Third part of onap rename

This part of the commit changes the folder structure on all other
folders of appc.

Change-Id: I8acfa11cdfcdcd36be0e137245d1dd7324f1abd3
Signed-off-by: Patrick Brady <pb071s@att.com>
Issue-ID: APPC-13

7 files changed, 727 insertions, 0 deletions

diff --git a/appc-dg-util/appc-dg-util-bundle/src/main/java/org/onap/appc/dg/util/AppcDgUtilActivator.java b/appc-dg-util/appc-dg-util-bundle/src/main/java/org/onap/appc/dg/util/AppcDgUtilActivator.java
new file mode 100644
index 000000000..486d475f4
--- /dev/null
+++ b/appc-dg-util/appc-dg-util-bundle/src/main/java/org/onap/appc/dg/util/AppcDgUtilActivator.java
@@ -0,0 +1,58 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP : APPC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Copyright (C) 2017 Amdocs
+ * =============================================================================
+ * Licensed 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.
+ * 
+ * ECOMP is a trademark and service mark of AT&T Intellectual Property.
+ * ============LICENSE_END=========================================================
+ */
+
+/*
+ * 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.onap.appc.dg.util;
+
+import org.osgi.framework.BundleActivator;
+import org.osgi.framework.BundleContext;
+
+public class AppcDgUtilActivator implements BundleActivator {
+
+    public void start(BundleContext context) {
+        System.out.println("Starting the bundle");
+    }
+
+    public void stop(BundleContext context) {
+        System.out.println("Stopping the bundle");
+    }
+
+}
diff --git a/appc-dg-util/appc-dg-util-bundle/src/main/java/org/onap/appc/dg/util/ExecuteNodeAction.java b/appc-dg-util/appc-dg-util-bundle/src/main/java/org/onap/appc/dg/util/ExecuteNodeAction.java
new file mode 100644
index 000000000..38bc0955d
--- /dev/null
+++ b/appc-dg-util/appc-dg-util-bundle/src/main/java/org/onap/appc/dg/util/ExecuteNodeAction.java
@@ -0,0 +1,43 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP : APPC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Copyright (C) 2017 Amdocs
+ * =============================================================================
+ * Licensed 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.
+ * 
+ * ECOMP is a trademark and service mark of AT&T Intellectual Property.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.appc.dg.util;
+
+import java.util.Map;
+
+import org.onap.appc.exceptions.APPCException;
+import org.onap.ccsdk.sli.core.sli.SvcLogicContext;
+import org.onap.ccsdk.sli.core.sli.SvcLogicJavaPlugin;
+
+
+public interface  ExecuteNodeAction extends SvcLogicJavaPlugin {
+     void getResource(Map<String, String> params, SvcLogicContext ctx) throws APPCException;
+
+     void postResource(Map<String, String> params, SvcLogicContext ctx) throws APPCException;
+
+     void deleteResource(Map<String, String> params, SvcLogicContext ctx) throws APPCException;
+
+     void getVnfHierarchy(Map<String, String> params, SvcLogicContext ctx) throws APPCException;
+     void waitMethod(Map<String, String> params, SvcLogicContext ctx) throws APPCException;
+}
diff --git a/appc-dg-util/appc-dg-util-bundle/src/main/java/org/onap/appc/dg/util/InputParameterValidation.java b/appc-dg-util/appc-dg-util-bundle/src/main/java/org/onap/appc/dg/util/InputParameterValidation.java
new file mode 100644
index 000000000..714e12a03
--- /dev/null
+++ b/appc-dg-util/appc-dg-util-bundle/src/main/java/org/onap/appc/dg/util/InputParameterValidation.java
@@ -0,0 +1,42 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP : APPC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Copyright (C) 2017 Amdocs
+ * =============================================================================
+ * Licensed 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.
