com.thinkaurelius.titan.core.schema.TitanManagement Java Examples

@Override
public void loadGraphData(final Graph g, final LoadGraphWith loadGraphWith, final Class testClass, final String testName) {
    if (loadGraphWith != null) {
        this.createIndices((TitanGraph) g, loadGraphWith.value());
    } else {
        if (TransactionTest.class.equals(testClass) && testName.equalsIgnoreCase("shouldExecuteWithCompetingThreads")) {
            TitanManagement mgmt = ((TitanGraph) g).openManagement();
            mgmt.makePropertyKey("blah").dataType(Double.class).make();
            mgmt.makePropertyKey("bloop").dataType(Integer.class).make();
            mgmt.makePropertyKey("test").dataType(Object.class).make();
            mgmt.makeEdgeLabel("friend").make();
            mgmt.commit();
        }
    }
    super.loadGraphData(g, loadGraphWith, testClass, testName);
}
 

public SchemaContainer(TitanGraph graph) {
    vertexLabels = Maps.newHashMap();
    relationTypes = Maps.newHashMap();
    TitanManagement mgmt = graph.openManagement();

    try {
        for (VertexLabel vl : mgmt.getVertexLabels()) {
            VertexLabelDefinition vld = new VertexLabelDefinition(vl);
            vertexLabels.put(vld.getName(),vld);
        }

        for (EdgeLabel el : mgmt.getRelationTypes(EdgeLabel.class)) {
            EdgeLabelDefinition eld = new EdgeLabelDefinition(el);
            relationTypes.put(eld.getName(),eld);
        }
        for (PropertyKey pk : mgmt.getRelationTypes(PropertyKey.class)) {
            PropertyKeyDefinition pkd = new PropertyKeyDefinition(pk);
            relationTypes.put(pkd.getName(), pkd);
        }
    } finally {
        mgmt.rollback();
    }

}
 

public Titan1Graph() {
    //determine multi-properties once at startup
    TitanManagement mgmt = null;
    try {
        mgmt = Titan1GraphDatabase.getGraphInstance().openManagement();
        Iterable<PropertyKey> keys = mgmt.getRelationTypes(PropertyKey.class);
        multiProperties = new HashSet<>();
        for (PropertyKey key : keys) {
            if (key.cardinality() != Cardinality.SINGLE) {
                multiProperties.add(key.name());
            }
        }
    } finally {
        if (mgmt != null) {
            mgmt.rollback();
        }
    }
}
 

public Titan0Graph() {
    //determine multi-properties once at startup
    TitanManagement mgmt = null;
    try {
        mgmt = Titan0GraphDatabase.getGraphInstance().getManagementSystem();
        Iterable<PropertyKey> keys = mgmt.getRelationTypes(PropertyKey.class);
        multiProperties = Collections.synchronizedSet(new HashSet<String>());
        for(PropertyKey key : keys) {
            if (key.getCardinality() != Cardinality.SINGLE) {
                multiProperties.add(key.getName());
            }
        }
    } finally {
        if (mgmt != null) {
            mgmt.rollback();
        }
    }
}
 

@Test
public void testValueOrdering() {
    StandardTitanGraph graph = (StandardTitanGraph) StorageSetup.getInMemoryGraph();
    TitanManagement mgmt = graph.openManagement();
    EdgeLabel father = mgmt.makeEdgeLabel("father").multiplicity(Multiplicity.MANY2ONE).make();
    for (int i=1;i<=5;i++) mgmt.makePropertyKey("key" + i).dataType(Integer.class).make();
    mgmt.commit();

    TitanVertex v1 = graph.addVertex(), v2 = graph.addVertex();
    TitanEdge e1 = v1.addEdge("father",v2);
    for (int i=1;i<=5;i++) e1.property("key"+i,i);

    graph.tx().commit();

    e1.remove();
    graph.tx().commit();

