    for (Experiment experiment : experimentList) {
+                        result.add(experiment);
+                    }
+                    return result;
+                default:
+                    logger.error("Unsupported data type...", new UnsupportedOperationException());
+                    throw new UnsupportedOperationException();
+            }
+        } catch (Exception e) {
+            logger.error("Error while retrieving the resource " + dataType.toString(), new RegistryException(e));
+            throw new RegistryException("Error while retrieving the resource " + dataType.toString(), e);
+        }
+    }
+
+    /**
+     * This method is to retrieve list of objects according to a given criteria
+     * @param dataType Data type is a predefined type which the programmer should choose according to the object he
+     *                 is going to save in to registry
+     * @param filters filters is a map of field name and value that you need to use for search filtration
+     * @return List of objects according to the given criteria
+     */
+    @Override
+    public List<Object> search(RegistryModelType dataType, Map<String, String> filters) throws RegistryException {
+        return search(dataType, filters, -1, -1, null, null);
+    }
+
+    /**
+     * This method is to retrieve list of objects with pagination according to a given criteria sorted
+     * according by the specified  identified and specified ordering (i.e either ASC or DESC)
+     * @param dataType Data type is a predefined type which the programmer should choose according to the object he
+     *                 is going to save in to registry
+     * @param filters            filters is a map of field name and value that you need to use for search filtration
+     * @param limit              amount of the results to be returned
+     * @param offset             offset of the results from the sorted list to be fetched from
+     * @param orderByIdentifier  identifier (i.e the column) which will be used as the basis to sort the results
+     * @param resultOrderType    The type of ordering (i.e ASC or DESC) that has to be used when retrieving the results
+     * @return List of objects according to the given criteria
+     */
+    @Override
+    public List<Object> search(RegistryModelType dataType, Map<String, String> filters, int limit,
+        int offset, Object orderByIdentifier, ResultOrderType resultOrderType) throws RegistryException {
+        try {
+            List<Object> result = new ArrayList<Object>();
+            switch (dataType) {
+                case PROJECT:
+                    List<Project> projectList
+                            = projectRegistry.searchProjects(filters, limit, offset,
+                            orderByIdentifier, resultOrderType);
+                    for (Project project : projectList ){
+                        result.add(project);
+                    }
+                    return result;
+                case EXPERIMENT:
+                    List<ExperimentSummary> experimentSummaries = experimentRegistry
+                            .searchExperiments(filters, limit, offset, orderByIdentifier,
+                                    resultOrderType);
+                    for (ExperimentSummary ex : experimentSummaries){
+                        result.add(ex);
+                    }
+                    return result;
+                default:
+                    logger.error("Unsupported data type...", new UnsupportedOperationException());
+                    throw new UnsupportedOperationException();
+            }
+        } catch (Exception e) {
+            logger.error("Error while retrieving the resource " + dataType.toString(), new RegistryException(e));
+            throw new RegistryException("Error while retrieving the resource " + dataType.toString(), e);
+        }
+    }
+
+    /**
+     * This method is to retrieve a specific value for a given field.
+     *
+     * @param dataType   Data type is a predefined type which the programmer should choose according to the object he
+     *                   is going to save in to registry
+     * @param identifier Identifier which will uniquely identify the data model. For example, in Experiment_Basic_Type,
+     *                   identifier will be generated experimentID
+     * @param field      field that filtering should be done. For example, if we want to execution user for a given
+     *                   experiment, field will be "userName"
+     * @return return the value for the specific field where data model is identified by the unique identifier that has
+     * given
+     */
+    @Override
+    public Object getValue(RegistryModelType dataType, Object identifier, String field) throws RegistryException {
+        try {
+            switch (dataType) {
+                case EXPERIMENT:
+                    return experimentRegistry.getExperiment((String) identifier, field);
+                case EXPERIMENT_CONFIGURATION_DATA:
+                    return experimentRegistry.getConfigData((String) identifier, field);
+                default:
+                    logger.error("Unsupported data type...", new UnsupportedOperationException());
+                    throw new UnsupportedOperationException();
+            }
+        } catch (Exception e) {
+            logger.error("Error while retrieving the resource " + dataType.toString(), new RegistryException(e));
+            throw new RegistryException("Error while retrieving the resource " + dataType.toString(), e);
+        }
+
+    }
+
+    /**
+     * This method is to retrieve all the identifiers according to given filtering criteria. For an example, if you want
+     * to get all the experiment ids for a given gateway, your field name will be "gateway" and the value will be the
+     * name of the gateway ("default"). Similar manner you can retrieve all the experiment ids for a given user.