+ * 
+ * ECOMP is a trademark and service mark of AT&T Intellectual Property.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.appc.dg.util;
+
+import java.util.Map;
+
+import org.onap.appc.exceptions.APPCException;
+import org.onap.ccsdk.sli.core.sli.SvcLogicContext;
+import org.onap.ccsdk.sli.core.sli.SvcLogicJavaPlugin;
+
+
+public interface InputParameterValidation extends SvcLogicJavaPlugin {
+
+     void validateAttribute(Map<String, String> params, SvcLogicContext ctx) throws APPCException;
+
+     void validateAttributeLength(Map<String, String> params, SvcLogicContext ctx) throws APPCException;
+
+     void validateAttributeCharacter(Map<String, String> params, SvcLogicContext ctx) throws APPCException;
+
+}
diff --git a/appc-dg-util/appc-dg-util-bundle/src/main/java/org/onap/appc/dg/util/UpgradeStubNode.java b/appc-dg-util/appc-dg-util-bundle/src/main/java/org/onap/appc/dg/util/UpgradeStubNode.java
new file mode 100644
index 000000000..4f0a80f5a
--- /dev/null
+++ b/appc-dg-util/appc-dg-util-bundle/src/main/java/org/onap/appc/dg/util/UpgradeStubNode.java
@@ -0,0 +1,36 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP : APPC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Copyright (C) 2017 Amdocs
+ * =============================================================================
+ * Licensed 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.
+ * 
+ * ECOMP is a trademark and service mark of AT&T Intellectual Property.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.appc.dg.util;
+
+import java.util.Map;
+
+import org.onap.appc.exceptions.APPCException;
+import org.onap.ccsdk.sli.core.sli.SvcLogicContext;
+import org.onap.ccsdk.sli.core.sli.SvcLogicJavaPlugin;
+
+
+public interface UpgradeStubNode extends SvcLogicJavaPlugin {
+    void handleUpgradeStub(Map<String, String> params, SvcLogicContext ctx) throws APPCException;
+}
diff --git a/appc-dg-util/appc-dg-util-bundle/src/main/java/org/onap/appc/dg/util/impl/ExecuteNodeActionImpl.java b/appc-dg-util/appc-dg-util-bundle/src/main/java/org/onap/appc/dg/util/impl/ExecuteNodeActionImpl.java
new file mode 100644
index 000000000..b5dc40712
--- /dev/null
+++ b/appc-dg-util/appc-dg-util-bundle/src/main/java/org/onap/appc/dg/util/impl/ExecuteNodeActionImpl.java
@@ -0,0 +1,362 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP : APPC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Copyright (C) 2017 Amdocs
+ * =============================================================================
+ * Licensed 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.
+ * 
+ * ECOMP is a trademark and service mark of AT&T Intellectual Property.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.appc.dg.util.impl;
+
+import org.onap.appc.dg.util.ExecuteNodeAction;
+import org.onap.appc.exceptions.APPCException;
+import org.onap.appc.i18n.Msg;
+import com.att.eelf.configuration.EELFLogger;
+import com.att.eelf.configuration.EELFManager;
+import com.att.eelf.i18n.EELFResourceManager;
+import org.onap.ccsdk.sli.core.sli.SvcLogicContext;
+import org.onap.ccsdk.sli.core.sli.SvcLogicException;
+import org.onap.ccsdk.sli.core.sli.SvcLogicResource;
+import org.onap.ccsdk.sli.adaptors.aai.AAIClient;
+import org.onap.ccsdk.sli.adaptors.aai.AAIService;
+import org.osgi.framework.BundleContext;
+import org.osgi.framework.FrameworkUtil;
+import org.osgi.framework.ServiceReference;
+
+import java.util.*;
+import java.util.concurrent.ConcurrentHashMap;
+
+
+public class ExecuteNodeActionImpl implements ExecuteNodeAction {
+
+    private AAIService aaiService;
+    protected static AAIClient client;
+    private static final EELFLogger logger = EELFManager.getInstance().getLogger(ExecuteNodeActionImpl.class);
+
+    public static final String DG_OUTPUT_STATUS_MESSAGE = "output.status.message";
+    public ExecuteNodeActionImpl() {
+    }
+
+    /**
+     * initialize the SDNC adapter (AAIService) by building the context.