}
 

public void clopen(Object... settings) {
    config = getConfiguration();
    if (mgmt!=null && mgmt.isOpen()) mgmt.rollback();
    if (null != tx && tx.isOpen()) tx.commit();
    if (settings!=null && settings.length>0) {
        Map<TestConfigOption,Object> options = validateConfigOptions(settings);
        TitanManagement gconf = null;
        ModifiableConfiguration lconf = new ModifiableConfiguration(GraphDatabaseConfiguration.ROOT_NS,config, BasicConfiguration.Restriction.LOCAL);
        for (Map.Entry<TestConfigOption,Object> option : options.entrySet()) {
            if (option.getKey().option.isLocal()) {
                lconf.set(option.getKey().option,option.getValue(),option.getKey().umbrella);
            } else {
                if (gconf==null) gconf = graph.openManagement();
                gconf.set(ConfigElement.getPath(option.getKey().option,option.getKey().umbrella),option.getValue());
            }
        }
        if (gconf!=null) gconf.commit();
        lconf.close();
    }
    if (null != graph && graph.isOpen())
        graph.close();
    Preconditions.checkNotNull(config);
    open(config);
}
 

static void validateIndexBackend(Configuration config) {
    String configuredIndexBackend = config.getString(INDEX_BACKEND_CONF);
    TitanManagement managementSystem = null;

    try {
        managementSystem = getGraphInstance().getManagementSystem();
        String currentIndexBackend = managementSystem.get(INDEX_BACKEND_CONF);

        if (!equals(configuredIndexBackend, currentIndexBackend)) {
            throw new RuntimeException("Configured Index Backend " + configuredIndexBackend
                    + " differs from earlier configured Index Backend " + currentIndexBackend + ". Aborting!");
        }

    } finally {
        if (managementSystem != null) {
            managementSystem.commit();
        }
    }


}
 

@Override
public void createVertexIndex(String propertyName, String backingIndex, List<AtlasPropertyKey> propertyKeys) {

    TitanManagement.IndexBuilder indexBuilder = management.buildIndex(propertyName, Vertex.class);
    for(AtlasPropertyKey key : propertyKeys) {
        PropertyKey titanKey = TitanObjectFactory.createPropertyKey(key);
        indexBuilder.addKey(titanKey);
    }
    indexBuilder.buildMixedIndex(backingIndex);
}
 

@Override
public void createExactMatchIndex(String propertyName, boolean enforceUniqueness,
        List<AtlasPropertyKey> propertyKeys) {

    TitanManagement.IndexBuilder indexBuilder = management.buildIndex(propertyName, Vertex.class);
    for(AtlasPropertyKey key : propertyKeys) {
        PropertyKey titanKey = TitanObjectFactory.createPropertyKey(key);
        indexBuilder.addKey(titanKey);
    }
    if (enforceUniqueness) {
        indexBuilder.unique();
    }
    indexBuilder.buildCompositeIndex();
}
 

static void validateIndexBackend(Configuration config) {
    String configuredIndexBackend = config.getString(INDEX_BACKEND_CONF);

    TitanManagement managementSystem = getGraphInstance().openManagement();
    String currentIndexBackend = managementSystem.get(INDEX_BACKEND_CONF);
    managementSystem.commit();

    if (!configuredIndexBackend.equals(currentIndexBackend)) {
        throw new RuntimeException("Configured Index Backend " + configuredIndexBackend
                + " differs from earlier configured Index Backend " + currentIndexBackend + ". Aborting!");
    }

}
 

public void createExactMatchVertexIndex(String propertyName, boolean enforceUniqueness,
                                  List<AtlasPropertyKey> propertyKeys) {

    TitanManagement.IndexBuilder indexBuilder = management.buildIndex(propertyName, Vertex.class);
    for (AtlasPropertyKey key : propertyKeys) {
        PropertyKey titanKey = TitanObjectFactory.createPropertyKey(key);
        indexBuilder.addKey(titanKey);
    }
    if (enforceUniqueness) {
        indexBuilder.unique();
    }
    indexBuilder.buildCompositeIndex();
}
 

@Override
public void createVertexIndex(String propertyName, String backingIndex, List<AtlasPropertyKey> propertyKeys) {