+     *
+     * @param dataType  Data type is a predefined type which the programmer should choose according to the object he
+     *                  is going to save in to registry
+     * @param fieldName FieldName is the field that filtering should be done. For example, if we want to retrieve all
+     *                  the experiments for a given user, filterBy will be "userName"
+     * @param value     value for the filtering field. In the experiment case, value for "userName" can be "admin"
+     * @return id list according to the filtering criteria
+     */
+    @Override
+    public List<String> getIds(RegistryModelType dataType, String fieldName, Object value) throws RegistryException {
+        try {
+            switch (dataType) {
+                case PROJECT:
+                    return projectRegistry.getProjectIDs(fieldName, value);
+                case EXPERIMENT:
+                    return experimentRegistry.getExperimentIDs(fieldName, value);
+                case EXPERIMENT_CONFIGURATION_DATA:
+                    return experimentRegistry.getExperimentIDs(fieldName, value);
+                case WORKFLOW_NODE_DETAIL:
+                    return experimentRegistry.getWorkflowNodeIds(fieldName, value);
+                case TASK_DETAIL:
+                    return experimentRegistry.getTaskDetailIds(fieldName, value);
+                case JOB_DETAIL:
+                    return experimentRegistry.getJobDetailIds(fieldName, value);
+                case DATA_TRANSFER_DETAIL:
+                    return experimentRegistry.getTransferDetailIds(fieldName, value);
+                default:
+                    logger.error("Unsupported data type...", new UnsupportedOperationException());
+                    throw new UnsupportedOperationException();
+            }
+        } catch (Exception e) {
+            logger.error("Error while retrieving the ids for" + dataType.toString(), new RegistryException(e));
+            throw new RegistryException("Error while retrieving the ids for " + dataType.toString(), e);
+        }
+
+    }
+
+    /**
+     * This method is to remove a item from the registry
+     *
+     * @param dataType   Data type is a predefined type which the programmer should choose according to the object he
+     *                   is going to save in to registry
+     * @param identifier Identifier which will uniquely identify the data model. For example, in Experiment_Basic_Type,
+     *                   identifier will be generated experimentID
+     */
+    @Override
+    public void remove(RegistryModelType dataType, Object identifier) throws RegistryException {
+        try {
+            switch (dataType) {
+                case PROJECT:
+                    projectRegistry.removeProject((String)identifier);
+                    break;
+                case GATEWAY:
+                    gatewayRegistry.removeGateway((String)identifier);
+                    break;
+                case EXPERIMENT:
+                    experimentRegistry.removeExperiment((String) identifier);
+                    break;
+                case EXPERIMENT_CONFIGURATION_DATA:
+                    experimentRegistry.removeExperimentConfigData((String) identifier);
+                    break;
+                case WORKFLOW_NODE_DETAIL:
+                    experimentRegistry.removeWorkflowNode((String) identifier);
+                    break;
+                case TASK_DETAIL:
+                    experimentRegistry.removeTaskDetails((String) identifier);
+                    break;
+                case JOB_DETAIL:
+                    experimentRegistry.removeJobDetails((CompositeIdentifier) identifier);
+                    break;
+                case DATA_TRANSFER_DETAIL:
+                    experimentRegistry.removeDataTransferDetails((String) identifier);
+                    break;
+                case COMPUTATIONAL_RESOURCE_SCHEDULING:
+                    experimentRegistry.removeComputationalScheduling(dataType, (String) identifier);
+                    break;
+                case ADVANCE_OUTPUT_DATA_HANDLING:
+                    experimentRegistry.removeOutputDataHandling(dataType, (String) identifier);
+                    break;