+     */
+    private void initialize() {
+        getAAIservice();
+    }
+
+    private void getAAIservice() {
+        BundleContext bctx = FrameworkUtil.getBundle(AAIService.class).getBundleContext();
+        // Get AAIadapter reference
+        ServiceReference sref = bctx.getServiceReference(AAIService.class.getName());
+        if (sref != null) {
+            logger.info("AAIService from bundlecontext");
+            aaiService = (AAIService) bctx.getService(sref);
+
+        } else {
+            logger.info("AAIService error from bundlecontext");
+            logger.error(EELFResourceManager.format(Msg.AAI_CONNECTION_FAILED, "AAIService"));
+        }
+    }
+
+    /**
+     * Method called in TestDG to test timeout scenario
+     *
+     * @param params waitTime time in millisecond DG is going to sleep
+     * @param ctx
+     * @throws APPCException
+     */
+    @Override public void waitMethod(Map<String, String> params, SvcLogicContext ctx) throws APPCException {
+        try {
+            String waitTime = params.get("waitTime");
+
+            logger.info("DG will waits for " + Long.parseLong(waitTime) + "milliseconds");
+            Thread.sleep(Long.parseLong(waitTime));
+            logger.info("DG waits for " + Long.parseLong(waitTime) + " milliseconds completed");
+        } catch (InterruptedException e) {
+            logger.error("Error In ExecuteNodeActionImpl for waitMethod() due to InterruptedException: reason = " + e.getMessage());
+        }
+    }
+
+    @Override public void getResource(Map<String, String> params, SvcLogicContext ctx) throws APPCException {
+        initialize();
+        String resourceType = params.get("resourceType"), ctx_prefix = params.get("prefix"), resourceKey =
+                params.get("resourceKey");
+        if (logger.isDebugEnabled()) {
+            logger.debug("inside getResorce");
+            logger.debug("Retrieving " + resourceType + " details from A&AI for Key : " + resourceKey);
+        }
+        client = aaiService;
+        try {
+            SvcLogicResource.QueryStatus response =
+                    client.query(resourceType, false, null, resourceKey, ctx_prefix, null, ctx);
+            logger.info("AAIResponse: " + response.toString());
+            ctx.setAttribute("getResource_result", response.toString());
+        } catch (SvcLogicException e) {
+            logger.error(EELFResourceManager.format(Msg.AAI_GET_DATA_FAILED, resourceKey, "", e.getMessage()));
+        }
+        if (logger.isDebugEnabled()) {
+            logger.debug("exiting getResource======");
+        }
+    }
+
+    @Override public void postResource(Map<String, String> params, SvcLogicContext ctx) throws APPCException {
+        initialize();
+        String resourceType = params.get("resourceType"), ctx_prefix = params.get("prefix"), resourceKey =
+                params.get("resourceKey"), att_name = params.get("attributeName"), att_value =
+                params.get("attributeValue");
+        if (logger.isDebugEnabled()) {
+            logger.debug("inside postResource");
+            logger.debug("Updating " + resourceType + " details in A&AI for Key : " + resourceKey);
+            logger.debug("Updating " + att_name + " to : " + att_value);
+        }
+        Map<String, String> data = new HashMap<String, String>();
+        data.put(att_name, att_value);
+        client = aaiService;
+
+        try {
+            SvcLogicResource.QueryStatus response = client.update(resourceType, resourceKey, data, ctx_prefix, ctx);
+            logger.info("AAIResponse: " + response.toString());
+            ctx.setAttribute("postResource_result", response.toString());
+        } catch (SvcLogicException e) {
+            logger.error(EELFResourceManager.format(Msg.AAI_UPDATE_FAILED, resourceKey, att_value, e.getMessage()));
+        }
+        if (logger.isDebugEnabled()) {
+            logger.debug("exiting postResource======");
+        }
+    }
+
