Java DirectedWeightedMultigraph类代码示例

import org.jgrapht.graph.DirectedWeightedMultigraph; //导入依赖的package包/类
public static DirectedWeightedMultigraph<Long, RelationshipEdge> addGraph(
		DefaultDirectedWeightedGraph<Long, DefaultWeightedEdge> g, String label,
		DirectedWeightedMultigraph<Long, RelationshipEdge> graph) {
	System.out.println("Add Graph");
	for (Long vertex : g.vertexSet()) {
		graph.addVertex(vertex);
	}
	for (DefaultWeightedEdge e : g.edgeSet()) {
		graph.addEdge(g.getEdgeSource(e), g.getEdgeTarget(e),
				new RelationshipEdge<Long>(g.getEdgeSource(e), g.getEdgeTarget(e), label));
		RelationshipEdge<Long> edge = graph.getEdge(g.getEdgeSource(e), g.getEdgeTarget(e));
		graph.setEdgeWeight(edge, g.getEdgeWeight(e));
		System.out.println("Edge added");
	}
	return graph;
}
 

import org.jgrapht.graph.DirectedWeightedMultigraph; //导入依赖的package包/类
/** <p>Obtains a {@code JGraphT} graph from a given link map.</p>
 * 
 * @param nodes Collection of nodes
 * @param links List of links
 * @return {@code JGraphT} graph */
public static org.jgrapht.Graph<Node, Link> getGraphFromLinkMap(Collection<Node> nodes, Collection<Link> links)
{
	org.jgrapht.Graph<Node, Link> graph = new DirectedWeightedMultigraph<Node, Link>(Link.class);

	for (Node node : nodes)
		graph.addVertex(node);

	if (links != null)
	{
		for (Link link : links)
		{
			Node originNode = link.getOriginNode();
			Node destinationNode = link.getDestinationNode();

			if (!graph.containsVertex(originNode)) throw new RuntimeException("Bad"); //graph.addVertex(originNode);
			if (!graph.containsVertex(destinationNode)) throw new RuntimeException("Bad"); //graph.addVertex(destinationNode);

			graph.addEdge(originNode, destinationNode, link);
		}
	}

	return graph;
}
 

import org.jgrapht.graph.DirectedWeightedMultigraph; //导入依赖的package包/类
/** <p>Obtains a {@code JGraphT} graph from a given link map.</p>
 * 
 * @param demands List of demands
 * @return {@code JGraphT} graph */
public static org.jgrapht.Graph<Node, Demand> getGraphFromDemandMap(List<Demand> demands)
{
	org.jgrapht.Graph<Node, Demand> graph = new DirectedWeightedMultigraph<Node, Demand>(Demand.class);

	if (demands != null)
	{
		for (Demand demand : demands)
		{
			Node originNode = demand.getIngressNode();
			Node destinationNode = demand.getEgressNode();

			if (!graph.containsVertex(originNode)) graph.addVertex(originNode);
			if (!graph.containsVertex(destinationNode)) graph.addVertex(destinationNode);

			graph.addEdge(originNode, destinationNode, demand);
		}
	}

	return graph;
}
 

import org.jgrapht.graph.DirectedWeightedMultigraph; //导入依赖的package包/类
/** <p>Obtains a {@code JGraphT} graph from a given route map.</p>
 * 
 * @param demands List of demands
 * @return {@code JGraphT} graph */
public static org.jgrapht.Graph<Node, Route> getGraphFromRouteMap(List<Route> routes)
{
	org.jgrapht.Graph<Node, Route> graph = new DirectedWeightedMultigraph<Node, Route>(Route.class);

	if (routes != null)
	{
		for (Route route : routes)
		{
			Node originNode = route.getIngressNode();
			Node destinationNode = route.getEgressNode();

			if (!graph.containsVertex(originNode)) graph.addVertex(originNode);
			if (!graph.containsVertex(destinationNode)) graph.addVertex(destinationNode);

			graph.addEdge(originNode, destinationNode, route);
		}
	}
	return graph;
}
 

import org.jgrapht.graph.DirectedWeightedMultigraph; //导入依赖的package包/类
@SuppressWarnings("unchecked")
@Override
public UpdateContainer doIt(Workspace workspace) throws CommandException {
	logCommand(logger, workspace);

	Alignment alignment = AlignmentManager.Instance().getAlignment(
			alignmentId);

