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