winery/org.eclipse.winery.topologymodeler/src/main/java/org/eclipse/winery/topologymodeler/addons/topologycompleter/analyzer/PlaceHolderAnalyzer.java

   1 /*******************************************************************************
   2  * Copyright (c) 2013 Pascal Hirmer.
   3  * All rights reserved. This program and the accompanying materials
   4  * are made available under the terms of the Eclipse Public License v1.0
   5  * and the Apache License 2.0 which both accompany this distribution,
   6  * and are available at http://www.eclipse.org/legal/epl-v10.html
   7  * and http://www.apache.org/licenses/LICENSE-2.0
   8  *
   9  * Contributors:
  10  *    Pascal Hirmer - initial API and implementation
  11  *******************************************************************************/
  12
  13 package org.eclipse.winery.topologymodeler.addons.topologycompleter.analyzer;
  14
  15 import java.util.ArrayList;
  16 import java.util.List;
  17
  18 import org.eclipse.winery.model.tosca.TNodeTemplate;
  19 import org.eclipse.winery.model.tosca.TNodeType;
  20 import org.eclipse.winery.topologymodeler.addons.topologycompleter.helper.Constants;
  21 import org.eclipse.winery.topologymodeler.addons.topologycompleter.helper.Utils;
  22
  23 /**
  24  * This class analyzes the occurrence of place holders in a topology and writes them to an {@link ArrayList}.
  25  */
  26 public class PlaceHolderAnalyzer {
  27
  28         /**
  29          * This method searches {@link TNodeTemplate}s that are derived from the abstract "PlaceHolder" type and adds them to a list.
  30          *
  31          * @param toscaAnalyzer
  32          *            the {@link TOSCAAnalyzer} object to access the data model
  33          *
  34          * @return the found place holders of the topology as a list.
  35          */
  36         public static List<TNodeTemplate> analyzePlaceHolders(TOSCAAnalyzer toscaAnalyzer) {
  37
  38                 List<TNodeTemplate> foundPlaceHolders = new ArrayList<TNodeTemplate>();
  39
  40                 // Check the type of the NodeTemplates, write them to a list if the type is derived from the common place holder type.
  41                 for (TNodeTemplate nodeTemplate : toscaAnalyzer.getNodeTemplates()) {
  42
  43                         TNodeType nodeType = Utils.getNodeTypeForId(toscaAnalyzer.getNodeTypes(), nodeTemplate.getType());
  44
  45                         if (nodeType != null && nodeType.getDerivedFrom() != null && nodeType.getDerivedFrom().getTypeRef().getLocalPart().equals(Constants.PLACE_HOLDER_QNAME.getLocalPart()) &&
  46                                         nodeType.getDerivedFrom().getTypeRef().getNamespaceURI().equals(Constants.PLACE_HOLDER_QNAME.getNamespaceURI())) {
  47                                 foundPlaceHolders.add(nodeTemplate);
  48                         }
  49                 }
  50                 return foundPlaceHolders;
  51         }
  52 }