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Posted to commits@airavata.apache.org by sh...@apache.org on 2015/06/04 22:36:50 UTC

[04/52] [abbrv] [partial] airavata git commit: registry refactoring

http://git-wip-us.apache.org/repos/asf/airavata/blob/ec8c6202/modules/registry/registry-core/src/main/java/org/apache/airavata/registry/core/app/catalog/resources/WorkflowInputAppCatalogResourceAppCat.java
----------------------------------------------------------------------
diff --git a/modules/registry/registry-core/src/main/java/org/apache/airavata/registry/core/app/catalog/resources/WorkflowInputAppCatalogResourceAppCat.java b/modules/registry/registry-core/src/main/java/org/apache/airavata/registry/core/app/catalog/resources/WorkflowInputAppCatalogResourceAppCat.java
new file mode 100644
index 0000000..89a34f4
--- /dev/null
+++ b/modules/registry/registry-core/src/main/java/org/apache/airavata/registry/core/app/catalog/resources/WorkflowInputAppCatalogResourceAppCat.java
@@ -0,0 +1,451 @@
+/**
+ * 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.app.catalog.resources;
+
+import org.apache.airavata.common.exception.ApplicationSettingsException;
+import org.apache.airavata.registry.core.app.catalog.model.Workflow;
+import org.apache.airavata.registry.core.app.catalog.model.WorkflowInput;
+import org.apache.airavata.registry.core.app.catalog.model.WorkflowInput_PK;
+import org.apache.airavata.registry.core.app.catalog.util.AppCatalogJPAUtils;
+import org.apache.airavata.registry.core.app.catalog.util.AppCatalogQueryGenerator;
+import org.apache.airavata.registry.core.app.catalog.util.AppCatalogResourceType;
+import org.apache.airavata.registry.cpi.AppCatalogException;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import javax.persistence.EntityManager;
+import javax.persistence.Query;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+public class WorkflowInputAppCatalogResourceAppCat extends AppCatAbstractResource {
+
+    private final static Logger logger = LoggerFactory.getLogger(WorkflowInputAppCatalogResourceAppCat.class);
+
+    private String wfTemplateId;
+    private String inputKey;
+    private String dataType;
+    private String inputVal;
+    private String metadata;
+    private String appArgument;
+    private String userFriendlyDesc;
+    private boolean standardInput;
+    private int inputOrder;
+    private boolean isRequired;
+    private boolean requiredToCMD;
+    private boolean dataStaged;
+
+    private WorkflowAppCatalogResourceAppCat workflowResource;
+
+    public void remove(Object identifier) throws AppCatalogException {
+        HashMap<String, String> ids;
+        if (identifier instanceof Map) {
+            ids = (HashMap) identifier;
+        } else {
+            logger.error("Identifier should be a map with the field name and it's value");
+            throw new AppCatalogException("Identifier should be a map with the field name and it's value");
+        }
+
+        EntityManager em = null;
+        try {
+            em = AppCatalogJPAUtils.getEntityManager();
+            em.getTransaction().begin();
+            AppCatalogQueryGenerator generator = new AppCatalogQueryGenerator(WORKFLOW_INPUT);
+            generator.setParameter(WFInputConstants.WF_TEMPLATE_ID, ids.get(WFInputConstants.WF_TEMPLATE_ID));
+            generator.setParameter(WFInputConstants.INPUT_KEY, ids.get(WFInputConstants.INPUT_KEY));
+            Query q = generator.deleteQuery(em);
+            q.executeUpdate();
+            em.getTransaction().commit();
+            em.close();
+        } catch (ApplicationSettingsException e) {
+            logger.error(e.getMessage(), e);
+            throw new AppCatalogException(e);
+        } finally {
+            if (em != null && em.isOpen()) {
+                if (em.getTransaction().isActive()) {
+                    em.getTransaction().rollback();
+                }
+                em.close();
+            }
+        }
+    }
+
+    public AppCatalogResource get(Object identifier) throws AppCatalogException {
+        HashMap<String, String> ids;
+        if (identifier instanceof Map) {
+            ids = (HashMap<String, String>) identifier;
+        } else {
+            logger.error("Identifier should be a map with the field name and it's value");
+            throw new AppCatalogException("Identifier should be a map with the field name and it's value");
+        }
+
+        EntityManager em = null;
+        try {
+            em = AppCatalogJPAUtils.getEntityManager();
+            em.getTransaction().begin();
+            AppCatalogQueryGenerator generator = new AppCatalogQueryGenerator(WORKFLOW_INPUT);
+            generator.setParameter(WFInputConstants.WF_TEMPLATE_ID, ids.get(WFInputConstants.WF_TEMPLATE_ID));
+            generator.setParameter(WFInputConstants.INPUT_KEY, ids.get(WFInputConstants.INPUT_KEY));
+            Query q = generator.selectQuery(em);
+            WorkflowInput workflowInput = (WorkflowInput) q.getSingleResult();
+            WorkflowInputAppCatalogResourceAppCat workflowInputResource =
+                    (WorkflowInputAppCatalogResourceAppCat) AppCatalogJPAUtils.getResource(AppCatalogResourceType.WORKFLOW_INPUT
+                            , workflowInput);
+            em.getTransaction().commit();
+            em.close();
+            return workflowInputResource;
+        } catch (ApplicationSettingsException e) {
+            logger.error(e.getMessage(), e);
+            throw new AppCatalogException(e);
+        } finally {
+            if (em != null && em.isOpen()) {
+                if (em.getTransaction().isActive()) {
+                    em.getTransaction().rollback();
+                }
+                em.close();
+            }
+        }
+    }
+
+    public List<AppCatalogResource> get(String fieldName, Object value) throws AppCatalogException {
+        List<AppCatalogResource> wfInputResources = new ArrayList<AppCatalogResource>();
+        EntityManager em = null;
+        try {
+            em = AppCatalogJPAUtils.getEntityManager();
+            em.getTransaction().begin();
+            Query q;
+            AppCatalogQueryGenerator generator = new AppCatalogQueryGenerator(WORKFLOW_INPUT);
+            List results;
+            if (fieldName.equals(WFInputConstants.WF_TEMPLATE_ID)) {
+                generator.setParameter(WFInputConstants.WF_TEMPLATE_ID, value);
+                q = generator.selectQuery(em);
+                results = q.getResultList();
+                if (results.size() != 0) {
+                    for (Object result : results) {
+                        WorkflowInput workflowInput = (WorkflowInput) result;
+                        WorkflowInputAppCatalogResourceAppCat workflowInputResource =
+                                (WorkflowInputAppCatalogResourceAppCat) AppCatalogJPAUtils.getResource(
+                                        AppCatalogResourceType.WORKFLOW_INPUT, workflowInput);
+                        wfInputResources.add(workflowInputResource);
+                    }
+                }
+            } else if (fieldName.equals(WFInputConstants.INPUT_KEY)) {
+                generator.setParameter(WFInputConstants.INPUT_KEY, value);
+                q = generator.selectQuery(em);
+                results = q.getResultList();
+                if (results.size() != 0) {
+                    for (Object result : results) {
+                        WorkflowInput workflowInput = (WorkflowInput) result;
+                        WorkflowInputAppCatalogResourceAppCat workflowInputResource =
+                                (WorkflowInputAppCatalogResourceAppCat) AppCatalogJPAUtils.getResource(
+                                        AppCatalogResourceType.WORKFLOW_INPUT, workflowInput);
+                        wfInputResources.add(workflowInputResource);
+                    }
+                }
+            } else if (fieldName.equals(WFInputConstants.DATA_TYPE)) {
+                generator.setParameter(WFInputConstants.DATA_TYPE, value);
+                q = generator.selectQuery(em);
+                results = q.getResultList();
+                if (results.size() != 0) {
+                    for (Object result : results) {
+                        WorkflowInput workflowInput = (WorkflowInput) result;
+                        WorkflowInputAppCatalogResourceAppCat workflowInputResource =
+                                (WorkflowInputAppCatalogResourceAppCat) AppCatalogJPAUtils.getResource(
+                                        AppCatalogResourceType.WORKFLOW_INPUT, workflowInput);
+                        wfInputResources.add(workflowInputResource);
+                    }
+                }
+            } else {
+                em.getTransaction().commit();
+                em.close();
+                logger.error("Unsupported field name for WFInput Resource.", new IllegalArgumentException());
+                throw new IllegalArgumentException("Unsupported field name for WFInput Resource.");
+            }
+            em.getTransaction().commit();
+            em.close();
+        } catch (Exception e) {
+            logger.error(e.getMessage(), e);
+            throw new AppCatalogException(e);
+        } finally {
+            if (em != null && em.isOpen()) {
+                if (em.getTransaction().isActive()) {
+                    em.getTransaction().rollback();
+                }
+                em.close();
+            }
+        }
+        return wfInputResources;
+    }
+
+    public List<AppCatalogResource> getAll() throws AppCatalogException {
+        return null;
+    }
+
+    public List<String> getAllIds() throws AppCatalogException {
+        return null;
+    }
+
+    public List<String> getIds(String fieldName, Object value) throws AppCatalogException {
+        List<String> wfInputResourceIDs = new ArrayList<String>();
+        EntityManager em = null;
+        try {
+            em = AppCatalogJPAUtils.getEntityManager();
+            em.getTransaction().begin();
+            Query q;
+            AppCatalogQueryGenerator generator = new AppCatalogQueryGenerator(WORKFLOW_INPUT);
+            List results;
+            if (fieldName.equals(WFInputConstants.WF_TEMPLATE_ID)) {
+                generator.setParameter(WFInputConstants.WF_TEMPLATE_ID, value);
+                q = generator.selectQuery(em);
+                results = q.getResultList();
+                if (results.size() != 0) {
+                    for (Object result : results) {
