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

Example 1 with OrientElement

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

the class OServerCommandGetGephi method execute.

@Override
public boolean execute(final OHttpRequest iRequest, OHttpResponse iResponse) throws Exception {
    String[] urlParts = checkSyntax(iRequest.url, 4, "Syntax error: gephi/<database>/<language>/<query-text>[/<limit>][/<fetchPlan>].<br>Limit is optional and is setted to 20 by default. Set expressely to 0 to have no limits.");
    final String language = urlParts[2];
    final String text = urlParts[3];
    final int limit = urlParts.length > 4 ? Integer.parseInt(urlParts[4]) : 20;
    final String fetchPlan = urlParts.length > 5 ? urlParts[5] : null;
    iRequest.data.commandInfo = "Gephi";
    iRequest.data.commandDetail = text;
    final ODatabaseDocument db = getProfiledDatabaseInstance(iRequest);
    final OModifiableBoolean shutdownFlag = new OModifiableBoolean();
    final OrientBaseGraph graph = OGraphCommandExecutorSQLFactory.getAnyGraph(shutdownFlag);
    try {
        final Iterable<OrientElement> vertices;
        if (language.equals("sql"))
            vertices = graph.command(new OSQLSynchQuery<OrientVertex>(text, limit).setFetchPlan(fetchPlan)).execute();
        else if (language.equals("gremlin")) {
            List<Object> result = new ArrayList<Object>();
            OGremlinHelper.execute(graph, text, null, null, result, null, null);
            vertices = new ArrayList<OrientElement>(result.size());
            for (Object o : result) {
                ((ArrayList<OrientElement>) vertices).add(graph.getVertex(o));
            }
        } else
            throw new IllegalArgumentException("Language '" + language + "' is not supported. Use 'sql' or 'gremlin'");
        sendRecordsContent(iRequest, iResponse, vertices, fetchPlan);
    } finally {
        if (graph != null && shutdownFlag.getValue())
            graph.shutdown(false, false);
        if (db != null)
            db.close();
    }
    return false;
}

Example 2 with OrientElement

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

the class TestGraphUnwindOut method testUwindLightweightEdges.

@Test
public void testUwindLightweightEdges() {
    OrientGraph graph = new OrientGraph("memory:" + TestGraphUnwindOut.class.getSimpleName());
    graph.setUseLightweightEdges(true);
    try {
        OrientVertexType type = graph.createVertexType("edgetest");
        graph.createEdgeType("edgetestedge");
        type.createEdgeProperty(Direction.IN, "edgetestedge");
        type.createEdgeProperty(Direction.OUT, "edgetestedge");
        OrientVertex test = graph.addVertex("class:edgetest");
        test.setProperty("ida", "parentckt1");
        test.save();
        OrientVertex test1 = graph.addVertex("class:edgetest");
        test1.setProperty("ida", "childckt2");
        test1.save();
        OrientVertex test2 = graph.addVertex("class:edgetest");
        test2.setProperty("ida", "childckt3");
        test2.save();
        OrientVertex test3 = graph.addVertex("class:edgetest");
        test3.setProperty("ida", "childckt4");
        test3.save();
        graph.commit();
        graph.command(new OCommandSQL("create edge edgetestedge from (select from edgetest where ida='parentckt1') to (select from edgetest where ida like 'childckt%')")).execute();
        graph.commit();
        Iterable<OrientElement> res = graph.command(new OSQLSynchQuery("select out_edgetestedge[0] from v where out_edgetestedge.size() > 0 unwind out_edgetestedge ")).execute();
        for (OrientElement oDocument : res) {
            assertNotNull(oDocument.getRecord().field("out_edgetestedge"));
            ODocument doc = oDocument.getRecord().field("out_edgetestedge");
            assertEquals(doc.getClassName(), "edgetest");
        }
    } finally {
        graph.drop();
    }
}

Example 3 with OrientElement

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

the class OServerCommandGetGephi method generateGraphDbOutput.