    TitanManagement.IndexBuilder indexBuilder = management.buildIndex(propertyName, Vertex.class);
    for (AtlasPropertyKey key : propertyKeys) {
        PropertyKey titanKey = TitanObjectFactory.createPropertyKey(key);
        indexBuilder.addKey(titanKey);
    }
    indexBuilder.buildMixedIndex(backingIndex);
}
 

private Set<String> getIndexKeys(Class<? extends Element> titanElementClass) {

        TitanManagement mgmt = getGraph().openManagement();
        Iterable<TitanGraphIndex> indices = mgmt.getGraphIndexes(titanElementClass);
        Set<String> result = new HashSet<String>();
        for (TitanGraphIndex index : indices) {
            result.add(index.name());
        }
        mgmt.commit();
        return result;

    }
 

@BeforeClass
public static void setGraphProvider() throws IOException {
    GraphTest.graphProvider = new GraphProvider() {
        public Graph getGraph() throws IOException {
            TitanGraph graph = TitanFactory.build().set("storage.backend", "inmemory").open();
            TitanManagement management = graph.openManagement();
            management.makePropertyKey("location").dataType(String.class).cardinality(Cardinality.LIST).make();
            management.makePropertyKey("firstName").dataType(String.class).cardinality(Cardinality.LIST).make();
            management.commit();
            return graph;
        }
    };

}
 

@Test
public void testReservedNamesRejectedForPropertyKeys() {
    for (String s : ILLEGAL_USER_DEFINED_NAMES) {
        TitanManagement tm = graph.openManagement();
        try {
            tm.makePropertyKey(s);
            Assert.fail("Property key  \"" + s + "\" must be rejected");
        } catch (IllegalArgumentException e) {
            log.debug("Caught expected exception", e);
        } finally {
            tm.commit();
        }
    }
}
 

/**
 * Poll a relation index until it has a certain {@link SchemaStatus},
 * or until a configurable timeout is exceeded.
 *
 * @return a report with information about schema state, execution duration, and the index
 */
@Override
public RelationIndexStatusReport call() throws InterruptedException {
    Preconditions.checkNotNull(g, "Graph instance must not be null");
    Preconditions.checkNotNull(relationIndexName, "Index name must not be null");
    Preconditions.checkNotNull(status, "Target status must not be null");

    RelationTypeIndex idx;

    Timer t = new Timer(TimestampProviders.MILLI).start();
    boolean timedOut;
    while (true) {
        SchemaStatus actualStatus = null;
        TitanManagement mgmt = null;
        try {
            mgmt = g.openManagement();
            idx = mgmt.getRelationIndex(mgmt.getRelationType(relationTypeName), relationIndexName);
            actualStatus = idx.getIndexStatus();
            LOGGER.info("Index {} (relation type {}) has status {}", relationIndexName, relationTypeName, actualStatus);
            if (status.equals(actualStatus)) {
                return new RelationIndexStatusReport(true, relationIndexName, relationTypeName, actualStatus, status, t.elapsed());
            }
        } finally {
            if (null != mgmt)
                mgmt.rollback(); // Let an exception here propagate up the stack
        }

        timedOut = null != timeout && 0 < t.elapsed().compareTo(timeout);

        if (timedOut) {
            LOGGER.info("Timed out ({}) while waiting for index {} (relation type {}) to reach status {}",
                    timeout, relationIndexName, relationTypeName, status);
            return new RelationIndexStatusReport(false, relationIndexName, relationTypeName, actualStatus, status, t.elapsed());
        }

        Thread.sleep(poll.toMillis());
    }
}
 

@Override
public TitanManagement.IndexBuilder indexOnly(TitanSchemaType schemaType) {
    Preconditions.checkNotNull(schemaType);
    Preconditions.checkArgument(elementCategory.isValidConstraint(schemaType), "Need to specify a valid schema type for this index definition: %s", schemaType);
    constraint = schemaType;
    return this;
}
 

@Test
public void testReservedNamesRejectedForEdgeLabels() {
    for (String s : ILLEGAL_USER_DEFINED_NAMES) {
        TitanManagement tm = graph.openManagement();
        try {
            tm.makeEdgeLabel(s);
            Assert.fail("Edge label \"" + s + "\" must be rejected");
        } catch (IllegalArgumentException e) {
            log.debug("Caught expected exception", e);
        } finally {
            tm.commit();
        }
    }
}
 