+                case ADVANCE_INPUT_DATA_HANDLING:
+                    experimentRegistry.removeInputDataHandling(dataType, (String) identifier);
+                    break;
+                case QOS_PARAM:
+                    experimentRegistry.removeQOSParams(dataType, (String) identifier);
+                    break;
+                default:
+                    logger.error("Unsupported data type...", new UnsupportedOperationException());
+                    throw new UnsupportedOperationException();
+            }
+        } catch (Exception e) {
+            logger.error("Error while removing the resource " + dataType.toString(), new RegistryException(e));
+            throw new RegistryException("Error while removing the resource " + dataType.toString(), e);
+        }
+
+    }
+
+    /**
+     * This method will check whether a given data type which can be identified with the identifier exists or not
+     *
+     * @param dataType   Data type is a predefined type which the programmer should choose according to the object he
+     *                   is going to save in to registry
+     * @param identifier Identifier which will uniquely identify the data model. For example, in Experiment_Basic_Type,
+     *                   identifier will be generated experimentID
+     * @return whether the given data type exists or not
+     */
+    @Override
+    public boolean isExist(RegistryModelType dataType, Object identifier) throws RegistryException {
+        try {
+            switch (dataType) {
+                case PROJECT:
+                    return projectRegistry.isProjectExist((String)identifier);
+                case GATEWAY:
+                    return gatewayRegistry.isGatewayExist((String)identifier);
+                case EXPERIMENT:
+                    return experimentRegistry.isExperimentExist((String) identifier);
+                case EXPERIMENT_CONFIGURATION_DATA:
+                    return experimentRegistry.isExperimentConfigDataExist((String) identifier);
+                case WORKFLOW_NODE_DETAIL:
+                    return experimentRegistry.isWFNodeExist((String) identifier);
+                case TASK_DETAIL:
+                    return experimentRegistry.isTaskDetailExist((String) identifier);
+                case JOB_DETAIL:
+                    return experimentRegistry.isJobDetailExist((CompositeIdentifier) identifier);
+                case DATA_TRANSFER_DETAIL:
+                    return experimentRegistry.isTransferDetailExist((String) identifier);
+                case COMPUTATIONAL_RESOURCE_SCHEDULING:
+                    return experimentRegistry.isComputationalSchedulingExist(dataType, (String) identifier);
+                case ADVANCE_INPUT_DATA_HANDLING:
+                    return experimentRegistry.isInputDataHandlingExist(dataType, (String) identifier);
+                case ADVANCE_OUTPUT_DATA_HANDLING:
+                    return experimentRegistry.isOutputDataHandlingExist(dataType, (String) identifier);
+                case QOS_PARAM:
+                    return experimentRegistry.isQOSParamsExist(dataType, (String) identifier);
+                default:
+                    logger.error("Unsupported data type...", new UnsupportedOperationException());
+                    throw new UnsupportedOperationException();
+            }
+        } catch (Exception e) {
+            logger.error("Error while checking existence of the resource " + dataType.toString(), new RegistryException(e));
+            throw new RegistryException("Error while checking existence of the resource " + dataType.toString(), e);
+        }
+    }
+
+}

http://git-wip-us.apache.org/repos/asf/airavata/blob/22bcbb40/modules/registry/experiment-catalog/src/main/java/org/apache/airavata/experiment/catalog/impl/UserReg.java
----------------------------------------------------------------------
diff --git a/modules/registry/experiment-catalog/src/main/java/org/apache/airavata/experiment/catalog/impl/UserReg.java b/modules/registry/experiment-catalog/src/main/java/org/apache/airavata/experiment/catalog/impl/UserReg.java
new file mode 100644
index 0000000..67166e2
--- /dev/null
+++ b/modules/registry/experiment-catalog/src/main/java/org/apache/airavata/experiment/catalog/impl/UserReg.java