+    @Override public void deleteResource(Map<String, String> params, SvcLogicContext ctx) throws APPCException {
+        initialize();
+        String resourceType = params.get("resourceType"), resourceKey = params.get("resourceKey");
+
+        if (logger.isDebugEnabled()) {
+            logger.debug("inside deleteResource");
+            logger.debug("Deleting " + resourceType + " details From A&AI for Key : " + resourceKey);
+        }
+        client = aaiService;
+        try {
+            SvcLogicResource.QueryStatus response = client.delete(resourceType, resourceKey, ctx);
+            logger.info("AAIResponse: " + response.toString());
+            ctx.setAttribute("deleteResource_result", response.toString());
+        } catch (SvcLogicException e) {
+            logger.error(EELFResourceManager.format(Msg.AAI_DELETE_FAILED, resourceKey, e.getMessage()));
+        }
+        if (logger.isDebugEnabled()) {
+            logger.debug("exiting deleteResource======");
+        }
+    }
+
+    @Override public void getVnfHierarchy(Map<String, String> params, SvcLogicContext ctx) throws APPCException {
+        if (logger.isDebugEnabled()) {
+            logger.debug("Inside getVnfHierarchy======");
+        }
+        //String ctx_prefix = params.get("prefix");
+        String resourceKey = params.get("resourceKey");
+       // String retrivalVnfKey = "vnf-id = '" + resourceKey + "' AND relationship-key = 'vserver.vserver-id'";
+        String retrivalVnfKey = "generic-vnf.vnf-id = '" + resourceKey + "'";
+        Map<String, String> paramsVnf = new HashMap<String, String>();
+        paramsVnf.put("resourceType", "generic-vnf");
+        paramsVnf.put("prefix", "vnfRetrived");
+        paramsVnf.put("resourceKey", retrivalVnfKey);
+        logger.debug("Retrieving VNF details from A&AI");
+        //Retrive all the relations of VNF
+        SvcLogicContext vnfCtx = new SvcLogicContext();
+        getResource(paramsVnf, vnfCtx);
+        if (vnfCtx.getAttribute("getResource_result").equals("SUCCESS")) {
+            if (vnfCtx.getAttribute("vnfRetrived.heat-stack-id") != null) {
+                ctx.setAttribute("VNF.heat-stack-id", vnfCtx.getAttribute("vnfRetrived.heat-stack-id"));
+            }
+            ctx.setAttribute("vnf.type",vnfCtx.getAttribute("vnfRetrived.vnf-type"));
+            Map<String, String> vnfHierarchyMap = new ConcurrentHashMap<String, String>();
+
+            Map<String, Set<String>> vnfcHierarchyMap = new HashMap<String, Set<String>>();
+            int vmCount = 0;
+            int vnfcCount = 0;
+            Set<String> vmSet = null;
+            String vmURL = "";
+            logger.debug("Parsing Vserver details from VNF relations");
+            for (String ctxKeySet : vnfCtx
+                    .getAttributeKeySet()) {     //loop through relationship-list data, to get vserver relations
+                if (ctxKeySet.startsWith("vnfRetrived.") && vnfCtx.getAttribute(ctxKeySet).equalsIgnoreCase("vserver")) {
+                    String vmKey = ctxKeySet.substring(0, ctxKeySet.length() - "related-to".length());
+                    String vserverID = null;
+                    String tenantID = null;
+                    String cloudOwner = null;
+                    String cloudRegionId = null;
+                    int relationshipLength = 0;
+                    if (vnfCtx.getAttributeKeySet().contains(vmKey + "relationship-data_length")) {
+                        relationshipLength = Integer.parseInt(vnfCtx.getAttribute(vmKey + "relationship-data_length"));
+                    }
+
+                    for (int j = 0; j
+                            < relationshipLength; j++) {      //loop inside relationship data, to get vserver-id and tenant-id
+                        String key = vnfCtx.getAttribute(vmKey + "relationship-data[" + j + "].relationship-key");
+                        String value = vnfCtx.getAttribute(vmKey + "relationship-data[" + j + "].relationship-value");
