Examples with GraphMLGraph org.opennms.features.graphml.model.GraphMLGraph used on opensource projects

Example 1 with GraphMLGraph

use of org.opennms.features.graphml.model.GraphMLGraph in project opennms by OpenNMS.

the class GraphMLMetaTopologyProvider method validate.

private void validate(GraphML graphML) throws InvalidGraphException {
    final Set<String> graphIds = new HashSet<>();
    final Map<String, Set<String>> nodeIdsByNamespace = new HashMap<>();
    final Map<String, Set<String>> edgeIdsByNamespace = new HashMap<>();
    for (GraphMLGraph eachGraph : graphML.getGraphs()) {
        final String ns = eachGraph.getProperty(GraphMLProperties.NAMESPACE);
        if (Strings.isNullOrEmpty(ns)) {
            throw new InvalidGraphException("No namespace defined on graph with id " + eachGraph.getId());
        }
        if (graphIds.contains(eachGraph.getId())) {
            throw new InvalidGraphException("There already exists a graph with id " + eachGraph.getId());
        }
        graphIds.add(eachGraph.getId());
        for (GraphMLNode eachNode : eachGraph.getNodes()) {
            Set<String> nodeIdsInNs = nodeIdsByNamespace.get(ns);
            if (nodeIdsInNs == null) {
                nodeIdsInNs = new HashSet<>();
                nodeIdsByNamespace.put(ns, nodeIdsInNs);
            }
            if (nodeIdsInNs.contains(eachNode.getId())) {
                throw new InvalidGraphException("There already exists a node with id " + eachNode.getId() + " in namespace " + ns);
            }
            nodeIdsInNs.add(eachNode.getId());
        }
        for (GraphMLEdge eachEdge : eachGraph.getEdges()) {
            Set<String> edgeIdsInNs = edgeIdsByNamespace.get(ns);
            if (edgeIdsInNs == null) {
                edgeIdsInNs = new HashSet<>();
                edgeIdsByNamespace.put(ns, edgeIdsInNs);
            }
            if (edgeIdsInNs.contains(eachEdge.getId())) {
                throw new InvalidGraphException("There already exists an edge with id " + eachEdge.getId() + " in namespace " + ns);
            }
            edgeIdsInNs.add(eachEdge.getId());
        }
    }
}

Example 2 with GraphMLGraph

use of org.opennms.features.graphml.model.GraphMLGraph in project opennms by OpenNMS.

the class GraphMLEdgeStatusProviderIT method verify.

@Test
public void verify() throws Exception {
    final GraphMLServiceAccessor serviceAccessor = new GraphMLServiceAccessor();
    serviceAccessor.setTransactionOperations(transactionOperations);
    serviceAccessor.setNodeDao(nodeDao);
    serviceAccessor.setSnmpInterfaceDao(snmpInterfaceDao);
    serviceAccessor.setMeasurementsService(request -> new QueryResponse());
    final GraphMLGraph graph = GraphMLReader.read(getClass().getResourceAsStream("/test-graph2.xml")).getGraphs().get(0);
    final GraphMLTopologyProvider topologyProvider = new GraphMLTopologyProvider(null, graph, serviceAccessor);
    final GraphMLEdgeStatusProvider provider = new GraphMLEdgeStatusProvider(topologyProvider, new ScriptEngineManager(), serviceAccessor, Paths.get("src", "test", "opennms-home", "etc", "graphml-edge-status"));
    assertThat(provider.contributesTo("acme:regions"), is(true));
    assertThat(provider.getNamespace(), is("acme:regions"));
    // Calculating the status executes some tests defined int the according scripts as a side effect
    final EdgeRef edgeRef = topologyProvider.getEdge("acme:regions", "center_north");
    final Map<? extends EdgeRef, ? extends Status> status = provider.getStatusForEdges(topologyProvider, ImmutableList.of(edgeRef), new Criteria[0]);
    // Checking nodeID creation for vertices with only foreignSource/foreignID set
    final VertexRef vertexRef = topologyProvider.getVertex("acme:regions", "west");
    assertThat(vertexRef, is(notNullValue()));
    assertThat(vertexRef, is(instanceOf(GraphMLVertex.class)));
    assertThat(((GraphMLVertex) vertexRef).getNodeID(), is(4));
    // Testing status merging from two scripts
    assertThat(status, is(notNullValue()));
    assertThat(status, is(hasEntry(edgeRef, new GraphMLEdgeStatus().severity(OnmsSeverity.WARNING).style("stroke", "pink").style("stroke-width", "3em"))));
}