@Test
public void testReservedNamesRejectedForVertexLabels() {
    for (String s : ILLEGAL_USER_DEFINED_NAMES) {
        TitanManagement tm = graph.openManagement();
        VertexLabelMaker vlm = null;
        try {
            vlm = tm.makeVertexLabel(s);
            Assert.fail("Vertex label \"" + s + "\" must be rejected");
        } catch (IllegalArgumentException e) {
            log.debug("Caught expected exception", e);
        } finally {
            tm.commit();
        }
    }
}
 

@Test
public void testOnlyRegisteredSerialization() {
    TitanManagement mgmt = graph.openManagement();
    PropertyKey time = mgmt.makePropertyKey("time").dataType(Integer.class).make();
    PropertyKey any  = mgmt.makePropertyKey("any").cardinality(Cardinality.LIST).dataType(Object.class).make();
    mgmt.buildIndex("byTime",Vertex.class).addKey(time).buildCompositeIndex();
    EdgeLabel knows = mgmt.makeEdgeLabel("knows").make();
    VertexLabel person = mgmt.makeVertexLabel("person").make();
    mgmt.commit();

    TitanTransaction tx = graph.newTransaction();
    TitanVertex v = tx.addVertex("person");
    v.property("time", 5);
    v.property("any", new Double(5.0));
    v.property("any", new TClass1(5,1.5f));
    v.property("any", TEnum.THREE);
    tx.commit();

    tx = graph.newTransaction();
    v = tx.query().has("time",5).vertices().iterator().next();
    assertEquals(5,(int)v.value("time"));
    assertEquals(3, Iterators.size(v.properties("any")));
    tx.rollback();

    //Verify that non-registered objects aren't allowed
    for (Object o : new Object[]{new TClass2("abc",5)}) {
        tx = graph.newTransaction();
        v = tx.addVertex("person");
        try {
            v.property("any", o); //Should not be allowed
            tx.commit();
            fail();
        } catch (IllegalArgumentException e) {
        } finally {
            if (tx.isOpen()) tx.rollback();
        }

    }
}
 

@Test
public void testRemoveGraphIndex() throws InterruptedException, BackendException, ExecutionException {
    tx.commit();
    mgmt.commit();

    // Load the "Graph of the Gods" sample data
    GraphOfTheGodsFactory.loadWithoutMixedIndex(graph, true);

    // Disable the "name" composite index
    TitanManagement m = graph.openManagement();
    TitanGraphIndex nameIndex = m.getGraphIndex("name");
    m.updateIndex(nameIndex, SchemaAction.DISABLE_INDEX);
    m.commit();
    graph.tx().commit();

    // Block until the SchemaStatus transitions to DISABLED
    assertTrue(ManagementSystem.awaitGraphIndexStatus(graph, "name")
            .status(SchemaStatus.DISABLED).call().getSucceeded());

    // Remove index
    MapReduceIndexManagement mri = new MapReduceIndexManagement(graph);
    m = graph.openManagement();
    TitanGraphIndex index = m.getGraphIndex("name");
    ScanMetrics metrics = mri.updateIndex(index, SchemaAction.REMOVE_INDEX).get();

    assertEquals(12, metrics.getCustom(IndexRemoveJob.DELETED_RECORDS_COUNT));
}
 

@Test
public void testRemoveRelationIndex() throws InterruptedException, BackendException, ExecutionException {
    tx.commit();
    mgmt.commit();

    // Load the "Graph of the Gods" sample data
    GraphOfTheGodsFactory.loadWithoutMixedIndex(graph, true);

    // Disable the "battlesByTime" index
    TitanManagement m = graph.openManagement();
    RelationType battled = m.getRelationType("battled");
    RelationTypeIndex battlesByTime = m.getRelationIndex(battled, "battlesByTime");
    m.updateIndex(battlesByTime, SchemaAction.DISABLE_INDEX);
    m.commit();
    graph.tx().commit();

