public TitanProperty setProperty(TitanVertex vertex, final TitanKey key, Object value) { Preconditions.checkNotNull(key); Preconditions.checkArgument( key.isUnique(Direction.OUT), "Not an out-unique key: %s", key.getName()); Lock uniqueLock = FakeLock.INSTANCE; try { if (config.hasVerifyUniqueness()) { // Acquire uniqueness lock, remove and add uniqueLock = getUniquenessLock(vertex, key, value); uniqueLock.lock(); vertex.removeProperty(key); } else { // Only delete in-memory InternalVertex v = (InternalVertex) vertex; for (InternalRelation r : v.it() .getAddedRelations( new Predicate<InternalRelation>() { @Override public boolean apply(@Nullable InternalRelation p) { return p.getType().equals(key); } })) { r.remove(); } } return addPropertyInternal(vertex, key, value); } finally { uniqueLock.unlock(); } }
private void connectRelation(InternalRelation r) { for (int i = 0; i < r.getLen(); i++) { boolean success = r.getVertex(i).addRelation(r); if (!success) throw new AssertionError("Could not connect relation: " + r); } addedRelations.add(r); if (isVertexIndexProperty(r)) newVertexIndexEntries.add((TitanProperty) r); }
public void removeRelation(InternalRelation relation) { Preconditions.checkArgument(!relation.isRemoved()); relation = relation.it(); // Delete from Vertex for (int i = 0; i < relation.getLen(); i++) { relation.getVertex(i).removeRelation(relation); } // Update transaction data structures if (relation.isNew()) { addedRelations.remove(relation); if (isVertexIndexProperty(relation)) newVertexIndexEntries.remove((TitanProperty) relation); } else { Preconditions.checkArgument(relation.isLoaded()); if (deletedRelations == EMPTY_DELETED_RELATIONS) { if (config.isSingleThreaded()) { deletedRelations = new HashMap<Long, InternalRelation>(); } else { synchronized (this) { if (deletedRelations == EMPTY_DELETED_RELATIONS) deletedRelations = new ConcurrentHashMap<Long, InternalRelation>(); } } } deletedRelations.put(Long.valueOf(relation.getID()), relation); } }
private Entry serialize(StandardTitanGraph graph, TitanEdge e, int pos) { EdgeSerializer edgeSerializer = graph.getEdgeSerializer(); InternalRelation r = (InternalRelation) e; return edgeSerializer.writeRelation(r, pos, r.tx()); }