	// Save the original alignment for undo
	oldAlignment = alignment.getAlignmentClone();
	oldGraph = (DirectedWeightedMultigraph<Node, DefaultLink>) alignment
			.getGraph().clone();

	try {
		alignment.addForcedInternalNode(new Label(nodeUri));
		if(!this.isExecutedInBatch())
			alignment.align();
		
	} catch (JSONException e) {
		logger.error("Error adding Internal Node:" , e);
	}

	return WorksheetUpdateFactory.createSemanticTypesAndSVGAlignmentUpdates(worksheetId, workspace);
}
 

import org.jgrapht.graph.DirectedWeightedMultigraph; //导入依赖的package包/类
@SuppressWarnings("unchecked")
@Override
public UpdateContainer doIt(Workspace workspace) throws CommandException {
	logCommand(logger, workspace);

	Alignment alignment = AlignmentManager.Instance().getAlignment(
			alignmentId);

	// Save the original alignment for undo
	oldAlignment = alignment.getAlignmentClone();
	oldGraph = (DirectedWeightedMultigraph<Node, DefaultLink>) alignment
			.getGraph().clone();

	try {
		alignment.deleteForcedInternalNode(nodeId);
		if(!this.isExecutedInBatch())
			alignment.align();
	} catch (JSONException e) {
		logger.error("Error adding Internal Node:" , e);
	}

	return WorksheetUpdateFactory.createSemanticTypesAndSVGAlignmentUpdates(worksheetId, workspace);
}
 

import org.jgrapht.graph.DirectedWeightedMultigraph; //导入依赖的package包/类
public SemanticModel(Workspace workspace, Worksheet worksheet, 
		String id,
		DirectedWeightedMultigraph<Node, LabeledLink> graph, 
		SuperSelection sel) {
	this.workspace = workspace;
	this.worksheet = worksheet;
	this.id = id;
	this.graph = graph;
	this.selection = sel;
	this.setLearnedTypesForColumnNodes();
	this.setUserTypesForColumnNodes();

	this.sourceColumns = this.getColumnNodes();
	this.mappingToSourceColumns = new HashMap<ColumnNode, ColumnNode>();
	for (ColumnNode c : this.sourceColumns)
		this.mappingToSourceColumns.put(c, c);
}
 

import org.jgrapht.graph.DirectedWeightedMultigraph; //导入依赖的package包/类
private Set<String> getTriples(DirectedWeightedMultigraph<Node, LabeledLink> g, HashMap<Node,String> nodeIds) {
		
		String separator = "|";
		Set<String> triples = new HashSet<String>();
		if (g == null)
			return triples;
		
		String s, p, o, triple;
		for (LabeledLink l : g.edgeSet()) {
			// FIXME: this line skips the links corresponding to the semantic types
//			if (!(l.getTarget() instanceof InternalNode))
//				continue;
			s = nodeIds.get(l.getSource());
			o = nodeIds.get(l.getTarget());
			p = l.getLabel().getUri();
			triple = s + separator + p + separator + o;
//			System.out.println(triple);
			triples.add(triple);
		}
		
		return triples;
	}
 

import org.jgrapht.graph.DirectedWeightedMultigraph; //导入依赖的package包/类
public static DirectedGraph<Node, DefaultLink> asDirectedGraph(UndirectedGraph<Node, DefaultLink> undirectedGraph) {
	
	if (undirectedGraph == null) {
		logger.debug("graph is null.");
		return null;
	}		

	DirectedGraph<Node, DefaultLink> g = new DirectedWeightedMultigraph<Node, DefaultLink>(DefaultLink.class);
	
	for (Node v : undirectedGraph.vertexSet())
		g.addVertex(v);
	
	for (DefaultLink e: undirectedGraph.edgeSet())
		g.addEdge(e.getSource(), e.getTarget(), e);
	
	return g;
}
 

import org.jgrapht.graph.DirectedWeightedMultigraph; //导入依赖的package包/类
public static DirectedWeightedMultigraph<Node, DefaultLink> asDefaultGraph(DirectedWeightedMultigraph<Node, LabeledLink> graph) {
	
	if (graph == null) {
		logger.debug("graph is null.");
		return null;
	}		

	DirectedWeightedMultigraph<Node, DefaultLink> g = new DirectedWeightedMultigraph<Node, DefaultLink>(DefaultLink.class);
	
	for (Node v : graph.vertexSet())
		g.addVertex(v);
	