    // Block until the SchemaStatus transitions to DISABLED
    assertTrue(ManagementSystem.awaitRelationIndexStatus(graph, "battlesByTime", "battled")
            .status(SchemaStatus.DISABLED).call().getSucceeded());

    // Remove index
    MapReduceIndexManagement mri = new MapReduceIndexManagement(graph);
    m = graph.openManagement();
    battled = m.getRelationType("battled");
    battlesByTime = m.getRelationIndex(battled, "battlesByTime");
    ScanMetrics metrics = mri.updateIndex(battlesByTime, SchemaAction.REMOVE_INDEX).get();

    assertEquals(6, metrics.getCustom(IndexRemoveJob.DELETED_RECORDS_COUNT));
}
 

@Test
public void testRepairRelationIndex() throws InterruptedException, BackendException, ExecutionException {
    tx.commit();
    mgmt.commit();

    // Load the "Graph of the Gods" sample data (WITHOUT mixed index coverage)
    GraphOfTheGodsFactory.loadWithoutMixedIndex(graph, true);

    // Create and enable a relation index on lives edges by reason
    TitanManagement m = graph.openManagement();
    PropertyKey reason = m.getPropertyKey("reason");
    EdgeLabel lives = m.getEdgeLabel("lives");
    m.buildEdgeIndex(lives, "livesByReason", Direction.BOTH, Order.decr, reason);
    m.commit();
    graph.tx().commit();

    // Block until the SchemaStatus transitions to REGISTERED
    assertTrue(ManagementSystem.awaitRelationIndexStatus(graph, "livesByReason", "lives")
            .status(SchemaStatus.REGISTERED).call().getSucceeded());

    m = graph.openManagement();
    RelationTypeIndex index = m.getRelationIndex(m.getRelationType("lives"), "livesByReason");
    m.updateIndex(index, SchemaAction.ENABLE_INDEX);
    m.commit();
    graph.tx().commit();

    // Block until the SchemaStatus transitions to ENABLED
    assertTrue(ManagementSystem.awaitRelationIndexStatus(graph, "livesByReason", "lives")
            .status(SchemaStatus.ENABLED).call().getSucceeded());

    // Run a query that hits the index but erroneously returns nothing because we haven't repaired yet
    //assertFalse(graph.query().has("reason", "no fear of death").edges().iterator().hasNext());

    // Repair
    MapReduceIndexManagement mri = new MapReduceIndexManagement(graph);
    m = graph.openManagement();
    index = m.getRelationIndex(m.getRelationType("lives"), "livesByReason");
    ScanMetrics metrics = mri.updateIndex(index, SchemaAction.REINDEX).get();
    assertEquals(8, metrics.getCustom(IndexRepairJob.ADDED_RECORDS_COUNT));
}
 

public Titan1GraphManagement(Titan1Graph graph, TitanManagement managementSystem) {
    this.management = managementSystem;
    this.graph = graph;
}
 

public Titan0GraphManagement(Titan0Graph graph, TitanManagement managementSystem) {

        this.graph = graph;
        management = managementSystem;
    }
 

@Test
public void testRepairGraphIndex() throws InterruptedException, BackendException, ExecutionException {
    tx.commit();
    mgmt.commit();

    // Load the "Graph of the Gods" sample data (WITHOUT mixed index coverage)
    GraphOfTheGodsFactory.loadWithoutMixedIndex(graph, true);

    // Create and enable a graph index on age
    TitanManagement m = graph.openManagement();
    PropertyKey age = m.getPropertyKey("age");
    m.buildIndex("verticesByAge", Vertex.class).addKey(age).buildCompositeIndex();
    m.commit();
    graph.tx().commit();

    // Block until the SchemaStatus transitions to REGISTERED
    assertTrue(ManagementSystem.awaitGraphIndexStatus(graph, "verticesByAge")
            .status(SchemaStatus.REGISTERED).call().getSucceeded());

    m = graph.openManagement();
    TitanGraphIndex index = m.getGraphIndex("verticesByAge");
    m.updateIndex(index, SchemaAction.ENABLE_INDEX);
    m.commit();
    graph.tx().commit();

