Examples with Outcome org.neo4j.causalclustering.core.consensus.outcome.Outcome used on opensource projects

Example 31 with Outcome

use of org.neo4j.causalclustering.core.consensus.outcome.Outcome in project neo4j by neo4j.

the class RaftStateBuilder method build.

public RaftState build() throws IOException {
    StateStorage<TermState> termStore = new InMemoryStateStorage<>(new TermState());
    StateStorage<VoteState> voteStore = new InMemoryStateStorage<>(new VoteState());
    StubMembership membership = new StubMembership(votingMembers, replicationMembers);
    RaftState state = new RaftState(myself, termStore, membership, entryLog, voteStore, new InFlightMap<>(), NullLogProvider.getInstance());
    Collection<RaftMessages.Directed> noMessages = Collections.emptyList();
    List<RaftLogCommand> noLogCommands = Collections.emptyList();
    state.update(new Outcome(null, term, leader, leaderCommit, votedFor, votesForMe, lastLogIndexBeforeWeBecameLeader, followerStates, false, noLogCommands, noMessages, emptySet(), commitIndex, emptySet()));
    return state;
}

Example 32 with Outcome

use of org.neo4j.causalclustering.core.consensus.outcome.Outcome in project neo4j by neo4j.

the class ClusterSafetyViolationsTest method commit.

private void commit(ClusterState clusterState, MemberId member, long commitIndex) throws IOException {
    ComparableRaftState state = clusterState.states.get(member);
    Outcome outcome = new Outcome(clusterState.roles.get(member), state);
    outcome.setCommitIndex(commitIndex);
    state.update(outcome);
}

Example 33 with Outcome

use of org.neo4j.causalclustering.core.consensus.outcome.Outcome in project neo4j by neo4j.

the class AppendEntriesRequestTest method shouldNotCommitAheadOfMatchingHistory.

@Test
public void shouldNotCommitAheadOfMatchingHistory() throws Exception {
    // given
    InMemoryRaftLog raftLog = new InMemoryRaftLog();
    RaftState state = raftState().entryLog(raftLog).myself(myself).build();
    long leaderTerm = state.term() + leaderTermDifference;
    RaftLogEntry previouslyAppendedEntry = new RaftLogEntry(leaderTerm, content());
    raftLog.append(previouslyAppendedEntry);
    // when
    Outcome outcome = role.handler.handle(appendEntriesRequest().from(leader).leaderTerm(leaderTerm).prevLogIndex(raftLog.appendIndex() + 1).prevLogTerm(leaderTerm).leaderCommit(0).build(), state, log());
    // then
    assertFalse(((Response) messageFor(outcome, leader)).success());
    assertThat(outcome.getLogCommands(), empty());
}

Example 34 with Outcome

use of org.neo4j.causalclustering.core.consensus.outcome.Outcome in project neo4j by neo4j.

the class AppendEntriesRequestTest method shouldAppendNewEntryAndCommitPreviouslyAppendedEntry.

@Test
public void shouldAppendNewEntryAndCommitPreviouslyAppendedEntry() throws Exception {
    // given
    InMemoryRaftLog raftLog = new InMemoryRaftLog();
    RaftState state = raftState().entryLog(raftLog).myself(myself).build();
    long leaderTerm = state.term() + leaderTermDifference;
    RaftLogEntry previouslyAppendedEntry = new RaftLogEntry(leaderTerm, content());
    raftLog.append(previouslyAppendedEntry);
    RaftLogEntry newLogEntry = new RaftLogEntry(leaderTerm, content());
    // when
    Outcome outcome = role.handler.handle(appendEntriesRequest().from(leader).leaderTerm(leaderTerm).prevLogIndex(raftLog.appendIndex()).prevLogTerm(leaderTerm).logEntry(newLogEntry).leaderCommit(0).build(), state, log());
    // then
    assertTrue(((Response) messageFor(outcome, leader)).success());
    assertThat(outcome.getCommitIndex(), Matchers.equalTo(0L));
    assertThat(outcome.getLogCommands(), hasItem(new BatchAppendLogEntries(1, 0, new RaftLogEntry[] { newLogEntry })));
}

Example 35 with Outcome

use of org.neo4j.causalclustering.core.consensus.outcome.Outcome in project neo4j by neo4j.

the class AppendEntriesRequestTest method shouldCommitEntry.

@Test
public void shouldCommitEntry() throws Exception {
    // given
    InMemoryRaftLog raftLog = new InMemoryRaftLog();
    RaftState state = raftState().entryLog(raftLog).myself(myself).build();
    long leaderTerm = state.term() + leaderTermDifference;
    raftLog.append(new RaftLogEntry(leaderTerm, content()));
    // when
    Outcome outcome = role.handler.handle(appendEntriesRequest().from(leader).leaderTerm(leaderTerm).prevLogIndex(raftLog.appendIndex()).prevLogTerm(leaderTerm).leaderCommit(0).build(), state, log());
    // then
    assertTrue(((Response) messageFor(outcome, leader)).success());
    assertThat(outcome.getCommitIndex(), Matchers.equalTo(0L));
}