+                        WorkflowInput workflowInput = (WorkflowInput) result;
+                        wfInputResourceIDs.add(workflowInput.getWfTemplateId());
+                    }
+                }
+            } else if (fieldName.equals(WFInputConstants.INPUT_KEY)) {
+                generator.setParameter(WFInputConstants.INPUT_KEY, value);
+                q = generator.selectQuery(em);
+                results = q.getResultList();
+                if (results.size() != 0) {
+                    for (Object result : results) {
+                        WorkflowInput workflowInput = (WorkflowInput) result;
+                        wfInputResourceIDs.add(workflowInput.getWfTemplateId());
+                    }
+                }
+            } else if (fieldName.equals(WFInputConstants.DATA_TYPE)) {
+                generator.setParameter(WFInputConstants.DATA_TYPE, value);
+                q = generator.selectQuery(em);
+                results = q.getResultList();
+                if (results.size() != 0) {
+                    for (Object result : results) {
+                        WorkflowInput workflowInput = (WorkflowInput) result;
+                        wfInputResourceIDs.add(workflowInput.getWfTemplateId());
+                    }
+                }
+            } else {
+                em.getTransaction().commit();
+                em.close();
+                logger.error("Unsupported field name for WFInput resource.", new IllegalArgumentException());
+                throw new IllegalArgumentException("Unsupported field name for WFInput Resource.");
+            }
+            em.getTransaction().commit();
+            em.close();
+        } catch (Exception e) {
+            logger.error(e.getMessage(), e);
+            throw new AppCatalogException(e);
+        } finally {
+            if (em != null && em.isOpen()) {
+                if (em.getTransaction().isActive()) {
+                    em.getTransaction().rollback();
+                }
+                em.close();
+            }
+        }
+        return wfInputResourceIDs;
+    }
+
+    public void save() throws AppCatalogException {
+        EntityManager em = null;
+        try {
+            em = AppCatalogJPAUtils.getEntityManager();
+            WorkflowInput existingWFInput = em.find(WorkflowInput.class, new WorkflowInput_PK(wfTemplateId, inputKey));
+            em.close();
+            WorkflowInput workflowInput;
+            em = AppCatalogJPAUtils.getEntityManager();
+            em.getTransaction().begin();
+            if (existingWFInput == null) {
+                workflowInput = new WorkflowInput();
+            } else {
+            	workflowInput=existingWFInput;
+            }
+            workflowInput.setWfTemplateId(wfTemplateId);
+            Workflow workflow = em.find(Workflow.class, wfTemplateId);
+            workflowInput.setWorkflow(workflow);
+            workflowInput.setDataType(dataType);
+            workflowInput.setInputKey(inputKey);
+            if (inputVal != null){
+                workflowInput.setInputVal(inputVal.toCharArray());
+            }
+            workflowInput.setMetadata(metadata);
+            workflowInput.setAppArgument(appArgument);
+            workflowInput.setUserFriendlyDesc(userFriendlyDesc);
+            workflowInput.setStandardInput(standardInput);
+            workflowInput.setRequiredToCMD(requiredToCMD);
+            workflowInput.setRequired(isRequired);
+            workflowInput.setDataStaged(dataStaged);
+            if (existingWFInput == null) {
+                em.persist(workflowInput);
+            } else {
+                em.merge(workflowInput);
+            }
+            em.getTransaction().commit();
+            em.close();
+        } catch (Exception e) {
+            logger.error(e.getMessage(), e);
+            throw new AppCatalogException(e);
+        } finally {
+            if (em != null && em.isOpen()) {
+                if (em.getTransaction().isActive()) {
+                    em.getTransaction().rollback();
+                }
+                em.close();
+            }
+        }
+    }
+
+    public boolean isExists(Object identifier) throws AppCatalogException {
+        HashMap<String, String> ids;
+        if (identifier instanceof Map) {
+            ids = (HashMap<String, String>) identifier;
+        } else {
+            logger.error("Identifier should be a map with the field name and it's value");
+            throw new AppCatalogException("Identifier should be a map with the field name and it's value");
+        }
+
+        EntityManager em = null;
+        try {
+            em = AppCatalogJPAUtils.getEntityManager();
+            WorkflowInput workflowInput = em.find(WorkflowInput.class, new WorkflowInput_PK(
+                    ids.get(WFInputConstants.WF_TEMPLATE_ID),
+                    ids.get(WFInputConstants.INPUT_KEY)));
+
+            em.close();
+            return workflowInput != null;
+        } catch (ApplicationSettingsException e) {
+            logger.error(e.getMessage(), e);
+            throw new AppCatalogException(e);
+        } finally {
+            if (em != null && em.isOpen()) {
+                if (em.getTransaction().isActive()) {
+                    em.getTransaction().rollback();
+                }
+                em.close();
+            }
+        }
+    }
+
+    public String getWfTemplateId() {
+        return wfTemplateId;
+    }
+
+    public void setWfTemplateId(String wfTemplateId) {
+        this.wfTemplateId = wfTemplateId;
+    }
+
+    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 getInputVal() {
+        return inputVal;
+    }
+
+    public void setInputVal(String inputVal) {
+        this.inputVal = inputVal;
+    }
+
+    public String getMetadata() {
+        return metadata;
+    }
+
+    public void setMetadata(String metadata) {
+        this.metadata = metadata;
+    }
+
+    public String getAppArgument() {
+        return appArgument;
+    }
+
+    public void setAppArgument(String appArgument) {
+        this.appArgument = appArgument;
+    }
+
+    public String getUserFriendlyDesc() {
+        return userFriendlyDesc;
+    }
+
+    public void setUserFriendlyDesc(String userFriendlyDesc) {
+        this.userFriendlyDesc = userFriendlyDesc;
+    }
+
+    public WorkflowAppCatalogResourceAppCat getWorkflowResource() {
+        return workflowResource;
+    }
+
+    public void setWorkflowResource(WorkflowAppCatalogResourceAppCat workflowResource) {
+        this.workflowResource = workflowResource;
+    }
+
+    public boolean isStandardInput() {
+        return standardInput;
+    }
+
+    public void setStandardInput(boolean standardInput) {
+        this.standardInput = standardInput;
+    }
+
+    public int getInputOrder() {
+        return inputOrder;
+    }
+
+    public void setInputOrder(int inputOrder) {
+        this.inputOrder = inputOrder;
+    }
+
+    public boolean getRequired() {
+        return isRequired;
+    }
+
+    public void setRequired(boolean required) {
+        this.isRequired = required;
+    }
+
+    public boolean getRequiredToCMD() {
+        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/ec8c6202/modules/registry/registry-core/src/main/java/org/apache/airavata/registry/core/app/catalog/resources/WorkflowInputResource.java
----------------------------------------------------------------------
diff --git a/modules/registry/registry-core/src/main/java/org/apache/airavata/registry/core/app/catalog/resources/WorkflowInputResource.java b/modules/registry/registry-core/src/main/java/org/apache/airavata/registry/core/app/catalog/resources/WorkflowInputResource.java
new file mode 100644
index 0000000..ac22744
--- /dev/null
+++ b/modules/registry/registry-core/src/main/java/org/apache/airavata/registry/core/app/catalog/resources/WorkflowInputResource.java
@@ -0,0 +1,451 @@
+/**
+ * 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.aiaravata.application.catalog.data.resources;
+
+import org.airavata.appcatalog.cpi.AppCatalogException;
+import org.apache.aiaravata.application.catalog.data.model.Workflow;
+import org.apache.aiaravata.application.catalog.data.model.WorkflowInput;
+import org.apache.aiaravata.application.catalog.data.model.WorkflowInput_PK;
+import org.apache.aiaravata.application.catalog.data.util.AppCatalogJPAUtils;
+import org.apache.aiaravata.application.catalog.data.util.AppCatalogQueryGenerator;
+import org.apache.aiaravata.application.catalog.data.util.AppCatalogResourceType;
+import org.apache.airavata.common.exception.ApplicationSettingsException;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import javax.persistence.EntityManager;
+import javax.persistence.Query;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+public class WorkflowInputResource extends AbstractResource {
+
+    private final static Logger logger = LoggerFactory.getLogger(WorkflowInputResource.class);
+
+    private String wfTemplateId;
+    private String inputKey;
+    private String dataType;
+    private String inputVal;
+    private String metadata;
+    private String appArgument;
+    private String userFriendlyDesc;
+    private boolean standardInput;
+    private int inputOrder;
+    private boolean isRequired;
+    private boolean requiredToCMD;
+    private boolean dataStaged;
+
+    private WorkflowResource workflowResource;
+
+    public void remove(Object identifier) throws AppCatalogException {
+        HashMap<String, String> ids;
+        if (identifier instanceof Map) {
+            ids = (HashMap) identifier;
+        } else {
+            logger.error("Identifier should be a map with the field name and it's value");
+            throw new AppCatalogException("Identifier should be a map with the field name and it's value");
+        }
+
+        EntityManager em = null;
+        try {
+            em = AppCatalogJPAUtils.getEntityManager();
+            em.getTransaction().begin();
+            AppCatalogQueryGenerator generator = new AppCatalogQueryGenerator(WORKFLOW_INPUT);
+            generator.setParameter(WFInputConstants.WF_TEMPLATE_ID, ids.get(WFInputConstants.WF_TEMPLATE_ID));
+            generator.setParameter(WFInputConstants.INPUT_KEY, ids.get(WFInputConstants.INPUT_KEY));
+            Query q = generator.deleteQuery(em);
+            q.executeUpdate();
+            em.getTransaction().commit();
+            em.close();
+        } catch (ApplicationSettingsException e) {
+            logger.error(e.getMessage(), e);
+            throw new AppCatalogException(e);