    // Block until the SchemaStatus transitions to ENABLED
    assertTrue(ManagementSystem.awaitGraphIndexStatus(graph, "verticesByAge")
            .status(SchemaStatus.ENABLED).call().getSucceeded());

    // Run a query that hits the index but erroneously returns nothing because we haven't repaired yet
    assertFalse(graph.query().has("age", 10000).vertices().iterator().hasNext());

    // Repair
    MapReduceIndexManagement mri = new MapReduceIndexManagement(graph);
    m = graph.openManagement();
    index = m.getGraphIndex("verticesByAge");
    ScanMetrics metrics = mri.updateIndex(index, SchemaAction.REINDEX).get();
    assertEquals(6, metrics.getCustom(IndexRepairJob.ADDED_RECORDS_COUNT));

    // Test the index
    Iterable<TitanVertex> hits = graph.query().has("age", 4500).vertices();
    assertNotNull(hits);
    assertEquals(1, Iterables.size(hits));
    TitanVertex v = Iterables.getOnlyElement(hits);
    assertNotNull(v);

    assertEquals("neptune", v.value("name"));
}
 

public static void load(final TitanGraph graph, String mixedIndexName, boolean uniqueNameCompositeIndex) {

        //Create Schema
        TitanManagement mgmt = graph.openManagement();
        final PropertyKey name = mgmt.makePropertyKey("name").dataType(String.class).make();
        TitanManagement.IndexBuilder nameIndexBuilder = mgmt.buildIndex("name", Vertex.class).addKey(name);
        if (uniqueNameCompositeIndex)
            nameIndexBuilder.unique();
        TitanGraphIndex namei = nameIndexBuilder.buildCompositeIndex();
        mgmt.setConsistency(namei, ConsistencyModifier.LOCK);
        final PropertyKey age = mgmt.makePropertyKey("age").dataType(Integer.class).make();
        if (null != mixedIndexName)
            mgmt.buildIndex("vertices", Vertex.class).addKey(age).buildMixedIndex(mixedIndexName);

        final PropertyKey time = mgmt.makePropertyKey("time").dataType(Integer.class).make();
        final PropertyKey reason = mgmt.makePropertyKey("reason").dataType(String.class).make();
        final PropertyKey place = mgmt.makePropertyKey("place").dataType(Geoshape.class).make();
        if (null != mixedIndexName)
            mgmt.buildIndex("edges", Edge.class).addKey(reason).addKey(place).buildMixedIndex(mixedIndexName);

        mgmt.makeEdgeLabel("father").multiplicity(Multiplicity.MANY2ONE).make();
        mgmt.makeEdgeLabel("mother").multiplicity(Multiplicity.MANY2ONE).make();
        EdgeLabel battled = mgmt.makeEdgeLabel("battled").signature(time).make();
        mgmt.buildEdgeIndex(battled, "battlesByTime", Direction.BOTH, Order.decr, time);
        mgmt.makeEdgeLabel("lives").signature(reason).make();
        mgmt.makeEdgeLabel("pet").make();
        mgmt.makeEdgeLabel("brother").make();

        mgmt.makeVertexLabel("titan").make();
        mgmt.makeVertexLabel("location").make();
        mgmt.makeVertexLabel("god").make();
        mgmt.makeVertexLabel("demigod").make();
        mgmt.makeVertexLabel("human").make();
        mgmt.makeVertexLabel("monster").make();

        mgmt.commit();

        TitanTransaction tx = graph.newTransaction();
        // vertices

        Vertex saturn = tx.addVertex(T.label, "titan", "name", "saturn", "age", 10000);

        Vertex sky = tx.addVertex(T.label, "location", "name", "sky");

        Vertex sea = tx.addVertex(T.label, "location", "name", "sea");

        Vertex jupiter = tx.addVertex(T.label, "god", "name", "jupiter", "age", 5000);

        Vertex neptune = tx.addVertex(T.label, "god", "name", "neptune", "age", 4500);

        Vertex hercules = tx.addVertex(T.label, "demigod", "name", "hercules", "age", 30);

        Vertex alcmene = tx.addVertex(T.label, "human", "name", "alcmene", "age", 45);