Example 3 with GraphMLGraph

use of org.opennms.features.graphml.model.GraphMLGraph in project opennms by OpenNMS.

the class AssetGraphGenerator method generateGraphs.

public GraphML generateGraphs(GeneratorConfig config) {
    final LayerDefinitionRepository layerDefinitionRepository = new LayerDefinitionRepository();
    final List<LayerDefinition> layerDefinitions = layerDefinitionRepository.getDefinitions(config.getLayerHierarchies());
    final List<OnmsNode> nodes = nodeProvider.getNodes(layerDefinitions);
    // Define Layers
    final List<Layer> layers = layerDefinitions.stream().map(LayerDefinition::getLayer).collect(Collectors.toList());
    // Add last Layer for Nodes
    layers.add(new LayerBuilder().withId("nodes").withNamespace("nodes").withLabel("Nodes").withDescription("The nodes in the hierarchy of the topology").withItemProvider(node -> node).withIdGenerator(IdGenerator.SIMPLE).withSemanticZoomLevel(0).withVertexStatusProvider(true).build());
    // Ensure that all elements in the nodes do have values set
    layers.forEach(layer -> {
        List<OnmsNode> nodeWithNullValues = nodes.stream().filter(n -> layer.getItemProvider().getItem(n) == null).collect(Collectors.toList());
        if (!nodeWithNullValues.isEmpty()) {
            LOG.debug("Found nodes with null value for layer (id: {}, label: {}). Removing nodes {}", layer.getId(), layer.getLabel(), nodeWithNullValues.stream().map(n -> String.format("(id: %s, label: %s)", n.getId(), n.getLabel())).collect(Collectors.toList()));
            nodes.removeAll(nodeWithNullValues);
        }
    });
    // Apply additional filters
    final Map<String, Filter> filterMap = new FilterParser().parse(config.getFilters());
    final List<LayerDefinition> layersToFilter = layerDefinitionRepository.getDefinitions(filterMap.keySet());
    applyFilters(nodes, filterMap, layerDefinitionRepository);
    // Start generating the hierarchy
    // Overall graphml object
    final GraphML graphML = new GraphML();
    graphML.setProperty(GraphMLProperties.LABEL, config.getLabel());
    graphML.setProperty(GraphMLProperties.BREADCRUMB_STRATEGY, config.getBreadcrumbStrategy());
    // Build each Graph
    int index = 0;
    for (Layer layer : layers) {
        GraphMLGraph layerGraph = new GraphMLGraph();
        layerGraph.setId(config.getProviderId() + ":" + layer.getId());
        layerGraph.setProperty(GraphMLProperties.NAMESPACE, config.getProviderId() + ":" + layer.getNamespace());
        layerGraph.setProperty(GraphMLProperties.PREFERRED_LAYOUT, config.getPreferredLayout());
        layerGraph.setProperty(GraphMLProperties.LABEL, layer.getLabel());
        layerGraph.setProperty(GraphMLProperties.DESCRIPTION, layer.getDescription());
        layerGraph.setProperty(GraphMLProperties.FOCUS_STRATEGY, layer.getFocusStrategy().name());
        layerGraph.setProperty(GraphMLProperties.SEMANTIC_ZOOM_LEVEL, layer.getSemanticZoomLevel());
        layerGraph.setProperty(GraphMLProperties.VERTEX_STATUS_PROVIDER, layer.hasVertexStatusProvider());
        // Build layer for nodes
        for (OnmsNode eachNode : nodes) {
            final Object eachItem = layer.getItemProvider().getItem(eachNode);
            if (eachItem != null) {
                List<Layer> processedLayers = layers.subList(0, index);
                String id = layer.getIdGenerator().generateId(processedLayers, eachNode, layer.getNodeDecorator().getId(eachItem));
                if (layerGraph.getNodeById(id) == null) {
                    GraphMLNode node = new GraphMLNode();
                    node.setId(id);
                    layer.getNodeDecorator().decorate(node, eachItem);
                    layerGraph.addNode(node);
                }
            }
        }
        graphML.addGraph(layerGraph);
        index++;
    }
    // Now link all nodes, but only if there are at least 2 layers
    if (graphML.getGraphs().size() > 1) {
        nodes.forEach(n -> {
            List<GraphMLNode> path = getPath(n, graphML.getGraphs(), layers);
            if (path.size() != graphML.getGraphs().size()) {
                throw new IllegalStateException("");
            }
            for (int i = 0; i < path.size() - 1; i++) {
                GraphMLNode sourceNode = path.get(i);
                GraphMLNode targetNode = path.get(i + 1);
                GraphMLGraph sourceGraph = graphML.getGraphs().get(i);
                String edgeId = String.format("%s_%s", sourceNode.getId(), targetNode.getId());
                if (sourceGraph.getEdgeById(edgeId) == null) {
                    GraphMLEdge edge = new GraphMLEdge();
                    edge.setId(edgeId);
                    edge.setSource(sourceNode);
                    edge.setTarget(targetNode);
                    sourceGraph.addEdge(edge);
                }
            }
        });
    }
    return graphML;
}

