Examples with RaftLog org.neo4j.causalclustering.core.consensus.log.RaftLog used on opensource projects

Example 6 with RaftLog

use of org.neo4j.causalclustering.core.consensus.log.RaftLog in project neo4j by neo4j.

the class AppendEntriesRequestTest method shouldAcceptInitialEntriesAfterBootstrap.

@Test
public void shouldAcceptInitialEntriesAfterBootstrap() throws Exception {
    RaftLog raftLog = bootstrappedLog();
    RaftState state = raftState().entryLog(raftLog).myself(myself).build();
    long leaderTerm = state.term() + leaderTermDifference;
    RaftLogEntry logEntry1 = new RaftLogEntry(leaderTerm, content());
    RaftLogEntry logEntry2 = new RaftLogEntry(leaderTerm, content());
    // when
    Outcome outcome = role.handler.handle(appendEntriesRequest().from(leader).leaderTerm(leaderTerm).prevLogIndex(0).prevLogTerm(0).logEntry(logEntry1).logEntry(logEntry2).build(), state, log());
    // then
    assertTrue(((Response) messageFor(outcome, leader)).success());
    assertThat(outcome.getLogCommands(), hasItem(new BatchAppendLogEntries(1, 0, new RaftLogEntry[] { logEntry1, logEntry2 })));
}

Example 7 with RaftLog

use of org.neo4j.causalclustering.core.consensus.log.RaftLog in project neo4j by neo4j.

the class AppendEntriesRequestTest method shouldAcceptInitialEntryAfterBootstrap.

@Test
public void shouldAcceptInitialEntryAfterBootstrap() throws Exception {
    RaftLog raftLog = bootstrappedLog();
    RaftState state = raftState().entryLog(raftLog).myself(myself).build();
    long leaderTerm = state.term() + leaderTermDifference;
    RaftLogEntry logEntry = new RaftLogEntry(leaderTerm, content());
    // when
    Outcome outcome = role.handler.handle(appendEntriesRequest().from(leader).leaderTerm(leaderTerm).prevLogIndex(0).prevLogTerm(0).logEntry(logEntry).build(), state, log());
    // then
    assertTrue(((Response) messageFor(outcome, leader)).success());
    assertThat(outcome.getLogCommands(), hasItem(new BatchAppendLogEntries(1, 0, new RaftLogEntry[] { logEntry })));
}

Example 8 with RaftLog

use of org.neo4j.causalclustering.core.consensus.log.RaftLog in project neo4j by neo4j.

the class AppendEntriesMessageFlowTest method setup.

@Before
public void setup() throws IOException {
    // given
    RaftLog raftLog = new InMemoryRaftLog();
    raftLog.append(new RaftLogEntry(0, new RaftTestGroup(0)));
    raft = new RaftMachineBuilder(myself, 3, RaftTestMemberSetBuilder.INSTANCE).raftLog(raftLog).outbound(outbound).build();
}

Example 9 with RaftLog

use of org.neo4j.causalclustering.core.consensus.log.RaftLog in project neo4j by neo4j.

the class RaftLogShipperTest method setup.

@Before
public void setup() {
    // defaults
    outbound = new OutboundMessageCollector();
    raftLog = new InMemoryRaftLog();
    clock = Clocks.systemClock();
    leader = member(0);
    follower = member(1);
    leaderTerm = 0;
    leaderCommit = 0;
    retryTimeMillis = 100000;
    logProvider = mock(LogProvider.class);
    log = mock(Log.class);
    when(logProvider.getLog(RaftLogShipper.class)).thenReturn(log);
}

Example 10 with RaftLog

use of org.neo4j.causalclustering.core.consensus.log.RaftLog in project neo4j by neo4j.

the class FollowerTest method followerLearningAboutHigherCommitCausesValuesTobeAppliedToItsLog.

// TODO move this to outcome tests
@Test
public void followerLearningAboutHigherCommitCausesValuesTobeAppliedToItsLog() throws Exception {
    // given
    RaftLog entryLog = new InMemoryRaftLog();
    entryLog.append(new RaftLogEntry(0, new RaftTestGroup(0)));
    RaftState state = raftState().myself(myself).entryLog(entryLog).build();
    Follower follower = new Follower();
    appendSomeEntriesToLog(state, follower, 3, 0, 1);
    // when receiving AppEntries with high leader commit (4)
    Outcome outcome = follower.handle(new AppendEntries.Request(myself, 0, 3, 0, new RaftLogEntry[] { new RaftLogEntry(0, ContentGenerator.content()) }, 4), state, log());
    state.update(outcome);
    // then
    assertEquals(4, state.commitIndex());
}