protected static void processMemory(final TraversalMatrix<?, ?> traversalMatrix, final Memory memory, final TraverserSet<Object> toProcessTraversers, final Set<String> completedBarriers) { // handle traversers and data that were sent from the workers to the master traversal via memory if (memory.exists(TraversalVertexProgram.MUTATED_MEMORY_KEYS)) { for (final String key : memory.<Set<String>>get(TraversalVertexProgram.MUTATED_MEMORY_KEYS)) { final Step<Object, Object> step = traversalMatrix.getStepById(key); assert step instanceof Barrier; completedBarriers.add(step.getId()); if (!(step instanceof LocalBarrier)) { // local barriers don't do any processing on the master traversal (they just lock on the workers) final Barrier<Object> barrier = (Barrier<Object>) step; barrier.addBarrier(memory.get(key)); step.forEachRemaining(toProcessTraversers::add); // if it was a reducing barrier step, reset the barrier to its seed value if (step instanceof ReducingBarrierStep) memory.set(step.getId(), ((ReducingBarrierStep) step).getSeedSupplier().get()); } } } memory.set(TraversalVertexProgram.MUTATED_MEMORY_KEYS, new HashSet<>()); }
step.forEachRemaining(traverser -> { if (traverser.isHalted() &&
protected static void processMemory(final TraversalMatrix<?, ?> traversalMatrix, final Memory memory, final TraverserSet<Object> toProcessTraversers, final Set<String> completedBarriers) { // handle traversers and data that were sent from the workers to the master traversal via memory if (memory.exists(TraversalVertexProgram.MUTATED_MEMORY_KEYS)) { for (final String key : memory.<Set<String>>get(TraversalVertexProgram.MUTATED_MEMORY_KEYS)) { final Step<Object, Object> step = traversalMatrix.getStepById(key); assert step instanceof Barrier; completedBarriers.add(step.getId()); if (!(step instanceof LocalBarrier)) { // local barriers don't do any processing on the master traversal (they just lock on the workers) final Barrier<Object> barrier = (Barrier<Object>) step; barrier.addBarrier(memory.get(key)); step.forEachRemaining(toProcessTraversers::add); // if it was a reducing barrier step, reset the barrier to its seed value if (step instanceof ReducingBarrierStep) memory.set(step.getId(), ((ReducingBarrierStep) step).getSeedSupplier().get()); } } } memory.set(TraversalVertexProgram.MUTATED_MEMORY_KEYS, new HashSet<>()); }
step.forEachRemaining(traverser -> { if (traverser.isHalted() &&