+                        vnfHierarchyMap.put("VNF.VM[" + vmCount + "]." + key, value);
+                        if ("vserver.vserver-id".equals(key)) {
+                            vserverID = value;
+                        }
+                        if ("tenant.tenant-id".equals(key)) {
+                            tenantID = value;
+                        }
+                        if ("cloud-region.cloud-owner".equals(key)) {
+                            cloudOwner = value;
+                        }
+                        if ("cloud-region.cloud-region-id".equals(key)) {
+                            cloudRegionId = value;
+                        }
+                    }
+                    int relatedPropertyLength = 0;
+                    if (vnfCtx.getAttributeKeySet().contains(vmKey + "related-to-property_length")) {
+                        relatedPropertyLength =
+                                Integer.parseInt(vnfCtx.getAttribute(vmKey + "related-to-property_length"));
+                    }
+                    for (int j = 0;
+                         j < relatedPropertyLength; j++) {   //loop inside related-to-property data, to get vserver-name
+                        String key = vnfCtx.getAttribute(vmKey + "related-to-property[" + j + "].property-key");
+                        String value = vnfCtx.getAttribute(vmKey + "related-to-property[" + j + "].property-value");
+                        vnfHierarchyMap.put("VNF.VM[" + vmCount + "]." + key, value);
+                    }
+                    //Retrive VM relations to find vnfc's
+                    //VM to VNFC is 1 to 1 relation
+                    String vmRetrivalKey = "vserver.vserver-id = '" + vserverID + "' AND tenant.tenant_id = '" + tenantID + "'" + "' AND cloud-region.cloud-owner = '" + cloudOwner + "' AND cloud-region.cloud-region-id = '" + cloudRegionId + "'";	
+                    Map<String, String> paramsVm = new HashMap<String, String>();
+                    paramsVm.put("resourceType", "vserver");
+                    paramsVm.put("prefix", "vmRetrived");
+                    paramsVm.put("resourceKey", vmRetrivalKey);
+                    SvcLogicContext vmCtx = new SvcLogicContext();
+
+                    logger.debug("Retrieving VM details from A&AI");
+                    getResource(paramsVm, vmCtx);
+                    if (vmCtx.getAttribute("getResource_result").equals("SUCCESS")) {
+                        if (logger.isDebugEnabled()) {
+                            logger.debug("Parsing VNFC details from VM relations");
+                        }
+                        vmURL = vmCtx.getAttribute("vmRetrived.vserver-selflink");
+                        vnfHierarchyMap.put("VNF.VM[" + vmCount + "].URL",vmURL);
+                        for (String ctxVnfcKeySet : vmCtx
+                                .getAttributeKeySet()) {    //loop through relationship-list data, to get vnfc relations
+                            if (ctxVnfcKeySet.startsWith("vmRetrived.") && vmCtx.getAttribute(ctxVnfcKeySet)
+                                    .equalsIgnoreCase("vnfc")) {
+                                String vnfcKey = ctxVnfcKeySet.substring(0,
+                                        ctxVnfcKeySet.length() - "related-to".length());
+                                relationshipLength = 0;
+                                if (vmCtx.getAttributeKeySet().contains(vnfcKey + "relationship-data_length")) {
+                                    relationshipLength = Integer.parseInt(
+                                            vmCtx.getAttribute(vnfcKey + "relationship-data_length"));
+                                }
+                                for (int j = 0; j
+                                        < relationshipLength; j++) {          //loop through relationship data, to get vnfc name
+                                    String key = vmCtx.getAttribute(