+        } finally {
+            if (em != null && em.isOpen()) {
+                if (em.getTransaction().isActive()) {
+                    em.getTransaction().rollback();
+                }
+                em.close();
+            }
+        }
+    }
+
+    public Resource get(Object identifier) throws AppCatalogException {
+        HashMap<String, String> ids;
+        if (identifier instanceof Map) {
+            ids = (HashMap<String, String>) identifier;
+        } else {
+            logger.error("Identifier should be a map with the field name and it's value");
+            throw new AppCatalogException("Identifier should be a map with the field name and it's value");
+        }
+
+        EntityManager em = null;
+        try {
+            em = AppCatalogJPAUtils.getEntityManager();
+            em.getTransaction().begin();
+            AppCatalogQueryGenerator generator = new AppCatalogQueryGenerator(WORKFLOW_INPUT);
+            generator.setParameter(WFInputConstants.WF_TEMPLATE_ID, ids.get(WFInputConstants.WF_TEMPLATE_ID));
+            generator.setParameter(WFInputConstants.INPUT_KEY, ids.get(WFInputConstants.INPUT_KEY));
+            Query q = generator.selectQuery(em);
+            WorkflowInput workflowInput = (WorkflowInput) q.getSingleResult();
+            WorkflowInputResource workflowInputResource =
+                    (WorkflowInputResource) AppCatalogJPAUtils.getResource(AppCatalogResourceType.WORKFLOW_INPUT
+                            , workflowInput);
+            em.getTransaction().commit();
+            em.close();
+            return workflowInputResource;
+        } catch (ApplicationSettingsException e) {
+            logger.error(e.getMessage(), e);
+            throw new AppCatalogException(e);
+        } finally {
+            if (em != null && em.isOpen()) {
+                if (em.getTransaction().isActive()) {
+                    em.getTransaction().rollback();
+                }
+                em.close();
+            }
+        }
+    }
+
+    public List<Resource> get(String fieldName, Object value) throws AppCatalogException {
+        List<Resource> wfInputResources = new ArrayList<Resource>();
+        EntityManager em = null;
+        try {
+            em = AppCatalogJPAUtils.getEntityManager();
+            em.getTransaction().begin();
+            Query q;
+            AppCatalogQueryGenerator generator = new AppCatalogQueryGenerator(WORKFLOW_INPUT);
+            List results;
+            if (fieldName.equals(WFInputConstants.WF_TEMPLATE_ID)) {
+                generator.setParameter(WFInputConstants.WF_TEMPLATE_ID, value);
+                q = generator.selectQuery(em);
+                results = q.getResultList();
+                if (results.size() != 0) {
+                    for (Object result : results) {
+                        WorkflowInput workflowInput = (WorkflowInput) result;
+                        WorkflowInputResource workflowInputResource =
+                                (WorkflowInputResource) AppCatalogJPAUtils.getResource(
+                                        AppCatalogResourceType.WORKFLOW_INPUT, workflowInput);
+                        wfInputResources.add(workflowInputResource);
+                    }
+                }
+            } else if (fieldName.equals(WFInputConstants.INPUT_KEY)) {
+                generator.setParameter(WFInputConstants.INPUT_KEY, value);
+                q = generator.selectQuery(em);
+                results = q.getResultList();
+                if (results.size() != 0) {
+                    for (Object result : results) {
+                        WorkflowInput workflowInput = (WorkflowInput) result;
+                        WorkflowInputResource workflowInputResource =
+                                (WorkflowInputResource) AppCatalogJPAUtils.getResource(
+                                        AppCatalogResourceType.WORKFLOW_INPUT, workflowInput);
+                        wfInputResources.add(workflowInputResource);
+                    }
+                }
+            } else if (fieldName.equals(WFInputConstants.DATA_TYPE)) {
+                generator.setParameter(WFInputConstants.DATA_TYPE, value);
+                q = generator.selectQuery(em);
+                results = q.getResultList();
+                if (results.size() != 0) {
+                    for (Object result : results) {
+                        WorkflowInput workflowInput = (WorkflowInput) result;
+                        WorkflowInputResource workflowInputResource =
+                                (WorkflowInputResource) AppCatalogJPAUtils.getResource(
+                                        AppCatalogResourceType.WORKFLOW_INPUT, workflowInput);
+                        wfInputResources.add(workflowInputResource);
+                    }
+                }
+            } else {
+                em.getTransaction().commit();
+                em.close();
+                logger.error("Unsupported field name for WFInput Resource.", new IllegalArgumentException());
+                throw new IllegalArgumentException("Unsupported field name for WFInput Resource.");
+            }
+            em.getTransaction().commit();
+            em.close();
+        } catch (Exception e) {
+            logger.error(e.getMessage(), e);
+            throw new AppCatalogException(e);
+        } finally {
+            if (em != null && em.isOpen()) {
+                if (em.getTransaction().isActive()) {
+                    em.getTransaction().rollback();
+                }
+                em.close();
+            }
+        }
+        return wfInputResources;
+    }
+
+    public List<Resource> getAll() throws AppCatalogException {
+        return null;
+    }
+
+    public List<String> getAllIds() throws AppCatalogException {
+        return null;
+    }
+
+    public List<String> getIds(String fieldName, Object value) throws AppCatalogException {
+        List<String> wfInputResourceIDs = new ArrayList<String>();
+        EntityManager em = null;
+        try {
+            em = AppCatalogJPAUtils.getEntityManager();
+            em.getTransaction().begin();
+            Query q;
+            AppCatalogQueryGenerator generator = new AppCatalogQueryGenerator(WORKFLOW_INPUT);
+            List results;
+            if (fieldName.equals(WFInputConstants.WF_TEMPLATE_ID)) {
+                generator.setParameter(WFInputConstants.WF_TEMPLATE_ID, value);
+                q = generator.selectQuery(em);
+                results = q.getResultList();
+                if (results.size() != 0) {
+                    for (Object result : results) {
+                        WorkflowInput workflowInput = (WorkflowInput) result;
+                        wfInputResourceIDs.add(workflowInput.getWfTemplateId());
+                    }
+                }
+            } else if (fieldName.equals(WFInputConstants.INPUT_KEY)) {
+                generator.setParameter(WFInputConstants.INPUT_KEY, value);
+                q = generator.selectQuery(em);
+                results = q.getResultList();
+                if (results.size() != 0) {
+                    for (Object result : results) {
+                        WorkflowInput workflowInput = (WorkflowInput) result;
+                        wfInputResourceIDs.add(workflowInput.getWfTemplateId());
+                    }
+                }
+            } else if (fieldName.equals(WFInputConstants.DATA_TYPE)) {
+                generator.setParameter(WFInputConstants.DATA_TYPE, value);
+                q = generator.selectQuery(em);
+                results = q.getResultList();
+                if (results.size() != 0) {
+                    for (Object result : results) {
+                        WorkflowInput workflowInput = (WorkflowInput) result;
+                        wfInputResourceIDs.add(workflowInput.getWfTemplateId());
+                    }
+                }
+            } else {
+                em.getTransaction().commit();
+                em.close();
+                logger.error("Unsupported field name for WFInput resource.", new IllegalArgumentException());
+                throw new IllegalArgumentException("Unsupported field name for WFInput Resource.");
+            }
+            em.getTransaction().commit();
+            em.close();
+        } catch (Exception e) {
+            logger.error(e.getMessage(), e);
+            throw new AppCatalogException(e);
+        } finally {
+            if (em != null && em.isOpen()) {
+                if (em.getTransaction().isActive()) {
+                    em.getTransaction().rollback();
+                }
+                em.close();
+            }
+        }
+        return wfInputResourceIDs;
+    }
+
+    public void save() throws AppCatalogException {
+        EntityManager em = null;
+        try {
+            em = AppCatalogJPAUtils.getEntityManager();
+            WorkflowInput existingWFInput = em.find(WorkflowInput.class, new WorkflowInput_PK(wfTemplateId, inputKey));
+            em.close();
+            WorkflowInput workflowInput;
+            em = AppCatalogJPAUtils.getEntityManager();
+            em.getTransaction().begin();
+            if (existingWFInput == null) {
+                workflowInput = new WorkflowInput();
+            } else {
+            	workflowInput=existingWFInput;
+            }
+            workflowInput.setWfTemplateId(wfTemplateId);
+            Workflow workflow = em.find(Workflow.class, wfTemplateId);
+            workflowInput.setWorkflow(workflow);
+            workflowInput.setDataType(dataType);
+            workflowInput.setInputKey(inputKey);
+            if (inputVal != null){
+                workflowInput.setInputVal(inputVal.toCharArray());
+            }
+            workflowInput.setMetadata(metadata);
+            workflowInput.setAppArgument(appArgument);
+            workflowInput.setUserFriendlyDesc(userFriendlyDesc);
+            workflowInput.setStandardInput(standardInput);
+            workflowInput.setRequiredToCMD(requiredToCMD);
+            workflowInput.setRequired(isRequired);
+            workflowInput.setDataStaged(dataStaged);
+            if (existingWFInput == null) {
+                em.persist(workflowInput);
+            } else {
+                em.merge(workflowInput);
+            }
+            em.getTransaction().commit();
+            em.close();
+        } catch (Exception e) {
+            logger.error(e.getMessage(), e);
+            throw new AppCatalogException(e);
+        } finally {
