Package org.robotninjas.barge.log

Examples of org.robotninjas.barge.log.GetEntriesResult

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    // if the last rpc call was successful then try to send
    // as many updates as we can, otherwise, if we're
    // probing backwards, only send one entry as a probe, as
    // soon as we have a successful call forwards will become
    // true and we can catch up quickly
    GetEntriesResult result = log.getEntriesFrom(nextIndex, forwards ? BATCH_SIZE : 1);

    final AppendEntries request = AppendEntries.newBuilder()
        .setTerm(log.currentTerm())
        .setLeaderId(log.self().toString())
        .setPrevLogIndex(result.lastLogIndex())
        .setPrevLogTerm(result.lastLogTerm())
        .setCommitIndex(log.commitIndex())
        .addAllEntries(result.entries())
        .build();

    LOGGER.debug("Sending update to {} prevLogIndex: {}, prevLogTerm: {}, nr. of entries {}", remote, result.lastLogIndex(),
      result.lastLogTerm(), result.entries().size());

    final ListenableFuture<AppendEntriesResponse> response = client.appendEntries(remote, request);

    final SettableFuture<AppendEntriesResponse> previousResponse = nextResponse;

    Futures.addCallback(response, new FutureCallback<AppendEntriesResponse>() {

        @Override
        public void onSuccess(@Nullable AppendEntriesResponse result) {
          waitingForResponse = false;

          if (result != null) {
            updateNextIndex(request, result);

            if (result.getSuccess()) {
              previousResponse.set(result);
            }
          }

        }
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  public void testInitialSendOutstanding() {

    ListenableFuture<AppendEntriesResponse> mockResponse = mock(ListenableFuture.class);
    when(mockClient.appendEntries(eq(FOLLOWER), any(AppendEntries.class))).thenReturn(mockResponse);

    GetEntriesResult entriesResult = new GetEntriesResult(0L, 0L, Collections.<Entry>emptyList());
    when(mockRaftLog.getEntriesFrom(anyLong(), anyInt())).thenReturn(entriesResult);

    ReplicaManager replicaManager = new ReplicaManager(mockClient, mockRaftLog, FOLLOWER);
    ListenableFuture f1 = replicaManager.requestUpdate();
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    SettableFuture<AppendEntriesResponse> response = SettableFuture.create();
    when(mockClient.appendEntries(eq(FOLLOWER), any(AppendEntries.class))).thenReturn(response)
      .thenReturn(mock(ListenableFuture.class));


    GetEntriesResult entriesResult = new GetEntriesResult(0L, 0L, Collections.<Entry>emptyList());
    when(mockRaftLog.getEntriesFrom(anyLong(), anyInt())).thenReturn(entriesResult);

    ReplicaManager replicaManager = new ReplicaManager(mockClient, mockRaftLog, FOLLOWER);

    replicaManager.requestUpdate();
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    when(mockClient.appendEntries(eq(FOLLOWER), any(AppendEntries.class))).thenReturn(response)
      .thenReturn(mock(ListenableFuture.class));

    Entry entry = Entry.newBuilder().setTerm(1).setCommand(new byte[0]).build();

    GetEntriesResult entriesResult = new GetEntriesResult(0L, 0L, Lists.newArrayList(entry));
    when(mockRaftLog.getEntriesFrom(anyLong(), anyInt())).thenReturn(entriesResult);

    ReplicaManager replicaManager = new ReplicaManager(mockClient, mockRaftLog, FOLLOWER);

    replicaManager.requestUpdate();
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Related Classes of org.robotninjas.barge.log.GetEntriesResult

  • org.robotninjas.barge.state.ReplicaManager
  • org.robotninjas.barge.state.ReplicaManagerTest
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