/** Deserializes a protobuf to a HashedVersion POJO. */ public static HashedVersion deserialize(ProtocolHashedVersion hashedVersion) { final ByteString historyHash = hashedVersion.getHistoryHash(); return HashedVersion.of(hashedVersion.getVersion(), historyHash.toByteArray()); }
listener.onSuccess(deltaHistoryBytes.build(), endVersion, endVersion.getVersion());
@Override public void submitRequest(WaveletName waveletName, ProtocolWaveletDelta delta, final SubmitRequestListener listener) { Preconditions.checkState(initialized, "Wave server not yet initialized"); if (delta.getOperationCount() == 0) { listener.onFailure("Empty delta at version " + delta.getHashedVersion().getVersion()); return; } // The serialised version of this delta happens now. This should be the only place, ever! ProtocolSignedDelta signedDelta = certificateManager.signDelta(ByteStringMessage.serializeMessage(delta)); submitDelta(waveletName, delta, signedDelta, new SubmitResultListener() { @Override public void onFailure(FederationError errorMessage) { listener.onFailure(errorMessage.getErrorMessage()); } @Override public void onSuccess(int operationsApplied, ProtocolHashedVersion hashedVersionAfterApplication, long applicationTimestamp) { listener.onSuccess(operationsApplied, CoreWaveletOperationSerializer.deserialize(hashedVersionAfterApplication), applicationTimestamp); } }); }
+ delta.getHashedVersion().getVersion() + " with " + delta.getOperationCount() + " ops");
currentVersion = waveletSnapshot.snapshot.getVersion(); if (currentVersion == delta.getHashedVersion().getVersion()) { if (importedFromVersion == -1) { importedFromVersion = currentVersion; + delta.getHashedVersion().getVersion() + ", but current version is " + currentVersion + "." + "Possibly wavelet is modified during import."); return;
if (delta.getHashedVersion().getVersion() == 0) { LOG.warning("Remote user tried to submit delta at version 0 - disallowed. " + signedDelta); listener.onFailure(FederationErrors.badRequest("Remote users may not create wavelets."));
wavelet.setVersion(snapshot.getVersion().getVersion()); wavelet.setLastModifiedTime(snapshot.getLastModifiedTime());
/** * Assert that an operation is unchanged when serialised then deserialised. * * @param op operation to check */ private static void assertReversible(WaveletOperation op) { // Test both (de)serialising a single operation... assertEquals(op, CoreWaveletOperationSerializer.deserialize( CoreWaveletOperationSerializer.serialize(op), OP_CONTEXT)); List<WaveletOperation> ops = ImmutableList.of(op, op, op); ParticipantId author = new ParticipantId("kalman@google.com"); HashedVersion hashedVersion = HashedVersion.unsigned(0); WaveletDelta delta = new WaveletDelta(author, hashedVersion, ops); ProtocolWaveletDelta serialized = CoreWaveletOperationSerializer.serialize(delta); WaveletDelta deserialized = CoreWaveletOperationSerializer.deserialize(serialized); assertEquals(hashedVersion.getVersion(), serialized.getHashedVersion().getVersion()); assertTrue(Arrays.equals(hashedVersion.getHistoryHash(), serialized.getHashedVersion().getHistoryHash().toByteArray())); assertDeepEquals(delta, deserialized); }
/** * Assert that an operation is unchanged when serialised then deserialised. * * @param op operation to check */ private static void assertReversible(WaveletOperation op) { // Test both (de)serialising a single operation... assertEquals(op, CoreWaveletOperationSerializer.deserialize( CoreWaveletOperationSerializer.serialize(op), OP_CONTEXT)); List<WaveletOperation> ops = ImmutableList.of(op, op, op); ParticipantId author = new ParticipantId("kalman@google.com"); HashedVersion hashedVersion = HashedVersion.unsigned(0); WaveletDelta delta = new WaveletDelta(author, hashedVersion, ops); ProtocolWaveletDelta serialized = CoreWaveletOperationSerializer.serialize(delta); WaveletDelta deserialized = CoreWaveletOperationSerializer.deserialize(serialized); assertEquals(hashedVersion.getVersion(), serialized.getHashedVersion().getVersion()); assertTrue(Arrays.equals(hashedVersion.getHistoryHash(), serialized.getHashedVersion().getHistoryHash().toByteArray())); assertDeepEquals(delta, deserialized); }
/** * Return the updated ProtocolHashedVersion for the given input. * * @param appliedDeltaBytes raw bytes of appliedDelta * @param appliedAt version delta was applied at, must match appliedDelta * @param operationsApplied number of operations applied, must match appliedDelta * @return new ProtocolHashedVersion */ public static ProtocolHashedVersion create(ByteString appliedDeltaBytes, ProtocolHashedVersion appliedAt, int operationsApplied) { // TODO(thorogood): verify appliedAt and operationsApplied against the raw bytes? return ProtocolHashedVersion.newBuilder() .setVersion(appliedAt.getVersion() + operationsApplied) .setHistoryHash(nextHash(appliedAt.getHistoryHash(), appliedDeltaBytes)) .build(); }