+                                            vnfcKey + "relationship-data[" + j + "].relationship-key");
+                                    String value = vmCtx.getAttribute(
+                                            vnfcKey + "relationship-data[" + j + "].relationship-value");
+                                    if (key.equalsIgnoreCase("vnfc.vnfc-name")) {
+                                        vnfHierarchyMap.put("VNF.VM[" + vmCount + "].VNFC", value);
+                                        vmSet = vnfcHierarchyMap.get(value);
+                                        if(vmSet == null){
+                                            vmSet = new HashSet<>();
+                                        }
+                                        vmSet.add(vmURL);
+                                        vnfcHierarchyMap.put(value,vmSet);
+                                        break; //VM to VNFC is 1 to 1 relation, once we got the VNFC name we can break the loop
+                                    }
+                                }
+                            }
+                        }
+                    } else {
+                        ctx.setAttribute(DG_OUTPUT_STATUS_MESSAGE, "Error Retrieving VNFC hierarchy");
+                        vnfHierarchyMap.put("getVnfHierarchy_result", "FAILURE");
+                        logger.error("Failed in getVnfHierarchy, Error retrieving Vserver details. Error message: "
+                                + vmCtx.getAttribute("getResource_result"));
+                        logger.warn("Incorrect or Incomplete VNF Hierarchy");
+                        throw new APPCException("Error Retrieving VNFC hierarchy");
+                    }
+                    vmCount++;
+                }
+            }
+            vnfHierarchyMap.put("VNF.VMCount", vmCount + "");
+            if (vmCount == 0) {
+                ctx.setAttribute(DG_OUTPUT_STATUS_MESSAGE, "VM count is 0");
+            }
+            //code changes for getting vnfcs hirearchy
+            populateVnfcsDetailsinContext(vnfcHierarchyMap,ctx);
+            //vnf,vnfcCount
+            ctx.setAttribute("VNF.VNFCCount",
+                    Integer.toString(vnfcHierarchyMap.size()));
+            //code changes for getting vnfcs hirearchy
+            ctx.setAttribute("getVnfHierarchy_result", "SUCCESS");
+            //Finally set all attributes to ctx
+            for (String attribute : vnfHierarchyMap.keySet()) {
+                ctx.setAttribute(attribute, vnfHierarchyMap.get(attribute));
+            }
+        } else {
+            ctx.setAttribute("getVnfHierarchy_result", "FAILURE");
+            ctx.setAttribute(DG_OUTPUT_STATUS_MESSAGE, "Error Retrieving VNFC hierarchy");
+            logger.error("Failed in getVnfHierarchy, Error retrieving VNF details. Error message: " + ctx
+                    .getAttribute("getResource_result"));
+            logger.warn("Incorrect or Incomplete VNF Hierarchy");
+            throw new APPCException("Error Retrieving VNFC hierarchy");
+        }
+        if (logger.isDebugEnabled()) {
+            logger.debug("exiting getVnfHierarchy======");
+        }
+    }
+
+    private void populateVnfcsDetailsinContext(Map<String, Set<String>> vnfcHierarchyMap, SvcLogicContext ctx) throws APPCException {
+//        int vnfcCount = vnfcHierarchyMap.size();
+        SvcLogicContext vnfcCtx = new SvcLogicContext();
+        int vnfcCounter = 0;
+        for (String vnfcName : vnfcHierarchyMap.keySet()) {
+            String vnfcRetrivalKey = "vnfc-name = '" + vnfcName + "'";
+            Map<String, String> paramsVnfc = new HashMap<String, String>();
+            paramsVnfc.put("resourceType", "vnfc");
+            paramsVnfc.put("prefix", "vnfcRetrived");
+            paramsVnfc.put("resourceKey", vnfcRetrivalKey);
+
+            logger.debug("Retrieving VM details from A&AI");
+            getResource(paramsVnfc, vnfcCtx);
+            if (vnfcCtx.getAttribute("getResource_result").equals("SUCCESS")) {
