update multi stage code to accurately skip bbs

moved around classes to packages that make more sense
updated license headers in java files
converted MultiStage logic to FlowManipulator
moved tests to new package location and fixed issues
allow for custom listeners before flowsToExecute
moved validation classes to listener.validation

Change-Id: Ic5416812ef9c5611fe19bf9b6aa316373b110ec6
Issue-ID: SO-2021
Signed-off-by: Benjamin, Max (mb388a) <mb388a@us.att.com>

17 files changed, 369 insertions, 70 deletions

diff --git a/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/adapter/vnfm/tasks/MonitorVnfmCreateJobTask.java b/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/adapter/vnfm/tasks/MonitorVnfmCreateJobTask.java
index 4c84bcaa1f..30f0d38754 100644
--- a/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/adapter/vnfm/tasks/MonitorVnfmCreateJobTask.java
+++ b/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/adapter/vnfm/tasks/MonitorVnfmCreateJobTask.java
@@ -1,8 +1,8 @@
 /*-
  * ============LICENSE_START=======================================================
- *  Copyright (C) 2019 Ericsson. All rights reserved.
+ * Copyright (C) 2019 Ericsson. All rights reserved.
  * ================================================================================
- *  Modifications Copyright (c) 2019 Samsung
+ * Copyright (C) 2019 Samsung
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -15,8 +15,6 @@
  * 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.
- * 
- * SPDX-License-Identifier: Apache-2.0
  * ============LICENSE_END=========================================================
  */
 package org.onap.so.bpmn.infrastructure.adapter.vnfm.tasks;
diff --git a/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/adapter/vnfm/tasks/MonitorVnfmDeleteJobTask.java b/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/adapter/vnfm/tasks/MonitorVnfmDeleteJobTask.java
index 34e3efa8f5..8fecb81d75 100644
--- a/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/adapter/vnfm/tasks/MonitorVnfmDeleteJobTask.java
+++ b/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/adapter/vnfm/tasks/MonitorVnfmDeleteJobTask.java
@@ -1,8 +1,8 @@
 /*-
  * ============LICENSE_START=======================================================
- *  Copyright (C) 2019 Ericsson. All rights reserved.
+ * Copyright (C) 2019 Ericsson. All rights reserved.
  * ================================================================================
- *  Modifications Copyright (c) 2019 Samsung
+ * Copyright (C) 2019 Samsung
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -15,8 +15,6 @@
  * 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.
- * 
- * SPDX-License-Identifier: Apache-2.0
  * ============LICENSE_END=========================================================
  */
 package org.onap.so.bpmn.infrastructure.adapter.vnfm.tasks;
diff --git a/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/flowspecific/tasks/ConfigDeployVnf.java b/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/flowspecific/tasks/ConfigDeployVnf.java
index dd36900139..cdbe0db57c 100644
--- a/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/flowspecific/tasks/ConfigDeployVnf.java
+++ b/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/flowspecific/tasks/ConfigDeployVnf.java
@@ -1,15 +1,20 @@
-/*
- * ============LICENSE_START======================================================= ONAP : SO
- * ================================================================================ Copyright 2019 TechMahindra
- * ================================================================================= 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.
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - SO
+ * ================================================================================
+ * Copyright (C) 2019 TechMahindra
+ * ================================================================================
+ * 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.
  * ============LICENSE_END=========================================================
  */
 
diff --git a/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/manualhandling/tasks/ManualHandlingTasks.java b/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/manualhandling/tasks/ManualHandlingTasks.java
index 3bf5139ac1..17089be571 100644
--- a/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/manualhandling/tasks/ManualHandlingTasks.java
+++ b/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/manualhandling/tasks/ManualHandlingTasks.java
@@ -1,3 +1,23 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - SO
+ * ================================================================================
+ * Copyright (C) 2017 - 2019 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
 package org.onap.so.bpmn.infrastructure.manualhandling.tasks;
 
 import java.util.Map;
diff --git a/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/sdnc/exceptions/SDNCErrorResponseException.java b/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/sdnc/exceptions/SDNCErrorResponseException.java
index d76d860b3b..b8f025aaa6 100644
--- a/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/sdnc/exceptions/SDNCErrorResponseException.java
+++ b/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/sdnc/exceptions/SDNCErrorResponseException.java
@@ -1,3 +1,23 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - SO
+ * ================================================================================
+ * Copyright (C) 2017 - 2019 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
 package org.onap.so.bpmn.infrastructure.sdnc.exceptions;
 
