Examples with OrientVertex com.tinkerpop.blueprints.impls.orient.OrientVertex used on opensource projects

Example 16 with OrientVertex

use of com.tinkerpop.blueprints.impls.orient.OrientVertex in project orientdb by orientechnologies.

the class OSQLFunctionLabel method getLabel.

private Object getLabel(final OrientBaseGraph graph, final OIdentifiable iCurrentRecord) {
    final ODocument rec = iCurrentRecord.getRecord();
    OImmutableClass immutableClass = ODocumentInternal.getImmutableSchemaClass(rec);
    if (immutableClass.isVertexType()) {
        // VERTEX
        final OrientVertex vertex = graph.getVertex(iCurrentRecord);
        return vertex.getLabel();
    } else if (immutableClass.isEdgeType()) {
        // EDGE
        final OrientEdge edge = graph.getEdge(iCurrentRecord);
        return edge.getLabel();
    } else
        throw new OCommandExecutionException("Invalid record: is neither a vertex nor an edge. Found class: " + immutableClass);
}

Example 17 with OrientVertex

use of com.tinkerpop.blueprints.impls.orient.OrientVertex in project orientdb by orientechnologies.

the class OSQLFunctionMove method v2v.

protected Object v2v(final OrientBaseGraph graph, final OIdentifiable iRecord, final Direction iDirection, final String[] iLabels) {
    final ODocument rec = iRecord.getRecord();
    OImmutableClass immutableClass = ODocumentInternal.getImmutableSchemaClass(rec);
    if (immutableClass != null && immutableClass.isVertexType()) {
        // VERTEX
        final OrientVertex vertex = graph.getVertex(rec);
        if (vertex != null)
            return vertex.getVertices(iDirection, iLabels);
    }
    return null;
}

Example 18 with OrientVertex

use of com.tinkerpop.blueprints.impls.orient.OrientVertex in project orientdb by orientechnologies.

the class OSQLFunctionPathFinder method execute.

protected LinkedList<OrientVertex> execute(final OCommandContext iContext) {
    context = iContext;
    unSettledNodes = new HashSet<OrientVertex>();
    distance = new HashMap<ORID, Float>();
    predecessors = new HashMap<ORID, OrientVertex>();
    distance.put(paramSourceVertex.getIdentity(), MIN);
    unSettledNodes.add(paramSourceVertex);
    int maxDistances = 0;
    int maxSettled = 0;
    int maxUnSettled = 0;
    int maxPredecessors = 0;
    while (continueTraversing()) {
        final OrientVertex node = getMinimum(unSettledNodes);
        unSettledNodes.remove(node);
        findMinimalDistances(node);
        if (distance.size() > maxDistances)
            maxDistances = distance.size();
        if (unSettledNodes.size() > maxUnSettled)
            maxUnSettled = unSettledNodes.size();
        if (predecessors.size() > maxPredecessors)
            maxPredecessors = predecessors.size();
        if (!isVariableEdgeWeight() && distance.containsKey(paramDestinationVertex.getIdentity()))
            // FOUND
            break;
        if (!OCommandExecutorAbstract.checkInterruption(context))
            break;
    }
    context.setVariable("maxDistances", maxDistances);
    context.setVariable("maxSettled", maxSettled);
    context.setVariable("maxUnSettled", maxUnSettled);
    context.setVariable("maxPredecessors", maxPredecessors);
    distance = null;
    return getPath();
}

Example 19 with OrientVertex

use of com.tinkerpop.blueprints.impls.orient.OrientVertex in project orientdb by orientechnologies.

the class OSQLFunctionPathFinder method getPath.

/*
   * This method returns the path from the source to the selected target and NULL if no path exists
   */
public LinkedList<OrientVertex> getPath() {
    final LinkedList<OrientVertex> path = new LinkedList<OrientVertex>();
    OrientVertex step = paramDestinationVertex;
    // Check if a path exists
    if (predecessors.get(step.getIdentity()) == null)
        return null;
    path.add(step);
    while (predecessors.get(step.getIdentity()) != null) {
        step = predecessors.get(step.getIdentity());
        path.add(step);
    }
    // Put it into the correct order
    Collections.reverse(path);
    return path;
}

Example 20 with OrientVertex

use of com.tinkerpop.blueprints.impls.orient.OrientVertex in project orientdb by orientechnologies.

the class OSQLFunctionPathFinder method getNeighbors.

protected Set<OrientVertex> getNeighbors(final Vertex node) {
    context.incrementVariable("getNeighbors");
    final Set<OrientVertex> neighbors = new HashSet<OrientVertex>();
    if (node != null) {
        for (Vertex v : node.getVertices(paramDirection)) {
            final OrientVertex ov = (OrientVertex) v;
            if (ov != null && isNotSettled(ov))
                neighbors.add(ov);
        }
    }
    return neighbors;
}