+                if (logger.isDebugEnabled()) {
+                    logger.debug("Parsing VNFC details from VM relations");
+                }
+                //putting required values in the map
+                //vnf.vnfc[vnfcIndex].type
+                ctx.setAttribute("VNF.VNFC[" + vnfcCounter + "].TYPE",
+                        vnfcCtx.getAttribute("vnfcRetrived.vnfc-type"));
+
+                // vnf.vnfc[vnfcIndex].name
+                ctx.setAttribute("VNF.VNFC[" + vnfcCounter + "].NAME",
+                        vnfcCtx.getAttribute("vnfcRetrived.vnfc-name"));
+
+                //vnf.vnfc[vnfcIndex].vmCount
+                Set<String> vmSet = vnfcHierarchyMap.get(vnfcName);
+                String vmCountinVnfcs = Integer.toString(vmSet.size());
+                ctx.setAttribute("VNF.VNFC[" + vnfcCounter + "].VM_COUNT",
+                        vmCountinVnfcs);
+                int vmCount =0;
+                for(String vmURL:vmSet){
+                    ctx.setAttribute("VNF.VNFC[" + vnfcCounter + "].VM[" + vmCount++ + "].URL",vmURL);
+                }
+
+            }
+            vnfcCounter++;
+        }
+    }
+}
diff --git a/appc-dg-util/appc-dg-util-bundle/src/main/java/org/onap/appc/dg/util/impl/InputParameterValidationImpl.java b/appc-dg-util/appc-dg-util-bundle/src/main/java/org/onap/appc/dg/util/impl/InputParameterValidationImpl.java
new file mode 100644
index 000000000..5ea48bf44
--- /dev/null
+++ b/appc-dg-util/appc-dg-util-bundle/src/main/java/org/onap/appc/dg/util/impl/InputParameterValidationImpl.java
@@ -0,0 +1,136 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP : APPC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Copyright (C) 2017 Amdocs
+ * =============================================================================
+ * Licensed 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.
+ * 
+ * ECOMP is a trademark and service mark of AT&T Intellectual Property.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.appc.dg.util.impl;
+
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Set;
+import java.util.regex.Pattern;
+
+import org.onap.appc.dg.util.InputParameterValidation;
+import org.onap.appc.exceptions.APPCException;
+import com.att.eelf.configuration.EELFLogger;
+import com.att.eelf.configuration.EELFManager;
+import org.onap.ccsdk.sli.core.sli.SvcLogicContext;
+
+
+
+public class InputParameterValidationImpl implements InputParameterValidation
+{
+    private static final char NL = '\n';
+    private static final EELFLogger logger = EELFManager.getInstance().getLogger(InputParameterValidationImpl.class);
+
+    public InputParameterValidationImpl() {
+    }
+
+
+    @SuppressWarnings("nls")
+    @Override
+    public void validateAttribute(Map<String, String> params, SvcLogicContext ctx) throws APPCException {
+        Map<String, String> contextParams=getValueFromContext(ctx);
+        boolean isSuccess = true;
+        try {
+            for (String k : params.keySet()) {
+                logger.info("validating attribute  " + k);
+                if (!contextParams.containsKey(k)) {
+                    logger.info("missing attribute  " + k);
+                    isSuccess =false;
+                }
+                if(contextParams.get(k)==null){
+                    logger.info("mandatory attribute " + k+ "is null");
+                    isSuccess =false;
+                }
+            }
+        }catch (NullPointerException np) {
+            isSuccess =false;
+        }
+        ctx.setAttribute("validateAttribute", String.valueOf(isSuccess));
+    }
+
+    @SuppressWarnings("nls")
+    @Override
+    public void validateAttributeLength(Map<String, String> params, SvcLogicContext ctx) throws APPCException {
+        Map<String, String> contextParams=getValueFromContext(ctx);
+        boolean isSuccess =true;
+        try {
+            int maxLength = Integer.parseInt(params.get("maximum_length_param"));
+            params.remove("maximum_length_param");