 public class SDNCErrorResponseException extends Exception {
diff --git a/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/validations/CloudRegionOrchestrationValidator.java b/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/validations/CloudRegionOrchestrationValidator.java
index 47855eaa6e..fc3f2aec7a 100644
--- a/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/validations/CloudRegionOrchestrationValidator.java
+++ b/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/validations/CloudRegionOrchestrationValidator.java
@@ -23,8 +23,8 @@ package org.onap.so.bpmn.infrastructure.validations;
 import java.util.Optional;
 import java.util.regex.Pattern;
 import org.onap.so.bpmn.common.BuildingBlockExecution;
-import org.onap.so.bpmn.common.validation.PreBuildingBlockValidator;
-import org.onap.so.bpmn.common.validation.Skip;
+import org.onap.so.bpmn.common.listener.Skip;
+import org.onap.so.bpmn.common.listener.validation.PreBuildingBlockValidator;
 import org.onap.so.bpmn.servicedecomposition.bbobjects.CloudRegion;
 import org.onap.so.client.exception.ExceptionBuilder;
 import org.slf4j.Logger;
diff --git a/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/workflow/tasks/VrfBondingServiceException.java b/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/workflow/tasks/VrfBondingServiceException.java
index 2f99b46d10..0584472e14 100644
--- a/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/workflow/tasks/VrfBondingServiceException.java
+++ b/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/workflow/tasks/VrfBondingServiceException.java
@@ -1,3 +1,23 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - SO
+ * ================================================================================
+ * Copyright (C) 2017 - 2019 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
 package org.onap.so.bpmn.infrastructure.workflow.tasks;
 
 public class VrfBondingServiceException extends Exception {
diff --git a/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/workflow/tasks/VrfValidation.java b/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/workflow/tasks/VrfValidation.java
index 9092b68491..1e0208b6ec 100644
--- a/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/workflow/tasks/VrfValidation.java
+++ b/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/workflow/tasks/VrfValidation.java
@@ -1,3 +1,23 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - SO
+ * ================================================================================
+ * Copyright (C) 2017 - 2019 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
 package org.onap.so.bpmn.infrastructure.workflow.tasks;
 
 import java.util.List;
diff --git a/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/workflow/tasks/WorkflowAction.java b/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/workflow/tasks/WorkflowAction.java
index ad84b38d7b..2e9e215ee0 100644
--- a/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/workflow/tasks/WorkflowAction.java
+++ b/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/workflow/tasks/WorkflowAction.java
@@ -42,6 +42,7 @@ import org.onap.aai.domain.yang.ServiceInstance;
 import org.onap.aai.domain.yang.Vnfc;
 import org.onap.aai.domain.yang.VolumeGroup;
 import org.onap.aai.domain.yang.VpnBinding;
+import org.onap.so.bpmn.common.BBConstants;
 import org.onap.so.bpmn.servicedecomposition.bbobjects.Configuration;
 import org.onap.so.bpmn.servicedecomposition.bbobjects.VfModule;
 import org.onap.so.bpmn.servicedecomposition.entities.BuildingBlock;
@@ -95,15 +96,6 @@ public class WorkflowAction {
     private static final String VF_MODULES = "vfModules";
     private static final String WORKFLOW_ACTION_WAS_UNABLE_TO_VERIFY_IF_THE_INSTANCE_NAME_ALREADY_EXIST_IN_AAI =
             "WorkflowAction was unable to verify if the instance name already exist in AAI.";
-    private static final String G_ORCHESTRATION_FLOW = "gOrchestrationFlow";
-    private static final String G_ACTION = "requestAction";
-    private static final String G_CURRENT_SEQUENCE = "gCurrentSequence";
-    private static final String G_REQUEST_ID = "mso-request-id";
-    private static final String G_BPMN_REQUEST = "bpmnRequest";
-    private static final String G_ALACARTE = "aLaCarte";
-    private static final String G_APIVERSION = "apiVersion";
-    private static final String G_URI = "requestUri";
-    private static final String G_ISTOPLEVELFLOW = "isTopLevelFlow";
     private static final String VNF_TYPE = "vnfType";
     private static final String SERVICE = "Service";
     private static final String VNF = "Vnf";
@@ -119,7 +111,6 @@ public class WorkflowAction {
             "vnfs|vfModules|networks|networkCollections|volumeGroups|serviceInstances|instanceGroups";
     private static final String HOMINGSOLUTION = "Homing_Solution";
     private static final String FABRIC_CONFIGURATION = "FabricConfiguration";
-    private static final String G_SERVICE_TYPE = "serviceType";
     private static final String SERVICE_TYPE_TRANSPORT = "TRANSPORT";
     private static final String SERVICE_TYPE_BONDING = "BONDING";
     private static final Logger logger = LoggerFactory.getLogger(WorkflowAction.class);
@@ -152,17 +143,19 @@ public class WorkflowAction {
     }
 