+            if (em != null && em.isOpen()) {
+                if (em.getTransaction().isActive()) {
+                    em.getTransaction().rollback();
+                }
+                em.close();
+            }
+        }
+    }
+
+    public boolean isExists(Object identifier) throws AppCatalogException {
+        HashMap<String, String> ids;
+        if (identifier instanceof Map) {
+            ids = (HashMap<String, String>) identifier;
+        } else {
+            logger.error("Identifier should be a map with the field name and it's value");
+            throw new AppCatalogException("Identifier should be a map with the field name and it's value");
+        }
+
+        EntityManager em = null;
+        try {
+            em = AppCatalogJPAUtils.getEntityManager();
+            WorkflowInput workflowInput = em.find(WorkflowInput.class, new WorkflowInput_PK(
+                    ids.get(WFInputConstants.WF_TEMPLATE_ID),
+                    ids.get(WFInputConstants.INPUT_KEY)));
+
+            em.close();
+            return workflowInput != null;
+        } catch (ApplicationSettingsException e) {
+            logger.error(e.getMessage(), e);
+            throw new AppCatalogException(e);
+        } finally {
+            if (em != null && em.isOpen()) {
+                if (em.getTransaction().isActive()) {
+                    em.getTransaction().rollback();
+                }
+                em.close();
+            }
+        }
+    }
+
+    public String getWfTemplateId() {
+        return wfTemplateId;
+    }
+
+    public void setWfTemplateId(String wfTemplateId) {
+        this.wfTemplateId = wfTemplateId;
+    }
+
+    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 getInputVal() {
+        return inputVal;
+    }
+
+    public void setInputVal(String inputVal) {
+        this.inputVal = inputVal;
+    }
+
+    public String getMetadata() {
+        return metadata;
+    }
+
+    public void setMetadata(String metadata) {
+        this.metadata = metadata;
+    }
+
+    public String getAppArgument() {
+        return appArgument;
+    }
+
+    public void setAppArgument(String appArgument) {
+        this.appArgument = appArgument;
+    }
+
+    public String getUserFriendlyDesc() {
+        return userFriendlyDesc;
+    }
+
+    public void setUserFriendlyDesc(String userFriendlyDesc) {
+        this.userFriendlyDesc = userFriendlyDesc;
+    }
+
+    public WorkflowResource getWorkflowResource() {
+        return workflowResource;
+    }
+
+    public void setWorkflowResource(WorkflowResource workflowResource) {
+        this.workflowResource = workflowResource;
+    }
+
+    public boolean isStandardInput() {
+        return standardInput;
+    }
+
+    public void setStandardInput(boolean standardInput) {
+        this.standardInput = standardInput;
+    }
+
+    public int getInputOrder() {
+        return inputOrder;
+    }
+
+    public void setInputOrder(int inputOrder) {
+        this.inputOrder = inputOrder;
+    }
+
+    public boolean getRequired() {
+        return isRequired;
+    }
+
+    public void setRequired(boolean required) {
+        this.isRequired = required;
+    }
+
+    public boolean getRequiredToCMD() {
+        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/ec8c6202/modules/registry/registry-core/src/main/java/org/apache/airavata/registry/core/app/catalog/resources/WorkflowOutputAppCatalogResourceAppCat.java
----------------------------------------------------------------------
diff --git a/modules/registry/registry-core/src/main/java/org/apache/airavata/registry/core/app/catalog/resources/WorkflowOutputAppCatalogResourceAppCat.java b/modules/registry/registry-core/src/main/java/org/apache/airavata/registry/core/app/catalog/resources/WorkflowOutputAppCatalogResourceAppCat.java
new file mode 100644
index 0000000..75f5f7e
--- /dev/null
+++ b/modules/registry/registry-core/src/main/java/org/apache/airavata/registry/core/app/catalog/resources/WorkflowOutputAppCatalogResourceAppCat.java
@@ -0,0 +1,410 @@
+/**
+ * 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.app.catalog.resources;
+
+import org.apache.airavata.common.exception.ApplicationSettingsException;
+import org.apache.airavata.registry.core.app.catalog.model.Workflow;
+import org.apache.airavata.registry.core.app.catalog.model.WorkflowOutput;
+import org.apache.airavata.registry.core.app.catalog.model.WorkflowOutput_PK;
+import org.apache.airavata.registry.core.app.catalog.util.AppCatalogJPAUtils;
+import org.apache.airavata.registry.core.app.catalog.util.AppCatalogQueryGenerator;
+import org.apache.airavata.registry.core.app.catalog.util.AppCatalogResourceType;
+import org.apache.airavata.registry.cpi.AppCatalogException;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import javax.persistence.EntityManager;
+import javax.persistence.Query;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+public class WorkflowOutputAppCatalogResourceAppCat extends AppCatAbstractResource {
+    private final static Logger logger = LoggerFactory.getLogger(WorkflowOutputAppCatalogResourceAppCat.class);
+
+    private String wfTemplateId;
+    private String outputKey;
+    private String outputVal;
+    private String dataType;
+    private String validityType;
+    private boolean dataMovement;
+    private String dataNameLocation;
+
+    private WorkflowAppCatalogResourceAppCat workflowResource;
+
+    public void remove(Object identifier) throws AppCatalogException {
+        HashMap<String, String> ids;
+        if (identifier instanceof Map) {
+            ids = (HashMap) identifier;
+        } else {
+            logger.error("Identifier should be a map with the field name and it's value");
+            throw new AppCatalogException("Identifier should be a map with the field name and it's value");
+        }
+
+        EntityManager em = null;
+        try {
+            em = AppCatalogJPAUtils.getEntityManager();
+            em.getTransaction().begin();
+            AppCatalogQueryGenerator generator = new AppCatalogQueryGenerator(WORKFLOW_OUTPUT);
+            generator.setParameter(WFOutputConstants.WF_TEMPLATE_ID, ids.get(WFOutputConstants.WF_TEMPLATE_ID));
+            generator.setParameter(WFOutputConstants.OUTPUT_KEY, ids.get(WFOutputConstants.OUTPUT_KEY));
+            Query q = generator.deleteQuery(em);
+            q.executeUpdate();
+            em.getTransaction().commit();
+            em.close();
+        } catch (ApplicationSettingsException e) {
+            logger.error(e.getMessage(), e);
+            throw new AppCatalogException(e);
+        } finally {
+            if (em != null && em.isOpen()) {
+                if (em.getTransaction().isActive()) {
+                    em.getTransaction().rollback();
+                }
+                em.close();
+            }
+        }
+    }
+
+    public AppCatalogResource get(Object identifier) throws AppCatalogException {
+        HashMap<String, String> ids;
+        if (identifier instanceof Map) {
+            ids = (HashMap) identifier;
+        } else {
+            logger.error("Identifier should be a map with the field name and it's value");
+            throw new AppCatalogException("Identifier should be a map with the field name and it's value");
+        }
+
+        EntityManager em = null;
+        try {
+            em = AppCatalogJPAUtils.getEntityManager();
+            em.getTransaction().begin();
+            AppCatalogQueryGenerator generator = new AppCatalogQueryGenerator(WORKFLOW_OUTPUT);
+            generator.setParameter(WFOutputConstants.WF_TEMPLATE_ID, ids.get(WFOutputConstants.WF_TEMPLATE_ID));
+            generator.setParameter(WFOutputConstants.OUTPUT_KEY, ids.get(WFOutputConstants.OUTPUT_KEY));
+            Query q = generator.selectQuery(em);
+            WorkflowOutput wfOutput = (WorkflowOutput) q.getSingleResult();
+            WorkflowOutputAppCatalogResourceAppCat workflowOutputResource =
+                    (WorkflowOutputAppCatalogResourceAppCat) AppCatalogJPAUtils.getResource(AppCatalogResourceType.WORKFLOW_OUTPUT
+                            , wfOutput);
+            em.getTransaction().commit();
+            em.close();
+            return workflowOutputResource;
+        } catch (ApplicationSettingsException e) {
+            logger.error(e.getMessage(), e);
+            throw new AppCatalogException(e);
+        } finally {
+            if (em != null && em.isOpen()) {
+                if (em.getTransaction().isActive()) {
+                    em.getTransaction().rollback();
+                }
+                em.close();
+            }
+        }
+    }
+
+    public List<AppCatalogResource> get(String fieldName, Object value) throws AppCatalogException {
+        List<AppCatalogResource> wfOutputResources = new ArrayList<AppCatalogResource>();
+        EntityManager em = null;
+        try {
+            em = AppCatalogJPAUtils.getEntityManager();
+            em.getTransaction().begin();
+            Query q;
+            AppCatalogQueryGenerator generator = new AppCatalogQueryGenerator(WORKFLOW_OUTPUT);
+            List results;
+            if (fieldName.equals(WFOutputConstants.WF_TEMPLATE_ID)) {
+                generator.setParameter(WFOutputConstants.WF_TEMPLATE_ID, value);
+                q = generator.selectQuery(em);
+                results = q.getResultList();
+                if (results.size() != 0) {
+                    for (Object result : results) {
+                        WorkflowOutput wfOutput = (WorkflowOutput) result;
+                        WorkflowOutputAppCatalogResourceAppCat workflowOutputResource =
+                                (WorkflowOutputAppCatalogResourceAppCat) AppCatalogJPAUtils.getResource(
+                                        AppCatalogResourceType.WORKFLOW_OUTPUT, wfOutput);
+                        wfOutputResources.add(workflowOutputResource);
+                    }
+                }
+            } else if (fieldName.equals(WFOutputConstants.OUTPUT_KEY)) {
+                generator.setParameter(WFOutputConstants.OUTPUT_KEY, value);
+                q = generator.selectQuery(em);
+                results = q.getResultList();
+                if (results.size() != 0) {
+                    for (Object result : results) {
+                        WorkflowOutput workflowOutput = (WorkflowOutput) result;
+                        WorkflowOutputAppCatalogResourceAppCat workflowOutputResource =
+                                (WorkflowOutputAppCatalogResourceAppCat) AppCatalogJPAUtils.getResource(