+
+            for (String k : params.keySet()) {
+                logger.info("validating attribute  " + k);
+                if(contextParams.get(k).length() > maxLength){
+                    logger.info("attribute " + k+ "'s length is exceeding Maximum limit of " + maxLength +" character");
+                    isSuccess=false;
+                }
+            }
+        }catch (NullPointerException np) {
+            isSuccess=false;
+        }
+        ctx.setAttribute("validateAttributeLength", String.valueOf(isSuccess));
+    }
+
+    @SuppressWarnings("nls")
+    @Override
+    public void validateAttributeCharacter(Map<String, String> params, SvcLogicContext ctx) throws APPCException {
+        Map<String, String> contextParams=getValueFromContext(ctx);
+        boolean isSuccess =true;
+        try {
+            String specialCharacter = params.get("special_characters");
+            String pattern = ".*[" + Pattern.quote(specialCharacter) + "].*";
+            params.remove("special_characters");
+
+            for (String k : params.keySet()) {
+                logger.info("validating attribute  " + k);
+                if(contextParams.get(k).matches(pattern)){
+                    logger.info("attribute " + k + " contains any of these " + specialCharacter + " special character ");
+                    isSuccess =false;
+                }
+
+            }
+        }catch (NullPointerException np) {
+            isSuccess =false;
+        }
+        ctx.setAttribute("validateAttributeCharacter", String.valueOf(isSuccess));
+    }
+
+
+    private Map<String, String> getValueFromContext(SvcLogicContext context) {
+        Set<String> keys = context.getAttributeKeySet();
+        Map<String, String> params = new HashMap<String, String>();
+        StringBuilder builder = new StringBuilder();
+        if (keys != null && !keys.isEmpty()) {
+            builder.append(NL);
+            for (String key : keys) {
+                String value = context.getAttribute(key);
+                params.put(key,value);
+
+            }
+        }
+        return params;
+
+    }
+
+
+}
diff --git a/appc-dg-util/appc-dg-util-bundle/src/main/java/org/onap/appc/dg/util/impl/UpgradeStubNodeImpl.java b/appc-dg-util/appc-dg-util-bundle/src/main/java/org/onap/appc/dg/util/impl/UpgradeStubNodeImpl.java
new file mode 100644
index 000000000..a7e650e9f
--- /dev/null
+++ b/appc-dg-util/appc-dg-util-bundle/src/main/java/org/onap/appc/dg/util/impl/UpgradeStubNodeImpl.java
@@ -0,0 +1,50 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP : APPC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Copyright (C) 2017 Amdocs
+ * =============================================================================
+ * Licensed 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.
+ * 
+ * ECOMP is a trademark and service mark of AT&T Intellectual Property.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.appc.dg.util.impl;
+
+import java.util.Map;
+
+import org.onap.appc.dg.util.UpgradeStubNode;
+import org.onap.appc.exceptions.APPCException;
+import com.att.eelf.configuration.EELFLogger;
+import com.att.eelf.configuration.EELFManager;
+import org.onap.ccsdk.sli.core.sli.SvcLogicContext;
+
+
+public class UpgradeStubNodeImpl implements UpgradeStubNode {
+
+    public static final String FAILURE_INDICATOR_FIELD_NAME = "failureIndicator";
+    private static final EELFLogger logger = EELFManager.getInstance().getLogger(UpgradeStubNodeImpl.class);
+
+    @Override
+    public void handleUpgradeStub(Map<String, String> params, SvcLogicContext ctx) throws APPCException {
+        logger.debug("Entering in handleUpgradeStub : "+ params.toString());
+        String failureInd = params.get(FAILURE_INDICATOR_FIELD_NAME);
+        if (null != failureInd &&  Boolean.valueOf(failureInd)){
+            throw new APPCException("Simulating exception...");
+        }
+        logger.info("Simulating was successful");
+    }
+}