     public void selectExecutionList(DelegateExecution execution) throws Exception {
-        final String requestAction = (String) execution.getVariable(G_ACTION);
-        final String requestId = (String) execution.getVariable(G_REQUEST_ID);
-        final String bpmnRequest = (String) execution.getVariable(G_BPMN_REQUEST);
-        final boolean aLaCarte = (boolean) execution.getVariable(G_ALACARTE);
-        final String apiVersion = (String) execution.getVariable(G_APIVERSION);
-        final String uri = (String) execution.getVariable(G_URI);
+        final String requestAction = (String) execution.getVariable(BBConstants.G_ACTION);
+        final String requestId = (String) execution.getVariable(BBConstants.G_REQUEST_ID);
+        final String bpmnRequest = (String) execution.getVariable(BBConstants.G_BPMN_REQUEST);
+        final boolean aLaCarte = (boolean) execution.getVariable(BBConstants.G_ALACARTE);
+        final String apiVersion = (String) execution.getVariable(BBConstants.G_APIVERSION);
+        final String uri = (String) execution.getVariable(BBConstants.G_URI);
         final String vnfType = (String) execution.getVariable(VNF_TYPE);
         String serviceInstanceId = (String) execution.getVariable("serviceInstanceId");
-        final String serviceType = Optional.ofNullable((String) execution.getVariable(G_SERVICE_TYPE)).orElse("");
+        final String serviceType =
+                Optional.ofNullable((String) execution.getVariable(BBConstants.G_SERVICE_TYPE)).orElse("");
 
-        List<OrchestrationFlow> orchFlows = (List<OrchestrationFlow>) execution.getVariable(G_ORCHESTRATION_FLOW);
+        List<OrchestrationFlow> orchFlows =
+                (List<OrchestrationFlow>) execution.getVariable(BBConstants.G_ORCHESTRATION_FLOW);
         List<ExecuteBuildingBlock> flowsToExecute = new ArrayList<>();
         WorkflowResourceIds workflowResourceIds = populateResourceIdsFromApiHandler(execution);
         List<Pair<WorkflowType, String>> aaiResourceIds = new ArrayList<>();
@@ -173,7 +166,7 @@ public class WorkflowAction {
 
