Examples of WaveletDelta

org.waveprotocol.wave.model.operation.wave.WaveletDelta
A wavelet delta is a collection of {@link WaveletOperation}s from a single author, targeting a particular version of the wavelet. A delta is immutable (List mutation operations throw {@link UnsupportedOperationException}). @author anorth@google.com (Alex North)

Examples of org.waveprotocol.wave.model.operation.wave.WaveletDelta


    // Submit delta.
    final long versionAfterServer1 = initialVersion + serverOps1;
    final int sigAfterServer1 = 0x11111111;
    final int clientOps = 5;
    final WaveletDelta clientDelta = buildDelta(versionAfterServer1, clientOps);
    submitDeltaOnConnectedChannel(clientDelta);


    // Receive a second server delta, too far ahead of the client ops.
    final long versionAfterClient = versionAfterServer1 + clientOps;
    final int sigAfterClient = 0x22222222;

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Examples of org.waveprotocol.wave.model.operation.wave.WaveletDelta


    // Submit delta.
    final long versionAfterServer1 = initialVersion + serverOps1;
    final int sigAfterServer1 = 0x11111111;
    final int clientOps = 5;
    final WaveletDelta clientDelta = buildDelta(versionAfterServer1, clientOps);
    submitDeltaOnConnectedChannel(clientDelta);


    // Receive a second server delta that initially looks ok.
    final long versionAfterClient = versionAfterServer1 + clientOps;
    final int sigAfterClient = 0x22222222;

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Examples of org.waveprotocol.wave.model.operation.wave.WaveletDelta

      assertTrue(expectations.isEmpty());
    }


    @Override
    public void submit(WaveletDelta delta, SubmitCallback callback) {
      WaveletDelta e = expectations.remove();
      assertEquals(e, delta);
      awaitingAck.add(callback);
    }

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Examples of org.waveprotocol.wave.model.operation.wave.WaveletDelta

    if (delta.getTargetVersion().getVersion() > deltaHistory.getCurrentVersion()) {
      throw new TransformException("Client has a newer version than server knows. client: "
                                   + delta.getTargetVersion() + ", server: "
                                   + deltaHistory.getCurrentVersion());
    }
    WaveletDelta result = delta;
    while (result.getTargetVersion().getVersion() < deltaHistory.getCurrentVersion()) {
      TransformedWaveletDelta serverDelta =
          deltaHistory.getDeltaStartingAt(result.getTargetVersion().getVersion());
      if (serverDelta == null) {
        // Note that this will trigger if the available history changes out from
        // under us. This should not happen as the caller of this method should
        // control changes to the underlying set via locks, e.g. writeLock in
        // the WS's WaveletContext.
        throw new IllegalStateException("No delta at version: " + result.getTargetVersion());
      }
      DeltaPair pair = new DeltaPair(result, serverDelta).transform();
      result = new WaveletDelta(delta.getAuthor(), serverDelta.getResultingVersion(),
          pair.getClient());
    }
    return result;
  }

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Examples of org.waveprotocol.wave.model.operation.wave.WaveletDelta


  private void submitDeltaToNewWavelet(WaveletName name, ParticipantId user,
      WaveletOperation... ops) throws Exception {


    HashedVersion version = V0_HASH_FACTORY.createVersionZero(name);
    WaveletDelta delta = new WaveletDelta(user, version, Arrays.asList(ops));
    addWaveletToUserView(name, user);




    ProtocolWaveletDelta protoDelta = CoreWaveletOperationSerializer.serialize(delta);

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Examples of org.waveprotocol.wave.model.operation.wave.WaveletDelta


  private void submitDeltaToNewWavelet(WaveletName name, ParticipantId user,
      WaveletOperation... ops) {
    HashedVersion version = V0_HASH_FACTORY.createVersionZero(name);


    WaveletDelta delta = new WaveletDelta(user, version, ImmutableList.copyOf(ops));


    ProtocolWaveletDelta protoDelta = CoreWaveletOperationSerializer.serialize(delta);


    // Submitting the request will require the certificate manager to sign the delta. We'll just
    // leave it unsigned.

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Examples of org.waveprotocol.wave.model.operation.wave.WaveletDelta

   * transformed delta objects.
   */
  private static WaveletDeltaRecord makeDelta(HashedVersion appliedAtVersion, long timestamp,
      int numOps) throws InvalidProtocolBufferException {
    // Use no-op delta so the ops can actually apply.
    WaveletDelta delta = UTIL.makeNoOpDelta(appliedAtVersion, timestamp, numOps);
    ByteStringMessage<ProtocolAppliedWaveletDelta> appliedDelta =
        WaveServerTestUtil.buildAppliedDelta(delta, timestamp);
    TransformedWaveletDelta transformedDelta =
        AppliedDeltaUtil.buildTransformedDelta(appliedDelta, delta);
    return new WaveletDeltaRecord(appliedAtVersion, appliedDelta, transformedDelta);

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Examples of org.waveprotocol.wave.model.operation.wave.WaveletDelta

    // submit with a suspended argument ("thunk", "callback")
    // which is invoked when the RPC request is put on the wire,
    // and let the suspension invoke takeArgs
    // NOTE(anorth): the op channel does not currently take advantage
    // of this anyway.
    final WaveletDelta delta = takeArgs();


    if (delta == null) {
      return; // Transmission has been cancelled.
    }

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Examples of org.waveprotocol.wave.model.operation.wave.WaveletDelta


    // If we are sending something then we have inferred our location on the server path
    endOfStartingDelta = null;


    List<WaveletOperation> ops = clientOperationQueue.take();
    unacknowledged = new WaveletDelta(ops.get(0).getContext().getCreator(),
        getLastSignature(), ops);


    if (logger.isModuleEnabled() && logger.trace().shouldLog()) {
      logger.trace().log("Sending delta to server with last known server version " +
          unacknowledged.getTargetVersion(), unacknowledged);

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Examples of org.waveprotocol.wave.model.operation.wave.WaveletDelta


      DeltaPair transformedPair = (new DeltaPair(unacknowledged, serverDelta)).transform();
      // The ops of the server delta are transformed, all metadata remains.
      transformedServerDelta = transformedPair.getServer();
      // The unacknowledged delta must have applied after the server delta.
      unacknowledged = new WaveletDelta(unacknowledged.getAuthor(),
          serverDelta.getResultingVersion(), transformedPair.getClient());
    }


    // Transform against any queued ops
    transformedServerDelta = clientOperationQueue.transform(transformedServerDelta);

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