+                                        AppCatalogResourceType.WORKFLOW_OUTPUT, workflowOutput);
+                        wfOutputResources.add(workflowOutputResource);
+                    }
+                }
+            } else if (fieldName.equals(WFOutputConstants.DATA_TYPE)) {
+                generator.setParameter(WFOutputConstants.DATA_TYPE, value);
+                q = generator.selectQuery(em);
+                results = q.getResultList();
+                if (results.size() != 0) {
+                    for (Object result : results) {
+                        WorkflowOutput workflowOutput = (WorkflowOutput) result;
+                        WorkflowOutputAppCatalogResourceAppCat workflowOutputResource =
+                                (WorkflowOutputAppCatalogResourceAppCat) AppCatalogJPAUtils.getResource(
+                                        AppCatalogResourceType.WORKFLOW_OUTPUT, workflowOutput);
+                        wfOutputResources.add(workflowOutputResource);
+                    }
+                }
+            } else {
+                em.getTransaction().commit();
+                em.close();
+                logger.error("Unsupported field name for WF Output Resource.", new IllegalArgumentException());
+                throw new IllegalArgumentException("Unsupported field name for WF Output Resource.");
+            }
+            em.getTransaction().commit();
+            em.close();
+        } catch (Exception e) {
+            logger.error(e.getMessage(), e);
+            throw new AppCatalogException(e);
+        } finally {
+            if (em != null && em.isOpen()) {
+                if (em.getTransaction().isActive()) {
+                    em.getTransaction().rollback();
+                }
+                em.close();
+            }
+        }
+        return wfOutputResources;
+    }
+
+    public List<AppCatalogResource> getAll() throws AppCatalogException {
+        return null;
+    }
+
+    public List<String> getAllIds() throws AppCatalogException {
+        return null;
+    }
+
+    public List<String> getIds(String fieldName, Object value) throws AppCatalogException {
+        List<String> wfOutputResourceIDs = new ArrayList<String>();
+        EntityManager em = null;
+        try {
+            em = AppCatalogJPAUtils.getEntityManager();
+            em.getTransaction().begin();
+            Query q;
+            AppCatalogQueryGenerator generator = new AppCatalogQueryGenerator(WORKFLOW_OUTPUT);
+            List results;
+            if (fieldName.equals(WFOutputConstants.WF_TEMPLATE_ID)) {
+                generator.setParameter(WFOutputConstants.WF_TEMPLATE_ID, value);
+                q = generator.selectQuery(em);
+                results = q.getResultList();
+                if (results.size() != 0) {
+                    for (Object result : results) {
+                        WorkflowOutput workflowOutput = (WorkflowOutput) result;
+                        wfOutputResourceIDs.add(workflowOutput.getWfTemplateId());
+                    }
+                }
+            }
+            if (fieldName.equals(WFOutputConstants.OUTPUT_KEY)) {
+                generator.setParameter(WFOutputConstants.OUTPUT_KEY, value);
+                q = generator.selectQuery(em);
+                results = q.getResultList();
+                if (results.size() != 0) {
+                    for (Object result : results) {
+                        WorkflowOutput workflowOutput = (WorkflowOutput) result;
+                        wfOutputResourceIDs.add(workflowOutput.getWfTemplateId());
+                    }
+                }
+            } else if (fieldName.equals(WFOutputConstants.DATA_TYPE)) {
+                generator.setParameter(WFOutputConstants.DATA_TYPE, value);
+                q = generator.selectQuery(em);
+                results = q.getResultList();
+                if (results.size() != 0) {
+                    for (Object result : results) {
+                        WorkflowOutput workflowOutput = (WorkflowOutput) result;
+                        wfOutputResourceIDs.add(workflowOutput.getWfTemplateId());
+                    }
+                }
+            } else {
+                em.getTransaction().commit();
+                em.close();
+                logger.error("Unsupported field name for WF Output resource.", new IllegalArgumentException());
+                throw new IllegalArgumentException("Unsupported field name for WF Output Resource.");
+            }
+            em.getTransaction().commit();
+            em.close();
+        } catch (Exception e) {
+            logger.error(e.getMessage(), e);
+            throw new AppCatalogException(e);
+        } finally {
+            if (em != null && em.isOpen()) {
+                if (em.getTransaction().isActive()) {
+                    em.getTransaction().rollback();
+                }
+                em.close();
+            }
+        }
+        return wfOutputResourceIDs;
+    }
+
+    public void save() throws AppCatalogException {
+        EntityManager em = null;
+        try {
+            em = AppCatalogJPAUtils.getEntityManager();
+            WorkflowOutput existingWorkflowOutput = em.find(WorkflowOutput.class,
+                    new WorkflowOutput_PK(wfTemplateId, outputKey));
+            em.close();
+
+            em = AppCatalogJPAUtils.getEntityManager();
+            em.getTransaction().begin();
+            if (existingWorkflowOutput != null) {
+                existingWorkflowOutput.setWfTemplateId(wfTemplateId);
+                Workflow workflow = em.find(Workflow.class, wfTemplateId);
+                existingWorkflowOutput.setWorkflow(workflow);
+                existingWorkflowOutput.setDataType(dataType);
+                existingWorkflowOutput.setOutputKey(outputKey);
+                if (outputVal != null){
+                    existingWorkflowOutput.setOutputVal(outputVal.toCharArray());
+                }
+                existingWorkflowOutput.setValidityType(validityType);
+                existingWorkflowOutput.setDataMovement(dataMovement);
+                existingWorkflowOutput.setDataNameLocation(dataNameLocation);
+                em.merge(existingWorkflowOutput);
+            } else {
+                WorkflowOutput workflowOutput = new WorkflowOutput();
+                workflowOutput.setWfTemplateId(wfTemplateId);
+                Workflow workflow = em.find(Workflow.class, wfTemplateId);
+                workflowOutput.setWorkflow(workflow);
+                workflowOutput.setDataType(dataType);
+                workflowOutput.setOutputKey(outputKey);
+                if (outputVal != null){
+                    workflowOutput.setOutputVal(outputVal.toCharArray());
+                }
+                workflowOutput.setValidityType(validityType);
+                workflowOutput.setDataMovement(dataMovement);
+                workflowOutput.setDataNameLocation(dataNameLocation);
+                em.persist(workflowOutput);
+            }
+            em.getTransaction().commit();
+            em.close();
+        } catch (Exception e) {
+            logger.error(e.getMessage(), e);
+            throw new AppCatalogException(e);
+        } finally {
+            if (em != null && em.isOpen()) {
+                if (em.getTransaction().isActive()) {
+                    em.getTransaction().rollback();
+                }
+                em.close();
+            }
+        }
+    }
+
+    public boolean isExists(Object identifier) throws AppCatalogException {
+        HashMap<String, String> ids;
+        if (identifier instanceof Map) {
+            ids = (HashMap) identifier;
+        } else {
+            logger.error("Identifier should be a map with the field name and it's value");
+            throw new AppCatalogException("Identifier should be a map with the field name and it's value");
+        }
+
+        EntityManager em = null;
+        try {
+            em = AppCatalogJPAUtils.getEntityManager();
+            WorkflowOutput workflowOutput = em.find(WorkflowOutput.class, new WorkflowOutput_PK(
+                    ids.get(WFOutputConstants.WF_TEMPLATE_ID),
+                    ids.get(WFOutputConstants.OUTPUT_KEY)));
+
+            em.close();
+            return workflowOutput != null;
+        } catch (ApplicationSettingsException e) {
+            logger.error(e.getMessage(), e);
+            throw new AppCatalogException(e);
+        } finally {
+            if (em != null && em.isOpen()) {
+                if (em.getTransaction().isActive()) {
+                    em.getTransaction().rollback();
+                }
+                em.close();
+            }
+        }
+    }
+
+    public String getWfTemplateId() {
+        return wfTemplateId;
+    }
+
+    public void setWfTemplateId(String wfTemplateId) {
+        this.wfTemplateId = wfTemplateId;
+    }
+
+    public String getOutputKey() {
+        return outputKey;
+    }
+
+    public void setOutputKey(String outputKey) {
+        this.outputKey = outputKey;
+    }
+
+    public String getOutputVal() {
+        return outputVal;
+    }
+
+    public void setOutputVal(String outputVal) {
+        this.outputVal = outputVal;
+    }
+
+    public String getDataType() {
+        return dataType;
+    }
+
+    public void setDataType(String dataType) {
+        this.dataType = dataType;
+    }
+
+    public WorkflowAppCatalogResourceAppCat getWorkflowResource() {
+        return workflowResource;
+    }
+
+    public void setWorkflowResource(WorkflowAppCatalogResourceAppCat workflowResource) {
+        this.workflowResource = workflowResource;
+    }
+
+    public String getValidityType() {
+        return validityType;
+    }
+
+    public void setValidityType(String validityType) {
+        this.validityType = validityType;
+    }
+
+    public boolean isDataMovement() {
+        return dataMovement;
+    }
+
+    public void setDataMovement(boolean dataMovement) {
+        this.dataMovement = dataMovement;
+    }
+
+    public String getDataNameLocation() {
+        return dataNameLocation;
+    }
+
+    public void setDataNameLocation(String dataNameLocation) {
+        this.dataNameLocation = dataNameLocation;
+    }
+}

http://git-wip-us.apache.org/repos/asf/airavata/blob/ec8c6202/modules/registry/registry-core/src/main/java/org/apache/airavata/registry/core/app/catalog/resources/WorkflowOutputResource.java
----------------------------------------------------------------------
