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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.HashMap;
import java.util.List;
import java.util.Map;
import org.eclipse.winery.model.tosca.TCapability;
import org.eclipse.winery.model.tosca.TNodeTemplate;
import org.eclipse.winery.model.tosca.TNodeType;
import org.eclipse.winery.model.tosca.TRelationshipTemplate;
import org.eclipse.winery.model.tosca.TRequirement;
import org.eclipse.winery.model.tosca.TRequirementDefinition;
import org.eclipse.winery.model.tosca.TRequirementType;
import org.eclipse.winery.model.tosca.TTopologyTemplate;
import org.eclipse.winery.topologymodeler.addons.topologycompleter.helper.Utils;
/**
* This class analyzes the occurrence of TOSCA {@link TRequirement}s in a {@link TTopologyTemplate} and checks whether they
* are already fulfilled or not.
*/
public class RequirementAnalyzer {
/**
* This method checks if {@link TNodeTemplate}s contain {@link TRequirement}s and adds them to a {@link Map}.
*
* @param toscaAnalyzer
* the {@link TOSCAAnalyzer} object to access the data model
*
* @return a map containing {@link TNodeTemplate}s and their {@link TRequirement}s
*/
public static Map<TRequirement, TNodeTemplate> analyzeRequirements(TOSCAAnalyzer toscaAnalyzer) {
// map containing entries for a Requirement and its corresponding NodeTemplate
Map<TRequirement, TNodeTemplate> unfulfilledRequirements = new HashMap<TRequirement, TNodeTemplate>();
for (TNodeTemplate nodeTemplate : toscaAnalyzer.getNodeTemplates()) {
List<TRequirement> requirements = new ArrayList<>();
TNodeType nodeType = Utils.getNodeTypeForId(toscaAnalyzer.getNodeTypes(), nodeTemplate.getType());
if (nodeType.getRequirementDefinitions() != null && !nodeType.getRequirementDefinitions().getRequirementDefinition().isEmpty()) {
List<TRequirementDefinition> requirementDefinitions = nodeType.getRequirementDefinitions().getRequirementDefinition();
// check the requirements of the type of the used NodeTemplate
for (TRequirementDefinition requirementDefinition: requirementDefinitions) {
TRequirement requirement = new TRequirement();
requirement.setType(requirementDefinition.getRequirementType());
requirement.setName(requirementDefinition.getName());
requirement.setId(Utils.createRandomID());
}
}
if (nodeTemplate.getRequirements() != null && !nodeTemplate.getRequirements().getRequirement().isEmpty()) {
requirements.addAll(nodeTemplate.getRequirements().getRequirement());
}
if (!requirements.isEmpty()) {
// list containing the RelationshipTemplates connecting to the NodeTemplate
List<TRelationshipTemplate> connectors = new ArrayList<TRelationshipTemplate>();
// add the connected RelationshipTemplates
for (TRelationshipTemplate connector : toscaAnalyzer.getRelationshipTemplates()) {
if (connector.getSourceElement().getRef().equals(nodeTemplate)) {
connectors.add(connector);
}
}
// add requirements of unconnected NodeTemplates to the map because they can't be fulfilled
if (connectors.size() == 0) {
for (TRequirement requirement : requirements) {
unfulfilledRequirements.put(requirement, nodeTemplate);
}
} else {
boolean fulfilled = false;
// check if one of the connected NodeTemplates already fulfill the requirement
for (TRequirement requirement : requirements) {
for (TRelationshipTemplate connector : connectors) {
TNodeTemplate connectedNodeTemplate = (TNodeTemplate) connector.getTargetElement().getRef();
if (connectedNodeTemplate.getCapabilities() != null) {
for (TCapability capa : connectedNodeTemplate.getCapabilities().getCapability()) {
for (TRequirementType reqType : toscaAnalyzer.getRequirementTypes()) {
if (requirement.getType().getLocalPart().equals(reqType.getName())) {
if (reqType.getRequiredCapabilityType().getLocalPart().equals(capa.getType().getLocalPart())
&& reqType.getRequiredCapabilityType().getNamespaceURI().equals(capa.getType().getNamespaceURI())) {
fulfilled = true;
}
}
}
}
}
}
if (!fulfilled) {
unfulfilledRequirements.put(requirement, nodeTemplate);
}
}
}
}
}
return unfulfilledRequirements;
}
}
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