         try {
             ObjectMapper mapper = new ObjectMapper();
-            execution.setVariable(G_ISTOPLEVELFLOW, true);
+            execution.setVariable(BBConstants.G_ISTOPLEVELFLOW, true);
             ServiceInstancesRequest sIRequest = mapper.readValue(bpmnRequest, ServiceInstancesRequest.class);
             RequestDetails requestDetails = sIRequest.getRequestDetails();
             String cloudOwner = "";
@@ -361,7 +354,7 @@ public class WorkflowAction {
                 flowNames.add(ebb.getBuildingBlock().getBpmnFlowName());
             }
             execution.setVariable("flowNames", flowNames);
-            execution.setVariable(G_CURRENT_SEQUENCE, 0);
+            execution.setVariable(BBConstants.G_CURRENT_SEQUENCE, 0);
             execution.setVariable("retryCount", 0);
             execution.setVariable("isRollback", false);
             execution.setVariable("flowsToExecute", flowsToExecute);
@@ -1428,7 +1421,7 @@ public class WorkflowAction {
             }
         } else {
             if (northBoundRequest.getIsToplevelflow() != null) {
-                execution.setVariable(G_ISTOPLEVELFLOW, northBoundRequest.getIsToplevelflow());
+                execution.setVariable(BBConstants.G_ISTOPLEVELFLOW, northBoundRequest.getIsToplevelflow());
             }
             List<OrchestrationFlow> flows = northBoundRequest.getOrchestrationFlowList();
             if (flows == null)
diff --git a/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/workflow/tasks/WorkflowActionBBTasks.java b/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/workflow/tasks/WorkflowActionBBTasks.java
index e1c0d57b10..44152fcaf4 100644
--- a/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/workflow/tasks/WorkflowActionBBTasks.java
+++ b/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/workflow/tasks/WorkflowActionBBTasks.java
@@ -27,6 +27,8 @@ import java.util.UUID;
 import javax.persistence.EntityNotFoundException;
 import org.camunda.bpm.engine.delegate.DelegateExecution;
 import org.onap.aai.domain.yang.Vnfc;
+import org.onap.so.bpmn.common.DelegateExecutionImpl;
+import org.onap.so.bpmn.common.listener.flowmanipulator.FlowManipulatorListenerRunner;
 import org.onap.so.bpmn.common.workflow.context.WorkflowCallbackResponse;
 import org.onap.so.bpmn.common.workflow.context.WorkflowContextHolder;
 import org.onap.so.bpmn.servicedecomposition.entities.BuildingBlock;
@@ -77,41 +79,19 @@ public class WorkflowActionBBTasks {
     private BBInputSetupUtils bbInputSetupUtils;
     @Autowired
     private CatalogDbClient catalogDbClient;
+    @Autowired
+    private FlowManipulatorListenerRunner flowManipulatorListenerRunner;
 
     public void selectBB(DelegateExecution execution) {
         List<ExecuteBuildingBlock> flowsToExecute =
                 (List<ExecuteBuildingBlock>) execution.getVariable("flowsToExecute");
         execution.setVariable("MacroRollback", false);
-        int currentSequence = (int) execution.getVariable(G_CURRENT_SEQUENCE);
-        ExecuteBuildingBlock ebb = flowsToExecute.get(currentSequence);
 
-        if (ebb.getBuildingBlock().getBpmnFlowName().equals("ConfigAssignVnfBB")
-                || ebb.getBuildingBlock().getBpmnFlowName().equals("ConfigDeployVnfBB")) {
-            String vnfCustomizationUUID = ebb.getBuildingBlock().getKey();
+        flowManipulatorListenerRunner.modifyFlows(flowsToExecute, new DelegateExecutionImpl(execution));
+        int currentSequence = (int) execution.getVariable(G_CURRENT_SEQUENCE);
 
-            List<VnfResourceCustomization> vnfResourceCustomizations = catalogDbClient
-                    .getVnfResourceCustomizationByModelUuid(ebb.getRequestDetails().getModelInfo().getModelUuid());
-            if (vnfResourceCustomizations != null && vnfResourceCustomizations.size() >= 1) {
-                VnfResourceCustomization vrc = catalogDbClient.findVnfResourceCustomizationInList(vnfCustomizationUUID,
-                        vnfResourceCustomizations);
-                boolean skipConfigVNF = vrc.isSkipPostInstConf();
-                if (skipConfigVNF) {
-                    currentSequence++;
-                    ebb = flowsToExecute.get(currentSequence);
-                }
-            }
-        }
+        ExecuteBuildingBlock ebb = flowsToExecute.get(currentSequence);
 
