@Override
public TitanType getType(String name) {
verifyOpen();
TitanType type = typeCache.get(name);
if (type == null)
type = (TitanType) Iterables.getOnlyElement(getVertices(SystemKey.TypeName, name), null);
return type;
}
@Override
public TitanVertex getVertex(TitanKey key, Object attribute) {
Preconditions.checkArgument(
key.isUnique(Direction.IN), "Key is not uniquely associated to value [%s]", key.getName());
return Iterables.getOnlyElement(getVertices(key, attribute), null);
}