diff --git a/modules/registry/registry-core/src/main/java/org/apache/airavata/registry/core/app/catalog/resources/WorkflowOutputResource.java b/modules/registry/registry-core/src/main/java/org/apache/airavata/registry/core/app/catalog/resources/WorkflowOutputResource.java
new file mode 100644
index 0000000..7f180bd
--- /dev/null
+++ b/modules/registry/registry-core/src/main/java/org/apache/airavata/registry/core/app/catalog/resources/WorkflowOutputResource.java
@@ -0,0 +1,410 @@
+/**
+ * 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.aiaravata.application.catalog.data.resources;
+
+import org.airavata.appcatalog.cpi.AppCatalogException;
+import org.apache.aiaravata.application.catalog.data.model.Workflow;
+import org.apache.aiaravata.application.catalog.data.model.WorkflowOutput;
+import org.apache.aiaravata.application.catalog.data.model.WorkflowOutput_PK;
+import org.apache.aiaravata.application.catalog.data.util.AppCatalogJPAUtils;
+import org.apache.aiaravata.application.catalog.data.util.AppCatalogQueryGenerator;
+import org.apache.aiaravata.application.catalog.data.util.AppCatalogResourceType;
+import org.apache.airavata.common.exception.ApplicationSettingsException;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import javax.persistence.EntityManager;
+import javax.persistence.Query;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+public class WorkflowOutputResource extends AbstractResource {
+    private final static Logger logger = LoggerFactory.getLogger(WorkflowOutputResource.class);
+
+    private String wfTemplateId;
+    private String outputKey;
+    private String outputVal;
+    private String dataType;
+    private String validityType;
+    private boolean dataMovement;
+    private String dataNameLocation;
+
+    private WorkflowResource workflowResource;
+
+    public void remove(Object identifier) throws AppCatalogException {
+        HashMap<String, String> ids;
+        if (identifier instanceof Map) {
+            ids = (HashMap) identifier;
+        } else {
+            logger.error("Identifier should be a map with the field name and it's value");
+            throw new AppCatalogException("Identifier should be a map with the field name and it's value");
+        }
+
+        EntityManager em = null;
+        try {
+            em = AppCatalogJPAUtils.getEntityManager();
+            em.getTransaction().begin();
+            AppCatalogQueryGenerator generator = new AppCatalogQueryGenerator(WORKFLOW_OUTPUT);
+            generator.setParameter(WFOutputConstants.WF_TEMPLATE_ID, ids.get(WFOutputConstants.WF_TEMPLATE_ID));
+            generator.setParameter(WFOutputConstants.OUTPUT_KEY, ids.get(WFOutputConstants.OUTPUT_KEY));
+            Query q = generator.deleteQuery(em);
+            q.executeUpdate();
+            em.getTransaction().commit();
+            em.close();
+        } catch (ApplicationSettingsException e) {
+            logger.error(e.getMessage(), e);
+            throw new AppCatalogException(e);
+        } finally {
+            if (em != null && em.isOpen()) {
+                if (em.getTransaction().isActive()) {
+                    em.getTransaction().rollback();
+                }
+                em.close();
+            }
+        }
+    }
+
+    public Resource get(Object identifier) throws AppCatalogException {
+        HashMap<String, String> ids;
+        if (identifier instanceof Map) {
+            ids = (HashMap) identifier;
+        } else {
+            logger.error("Identifier should be a map with the field name and it's value");
+            throw new AppCatalogException("Identifier should be a map with the field name and it's value");
+        }
+
+        EntityManager em = null;
+        try {
+            em = AppCatalogJPAUtils.getEntityManager();
+            em.getTransaction().begin();
+            AppCatalogQueryGenerator generator = new AppCatalogQueryGenerator(WORKFLOW_OUTPUT);
+            generator.setParameter(WFOutputConstants.WF_TEMPLATE_ID, ids.get(WFOutputConstants.WF_TEMPLATE_ID));
+            generator.setParameter(WFOutputConstants.OUTPUT_KEY, ids.get(WFOutputConstants.OUTPUT_KEY));
+            Query q = generator.selectQuery(em);
+            WorkflowOutput wfOutput = (WorkflowOutput) q.getSingleResult();
+            WorkflowOutputResource workflowOutputResource =
+                    (WorkflowOutputResource) AppCatalogJPAUtils.getResource(AppCatalogResourceType.WORKFLOW_OUTPUT
+                            , wfOutput);
+            em.getTransaction().commit();
+            em.close();
+            return workflowOutputResource;
+        } catch (ApplicationSettingsException e) {
+            logger.error(e.getMessage(), e);
+            throw new AppCatalogException(e);
+        } finally {
+            if (em != null && em.isOpen()) {
+                if (em.getTransaction().isActive()) {
+                    em.getTransaction().rollback();
+                }
+                em.close();
+            }
+        }
+    }
+
+    public List<Resource> get(String fieldName, Object value) throws AppCatalogException {
+        List<Resource> wfOutputResources = new ArrayList<Resource>();
+        EntityManager em = null;
+        try {
+            em = AppCatalogJPAUtils.getEntityManager();
+            em.getTransaction().begin();
+            Query q;
+            AppCatalogQueryGenerator generator = new AppCatalogQueryGenerator(WORKFLOW_OUTPUT);
+            List results;
+            if (fieldName.equals(WFOutputConstants.WF_TEMPLATE_ID)) {
+                generator.setParameter(WFOutputConstants.WF_TEMPLATE_ID, value);
+                q = generator.selectQuery(em);
+                results = q.getResultList();
+                if (results.size() != 0) {
+                    for (Object result : results) {
+                        WorkflowOutput wfOutput = (WorkflowOutput) result;
+                        WorkflowOutputResource workflowOutputResource =
+                                (WorkflowOutputResource) AppCatalogJPAUtils.getResource(
+                                        AppCatalogResourceType.WORKFLOW_OUTPUT, wfOutput);
+                        wfOutputResources.add(workflowOutputResource);
+                    }
+                }
+            } else if (fieldName.equals(WFOutputConstants.OUTPUT_KEY)) {
+                generator.setParameter(WFOutputConstants.OUTPUT_KEY, value);
+                q = generator.selectQuery(em);
+                results = q.getResultList();
+                if (results.size() != 0) {
+                    for (Object result : results) {
+                        WorkflowOutput workflowOutput = (WorkflowOutput) result;
+                        WorkflowOutputResource workflowOutputResource =
+                                (WorkflowOutputResource) AppCatalogJPAUtils.getResource(
+                                        AppCatalogResourceType.WORKFLOW_OUTPUT, workflowOutput);
+                        wfOutputResources.add(workflowOutputResource);
+                    }
+                }
+            } else if (fieldName.equals(WFOutputConstants.DATA_TYPE)) {
+                generator.setParameter(WFOutputConstants.DATA_TYPE, value);
+                q = generator.selectQuery(em);
+                results = q.getResultList();
+                if (results.size() != 0) {
+                    for (Object result : results) {
+                        WorkflowOutput workflowOutput = (WorkflowOutput) result;
+                        WorkflowOutputResource workflowOutputResource =
+                                (WorkflowOutputResource) AppCatalogJPAUtils.getResource(
+                                        AppCatalogResourceType.WORKFLOW_OUTPUT, workflowOutput);
+                        wfOutputResources.add(workflowOutputResource);
+                    }
+                }
+            } else {
+                em.getTransaction().commit();
+                em.close();
+                logger.error("Unsupported field name for WF Output Resource.", new IllegalArgumentException());
+                throw new IllegalArgumentException("Unsupported field name for WF Output Resource.");
+            }
+            em.getTransaction().commit();
+            em.close();
+        } catch (Exception e) {
+            logger.error(e.getMessage(), e);
+            throw new AppCatalogException(e);
+        } finally {
+            if (em != null && em.isOpen()) {
+                if (em.getTransaction().isActive()) {
+                    em.getTransaction().rollback();
+                }
+                em.close();
+            }
+        }
+        return wfOutputResources;
+    }
+
+    public List<Resource> getAll() throws AppCatalogException {
+        return null;
+    }
+
+    public List<String> getAllIds() throws AppCatalogException {
+        return null;
+    }
+
+    public List<String> getIds(String fieldName, Object value) throws AppCatalogException {
+        List<String> wfOutputResourceIDs = new ArrayList<String>();
+        EntityManager em = null;
+        try {
+            em = AppCatalogJPAUtils.getEntityManager();
+            em.getTransaction().begin();
+            Query q;
+            AppCatalogQueryGenerator generator = new AppCatalogQueryGenerator(WORKFLOW_OUTPUT);
+            List results;
+            if (fieldName.equals(WFOutputConstants.WF_TEMPLATE_ID)) {
+                generator.setParameter(WFOutputConstants.WF_TEMPLATE_ID, value);
+                q = generator.selectQuery(em);
+                results = q.getResultList();
+                if (results.size() != 0) {
+                    for (Object result : results) {
+                        WorkflowOutput workflowOutput = (WorkflowOutput) result;
+                        wfOutputResourceIDs.add(workflowOutput.getWfTemplateId());
+                    }
+                }
+            }
+            if (fieldName.equals(WFOutputConstants.OUTPUT_KEY)) {
+                generator.setParameter(WFOutputConstants.OUTPUT_KEY, value);
+                q = generator.selectQuery(em);
+                results = q.getResultList();
+                if (results.size() != 0) {
+                    for (Object result : results) {
+                        WorkflowOutput workflowOutput = (WorkflowOutput) result;
+                        wfOutputResourceIDs.add(workflowOutput.getWfTemplateId());
+                    }
+                }
+            } else if (fieldName.equals(WFOutputConstants.DATA_TYPE)) {
+                generator.setParameter(WFOutputConstants.DATA_TYPE, value);