protected void generateGraphDbOutput(final Iterable<OrientElement> iVertices, final OJSONWriter json) throws IOException {
    if (iVertices == null)
        return;
    // CREATE A SET TO SPEED UP SEARCHES ON VERTICES
    final Set<OrientVertex> vertexes = new HashSet<OrientVertex>();
    final Set<OrientEdge> edges = new HashSet<OrientEdge>();
    for (OrientElement id : iVertices) if (id instanceof OrientVertex)
        vertexes.add((OrientVertex) id);
    else
        edges.add((OrientEdge) id);
    for (OrientVertex vertex : vertexes) {
        json.resetAttributes();
        json.beginObject(0, false, null);
        json.beginObject(1, false, "an");
        json.beginObject(2, false, vertex.getIdentity());
        // ADD ALL THE EDGES
        for (Edge e : vertex.getEdges(Direction.BOTH)) edges.add((OrientEdge) e);
        // ADD ALL THE PROPERTIES
        for (String field : vertex.getPropertyKeys()) {
            final Object v = vertex.getProperty(field);
            if (v != null)
                json.writeAttribute(3, false, field, v);
        }
        json.endObject(2, false);
        json.endObject(1, false);
        json.endObject(0, false);
        json.newline();
    }
    for (OrientEdge edge : edges) {
        final ORID sourceVertex = (ORID) edge.getVertex(Direction.OUT).getId();
        final ORID targetVertex = (ORID) edge.getVertex(Direction.IN).getId();
        if (!vertexes.contains(sourceVertex) || !vertexes.contains(targetVertex))
            continue;
        json.resetAttributes();
        json.beginObject();
        json.beginObject(1, false, "ae");
        json.beginObject(2, false, edge.getId());
        json.writeAttribute(3, false, "directed", false);
        json.writeAttribute(3, false, "source", sourceVertex);
        json.writeAttribute(3, false, "target", targetVertex);
        for (String field : edge.getPropertyKeys()) {
            final Object v = edge.getProperty(field);
            if (v != null)
                json.writeAttribute(3, false, field, v);
        }
        json.endObject(2, false);
        json.endObject(1, false);
        json.endObject(0, false);
        json.newline();
    }
}

Example 4 with OrientElement

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

the class TestGraphCreateEdgeWithoutClass method testCreateEdgeWithoutClass.

@Test
public void testCreateEdgeWithoutClass() {
    OrientGraph graph = new OrientGraph("memory:" + TestGraphCreateEdgeWithoutClass.class.getSimpleName());
    graph.setUseClassForEdgeLabel(false);
    graph.setUseVertexFieldsForEdgeLabels(true);
    try {
        OrientVertex test = graph.addVertex("class:V");
        test.setProperty("name", "foo");
        test.save();
        OrientVertex test1 = graph.addVertex("class:V");
        test1.setProperty("name", "bar");
        test1.save();
        graph.commit();
        graph.command(new OCommandSQL("create edge FooBar from (select from V where name='foo') to (select from V where name = 'bar')")).execute();
        graph.commit();
        Iterable<OrientElement> res = graph.command(new OSQLSynchQuery("select out as f1, out_ as f2, out_edgetestedge as f3, out_FooBar as f4, outE() as f5 from v where name = 'foo'")).execute();
        boolean found = false;
        for (OrientElement oDocument : res) {
            assertNull(oDocument.getRecord().field("f1"));
            assertNull(oDocument.getRecord().field("f2"));
            assertNull(oDocument.getRecord().field("f3"));
            assertNotNull(oDocument.getRecord().field("f4"));
            Iterable<ODocument> f5 = oDocument.getRecord().field("f5");
            assertNotNull(f5);
            for (ODocument e : f5) {
                assertEquals(e.field("label"), "FooBar");
                found = true;
            }
        }
        assertTrue(found);
    } finally {
        graph.drop();
    }
}