use of org.apache.tinkerpop.gremlin.tinkergraph.structure.TinkerGraph in project cypher-for-gremlin by opencypher.
the class InMemoryCypherGremlinClientTest method setUp.
@Before
public void setUp() {
TinkerGraph graph = TinkerGraph.open();
client = new InMemoryCypherGremlinClient(graph.traversal());
}
use of org.apache.tinkerpop.gremlin.tinkergraph.structure.TinkerGraph in project cypher-for-gremlin by opencypher.
the class CypherGremlinServerClient method inMemory.
@Test
public void inMemory() {
// freshReadmeSnippet: inMemory
TinkerGraph graph = TinkerFactory.createModern();
GraphTraversalSource traversal = graph.traversal();
CypherGremlinClient cypherGremlinClient = CypherGremlinClient.inMemory(traversal);
String cypher = "MATCH (p:person) WHERE p.age > 25 RETURN p.name";
List<Map<String, Object>> results = cypherGremlinClient.submit(cypher).all();
// freshReadmeSnippet: inMemory
assertThat(results).extracting("p.name").containsExactly("marko", "vadas", "josh", "peter");
}
use of org.apache.tinkerpop.gremlin.tinkergraph.structure.TinkerGraph in project janusgraph by JanusGraph.
the class TinkerGraphAppTest method createSchema.
@Test
public void createSchema() throws ConfigurationException, IOException {
final TinkerGraphApp app = new TinkerGraphApp(CONF_FILE);
final GraphTraversalSource g = app.openGraph();
app.createSchema();
final TinkerGraph tinkerGraph = (TinkerGraph) g.getGraph();
final Set<String> vertexIndexes = tinkerGraph.getIndexedKeys(TinkerVertex.class);
assertEquals(1, vertexIndexes.size());
assertEquals("name", vertexIndexes.toArray()[0]);
final Set<String> edgeIndexes = tinkerGraph.getIndexedKeys(TinkerEdge.class);
assertTrue(edgeIndexes.isEmpty());
}
use of org.apache.tinkerpop.gremlin.tinkergraph.structure.TinkerGraph in project titan by thinkaurelius.
the class TitanVertexDeserializer method readHadoopVertex.
// Read a single row from the edgestore and create a TinkerVertex corresponding to the row
// The neighboring vertices are represented by DetachedVertex instances
public TinkerVertex readHadoopVertex(final StaticBuffer key, Iterable<Entry> entries) {
// Convert key to a vertex ID
final long vertexId = idManager.getKeyID(key);
Preconditions.checkArgument(vertexId > 0);
// Partitioned vertex handling
if (idManager.isPartitionedVertex(vertexId)) {
Preconditions.checkState(setup.getFilterPartitionedVertices(), "Read partitioned vertex (ID=%s), but partitioned vertex filtering is disabled.", vertexId);
log.debug("Skipping partitioned vertex with ID {}", vertexId);
return null;
}
// Create TinkerVertex
TinkerGraph tg = TinkerGraph.open();
boolean foundVertexState = !verifyVertexExistence;
TinkerVertex tv = null;
// Iterate over edgestore columns to find the vertex's label relation
for (final Entry data : entries) {
RelationReader relationReader = setup.getRelationReader(vertexId);
final RelationCache relation = relationReader.parseRelation(data, false, typeManager);
if (systemTypes.isVertexLabelSystemType(relation.typeId)) {
// Found vertex Label
long vertexLabelId = relation.getOtherVertexId();
VertexLabel vl = typeManager.getExistingVertexLabel(vertexLabelId);
// Create TinkerVertex with this label
//tv = (TinkerVertex)tg.addVertex(T.label, vl.label(), T.id, vertexId);
tv = getOrCreateVertex(vertexId, vl.name(), tg);
}
}
// Added this following testing
if (null == tv) {
//tv = (TinkerVertex)tg.addVertex(T.id, vertexId);
tv = getOrCreateVertex(vertexId, null, tg);
}
Preconditions.checkState(null != tv, "Unable to determine vertex label for vertex with ID %s", vertexId);
// Iterate over and decode edgestore columns (relations) on this vertex
for (final Entry data : entries) {
try {
RelationReader relationReader = setup.getRelationReader(vertexId);
final RelationCache relation = relationReader.parseRelation(data, false, typeManager);
if (systemTypes.isVertexExistsSystemType(relation.typeId)) {
foundVertexState = true;
}
//Ignore system types
if (systemTypes.isSystemType(relation.typeId))
continue;
final RelationType type = typeManager.getExistingRelationType(relation.typeId);
//Ignore hidden types
if (((InternalRelationType) type).isInvisibleType())
continue;
// Decode and create the relation (edge or property)
if (type.isPropertyKey()) {
// Decode property
Object value = relation.getValue();
Preconditions.checkNotNull(value);
VertexProperty.Cardinality card = getPropertyKeyCardinality(type.name());
tv.property(card, type.name(), value, T.id, relation.relationId);
