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

Example 56 with OrientVertex

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

the class OSQLFunctionShortestPath method walkLeft.

protected List<ORID> walkLeft(final OSQLFunctionShortestPath.OShortestPathContext ctx) {
    ArrayDeque<OrientVertex> nextLevelQueue = new ArrayDeque<OrientVertex>();
    while (!ctx.queueLeft.isEmpty()) {
        ctx.current = ctx.queueLeft.poll();
        Iterable<Vertex> neighbors;
        if (ctx.edgeType == null) {
            neighbors = ctx.current.getVertices(ctx.directionLeft);
        } else {
            neighbors = ctx.current.getVertices(ctx.directionLeft, ctx.edgeTypeParam);
        }
        for (Vertex neighbor : neighbors) {
            final OrientVertex v = (OrientVertex) neighbor;
            final ORID neighborIdentity = v.getIdentity();
            if (ctx.rightVisited.contains(neighborIdentity)) {
                ctx.previouses.put(neighborIdentity, ctx.current.getIdentity());
                return computePath(ctx.previouses, ctx.nexts, neighborIdentity);
            }
            if (!ctx.leftVisited.contains(neighborIdentity)) {
                ctx.previouses.put(neighborIdentity, ctx.current.getIdentity());
                nextLevelQueue.offer(v);
                ctx.leftVisited.add(neighborIdentity);
            }
        }
    }
    ctx.queueLeft = nextLevelQueue;
    return null;
}

Example 57 with OrientVertex

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

the class OSQLFunctionShortestPath method walkRight.

protected List<ORID> walkRight(final OSQLFunctionShortestPath.OShortestPathContext ctx) {
    final ArrayDeque<OrientVertex> nextLevelQueue = new ArrayDeque<OrientVertex>();
    while (!ctx.queueRight.isEmpty()) {
        ctx.currentRight = ctx.queueRight.poll();
        Iterable<Vertex> neighbors;
        if (ctx.edgeType == null) {
            neighbors = ctx.currentRight.getVertices(ctx.directionRight);
        } else {
            neighbors = ctx.currentRight.getVertices(ctx.directionRight, ctx.edgeTypeParam);
        }
        for (Vertex neighbor : neighbors) {
            final OrientVertex v = (OrientVertex) neighbor;
            final ORID neighborIdentity = v.getIdentity();
            if (ctx.leftVisited.contains(neighborIdentity)) {
                ctx.nexts.put(neighborIdentity, ctx.currentRight.getIdentity());
                return computePath(ctx.previouses, ctx.nexts, neighborIdentity);
            }
            if (!ctx.rightVisited.contains(neighborIdentity)) {
                ctx.nexts.put(neighborIdentity, ctx.currentRight.getIdentity());
                nextLevelQueue.offer(v);
                ctx.rightVisited.add(neighborIdentity);
            }
        }
    }
    ctx.queueRight = nextLevelQueue;
    return null;
}

Example 58 with OrientVertex

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

the class OSQLFunctionGremlin method execute.

public Object execute(Object iThis, final OIdentifiable iCurrentRecord, Object iCurrentResult, final Object[] iParams, final OCommandContext iContext) {
    final ODatabaseDocumentTx db = OGremlinHelper.getGraphDatabase(ODatabaseRecordThreadLocal.INSTANCE.get());
    result = new ArrayList<Object>();
    OGremlinHelper.execute(db, (String) iParams[0], null, (Map) iContext.getVariables(), result, new OGremlinHelper.OGremlinCallback() {

        @Override
        public boolean call(final ScriptEngine iEngine, final OrientBaseGraph iGraph) {
            if (iCurrentRecord == null)
                // IGNORE PRE-PROCESSING
                return true;
            final ODocument document = (ODocument) iCurrentRecord;
            OClass clazz = ODocumentInternal.getImmutableSchemaClass(document);
            if (clazz != null && clazz.isSubClassOf(OrientEdgeType.CLASS_NAME)) {
                // EDGE TYPE, CREATE THE BLUEPRINTS'S WRAPPER
                OrientEdge graphElement = (OrientEdge) new OrientElementIterable<OrientEdge>(iGraph, Arrays.asList(new ODocument[] { document })).iterator().next();
                iEngine.getBindings(ScriptContext.ENGINE_SCOPE).put("current", graphElement);
                // FRAMES LIKE SYNTAX
                iEngine.getBindings(ScriptContext.ENGINE_SCOPE).put("it", graphElement);
            } else {
                // VERTEX TYPE, CREATE THE BLUEPRINTS'S WRAPPER
                OrientVertex graphElement = (OrientVertex) new OrientElementIterable<OrientVertex>(iGraph, Arrays.asList(new ODocument[] { document })).iterator().next();
                iEngine.getBindings(ScriptContext.ENGINE_SCOPE).put("current", graphElement);
                // FRAMES LIKE SYNTAX
                iEngine.getBindings(ScriptContext.ENGINE_SCOPE).put("it", graphElement);
            }
            return true;
        }
    }, null);
    return result;
}

Example 59 with OrientVertex

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

the class OSQLFunctionHeuristicPathFinderAbstract method getNeighbors.

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

Example 60 with OrientVertex

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

the class OSQLFunctionIn method fetchFromIndex.

private Object fetchFromIndex(OrientBaseGraph graph, OIdentifiable iFrom, Iterable<OIdentifiable> iTo, String[] iEdgeTypes) {
    String edgeClassName = null;
    if (iEdgeTypes == null) {
        edgeClassName = "E";
    } else if (iEdgeTypes.length == 1) {
        edgeClassName = iEdgeTypes[0];
    } else {
        return null;
    }
    OClass edgeClass = graph.getRawGraph().getMetadata().getSchema().getClass(edgeClassName);
    if (edgeClass == null) {
        return null;
    }
    Set<OIndex<?>> indexes = edgeClass.getInvolvedIndexes("in", "out");
    if (indexes == null || indexes.size() == 0) {
        return null;
    }
    OIndex index = indexes.iterator().next();
    OMultiCollectionIterator<OrientVertex> result = new OMultiCollectionIterator<OrientVertex>();
    for (OIdentifiable to : iTo) {
        OCompositeKey key = new OCompositeKey(iFrom, to);
        Object indexResult = index.get(key);
        if (indexResult instanceof OIdentifiable) {
            indexResult = Collections.singleton(indexResult);
        }
        Set<OIdentifiable> identities = new HashSet<OIdentifiable>();
        for (OIdentifiable edge : ((Iterable<OrientEdge>) indexResult)) {
            identities.add((OIdentifiable) ((ODocument) edge.getRecord()).rawField("in"));
        }
        result.add(identities);
    }
    return result;
}