/** * Updates a {@link Robot} with information about a waveletUpdate event. * * @param robot The robot to process the update for. * @param wavelet the wavelet on which the update is occuring. * @param deltas the deltas the have been applied to the given wavelet. */ private void updateRobot(Robot robot, ReadableWaveletData wavelet, DeltaSequence deltas) { try { robot.waveletUpdate(wavelet, deltas); ensureScheduled(robot); } catch (OperationException e) { LOG.warning("Unable to update robot(" + robot.getRobotName() + ")", e); } }
/** * Enqueues an empty wavelet into the {@link Robot}. */ private void enqueueEmptyWavelet() throws Exception { HashedVersion hashedVersionZero = HASH_FACTORY.createVersionZero(WAVELET_NAME); WaveletData waveletData = WaveletDataUtil.createEmptyWavelet(WAVELET_NAME, ALEX, hashedVersionZero, 0L); robot.waveletUpdate(waveletData, DeltaSequence.empty()); } }
/** * Enqueues an empty wavelet into the {@link Robot}. */ private void enqueueEmptyWavelet() throws Exception { HashedVersion hashedVersionZero = HASH_FACTORY.createVersionZero(WAVELET_NAME); WaveletData waveletData = WaveletDataUtil.createEmptyWavelet(WAVELET_NAME, ALEX, hashedVersionZero, 0L); robot.waveletUpdate(waveletData, DeltaSequence.empty()); } }
public void testUpdateWaveletWithGap() throws Exception { HashedVersion hashedVersionZero = HASH_FACTORY.createVersionZero(WAVELET_NAME); WaveletData waveletData = WaveletDataUtil.createEmptyWavelet(WAVELET_NAME, ALEX, hashedVersionZero, 0L); robot.waveletUpdate(waveletData, DeltaSequence.empty()); // We are making an delta which applies to version 1, however the robot only // knows about version 0. ParticipantId bob = ParticipantId.of("bob@exmaple.com"); HashedVersion v2 = HashedVersion.unsigned(2); WaveletOperation addBob = new AddParticipant(new WaveletOperationContext(ALEX, 0L, 1, v2), bob); addBob.apply(waveletData); waveletData.setHashedVersion(v2); waveletData.setVersion(2); TransformedWaveletDelta delta = new TransformedWaveletDelta(ALEX, v2, 0L, Collections.singletonList(addBob)); // Send the delta for version 1 to the robot, it should now enqueue a new // wavelet since it is missing deltas. robot.waveletUpdate(waveletData, DeltaSequence.of(delta)); WaveletAndDeltas firstWavelet = robot.dequeueWavelet(); assertNotNull("Expected a wavelet to be dequeued", firstWavelet); assertEquals("The wavelet with version zero should be first", hashedVersionZero, firstWavelet.getVersionAfterDeltas()); WaveletAndDeltas secondWavelet = robot.dequeueWavelet(); assertNotNull("Expected a wavelet to be dequeued", secondWavelet); assertEquals("The wavelet with version two should be second", v2, secondWavelet.getVersionAfterDeltas()); assertNull("Only expected two wavelets to be dequeued", robot.dequeueWavelet()); }
public void testUpdateWaveletWithGap() throws Exception { HashedVersion hashedVersionZero = HASH_FACTORY.createVersionZero(WAVELET_NAME); WaveletData waveletData = WaveletDataUtil.createEmptyWavelet(WAVELET_NAME, ALEX, hashedVersionZero, 0L); robot.waveletUpdate(waveletData, DeltaSequence.empty()); // We are making an delta which applies to version 1, however the robot only // knows about version 0. ParticipantId bob = ParticipantId.of("bob@exmaple.com"); HashedVersion v2 = HashedVersion.unsigned(2); WaveletOperation addBob = new AddParticipant(new WaveletOperationContext(ALEX, 0L, 1, v2), bob); addBob.apply(waveletData); waveletData.setHashedVersion(v2); waveletData.setVersion(2); TransformedWaveletDelta delta = new TransformedWaveletDelta(ALEX, v2, 0L, Collections.singletonList(addBob)); // Send the delta for version 1 to the robot, it should now enqueue a new // wavelet since it is missing deltas. robot.waveletUpdate(waveletData, DeltaSequence.of(delta)); WaveletAndDeltas firstWavelet = robot.dequeueWavelet(); assertNotNull("Expected a wavelet to be dequeued", firstWavelet); assertEquals("The wavelet with version zero should be first", hashedVersionZero, firstWavelet.getVersionAfterDeltas()); WaveletAndDeltas secondWavelet = robot.dequeueWavelet(); assertNotNull("Expected a wavelet to be dequeued", secondWavelet); assertEquals("The wavelet with version two should be second", v2, secondWavelet.getVersionAfterDeltas()); assertNull("Only expected two wavelets to be dequeued", robot.dequeueWavelet()); }