} else {
assert type.isEdgeLabel();
// Partitioned vertex handling
if (idManager.isPartitionedVertex(relation.getOtherVertexId())) {
Preconditions.checkState(setup.getFilterPartitionedVertices(), "Read edge incident on a partitioned vertex, but partitioned vertex filtering is disabled. " + "Relation ID: %s. This vertex ID: %s. Other vertex ID: %s. Edge label: %s.", relation.relationId, vertexId, relation.getOtherVertexId(), type.name());
log.debug("Skipping edge with ID {} incident on partitioned vertex with ID {} (and nonpartitioned vertex with ID {})", relation.relationId, relation.getOtherVertexId(), vertexId);
continue;
}
// Decode edge
TinkerEdge te;
if (relation.direction.equals(Direction.IN)) {
// We don't know the label of the other vertex, but one must be provided
TinkerVertex outV = getOrCreateVertex(relation.getOtherVertexId(), null, tg);
te = (TinkerEdge) outV.addEdge(type.name(), tv, T.id, relation.relationId);
} else if (relation.direction.equals(Direction.OUT)) {
// We don't know the label of the other vertex, but one must be provided
TinkerVertex inV = getOrCreateVertex(relation.getOtherVertexId(), null, tg);
te = (TinkerEdge) tv.addEdge(type.name(), inV, T.id, relation.relationId);
} else {
throw new RuntimeException("Direction.BOTH is not supported");
}
if (relation.hasProperties()) {
// Load relation properties
for (final LongObjectCursor<Object> next : relation) {
assert next.value != null;
RelationType rt = typeManager.getExistingRelationType(next.key);
if (rt.isPropertyKey()) {
// PropertyKey pkey = (PropertyKey)vertex.getTypeManager().getPropertyKey(rt.name());
// log.debug("Retrieved key {} for name \"{}\"", pkey, rt.name());
// frel.property(pkey.label(), next.value);
te.property(rt.name(), next.value);
} else {
throw new RuntimeException("Metaedges are not supported");
// assert next.value instanceof Long;
// EdgeLabel el = (EdgeLabel)vertex.getTypeManager().getEdgeLabel(rt.name());
// log.debug("Retrieved ege label {} for name \"{}\"", el, rt.name());
// frel.setProperty(el, new FaunusVertex(configuration,(Long)next.value));
}
}
}
}
// // Iterate over and copy the relation's metaproperties
// if (relation.hasProperties()) {
// // Load relation properties
// for (final LongObjectCursor<Object> next : relation) {
// assert next.value != null;
// RelationType rt = typeManager.getExistingRelationType(next.key);
// if (rt.isPropertyKey()) {
// PropertyKey pkey = (PropertyKey)vertex.getTypeManager().getPropertyKey(rt.name());
// log.debug("Retrieved key {} for name \"{}\"", pkey, rt.name());
// frel.property(pkey.label(), next.value);
// } else {
// assert next.value instanceof Long;
// EdgeLabel el = (EdgeLabel)vertex.getTypeManager().getEdgeLabel(rt.name());
// log.debug("Retrieved ege label {} for name \"{}\"", el, rt.name());
// frel.setProperty(el, new FaunusVertex(configuration,(Long)next.value));
// }
// }
// for (TitanRelation rel : frel.query().queryAll().relations())
// ((FaunusRelation)rel).setLifeCycle(ElementLifeCycle.Loaded);
// }
// frel.setLifeCycle(ElementLifeCycle.Loaded);
} catch (Exception e) {
throw new RuntimeException(e);
}
}
/*Since we are filtering out system relation types, we might end up with vertices that have no incident relations.
This is especially true for schema vertices. Those are filtered out. */
if (!foundVertexState) {
log.trace("Vertex {} has unknown lifecycle state", vertexId);
return null;
} else if (!tv.edges(Direction.BOTH).hasNext() && !tv.properties().hasNext()) {
log.trace("Vertex {} has no relations", vertexId);
return null;
}
return tv;
}
use of org.apache.tinkerpop.gremlin.tinkergraph.structure.TinkerGraph in project grakn by graknlabs.
the class GraknTxTinkerFactoryTest method whenBuildingTxFromTheSameFactory_ReturnSingletonGraphs.
@Test
public void whenBuildingTxFromTheSameFactory_ReturnSingletonGraphs() {
GraknTx tx1 = tinkerGraphFactory.open(GraknTxType.WRITE);
TinkerGraph tinkerGraph1 = ((GraknTxTinker) tx1).getTinkerPopGraph();
tx1.close();
GraknTx tx1_copy = tinkerGraphFactory.open(GraknTxType.WRITE);
tx1_copy.close();
GraknTx tx2 = tinkerGraphFactory.open(GraknTxType.BATCH);
TinkerGraph tinkerGraph2 = ((GraknTxTinker) tx2).getTinkerPopGraph();
tx2.close();
GraknTx tx2_copy = tinkerGraphFactory.open(GraknTxType.BATCH);
assertEquals(tx1, tx1_copy);
assertEquals(tx2, tx2_copy);
assertNotEquals(tx1, tx2);
assertEquals(tinkerGraph1, tinkerGraph2);
}
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