-        boolean homing = (boolean) execution.getVariable("homing");
-        boolean calledHoming = (boolean) execution.getVariable("calledHoming");
-        if (homing && !calledHoming) {
-            if (ebb.getBuildingBlock().getBpmnFlowName().equals("AssignVnfBB")) {
-                ebb.setHoming(true);
-                execution.setVariable("calledHoming", true);
-            }
-        } else {
-            ebb.setHoming(false);
-        }
         execution.setVariable("buildingBlock", ebb);
         currentSequence++;
         if (currentSequence >= flowsToExecute.size()) {
diff --git a/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/workflow/tasks/listeners/HomingListener.java b/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/workflow/tasks/listeners/HomingListener.java
new file mode 100644
index 0000000000..6254aae029
--- /dev/null
+++ b/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/workflow/tasks/listeners/HomingListener.java
@@ -0,0 +1,51 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - SO
+ * ================================================================================
+ * Copyright (C) 2017 - 2019 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.so.bpmn.infrastructure.workflow.tasks.listeners;
+
+import java.util.List;
+import org.onap.so.bpmn.common.BuildingBlockExecution;
+import org.onap.so.bpmn.common.listener.flowmanipulator.FlowManipulator;
+import org.onap.so.bpmn.servicedecomposition.entities.ExecuteBuildingBlock;
+import org.springframework.stereotype.Component;
+
+@Component
+public class HomingListener implements FlowManipulator {
+
+
+    @Override
+    public boolean shouldRunFor(String currentBBName, boolean isFirst, BuildingBlockExecution execution) {
+        return "AssignVnfBB".equals(currentBBName);
+    }
+
+    @Override
+    public void run(List<ExecuteBuildingBlock> flowsToExecute, ExecuteBuildingBlock currentBB,
+            BuildingBlockExecution execution) {
+
+        boolean homing = (boolean) execution.getVariable("homing");
+        boolean calledHoming = (boolean) execution.getVariable("calledHoming");
+        if (homing && !calledHoming) {
+            currentBB.setHoming(true);
+            execution.setVariable("calledHoming", true);
+        }
+    }
+
+
+}
diff --git a/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/workflow/tasks/listeners/MultiStageSkipListener.java b/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/workflow/tasks/listeners/MultiStageSkipListener.java
new file mode 100644
index 0000000000..fd0de086ad
--- /dev/null
+++ b/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/workflow/tasks/listeners/MultiStageSkipListener.java
@@ -0,0 +1,70 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - SO
+ * ================================================================================
+ * Copyright (C) 2017 - 2019 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.so.bpmn.infrastructure.workflow.tasks.listeners;
+
+import java.util.Collections;
+import java.util.List;
+import org.onap.so.bpmn.common.BBConstants;
+import org.onap.so.bpmn.common.BuildingBlockExecution;
+import org.onap.so.bpmn.common.listener.flowmanipulator.FlowManipulator;
+import org.onap.so.bpmn.servicedecomposition.entities.ExecuteBuildingBlock;
+import org.onap.so.bpmn.servicedecomposition.tasks.BBInputSetupUtils;
+import org.onap.so.db.catalog.beans.VnfResourceCustomization;
+import org.onap.so.db.catalog.client.CatalogDbClient;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
+
+@Component
+public class MultiStageSkipListener implements FlowManipulator {
+
+    @Autowired
+    protected BBInputSetupUtils bbInputSetupUtils;
+
+    @Autowired
+    private CatalogDbClient catalogDbClient;
+
+    @Override
+    public boolean shouldRunFor(String currentBBName, boolean isFirst, BuildingBlockExecution execution) {
+        return ((boolean) execution.getVariable(BBConstants.G_ALACARTE)) && "AssignVfModuleBB".equals(currentBBName)
+                && isFirst;
+    }
+
+    @Override
+    public void run(List<ExecuteBuildingBlock> flowsToExecute, ExecuteBuildingBlock currentBB,
+            BuildingBlockExecution execution) {
+        String vfModuleId = currentBB.getResourceId();
+        String vnfId = currentBB.getWorkflowResourceIds().getVnfId();
+        org.onap.aai.domain.yang.VfModule vfModule = bbInputSetupUtils.getAAIVfModule(vnfId, vfModuleId);
+        if (vfModule == null) {
+            org.onap.aai.domain.yang.GenericVnf vnf = bbInputSetupUtils.getAAIGenericVnf(vnfId);
+            if (vnf != null) {
+                VnfResourceCustomization vnfCust = catalogDbClient
+                        .getVnfResourceCustomizationByModelCustomizationUUID(vnf.getModelCustomizationId());
+                if (vnfCust != null && vnfCust.getMultiStageDesign() != null
+                        && vnfCust.getMultiStageDesign().equalsIgnoreCase("true")) {
+                    flowsToExecute.retainAll(Collections.singletonList(currentBB));
+                }
+            }
+        }
+
+    }
+
+}
diff --git a/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/workflow/tasks/listeners/SkipConfigVnfListener.java b/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/workflow/tasks/listeners/SkipConfigVnfListener.java
new file mode 100644
index 0000000000..772fca0841
--- /dev/null
+++ b/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/workflow/tasks/listeners/SkipConfigVnfListener.java
@@ -0,0 +1,44 @@
+package org.onap.so.bpmn.infrastructure.workflow.tasks.listeners;
+
+import java.util.List;
+import org.onap.so.bpmn.common.BBConstants;
+import org.onap.so.bpmn.common.BuildingBlockExecution;
+import org.onap.so.bpmn.common.listener.flowmanipulator.FlowManipulator;
+import org.onap.so.bpmn.servicedecomposition.entities.ExecuteBuildingBlock;
+import org.onap.so.db.catalog.beans.VnfResourceCustomization;
+import org.onap.so.db.catalog.client.CatalogDbClient;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
+
+@Component
+public class SkipConfigVnfListener implements FlowManipulator {
+
+    @Autowired
+    private CatalogDbClient catalogDbClient;
+
+    @Override
+    public boolean shouldRunFor(String currentBBName, boolean isFirst, BuildingBlockExecution execution) {
+        return "ConfigAssignVnfBB".equals(currentBBName) || "ConfigDeployVnfBB".equals(currentBBName);
+    }
+
+    @Override
+    public void run(List<ExecuteBuildingBlock> flowsToExecute, ExecuteBuildingBlock currentBB,
+            BuildingBlockExecution execution) {
+        String vnfCustomizationUUID = currentBB.getBuildingBlock().getKey();
+
+        List<VnfResourceCustomization> vnfResourceCustomizations = catalogDbClient
+                .getVnfResourceCustomizationByModelUuid(currentBB.getRequestDetails().getModelInfo().getModelUuid());
+        if (vnfResourceCustomizations != null && !vnfResourceCustomizations.isEmpty()) {
+            VnfResourceCustomization vrc =
+                    catalogDbClient.findVnfResourceCustomizationInList(vnfCustomizationUUID, vnfResourceCustomizations);
+            boolean skipConfigVNF = vrc.isSkipPostInstConf();
+            if (skipConfigVNF) {
+                execution.setVariable(BBConstants.G_CURRENT_SEQUENCE,
+                        ((int) execution.getVariable(BBConstants.G_CURRENT_SEQUENCE)) + 1);
+            }
+        }
+    }
+
+
+
+}
diff --git a/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/client/namingservice/NamingRequestObject.java b/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/client/namingservice/NamingRequestObject.java
index 14af6890f3..3d3058da0b 100644
--- a/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/client/namingservice/NamingRequestObject.java
+++ b/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/client/namingservice/NamingRequestObject.java
@@ -1,3 +1,23 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - SO
+ * ================================================================================
+ * Copyright (C) 2017 - 2019 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
 package org.onap.so.client.namingservice;
 