@@ -0,0 +1,41 @@
+/*
+ *
+ * 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.experiment.catalog.impl;
+
+import org.apache.airavata.common.exception.ApplicationSettingsException;
+import org.apache.airavata.common.utils.ServerSettings;
+import org.apache.airavata.experiment.catalog.ResourceUtils;
+import org.apache.airavata.experiment.catalog.resources.WorkerResource;
+import org.apache.airavata.registry.cpi.RegistryException;
+
+public class UserReg {
+    public WorkerResource getSystemUser() throws ApplicationSettingsException, RegistryException {
+        return (WorkerResource)ResourceUtils.getWorker(ServerSettings.getDefaultUserGateway(), ServerSettings.getDefaultUser());
+    }
+
+    public WorkerResource getExistingUser (String gatewayName, String userName) throws RegistryException {
+        return (WorkerResource)ResourceUtils.getWorker(gatewayName, userName);
+    }
+
+
+
+}

http://git-wip-us.apache.org/repos/asf/airavata/blob/22bcbb40/modules/registry/experiment-catalog/src/main/java/org/apache/airavata/experiment/catalog/model/AdvancedInputDataHandling.java
----------------------------------------------------------------------
diff --git a/modules/registry/experiment-catalog/src/main/java/org/apache/airavata/experiment/catalog/model/AdvancedInputDataHandling.java b/modules/registry/experiment-catalog/src/main/java/org/apache/airavata/experiment/catalog/model/AdvancedInputDataHandling.java
new file mode 100644
index 0000000..87fb256
--- /dev/null
+++ b/modules/registry/experiment-catalog/src/main/java/org/apache/airavata/experiment/catalog/model/AdvancedInputDataHandling.java
@@ -0,0 +1,113 @@
+/*
+ *
+ * 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.experiment.catalog.model;
+
+import org.apache.openjpa.persistence.DataCache;
+
+import javax.persistence.*;
+import java.io.Serializable;
+
+@DataCache
+@Entity
+@Table(name = "ADVANCE_INPUT_DATA_HANDLING")
+public class AdvancedInputDataHandling implements Serializable {
+    @Id
+    @GeneratedValue
+    @Column(name = "INPUT_DATA_HANDLING_ID")
+    private int dataHandlingId;
+    @Column(name = "EXPERIMENT_ID")
+    private String expId;
+    @Column(name = "TASK_ID")
+    private String taskId;
+    @Column(name = "WORKING_DIR_PARENT")
+    private String parentWorkingDir;
+    @Column(name = "UNIQUE_WORKING_DIR")
+    private String workingDir;
+    @Column(name = "STAGE_INPUT_FILES_TO_WORKING_DIR")
+    private boolean stageInputsToWorkingDir;
+    @Column(name = "CLEAN_AFTER_JOB")
+    private boolean cleanAfterJob;
+
+    @ManyToOne(cascade= CascadeType.MERGE)
+    @JoinColumn(name = "EXPERIMENT_ID")
+    private Experiment experiment;
+
+    @ManyToOne(cascade= CascadeType.MERGE)
+    @JoinColumn(name = "TASK_ID")
+    private TaskDetail task;
+
+    public int getDataHandlingId() {
+        return dataHandlingId;
+    }
+
+    public void setDataHandlingId(int dataHandlingId) {
+        this.dataHandlingId = dataHandlingId;
+    }
+
+    public String getExpId() {
+        return expId;
+    }
+
+    public void setExpId(String expId) {
+        this.expId = expId;
+    }
+
+    public String getTaskId() {
+        return taskId;
+    }
+
+    public void setTaskId(String taskId) {
+        this.taskId = taskId;
+    }
+
+    public String getParentWorkingDir() {
+        return parentWorkingDir;
+    }
+
+    public void setParentWorkingDir(String parentWorkingDir) {
+        this.parentWorkingDir = parentWorkingDir;
+    }
+
+    public String getWorkingDir() {
+        return workingDir;
+    }
+
+    public void setWorkingDir(String workingDir) {
+        this.workingDir = workingDir;
+    }
+
+    public boolean isStageInputsToWorkingDir() {
+        return stageInputsToWorkingDir;
+    }
+
+    public void setStageInputsToWorkingDir(boolean stageInputsToWorkingDir) {
+        this.stageInputsToWorkingDir = stageInputsToWorkingDir;
+    }
+
+    public boolean isCleanAfterJob() {
+        return cleanAfterJob;
+    }
+
+    public void setCleanAfterJob(boolean cleanAfterJob) {
+        this.cleanAfterJob = cleanAfterJob;
+    }
+}

http://git-wip-us.apache.org/repos/asf/airavata/blob/22bcbb40/modules/registry/experiment-catalog/src/main/java/org/apache/airavata/experiment/catalog/model/AdvancedOutputDataHandling.java