        Vertex pluto = tx.addVertex(T.label, "god", "name", "pluto", "age", 4000);

        Vertex nemean = tx.addVertex(T.label, "monster", "name", "nemean");

        Vertex hydra = tx.addVertex(T.label, "monster", "name", "hydra");

        Vertex cerberus = tx.addVertex(T.label, "monster", "name", "cerberus");

        Vertex tartarus = tx.addVertex(T.label, "location", "name", "tartarus");

        // edges

        jupiter.addEdge("father", saturn);
        jupiter.addEdge("lives", sky, "reason", "loves fresh breezes");
        jupiter.addEdge("brother", neptune);
        jupiter.addEdge("brother", pluto);

        neptune.addEdge("lives", sea).property("reason", "loves waves");
        neptune.addEdge("brother", jupiter);
        neptune.addEdge("brother", pluto);

        hercules.addEdge("father", jupiter);
        hercules.addEdge("mother", alcmene);
        hercules.addEdge("battled", nemean, "time", 1, "place", Geoshape.point(38.1f, 23.7f));
        hercules.addEdge("battled", hydra, "time", 2, "place", Geoshape.point(37.7f, 23.9f));
        hercules.addEdge("battled", cerberus, "time", 12, "place", Geoshape.point(39f, 22f));

        pluto.addEdge("brother", jupiter);
        pluto.addEdge("brother", neptune);
        pluto.addEdge("lives", tartarus, "reason", "no fear of death");
        pluto.addEdge("pet", cerberus);

        cerberus.addEdge("lives", tartarus);

        // commit the transaction to disk
        tx.commit();
    }
 

@Override
public TitanManagement.IndexBuilder addKey(PropertyKey key) {
    Preconditions.checkArgument(key != null && (key instanceof PropertyKeyVertex), "Key must be a user defined key: %s", key);
    keys.put(key, null);
    return this;
}
 

public TitanManagement.IndexJobFuture getRunningJob(Object jobId) {
    return runningJobs.get(jobId);
}
 

public TitanManagement.IndexJobFuture execute() throws BackendException {
            Preconditions.checkArgument(job!=null,"Need to specify a job to execute");
            Preconditions.checkArgument(StringUtils.isNotBlank(dbName),"Need to specify a database to execute against");
            Preconditions.checkArgument(times!=null,"Need to configure the timestamp provider for this job");
            StandardBaseTransactionConfig.Builder txBuilder = new StandardBaseTransactionConfig.Builder();
            txBuilder.timestampProvider(times);

            Configuration scanConfig = manager.getFeatures().getScanTxConfig();
            if (Configuration.EMPTY != graphConfiguration) {
                scanConfig = null == scanConfig ?
                        graphConfiguration :
                        new MergedConfiguration(graphConfiguration, scanConfig);
            }
            if (null != scanConfig) {
                txBuilder.customOptions(scanConfig);
            }

//            if (!txOptions.isEmpty()) {
//                ModifiableConfiguration writeConf = GraphDatabaseConfiguration.buildConfiguration();
//                for (Map.Entry<String,Object> confEntry : txOptions.entrySet()) {
//                    writeConf.set(
//                            (ConfigOption<Object>) ConfigElement.parse(ROOT_NS, confEntry.getKey()).element,
//                            confEntry.getValue());
//                }
//                Configuration customConf = writeConf;
//                if (configuration!=Configuration.EMPTY) {
//                    customConf = new MergedConfiguration(writeConf, configuration);
//
//                }
//                txBuilder.customOptions(customConf);
//            }

            StoreTransaction storeTx = manager.beginTransaction(txBuilder.build());
            KeyColumnValueStore kcvs = manager.openDatabase(dbName);

            openStores.add(kcvs);
            try {
                StandardScannerExecutor executor = new StandardScannerExecutor(job, finishJob, kcvs, storeTx,
                        manager.getFeatures(), numProcessingThreads, workBlockSize, jobConfiguration, graphConfiguration);
                addJob(jobId,executor);
                new Thread(executor).start();
                return executor;
            } catch (Throwable e) {
                storeTx.rollback();
                throw e;
            }
        }