appc-dg/appc-dg-shared/appc-dg-dependency-model/src/main/java/org/openecomp/appc/dg/flowbuilder/impl/AbstractFlowStrategy.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * ONAP : APPC
   4  * ================================================================================
   5  * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
   6  * ================================================================================
   7  * Copyright (C) 2017 Amdocs
   8  * =============================================================================
   9  * Licensed under the Apache License, Version 2.0 (the "License");
  10  * you may not use this file except in compliance with the License.
  11  * You may obtain a copy of the License at
  12  *
  13  *      http://www.apache.org/licenses/LICENSE-2.0
  14  *
  15  * Unless required by applicable law or agreed to in writing, software
  16  * distributed under the License is distributed on an "AS IS" BASIS,
  17  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  18  * See the License for the specific language governing permissions and
  19  * limitations under the License.
  20  *
  21  * ECOMP is a trademark and service mark of AT&T Intellectual Property.
  22  * ============LICENSE_END=========================================================
  23  */
  24
  25 package org.openecomp.appc.dg.flowbuilder.impl;
  26
  27 import com.att.eelf.configuration.EELFLogger;
  28 import com.att.eelf.configuration.EELFManager;
  29
  30 import java.util.Iterator;
  31 import java.util.List;
  32 import java.util.Set;
  33
  34 import org.openecomp.appc.dg.flowbuilder.FlowStrategy;
  35 import org.openecomp.appc.dg.flowbuilder.exception.InvalidDependencyModel;
  36 import org.openecomp.appc.dg.flowbuilder.helper.Graph;
  37 import org.openecomp.appc.dg.objects.*;
  38 import org.openecomp.appc.domainmodel.Vnfc;
  39
  40
  41 public abstract class AbstractFlowStrategy implements FlowStrategy {
  42
  43     protected Graph<Vnfc> graph;
  44
  45     private static final EELFLogger logger = EELFManager.getInstance().getLogger(AbstractFlowStrategy.class);
  46
  47     public VnfcFlowModel buildFlowModel(VnfcDependencyModel dependencyModel, InventoryModel inventoryModel) {
  48         if(logger.isTraceEnabled()){
  49             logger.trace("Entering into buildFlowModel with dependency model = " + dependencyModel
  50                     + "inventory model = " +inventoryModel);
  51         }
  52
  53         if(dependencyModel == null
  54                 || dependencyModel.getDependencies() ==null
  55                 || dependencyModel.getDependencies().size() ==0){
  56             logger.debug("Dependency model not available, building flow model with sequence");
  57             throw new InvalidDependencyModel("Dependency model either null or does not contain any dependency");
  58         }
  59
  60         VnfcFlowModel flowModel = buildFlowModel(dependencyModel);
  61         if(logger.isDebugEnabled()){
  62             logger.debug("Flow Model without instance data: \n" + flowModel);
  63         }
  64
  65         logger.info("Populating flow model with A&AI data");
  66         populateFlowModel(flowModel,inventoryModel);
  67         if(logger.isDebugEnabled()){
  68             logger.debug("Flow Model with instance data: \n" + flowModel);
  69         }
  70
  71         return flowModel;
  72     }
  73
  74     private void populateFlowModel(VnfcFlowModel flowModel, InventoryModel inventoryModel) {
  75         Iterator<List<Vnfc>> flowIterator = null;
  76
  77         for(Vnfc vnfcFromInventory:inventoryModel.getVnf().getVnfcs()){
  78             flowIterator = flowModel.getModelIterator();
  79             String vnfcType = vnfcFromInventory.getVnfcType();
  80             while (flowIterator.hasNext()){
  81                 for(Vnfc vnfcFromFlowModel:flowIterator.next() ){
  82                     if(vnfcType.equalsIgnoreCase(vnfcFromFlowModel.getVnfcType())){
  83                         vnfcFromFlowModel.setVnfcName(vnfcFromInventory.getVnfcName());
  84                         vnfcFromFlowModel.addVms(vnfcFromInventory.getVserverList());
  85                     }
  86                 }
  87             }
  88
  89         }
  90
  91     }
  92
  93     private VnfcFlowModel buildFlowModel(VnfcDependencyModel dependencyModel) throws InvalidDependencyModel {
  94         Set<Node<Vnfc>> dependencies = dependencyModel.getDependencies();
  95         graph = new Graph(dependencies.size());
  96
  97         for(Node<Vnfc> node:dependencies){
  98             graph.addVertex(node.getChild());
  99         }
 100
 101         for(Node node:dependencies){
 102             Vnfc child = (Vnfc)node.getChild();
 103             List<Vnfc> parents = node.getParents();
 104             for(Vnfc parent:parents){
 105                 graph.addEdge(child,parent);
 106             }
 107         }
 108         List<List<Vnfc>> dependencyList = orderDependencies();
 109
 110         VnfcFlowModel.VnfcFlowModelBuilder builder = new VnfcFlowModel.VnfcFlowModelBuilder();
 111         int count=0;
 112         int flowModelSize = 0;
 113         for(List<Vnfc> vnfcList:dependencyList){
 114             builder.addMetadata(count,vnfcList);
 115             flowModelSize += vnfcList.size();
 116             count++;
 117         }
 118         if(flowModelSize != dependencies.size()){
 119             throw new InvalidDependencyModel("Cycle detected in the VNFC dependencies");
 120         }
 121
 122         return builder.build();
 123     }
 124
 125     protected abstract List<List<Vnfc>> orderDependencies();
 126
 127     /*private VnfcFlowModel buildFlowModelWithoutSequence(InventoryModel inventoryModel) {
 128         VnfcFlowModel.VnfcFlowModelBuilder builder = new VnfcFlowModel.VnfcFlowModelBuilder();
 129
 130         for(Vnfc vnfc:inventoryModel.getVnf().getVnfcs()){
 131             builder = builder.addMetadata(0,vnfc);
 132         }
 133
 134         return builder.build();
 135     }*/
 136 }