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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.placeholderhandling;
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.analyzer.TOSCAAnalyzer;
import org.eclipse.winery.topologymodeler.addons.topologycompleter.helper.Constants;
/**
* This class finds suitable replacement types for a place holder.
*/
public class PlaceHolderHandler {
/**
* This method returns a suitable {@link TNodeType} to replace a given {@link TNodeTemplate} placeholder.
* A suitable Node Type to replace a placeholder is matched by its type. If the type of a NodeType equals the identifier of a placeholder
* it can be used to replace it.
*
* @param nodeTemplate
* the placeholder to be replaced
* @param toscaAnalyzer
* the {@link TOSCAAnalyzer} object to access the data model
*
* @return a list of {@link TNodeType}s to replace the placeholder
*/
public static List<TNodeType> getSuitableNodeTypes(TNodeTemplate nodeTemplate, TOSCAAnalyzer toscaAnalyzer) {
List<TNodeType> suitableNodeTypes = new ArrayList<>();
// TODO: matching the name without a name space is unsafe and only works assuming that no one creates generic NodeTemplates with the same name as the place holders.
// However a NodeTemplate name does not have a name space.
if (nodeTemplate.getName().equals(Constants.PlaceHolders.WEBSERVER.toString())) {
for (TNodeType nodeType : toscaAnalyzer.getNodeTypes()) {
if (nodeType.getDerivedFrom() != null && nodeType.getDerivedFrom().getTypeRef().getLocalPart().equals(Constants.PlaceHolders.WEBSERVER.toString())) {
suitableNodeTypes.add(nodeType);
}
}
} else if (nodeTemplate.getName().equals(Constants.PlaceHolders.DATABASE.toString())) {
for (TNodeType nodeType : toscaAnalyzer.getNodeTypes()) {
if (nodeType.getDerivedFrom() != null && nodeType.getDerivedFrom().getTypeRef().getLocalPart().equals(Constants.PlaceHolders.DATABASE.toString())) {
suitableNodeTypes.add(nodeType);
}
}
} else if (nodeTemplate.getName().equals(Constants.PlaceHolders.OPERATINGSYSTEM.toString())) {
for (TNodeType nodeType : toscaAnalyzer.getNodeTypes()) {
if (nodeType.getDerivedFrom() != null && nodeType.getDerivedFrom().getTypeRef().getLocalPart().equals(Constants.PlaceHolders.OPERATINGSYSTEM.toString())) {
suitableNodeTypes.add(nodeType);
}
}
} else if (nodeTemplate.getName().equals(Constants.PlaceHolders.CLOUDPROVIDER.toString())) {
for (TNodeType nodeType : toscaAnalyzer.getNodeTypes()) {
if (nodeType.getDerivedFrom() != null && nodeType.getDerivedFrom().getTypeRef().getLocalPart().equals(Constants.PlaceHolders.CLOUDPROVIDER.toString())) {
suitableNodeTypes.add(nodeType);
}
}
}
return suitableNodeTypes;
}
}
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