@Override
public boolean containsVertex(final long vertexid) {
verifyOpen();
if (vertexCache.contains(vertexid)) {
if (!vertexCache.get(vertexid, vertexConstructor).isRemoved()) return true;
else return false;
} else if (vertexid > 0 && graph.containsVertexID(vertexid, txHandle)) return true;
else return false;
}
@Override
public TitanVertex addVertex() {
verifyWriteAccess();
StandardVertex vertex =
new StandardVertex(this, temporaryID.decrementAndGet(), ElementLifeCycle.New);
vertex.addProperty(SystemKey.VertexState, (byte) 0);
if (config.hasAssignIDsImmediately()) graph.assignID(vertex);
vertexCache.add(vertex, vertex.getID());
return vertex;
}
public TitanLabel makeEdgeLabel(EdgeLabelDefinition definition) {
verifyOpen();
TitanLabelVertex label =
new TitanLabelVertex(this, temporaryID.decrementAndGet(), ElementLifeCycle.New);
addProperty(label, SystemKey.TypeName, definition.getName());
addProperty(label, SystemKey.RelationTypeDefinition, definition);
addProperty(label, SystemKey.TypeClass, TitanTypeClass.LABEL);
graph.assignID(label);
vertexCache.add(label, label.getID());
typeCache.put(definition.getName(), label);
return label;
}
public TitanKey makePropertyKey(PropertyKeyDefinition definition) {
verifyOpen();
TitanKeyVertex prop =
new TitanKeyVertex(this, temporaryID.decrementAndGet(), ElementLifeCycle.New);
addProperty(prop, SystemKey.TypeName, definition.getName());
addProperty(prop, SystemKey.PropertyKeyDefinition, definition);
addProperty(prop, SystemKey.TypeClass, TitanTypeClass.KEY);
graph.assignID(prop);
Preconditions.checkArgument(prop.getID() > 0);
vertexCache.add(prop, prop.getID());
typeCache.put(definition.getName(), prop);
return prop;
}
@Override
public Iterable<Vertex> getVertices() {
if (!addedRelations.isEmpty()) {
// There are possible new vertices
List<Vertex> newVs = new ArrayList<Vertex>();
for (InternalVertex v : vertexCache.getAll()) {
if (v.isNew() && !(v instanceof TitanType)) newVs.add(v);
}
return Iterables.concat(newVs, new VertexIterable(graph, this));
} else {
return (Iterable) new VertexIterable(graph, this);
}
}
public InternalVertex getExistingVertex(final long id) {
// return vertex no matter what, even if deleted
InternalVertex vertex = vertexCache.get(id, vertexConstructor);
return vertex;
}