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/*******************************************************************************
* Copyright (c) 2013 Pascal Hirmer.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* and the Apache License 2.0 which both accompany this distribution,
* and are available at http://www.eclipse.org/legal/epl-v10.html
* and http://www.apache.org/licenses/LICENSE-2.0
*
* Contributors:
* Pascal Hirmer - initial API and implementation
*******************************************************************************/
package org.eclipse.winery.topologymodeler.addons.topologycompleter.analyzer;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.winery.model.tosca.TNodeTemplate;
import org.eclipse.winery.model.tosca.TNodeType;
import org.eclipse.winery.topologymodeler.addons.topologycompleter.helper.Constants;
import org.eclipse.winery.topologymodeler.addons.topologycompleter.helper.Utils;
/**
* This class analyzes the occurrence of place holders in a topology and writes them to an {@link ArrayList}.
*/
public class PlaceHolderAnalyzer {
/**
* This method searches {@link TNodeTemplate}s that are derived from the abstract "PlaceHolder" type and adds them to a list.
*
* @param toscaAnalyzer
* the {@link TOSCAAnalyzer} object to access the data model
*
* @return the found place holders of the topology as a list.
*/
public static List<TNodeTemplate> analyzePlaceHolders(TOSCAAnalyzer toscaAnalyzer) {
List<TNodeTemplate> foundPlaceHolders = new ArrayList<TNodeTemplate>();
// Check the type of the NodeTemplates, write them to a list if the type is derived from the common place holder type.
for (TNodeTemplate nodeTemplate : toscaAnalyzer.getNodeTemplates()) {
TNodeType nodeType = Utils.getNodeTypeForId(toscaAnalyzer.getNodeTypes(), nodeTemplate.getType());
if (nodeType != null && nodeType.getDerivedFrom() != null && nodeType.getDerivedFrom().getTypeRef().getLocalPart().equals(Constants.PLACE_HOLDER_QNAME.getLocalPart()) &&
nodeType.getDerivedFrom().getTypeRef().getNamespaceURI().equals(Constants.PLACE_HOLDER_QNAME.getNamespaceURI())) {
foundPlaceHolders.add(nodeTemplate);
}
}
return foundPlaceHolders;
}
}
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