----------------------------------------------------------------------
diff --git a/modules/registry/experiment-catalog/src/main/java/org/apache/airavata/experiment/catalog/model/AdvancedOutputDataHandling.java b/modules/registry/experiment-catalog/src/main/java/org/apache/airavata/experiment/catalog/model/AdvancedOutputDataHandling.java
new file mode 100644
index 0000000..e3a35b4
--- /dev/null
+++ b/modules/registry/experiment-catalog/src/main/java/org/apache/airavata/experiment/catalog/model/AdvancedOutputDataHandling.java
@@ -0,0 +1,104 @@
+/*
+ *
+ * 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.experiment.catalog.model;
+
+import org.apache.openjpa.persistence.DataCache;
+
+import javax.persistence.*;
+import java.io.Serializable;
+
+@DataCache
+@Entity
+@Table(name = "ADVANCE_OUTPUT_DATA_HANDLING")
+public class AdvancedOutputDataHandling implements Serializable {
+    @Id
+    @GeneratedValue
+    @Column(name = "OUTPUT_DATA_HANDLING_ID")
+    private int outputDataHandlingId;
+    @Column(name = "EXPERIMENT_ID")
+    private String expId;
+    @Column(name = "TASK_ID")
+    private String taskId;
+    @Column(name = "OUTPUT_DATA_DIR")
+    private String outputDataDir;
+    @Column(name = "DATA_REG_URL")
+    private String dataRegUrl;
+    @Column(name = "PERSIST_OUTPUT_DATA")
+    private boolean persistOutputData;
+
+    @ManyToOne(cascade= CascadeType.MERGE)
+    @JoinColumn(name = "EXPERIMENT_ID")
+    private Experiment experiment;
+
+    @ManyToOne(cascade= CascadeType.MERGE)
+    @JoinColumn(name = "TASK_ID")
+    private TaskDetail task;
+
+    public int getOutputDataHandlingId() {
+        return outputDataHandlingId;
+    }
+
+    public void setOutputDataHandlingId(int outputDataHandlingId) {
+        this.outputDataHandlingId = outputDataHandlingId;
+    }
+
+    public String getExpId() {
+        return expId;
+    }
+
+    public void setExpId(String expId) {
+        this.expId = expId;
+    }
+
+    public String getTaskId() {
+        return taskId;
+    }
+
+    public void setTaskId(String taskId) {
+        this.taskId = taskId;
+    }
+
+    public String getOutputDataDir() {
+        return outputDataDir;
+    }
+
+    public void setOutputDataDir(String outputDataDir) {
+        this.outputDataDir = outputDataDir;
+    }
+
+    public String getDataRegUrl() {
+        return dataRegUrl;
+    }
+
+    public void setDataRegUrl(String dataRegUrl) {
+        this.dataRegUrl = dataRegUrl;
+    }
+
+    public boolean isPersistOutputData() {
+        return persistOutputData;
+    }
+
+    public void setPersistOutputData(boolean persistOutputData) {
+        this.persistOutputData = persistOutputData;
+    }
+
+}

http://git-wip-us.apache.org/repos/asf/airavata/blob/22bcbb40/modules/registry/experiment-catalog/src/main/java/org/apache/airavata/experiment/catalog/model/ApplicationInput.java
----------------------------------------------------------------------
diff --git a/modules/registry/experiment-catalog/src/main/java/org/apache/airavata/experiment/catalog/model/ApplicationInput.java b/modules/registry/experiment-catalog/src/main/java/org/apache/airavata/experiment/catalog/model/ApplicationInput.java
new file mode 100644
index 0000000..89cdf76
--- /dev/null
+++ b/modules/registry/experiment-catalog/src/main/java/org/apache/airavata/experiment/catalog/model/ApplicationInput.java
@@ -0,0 +1,165 @@
+/*
+ *
+ * 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.experiment.catalog.model;
+
+import org.apache.openjpa.persistence.DataCache;
+
+import javax.persistence.*;
+import java.io.Serializable;
+
+@DataCache
+@Entity
+@Table(name = "APPLICATION_INPUT")
+@IdClass(ApplicationInput_PK.class)
+public class ApplicationInput implements Serializable {
+    @Id
+    @Column(name = "TASK_ID")
+    private String taskId;
+    @Id
+    @Column(name = "INPUT_KEY")
+    private String inputKey;
+    @Column(name = "DATA_TYPE")
+    private String dataType;
+    @Column(name = "METADATA")
+    private String metadata;
+    @Lob
+    @Column(name = "VALUE")
+    private char[] value;
+    @Column(name = "APP_ARGUMENT")
+    private String appArgument;
+
+    @Column(name = "INPUT_ORDER")
