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/*******************************************************************************
* Copyright (c) 2013 Boeing.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Boeing - initial API and implementation
*******************************************************************************/
package org.eclipse.osee.orcs.core.internal.graph.impl;
import java.util.Collections;
import java.util.LinkedHashSet;
import java.util.Set;
import org.eclipse.osee.framework.jdk.core.type.OseeCoreException;
import org.eclipse.osee.framework.jdk.core.util.Conditions;
import org.eclipse.osee.logger.Log;
import org.eclipse.osee.orcs.core.ds.ArtifactData;
import org.eclipse.osee.orcs.core.ds.AttributeData;
import org.eclipse.osee.orcs.core.ds.LoadDataHandlerAdapter;
import org.eclipse.osee.orcs.core.ds.LoadDescription;
import org.eclipse.osee.orcs.core.ds.RelationData;
import org.eclipse.osee.orcs.core.internal.artifact.Artifact;
import org.eclipse.osee.orcs.core.internal.artifact.ArtifactFactory;
import org.eclipse.osee.orcs.core.internal.attribute.AttributeFactory;
import org.eclipse.osee.orcs.core.internal.attribute.AttributeManager;
import org.eclipse.osee.orcs.core.internal.graph.GraphBuilder;
import org.eclipse.osee.orcs.core.internal.graph.GraphData;
import org.eclipse.osee.orcs.core.internal.graph.GraphProvider;
import org.eclipse.osee.orcs.core.internal.relation.Relation;
import org.eclipse.osee.orcs.core.internal.relation.RelationFactory;
import org.eclipse.osee.orcs.core.internal.relation.impl.RelationNodeAdjacencies;
/**
* @author Roberto E. Escobar
*/
public class GraphBuilderImpl extends LoadDataHandlerAdapter implements GraphBuilder {
private final Log logger;
private final ArtifactFactory artifactFactory;
private final AttributeFactory attributeFactory;
private final RelationFactory relationFactory;
private final GraphProvider graphProvider;
private final Set<Artifact> updated = new LinkedHashSet<Artifact>();
private GraphData graph;
public GraphBuilderImpl(Log logger, ArtifactFactory artifactFactory, AttributeFactory attributeFactory, RelationFactory relationFactory, GraphProvider graphProvider) {
super();
this.logger = logger;
this.graphProvider = graphProvider;
this.artifactFactory = artifactFactory;
this.attributeFactory = attributeFactory;
this.relationFactory = relationFactory;
}
@Override
public void onLoadStart() {
graph = null;
}
private GraphData getGraph() throws OseeCoreException {
Conditions.checkNotNull(graph, "graph");
return graph;
}
@Override
public void onLoadDescription(LoadDescription data) throws OseeCoreException {
graph = graphProvider.getGraph(data.getSession(), data.getBranch(), data.getTransaction());
Conditions.checkNotNull(graph, "graph");
};
@Override
public void onData(ArtifactData data) throws OseeCoreException {
GraphData graph = getGraph();
Artifact artifact = graph.getNode(data);
if (artifact == null) {
artifact = artifactFactory.createArtifact(data);
graph.addNode(artifact);
RelationNodeAdjacencies adjacencies = relationFactory.createRelationContainer();
graph.addAdjacencies(data.getLocalId(), adjacencies);
}
updated.add(artifact);
}
@Override
public void onData(AttributeData data) throws OseeCoreException {
GraphData graph = getGraph();
AttributeManager container = graph.getNode(data.getArtifactId());
if (container == null) {
logger.warn("Orphaned attribute detected - data[%s]", data);
} else {
attributeFactory.createAttribute(container, data);
}
}
@Override
public void onData(RelationData data) throws OseeCoreException {
GraphData graph = getGraph();
RelationNodeAdjacencies aAdjacencies = getAdjacencies(graph, data.getArtIdA());
RelationNodeAdjacencies bAdjacencies = getAdjacencies(graph, data.getArtIdB());
Relation relation = findRelation(aAdjacencies, data);
if (relation == null) {
relation = findRelation(bAdjacencies, data);
}
if (relation == null) {
relation = relationFactory.createRelation(data);
}
aAdjacencies.add(data.getTypeUuid(), relation);
bAdjacencies.add(data.getTypeUuid(), relation);
}
private Relation findRelation(RelationNodeAdjacencies adjacencies, RelationData data) throws OseeCoreException {
return adjacencies.getRelation(data.getArtIdA(), data.getTypeUuid(), data.getArtIdB());
}
private RelationNodeAdjacencies getAdjacencies(GraphData graph, int id) {
RelationNodeAdjacencies adjacencies = graph.getAdjacencies(id);
if (adjacencies == null) {
adjacencies = relationFactory.createRelationContainer();
graph.addAdjacencies(id, adjacencies);
}
return adjacencies;
}
@Override
public void onLoadEnd() {
//
}
@Override
public Iterable<Artifact> getArtifacts() {
return updated;
}
@Override
public Iterable<GraphData> getGraphs() {
return graph != null ? Collections.<GraphData> singleton(graph) : Collections.<GraphData> emptyList();
}
}
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