+                q = generator.selectQuery(em);
+                results = q.getResultList();
+                if (results.size() != 0) {
+                    for (Object result : results) {
+                        WorkflowOutput workflowOutput = (WorkflowOutput) result;
+                        wfOutputResourceIDs.add(workflowOutput.getWfTemplateId());
+                    }
+                }
+            } else {
+                em.getTransaction().commit();
+                em.close();
+                logger.error("Unsupported field name for WF Output resource.", new IllegalArgumentException());
+                throw new IllegalArgumentException("Unsupported field name for WF Output Resource.");
+            }
+            em.getTransaction().commit();
+            em.close();
+        } catch (Exception e) {
+            logger.error(e.getMessage(), e);
+            throw new AppCatalogException(e);
+        } finally {
+            if (em != null && em.isOpen()) {
+                if (em.getTransaction().isActive()) {
+                    em.getTransaction().rollback();
+                }
+                em.close();
+            }
+        }
+        return wfOutputResourceIDs;
+    }
+
+    public void save() throws AppCatalogException {
+        EntityManager em = null;
+        try {
+            em = AppCatalogJPAUtils.getEntityManager();
+            WorkflowOutput existingWorkflowOutput = em.find(WorkflowOutput.class,
+                    new WorkflowOutput_PK(wfTemplateId, outputKey));
+            em.close();
+
+            em = AppCatalogJPAUtils.getEntityManager();
+            em.getTransaction().begin();
+            if (existingWorkflowOutput != null) {
+                existingWorkflowOutput.setWfTemplateId(wfTemplateId);
+                Workflow workflow = em.find(Workflow.class, wfTemplateId);
+                existingWorkflowOutput.setWorkflow(workflow);
+                existingWorkflowOutput.setDataType(dataType);
+                existingWorkflowOutput.setOutputKey(outputKey);
+                if (outputVal != null){
+                    existingWorkflowOutput.setOutputVal(outputVal.toCharArray());
+                }
+                existingWorkflowOutput.setValidityType(validityType);
+                existingWorkflowOutput.setDataMovement(dataMovement);
+                existingWorkflowOutput.setDataNameLocation(dataNameLocation);
+                em.merge(existingWorkflowOutput);
+            } else {
+                WorkflowOutput workflowOutput = new WorkflowOutput();
+                workflowOutput.setWfTemplateId(wfTemplateId);
+                Workflow workflow = em.find(Workflow.class, wfTemplateId);
+                workflowOutput.setWorkflow(workflow);
+                workflowOutput.setDataType(dataType);
+                workflowOutput.setOutputKey(outputKey);
+                if (outputVal != null){
+                    workflowOutput.setOutputVal(outputVal.toCharArray());
+                }
+                workflowOutput.setValidityType(validityType);
+                workflowOutput.setDataMovement(dataMovement);
+                workflowOutput.setDataNameLocation(dataNameLocation);
+                em.persist(workflowOutput);
+            }
+            em.getTransaction().commit();
+            em.close();
+        } catch (Exception e) {
+            logger.error(e.getMessage(), e);
+            throw new AppCatalogException(e);
+        } finally {
+            if (em != null && em.isOpen()) {
+                if (em.getTransaction().isActive()) {
+                    em.getTransaction().rollback();
+                }
+                em.close();
+            }
+        }
+    }
+
+    public boolean isExists(Object identifier) throws AppCatalogException {
+        HashMap<String, String> ids;
+        if (identifier instanceof Map) {
+            ids = (HashMap) identifier;
+        } else {
+            logger.error("Identifier should be a map with the field name and it's value");
+            throw new AppCatalogException("Identifier should be a map with the field name and it's value");
+        }
+
+        EntityManager em = null;
+        try {
+            em = AppCatalogJPAUtils.getEntityManager();
+            WorkflowOutput workflowOutput = em.find(WorkflowOutput.class, new WorkflowOutput_PK(
+                    ids.get(WFOutputConstants.WF_TEMPLATE_ID),
+                    ids.get(WFOutputConstants.OUTPUT_KEY)));
+
+            em.close();
+            return workflowOutput != null;
+        } catch (ApplicationSettingsException e) {
+            logger.error(e.getMessage(), e);
+            throw new AppCatalogException(e);
+        } finally {
+            if (em != null && em.isOpen()) {
+                if (em.getTransaction().isActive()) {
+                    em.getTransaction().rollback();
+                }
+                em.close();
+            }
+        }
+    }
+
+    public String getWfTemplateId() {
+        return wfTemplateId;
+    }
+
+    public void setWfTemplateId(String wfTemplateId) {
+        this.wfTemplateId = wfTemplateId;
+    }
+
+    public String getOutputKey() {
+        return outputKey;
+    }
+
+    public void setOutputKey(String outputKey) {
+        this.outputKey = outputKey;
+    }
+
+    public String getOutputVal() {
+        return outputVal;
+    }
+
+    public void setOutputVal(String outputVal) {
+        this.outputVal = outputVal;
+    }
+
+    public String getDataType() {
+        return dataType;
+    }
+
+    public void setDataType(String dataType) {
+        this.dataType = dataType;
+    }
+
+    public WorkflowResource getWorkflowResource() {
+        return workflowResource;
+    }
+
+    public void setWorkflowResource(WorkflowResource workflowResource) {
+        this.workflowResource = workflowResource;
+    }
+
+    public String getValidityType() {
+        return validityType;
+    }
+
+    public void setValidityType(String validityType) {
+        this.validityType = validityType;
+    }
+
+    public boolean isDataMovement() {
+        return dataMovement;
+    }
+
+    public void setDataMovement(boolean dataMovement) {
+        this.dataMovement = dataMovement;
+    }
+
+    public String getDataNameLocation() {
+        return dataNameLocation;
+    }
+
+    public void setDataNameLocation(String dataNameLocation) {
+        this.dataNameLocation = dataNameLocation;
+    }
+}

http://git-wip-us.apache.org/repos/asf/airavata/blob/ec8c6202/modules/registry/registry-core/src/main/java/org/apache/airavata/registry/core/app/catalog/resources/WorkflowResource.java
----------------------------------------------------------------------
diff --git a/modules/registry/registry-core/src/main/java/org/apache/airavata/registry/core/app/catalog/resources/WorkflowResource.java b/modules/registry/registry-core/src/main/java/org/apache/airavata/registry/core/app/catalog/resources/WorkflowResource.java
new file mode 100644
index 0000000..3e52019
--- /dev/null
+++ b/modules/registry/registry-core/src/main/java/org/apache/airavata/registry/core/app/catalog/resources/WorkflowResource.java
@@ -0,0 +1,382 @@
+/*
+ *
+ * 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.aiaravata.application.catalog.data.resources;
+
+import org.airavata.appcatalog.cpi.AppCatalogException;
+import org.apache.aiaravata.application.catalog.data.model.Workflow;
+import org.apache.aiaravata.application.catalog.data.util.AppCatalogJPAUtils;
+import org.apache.aiaravata.application.catalog.data.util.AppCatalogQueryGenerator;
+import org.apache.aiaravata.application.catalog.data.util.AppCatalogResourceType;
+import org.apache.airavata.common.exception.ApplicationSettingsException;
+import org.apache.airavata.common.utils.AiravataUtils;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import javax.persistence.EntityManager;
+import javax.persistence.Query;
+import java.sql.Timestamp;
+import java.util.ArrayList;
+import java.util.List;
+
+public class WorkflowResource extends AbstractResource {
+    private final static Logger logger = LoggerFactory.getLogger(WorkflowResource.class);
+    private String wfName;
+    private String createdUser;
+    private String graph;
+    private String wfTemplateId;
+    private Timestamp createdTime;
+    private Timestamp updatedTime;
+    private String image;
+    private String gatewayId;
+
+    public Timestamp getCreatedTime() {
+        return createdTime;
+    }
+
+    public void setCreatedTime(Timestamp createdTime) {
+        this.createdTime = createdTime;
+    }
+
+    public Timestamp getUpdatedTime() {
+        return updatedTime;
+    }
+
+    public void setUpdatedTime(Timestamp updatedTime) {
+        this.updatedTime = updatedTime;
+    }
+
+    public String getImage() {
+        return image;
+    }
+
+    public void setImage(String image) {
+        this.image = image;
+    }
+
+    public String getGatewayId() {
+        return gatewayId;
+    }
+
+    public void setGatewayId(String gatewayId) {
+        this.gatewayId = gatewayId;
+    }
+
+    @Override
+    public void remove(Object identifier) throws AppCatalogException {
+        EntityManager em = null;
+        try {
+            em = AppCatalogJPAUtils.getEntityManager();
+            em.getTransaction().begin();
+            AppCatalogQueryGenerator generator = new AppCatalogQueryGenerator(WORKFLOW);
+            generator.setParameter(WorkflowConstants.WF_TEMPLATE_ID, identifier);
+            Query q = generator.deleteQuery(em);
+            q.executeUpdate();
+            em.getTransaction().commit();
+            em.close();
+        } catch (ApplicationSettingsException e) {
+            logger.error(e.getMessage(), e);
+            throw new AppCatalogException(e);
+        } finally {
+            if (em != null && em.isOpen()) {
+                if (em.getTransaction().isActive()) {
+                    em.getTransaction().rollback();
+                }
+                em.close();
+            }
+        }
+    }
+
+    @Override
+    public Resource get(Object identifier) throws AppCatalogException {
+        EntityManager em = null;
+        try {
+            em = AppCatalogJPAUtils.getEntityManager();
+            em.getTransaction().begin();
+            AppCatalogQueryGenerator generator = new AppCatalogQueryGenerator(WORKFLOW);
+            generator.setParameter(WorkflowConstants.WF_TEMPLATE_ID, identifier);
+            Query q = generator.selectQuery(em);
+            Workflow workflow = (Workflow) q.getSingleResult();