Example 4 with GraphMLGraph

use of org.opennms.features.graphml.model.GraphMLGraph in project opennms by OpenNMS.

the class GraphMLMetaTopologyProvider method reload.

public void reload() throws IOException, InvalidGraphException {
    graphsByNamespace.clear();
    oppositeVertices.clear();
    rawGraphsByNamespace.clear();
    if (graphMLFile == null) {
        LOG.warn("No graph defined");
        return;
    }
    if (!graphMLFile.exists()) {
        LOG.warn("No graph found at location " + graphMLFile.toString());
        return;
    }
    try (InputStream input = new FileInputStream(graphMLFile)) {
        final GraphML graphML = GraphMLReader.read(input);
        validate(graphML);
        for (GraphMLGraph eachGraph : graphML.getGraphs()) {
            final GraphMLTopologyProvider topoProvider = new GraphMLTopologyProvider(this, eachGraph, m_serviceAccessor);
            final VertexHopGraphProvider vertexHopGraphProvider = new VertexHopGraphProvider(topoProvider);
            graphsByNamespace.put(topoProvider.getNamespace(), vertexHopGraphProvider);
            rawGraphsByNamespace.put(topoProvider.getNamespace(), topoProvider);
        }
        for (GraphMLGraph eachGraph : graphML.getGraphs()) {
            for (org.opennms.features.graphml.model.GraphMLEdge eachEdge : eachGraph.getEdges()) {
                final VertexRef sourceVertex = getVertex(eachEdge.getSource());
                final VertexRef targetVertex = getVertex(eachEdge.getTarget());
                if (!sourceVertex.getNamespace().equals(targetVertex.getNamespace())) {
                    List<VertexRef> opposites = oppositeVertices.get(sourceVertex);
                    if (opposites == null) {
                        opposites = Lists.newArrayList();
                        oppositeVertices.put(sourceVertex, opposites);
                    }
                    opposites.add(targetVertex);
                }
            }
        }
        this.breadcrumbStrategy = getBreadcrumbStrategy(graphML);
    }
}

Example 5 with GraphMLGraph

use of org.opennms.features.graphml.model.GraphMLGraph in project opennms by OpenNMS.

the class GraphMLSearchProviderTest method verifyContributesTo.

@Test
public void verifyContributesTo() {
    GraphMLGraph graph = new GraphMLGraph();
    graph.setProperty(GraphMLProperties.NAMESPACE, "namespace1:graph1");
    GraphMLTopologyProvider topologyProvider = new GraphMLTopologyProvider(null, graph, new GraphMLServiceAccessor());
    GraphMLSearchProvider searchProvider = new GraphMLSearchProvider(topologyProvider);
    Assert.assertEquals(true, searchProvider.contributesTo("namespace1:graph1"));
    Assert.assertEquals(true, searchProvider.contributesTo("namespace1:graph2"));
    Assert.assertEquals(true, searchProvider.contributesTo("namespace1:graph3"));
    Assert.assertEquals(false, searchProvider.contributesTo("namespace1"));
}