+    private int inputOrder;
+
+    @Column(name = "STANDARD_INPUT")
+    private boolean standardInput;
+
+    @Column(name = "USER_FRIENDLY_DESC")
+    private String userFriendlyDesc;
+
+    @Column(name="IS_REQUIRED")
+    private boolean isRequired;
+    @Column(name="REQUIRED_TO_COMMANDLINE")
+    private boolean requiredToCMD;
+    @Column(name = "DATA_STAGED")
+    private boolean dataStaged;
+
+    @ManyToOne(cascade= CascadeType.MERGE)
+    @JoinColumn(name = "TASK_ID")
+    private TaskDetail task;
+
+    public int getInputOrder() {
+        return inputOrder;
+    }
+
+    public void setInputOrder(int inputOrder) {
+        this.inputOrder = inputOrder;
+    }
+
+    public String getTaskId() {
+        return taskId;
+    }
+
+    public void setTaskId(String taskId) {
+        this.taskId = taskId;
+    }
+
+    public String getInputKey() {
+        return inputKey;
+    }
+
+    public void setInputKey(String inputKey) {
+        this.inputKey = inputKey;
+    }
+
+    public String getDataType() {
+        return dataType;
+    }
+
+    public void setDataType(String dataType) {
+        this.dataType = dataType;
+    }
+
+    public String getMetadata() {
+        return metadata;
+    }
+
+    public void setMetadata(String metadata) {
+        this.metadata = metadata;
+    }
+
+    public char[] getValue() {
+        return value;
+    }
+
+    public void setValue(char[] value) {
+        this.value = value;
+    }
+
+    public String getAppArgument() {
+        return appArgument;
+    }
+
+    public void setAppArgument(String appArgument) {
+        this.appArgument = appArgument;
+    }
+
+    public boolean isStandardInput() {
+        return standardInput;
+    }
+
+    public void setStandardInput(boolean standardInput) {
+        this.standardInput = standardInput;
+    }
+
+    public String getUserFriendlyDesc() {
+        return userFriendlyDesc;
+    }
+
+    public void setUserFriendlyDesc(String userFriendlyDesc) {
+        this.userFriendlyDesc = userFriendlyDesc;
+    }
+
+    public boolean isRequired() {
+        return isRequired;
+    }
+
+    public void setRequired(boolean isRequired) {
+        this.isRequired = isRequired;
+    }
+
+    public boolean isRequiredToCMD() {
+        return requiredToCMD;
+    }
+
+    public void setRequiredToCMD(boolean requiredToCMD) {
+        this.requiredToCMD = requiredToCMD;
+    }
+
+    public boolean isDataStaged() {
+        return dataStaged;
+    }
+
+    public void setDataStaged(boolean dataStaged) {
+        this.dataStaged = dataStaged;
+    }
+}

http://git-wip-us.apache.org/repos/asf/airavata/blob/22bcbb40/modules/registry/experiment-catalog/src/main/java/org/apache/airavata/experiment/catalog/model/ApplicationInput_PK.java
----------------------------------------------------------------------
diff --git a/modules/registry/experiment-catalog/src/main/java/org/apache/airavata/experiment/catalog/model/ApplicationInput_PK.java b/modules/registry/experiment-catalog/src/main/java/org/apache/airavata/experiment/catalog/model/ApplicationInput_PK.java
new file mode 100644
index 0000000..84979b4
--- /dev/null
+++ b/modules/registry/experiment-catalog/src/main/java/org/apache/airavata/experiment/catalog/model/ApplicationInput_PK.java
@@ -0,0 +1,65 @@
+/*
+ *
+ * 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.experiment.catalog.model;
+
+import java.io.Serializable;
+
+public class ApplicationInput_PK implements Serializable {
+    private String taskId;
+    private String inputKey;
+
+    public ApplicationInput_PK(String inputKey, String taskId) {
+        this.inputKey = inputKey;
+        this.taskId = taskId;
+    }
+
+    public ApplicationInput_PK() {
+        ;
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        return false;
+    }
+
+    @Override
+    public int hashCode() {
+        return 1;
+    }
+
+
+    public String getTaskId() {
+        return taskId;
+    }
+
+    public void setTaskId(String taskId) {
+        this.taskId = taskId;
+    }
+
+    public String getInputKey() {
+        return inputKey;
+    }
+
+    public void setInputKey(String inputKey) {
+        this.inputKey = inputKey;
+    }
+}


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