+            WorkflowResource workflowResource = (WorkflowResource) AppCatalogJPAUtils.getResource(AppCatalogResourceType.WORKFLOW, workflow);
+            em.getTransaction().commit();
+            em.close();
+            return workflowResource;
+        } catch (ApplicationSettingsException e) {
+            logger.error(e.getMessage(), e);
+            throw new AppCatalogException(e);
+        } finally {
+            if (em != null && em.isOpen()) {
+                if (em.getTransaction().isActive()) {
+                    em.getTransaction().rollback();
+                }
+                em.close();
+            }
+        }
+    }
+
+    @Override
+    public List<Resource> get(String fieldName, Object value) throws AppCatalogException {
+        List<Resource> workflowResources = new ArrayList<Resource>();
+        EntityManager em = null;
+        try {
+            em = AppCatalogJPAUtils.getEntityManager();
+            em.getTransaction().begin();
+            AppCatalogQueryGenerator generator = new AppCatalogQueryGenerator(WORKFLOW);
+            Query q;
+            if ((fieldName.equals(WorkflowConstants.WF_NAME)) || (fieldName.equals(WorkflowConstants.CREATED_USER)) || (fieldName.equals(WorkflowConstants.GRAPH)) || (fieldName.equals(WorkflowConstants.WF_TEMPLATE_ID))) {
+                generator.setParameter(fieldName, value);
+                q = generator.selectQuery(em);
+                List<?> results = q.getResultList();
+                for (Object result : results) {
+                    Workflow workflow = (Workflow) result;
+                    WorkflowResource workflowResource = (WorkflowResource) AppCatalogJPAUtils.getResource(AppCatalogResourceType.WORKFLOW, workflow);
+                    workflowResources.add(workflowResource);
+                }
+            } else {
+                em.getTransaction().commit();
+                em.close();
+                logger.error("Unsupported field name for Workflow Resource.", new IllegalArgumentException());
+                throw new IllegalArgumentException("Unsupported field name for Workflow Resource.");
+            }
+            em.getTransaction().commit();
+            em.close();
+        } catch (ApplicationSettingsException e) {
+            logger.error(e.getMessage(), e);
+            throw new AppCatalogException(e);
+        } finally {
+            if (em != null && em.isOpen()) {
+                if (em.getTransaction().isActive()) {
+                    em.getTransaction().rollback();
+                }
+                em.close();
+            }
+        }
+        return workflowResources;
+    }
+
+    @Override
+    public List<Resource> getAll() throws AppCatalogException {
+        List<Resource> workflows = new ArrayList<Resource>();
+        EntityManager em = null;
+        try {
+            em = AppCatalogJPAUtils.getEntityManager();
+            em.getTransaction().begin();
+            AppCatalogQueryGenerator generator = new AppCatalogQueryGenerator(WORKFLOW);
+            generator.setParameter(WorkflowConstants.GATEWAY_ID, gatewayId);
+            Query q = generator.selectQuery(em);
+            List results = q.getResultList();
+            if (results.size() != 0) {
+                for (Object result : results) {
+                    Workflow workflow = (Workflow) result;
+                    WorkflowResource wfResource =
+                            (WorkflowResource) AppCatalogJPAUtils.getResource(AppCatalogResourceType.WORKFLOW, workflow);
+                    workflows.add(wfResource);
+                }
+            }
+            em.getTransaction().commit();
+            em.close();
+        } catch (Exception e) {
+            logger.error(e.getMessage(), e);
+            throw new AppCatalogException(e);
+        } finally {
+            if (em != null && em.isOpen()) {
+                if (em.getTransaction().isActive()) {
+                    em.getTransaction().rollback();
+                }
+                em.close();
+            }
+        }
+        return workflows;
+    }
+
+    @Override
+    public List<String> getAllIds() throws AppCatalogException {
+        List<String> workflowIds = new ArrayList<String>();
+        EntityManager em = null;
+        try {
+            em = AppCatalogJPAUtils.getEntityManager();
+            em.getTransaction().begin();
+            AppCatalogQueryGenerator generator = new AppCatalogQueryGenerator(WORKFLOW);
+            generator.setParameter(WorkflowConstants.GATEWAY_ID, gatewayId);
+            Query q = generator.selectQuery(em);
+            List results = q.getResultList();
+            if (results.size() != 0) {
+                for (Object result : results) {
+                    Workflow workflow = (Workflow) result;
+                    workflowIds.add(workflow.getWfTemplateId());
+                }
+            }
+            em.getTransaction().commit();
+            em.close();
+        } catch (Exception e) {
+            logger.error(e.getMessage(), e);
+            throw new AppCatalogException(e);
+        } finally {
+            if (em != null && em.isOpen()) {
+                if (em.getTransaction().isActive()) {
+                    em.getTransaction().rollback();
+                }
+                em.close();
+            }
+        }
+        return workflowIds;
+    }
+
+    @Override
+    public List<String> getIds(String fieldName, Object value) throws AppCatalogException {
+        List<String> workflowResourceIDs = new ArrayList<String>();
+        EntityManager em = null;
+        try {
+            em = AppCatalogJPAUtils.getEntityManager();
+            em.getTransaction().begin();
+            AppCatalogQueryGenerator generator = new AppCatalogQueryGenerator(WORKFLOW);
+            Query q;
+            if ((fieldName.equals(WorkflowConstants.WF_NAME)) || (fieldName.equals(WorkflowConstants.CREATED_USER)) || (fieldName.equals(WorkflowConstants.GRAPH)) || (fieldName.equals(WorkflowConstants.WF_TEMPLATE_ID))) {
+                generator.setParameter(fieldName, value);
+                q = generator.selectQuery(em);
+                List<?> results = q.getResultList();
+                for (Object result : results) {
+                    Workflow workflow = (Workflow) result;
+                    WorkflowResource workflowResource = (WorkflowResource) AppCatalogJPAUtils.getResource(AppCatalogResourceType.WORKFLOW, workflow);
+                    workflowResourceIDs.add(workflowResource.getWfTemplateId());
+                }
+            } else {
+                em.getTransaction().commit();
+                em.close();
+                logger.error("Unsupported field name for Workflow Resource.", new IllegalArgumentException());
+                throw new IllegalArgumentException("Unsupported field name for Workflow Resource.");
+            }
+            em.getTransaction().commit();
+            em.close();
+        } catch (ApplicationSettingsException e) {
+            logger.error(e.getMessage(), e);
+            throw new AppCatalogException(e);
+        } finally {
+            if (em != null && em.isOpen()) {
+                if (em.getTransaction().isActive()) {
+                    em.getTransaction().rollback();
+                }
+                em.close();
+            }
+        }
+        return workflowResourceIDs;
+    }
+
+    @Override
+    public void save() throws AppCatalogException {
+        EntityManager em = null;
+        try {
+            em = AppCatalogJPAUtils.getEntityManager();
+            Workflow existingWorkflow = em.find(Workflow.class, wfTemplateId);
+            em.close();
+            Workflow workflow;
+            em = AppCatalogJPAUtils.getEntityManager();
+            em.getTransaction().begin();
+            if (existingWorkflow == null) {
+                workflow = new Workflow();
+                workflow.setCreationTime(AiravataUtils.getCurrentTimestamp());
+            } else {
+                workflow = existingWorkflow;
+                workflow.setUpdateTime(AiravataUtils.getCurrentTimestamp());
+            }
+            workflow.setWfName(getWfName());
+            workflow.setCreatedUser(getCreatedUser());
+            workflow.setGatewayId(gatewayId);
+            if (getGraph() != null){
+                workflow.setGraph(getGraph().toCharArray());
+            }
+            if (image != null){
+                workflow.setImage(image.getBytes());
+            }
+            workflow.setWfTemplateId(getWfTemplateId());
+            if (existingWorkflow == null) {
+                em.persist(workflow);
+            } else {
+                em.merge(workflow);
+            }
+            em.getTransaction().commit();
+            em.close();
+        } catch (Exception e) {
+            logger.error(e.getMessage(), e);
+            throw new AppCatalogException(e);
+        } finally {
+            if (em != null && em.isOpen()) {
+                if (em.getTransaction().isActive()) {
+                    em.getTransaction().rollback();
+                }
+                em.close();
+            }
+        }
+    }
+
+    @Override
+    public boolean isExists(Object identifier) throws AppCatalogException {
+        EntityManager em = null;
+        try {
+            em = AppCatalogJPAUtils.getEntityManager();
+            Workflow workflow = em.find(Workflow.class, identifier);
+            em.close();
+            return workflow != null;
+        } catch (ApplicationSettingsException e) {
+            logger.error(e.getMessage(), e);
+            throw new AppCatalogException(e);
+        } finally {
+            if (em != null && em.isOpen()) {
+                if (em.getTransaction().isActive()) {
+                    em.getTransaction().rollback();
+                }
+                em.close();
+            }
+        }
+    }
+
+    public String getWfName() {
+        return wfName;
+    }
+
+    public String getCreatedUser() {
+        return createdUser;
+    }
+
+    public String getGraph() {
+        return graph;
+    }
+
+    public String getWfTemplateId() {
+        return wfTemplateId;
+    }
+
+    public void setWfName(String wfName) {
+        this.wfName=wfName;
+    }
+
+    public void setCreatedUser(String createdUser) {
+        this.createdUser=createdUser;
+    }
+
+    public void setGraph(String graph) {
+        this.graph=graph;
+    }
+
+    public void setWfTemplateId(String wfTemplateId) {
+        this.wfTemplateId=wfTemplateId;
+    }
+}