Examples with HyperedgeType org.graphdrawing.graphml.HyperedgeType used on opensource projects

Example 1 with HyperedgeType

use of org.graphdrawing.graphml.HyperedgeType in project opennms by OpenNMS.

the class GraphMLReader method convert.

public static GraphML convert(GraphmlType input) throws InvalidGraphException {
    final Map<String, GraphMLGraph> nodeIdToGraphMapping = new HashMap<>();
    final Map<String, KeyType> keyIdToTypeMapping = getKeyIdToTypeMapping(input.getKey());
    final List<GraphType> graphs = filter(input.getGraphOrData(), GraphType.class);
    final GraphML convertedGraphML = new GraphML();
    addProperties(convertedGraphML, null, keyIdToTypeMapping, filter(input.getGraphOrData(), DataType.class));
    for (GraphType eachGraph : graphs) {
        GraphMLGraph convertedGraph = new GraphMLGraph();
        addProperties(convertedGraph, eachGraph.getId(), keyIdToTypeMapping, filter(eachGraph.getDataOrNodeOrEdge(), DataType.class));
        // Nodes
        List<NodeType> nodes = filter(eachGraph.getDataOrNodeOrEdge(), NodeType.class);
        for (NodeType eachNode : nodes) {
            GraphMLNode convertedNode = new GraphMLNode();
            nodeIdToGraphMapping.put(eachNode.getId(), convertedGraph);
            addProperties(convertedNode, eachNode.getId(), keyIdToTypeMapping, filter(eachNode.getDataOrPort(), DataType.class));
            List<PortType> ports = filter(eachNode.getDataOrPort(), PortType.class);
            if (!ports.isEmpty()) {
                LOG.warn("Ports are defined for node with id {} but ports are not supported. Ignoring {} defined ports", eachNode.getId(), ports.size());
            }
            convertedGraph.addNode(convertedNode);
        }
        convertedGraphML.addGraph(convertedGraph);
    }
    // Add Edges Last, as they may connect between graphs, and we just now know all graphs
    for (GraphType eachGraphType : graphs) {
        // Edges
        List<EdgeType> edges = filter(eachGraphType.getDataOrNodeOrEdge(), EdgeType.class);
        for (EdgeType eachEdge : edges) {
            GraphMLEdge convertedEdge = new GraphMLEdge();
            GraphMLGraph sourceGraph = nodeIdToGraphMapping.get(eachEdge.getSource());
            GraphMLGraph targetGraph = nodeIdToGraphMapping.get(eachEdge.getTarget());
            if (sourceGraph == null) {
                throw new InvalidGraphException("No graph found for edge with id " + eachEdge.getSource());
            }
            if (targetGraph == null) {
                throw new InvalidGraphException("No graph found for edge with id " + eachEdge.getTarget());
            }
            GraphMLNode sourceNode = sourceGraph.getNodeById(eachEdge.getSource());
            GraphMLNode targetNode = targetGraph.getNodeById(eachEdge.getTarget());
            convertedEdge.setSource(sourceNode);
            convertedEdge.setTarget(targetNode);
            addProperties(convertedEdge, eachEdge.getId(), keyIdToTypeMapping, filter(eachEdge.getData(), DataType.class));
            sourceGraph.addEdge(convertedEdge);
        }
        // Hyper Edges
        List<HyperedgeType> hyperEdges = filter(eachGraphType.getDataOrNodeOrEdge(), HyperedgeType.class);
        if (!hyperEdges.isEmpty()) {
            LOG.warn("Hyper Edges are defined for graph with id {} but are not supported. Ignoring {} defined hyper edges", eachGraphType.getId(), hyperEdges.size());
        }
    }
    validate(convertedGraphML);
    return convertedGraphML;
}