 import java.util.HashMap;
diff --git a/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/client/namingservice/NamingServiceConstants.java b/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/client/namingservice/NamingServiceConstants.java
index da9e449ee7..5637410af0 100644
--- a/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/client/namingservice/NamingServiceConstants.java
+++ b/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/client/namingservice/NamingServiceConstants.java
@@ -1,3 +1,23 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - SO
+ * ================================================================================
+ * Copyright (C) 2017 - 2019 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
 package org.onap.so.client.namingservice;
 
 public class NamingServiceConstants {
diff --git a/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/client/namingservice/NamingServiceUtils.java b/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/client/namingservice/NamingServiceUtils.java
index 771309abc4..16c8e5549c 100644
--- a/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/client/namingservice/NamingServiceUtils.java
+++ b/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/client/namingservice/NamingServiceUtils.java
@@ -1,3 +1,23 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - SO
+ * ================================================================================
+ * Copyright (C) 2017 - 2019 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
 package org.onap.so.client.namingservice;
 
 import org.onap.so.bpmn.common.BuildingBlockExecution;
diff --git a/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/client/ticket/ExternalTicket.java b/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/client/ticket/ExternalTicket.java
index a78dffb4e0..12adec9e24 100644
--- a/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/client/ticket/ExternalTicket.java
+++ b/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/client/ticket/ExternalTicket.java
@@ -1,3 +1,23 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - SO
+ * ================================================================================
+ * Copyright (C) 2017 - 2019 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
 package org.onap.so.client.ticket;
 
 public class ExternalTicket {