	for (DefaultLink e: graph.edgeSet())
		g.addEdge(e.getSource(), e.getTarget(), e);
	
	return g;
}
 

import org.jgrapht.graph.DirectedWeightedMultigraph; //导入依赖的package包/类
public static DirectedWeightedMultigraph<Node, LabeledLink> asLabeledGraph(DirectedWeightedMultigraph<Node, DefaultLink> graph) {
	
	if (graph == null) {
		logger.debug("graph is null.");
		return null;
	}		

	DirectedWeightedMultigraph<Node, LabeledLink> g = new DirectedWeightedMultigraph<Node, LabeledLink>(LabeledLink.class);
	
	for (Node v : graph.vertexSet())
		g.addVertex(v);
	
	for (DefaultLink e: graph.edgeSet())
		if (e instanceof LabeledLink)
			g.addEdge(e.getSource(), e.getTarget(), (LabeledLink)e);
	
	return g;
}
 

import org.jgrapht.graph.DirectedWeightedMultigraph; //导入依赖的package包/类
public static void exportJson(DirectedWeightedMultigraph<Node, DefaultLink> graph, String filename) throws IOException {
		logger.info("exporting the graph to json ...");
		File file = new File(filename);
		if (!file.exists()) {
			file.createNewFile();
		}

		FileOutputStream out = new FileOutputStream(file); 
		JsonWriter writer = new JsonWriter(new OutputStreamWriter(out, "UTF-8"));
		//writer.setIndent("    ");
		try {
			writeGraph(graph, writer);
//			writeGraph(workspace, worksheet, graph, writer);
		} catch (Exception e) {
			logger.error("error in writing the model in json!");
	    	e.printStackTrace();
	     } finally {
			writer.close();
		}
		logger.info("export is done.");
	}
 

import org.jgrapht.graph.DirectedWeightedMultigraph; //导入依赖的package包/类
public static DirectedWeightedMultigraph<Node, DefaultLink> importJson(String filename) throws IOException {

		File file = new File(filename);
		if (!file.exists()) {
			logger.error("cannot open the file " + filename);
		}
		
		FileInputStream in = new FileInputStream(file);
		JsonReader reader = new JsonReader(new InputStreamReader(in, "UTF-8"));
	    try {
	    	return readGraph(reader);
	    } catch (Exception e) {
	    	logger.error("error in reading the model from json!");
	    	e.printStackTrace();
	    	return null;
	    } finally {
	    	reader.close();
	    }
	}
 

import org.jgrapht.graph.DirectedWeightedMultigraph; //导入依赖的package包/类
public static void writeGraph(DirectedWeightedMultigraph<Node, DefaultLink> graph, JsonWriter writer) throws IOException {
		
		writer.beginObject();

		writer.name("nodes");
		writer.beginArray();
		if (graph != null)
			for (Node n : graph.vertexSet())
				writeNode(writer, n);
//				writeNode(workspace, worksheet, writer, n);
		writer.endArray();
		
		writer.name("links");
		writer.beginArray();
		if (graph != null)
			for (DefaultLink l : graph.edgeSet())
				writeLink(writer, l);
		writer.endArray();
		
		writer.endObject();
		
	}
 

import org.jgrapht.graph.DirectedWeightedMultigraph; //导入依赖的package包/类
protected ModelLearningGraph(OntologyManager ontologyManager, ModelLearningGraphType type) throws IOException {
	
	this.ontologyManager = ontologyManager;
	
	File file = new File(getGraphJsonName());
	if (!file.exists()) {
		this.initializeFromJsonRepository();
	} else {
		logger.info("loading the alignment graph ...");
		DirectedWeightedMultigraph<Node, DefaultLink> graph =
				GraphUtil.importJson(getGraphJsonName());
		if (type == ModelLearningGraphType.Compact)
			this.graphBuilder = new GraphBuilderTopK(ontologyManager, graph);
		else
			this.graphBuilder = new GraphBuilder(ontologyManager, graph, false);
		this.nodeIdFactory = this.graphBuilder.getNodeIdFactory();
		logger.info("loading is done!");
	}
	if (this.graphBuilder.getGraph() != null) {
		logger.info("number of nodes: " + this.graphBuilder.getGraph().vertexSet().size());
		logger.info("number of links: " + this.graphBuilder.getGraph().edgeSet().size());
	}
	this.lastUpdateTime = System.currentTimeMillis();
}