Examples with QueryRaftRunnable com.hazelcast.cp.internal.raft.impl.dataservice.QueryRaftRunnable used on opensource projects

Example 1 with QueryRaftRunnable

use of com.hazelcast.cp.internal.raft.impl.dataservice.QueryRaftRunnable in project hazelcast by hazelcast.

the class LinearizableQueryTest method when_multipleQueryLimitIsReachedBeforeHeartbeatAcks_then_noNewQueryIsAccepted.

@Test(timeout = 300_000)
public void when_multipleQueryLimitIsReachedBeforeHeartbeatAcks_then_noNewQueryIsAccepted() throws Exception {
    RaftAlgorithmConfig config = new RaftAlgorithmConfig().setUncommittedEntryCountToRejectNewAppends(1);
    group = new LocalRaftGroupBuilder(5, config).setAppendNopEntryOnLeaderElection(true).build();
    group.start();
    RaftNodeImpl leader = group.waitUntilLeaderElected();
    assertTrueEventually(() -> assertThat(getCommitIndex(leader), greaterThanOrEqualTo(1L)));
    RaftNodeImpl[] followers = group.getNodesExcept(leader.getLocalMember());
    group.dropMessagesToMember(leader.getLocalMember(), followers[0].getLocalMember(), AppendRequest.class);
    group.dropMessagesToMember(leader.getLocalMember(), followers[1].getLocalMember(), AppendRequest.class);
    group.dropMessagesToMember(leader.getLocalMember(), followers[2].getLocalMember(), AppendRequest.class);
    InternalCompletableFuture queryFuture1 = leader.query(new QueryRaftRunnable(), LINEARIZABLE);
    InternalCompletableFuture queryFuture2 = leader.query(new QueryRaftRunnable(), LINEARIZABLE);
    try {
        queryFuture2.joinInternal();
        fail();
    } catch (CannotReplicateException ignored) {
    }
    group.resetAllRulesFrom(leader.getLocalMember());
    queryFuture1.get();
}

Example 2 with QueryRaftRunnable

use of com.hazelcast.cp.internal.raft.impl.dataservice.QueryRaftRunnable in project hazelcast by hazelcast.

the class LinearizableQueryTest method when_multipleQueriesAreIssuedBeforeHeartbeatAcksReceived_then_allQueriesExecutedAtOnce.

@Test(timeout = 300_000)
public void when_multipleQueriesAreIssuedBeforeHeartbeatAcksReceived_then_allQueriesExecutedAtOnce() throws Exception {
    group = newGroup();
    group.start();
    RaftNodeImpl leader = group.waitUntilLeaderElected();
    leader.replicate(new ApplyRaftRunnable("value1")).get();
    RaftNodeImpl[] followers = group.getNodesExcept(leader.getLocalMember());
    group.dropMessagesToMember(leader.getLocalMember(), followers[0].getLocalMember(), AppendRequest.class);
    group.dropMessagesToMember(leader.getLocalMember(), followers[1].getLocalMember(), AppendRequest.class);
    group.dropMessagesToMember(leader.getLocalMember(), followers[2].getLocalMember(), AppendRequest.class);
    InternalCompletableFuture queryFuture1 = leader.query(new QueryRaftRunnable(), LINEARIZABLE);
    InternalCompletableFuture queryFuture2 = leader.query(new QueryRaftRunnable(), LINEARIZABLE);
    group.resetAllRulesFrom(leader.getLocalMember());
    assertEquals("value1", queryFuture1.get());
    assertEquals("value1", queryFuture2.get());
}

Example 3 with QueryRaftRunnable

use of com.hazelcast.cp.internal.raft.impl.dataservice.QueryRaftRunnable in project hazelcast by hazelcast.

the class LinearizableQueryTest method when_newCommitIsDoneWhileThereAreMultipleQueries_then_allQueriesRunAfterCommit.

@Test(timeout = 300_000)
public void when_newCommitIsDoneWhileThereAreMultipleQueries_then_allQueriesRunAfterCommit() throws Exception {
    group = newGroup();
    group.start();
    RaftNodeImpl leader = group.waitUntilLeaderElected();
    leader.replicate(new ApplyRaftRunnable("value1")).get();
    RaftNodeImpl[] followers = group.getNodesExcept(leader.getLocalMember());
    group.dropMessagesToMember(leader.getLocalMember(), followers[0].getLocalMember(), AppendRequest.class);
    group.dropMessagesToMember(leader.getLocalMember(), followers[1].getLocalMember(), AppendRequest.class);
    group.dropMessagesToMember(leader.getLocalMember(), followers[2].getLocalMember(), AppendRequest.class);
    InternalCompletableFuture replicateFuture = leader.replicate(new ApplyRaftRunnable("value2"));
    InternalCompletableFuture queryFuture1 = leader.query(new QueryRaftRunnable(), LINEARIZABLE);
    InternalCompletableFuture queryFuture2 = leader.query(new QueryRaftRunnable(), LINEARIZABLE);
    group.resetAllRulesFrom(leader.getLocalMember());
    replicateFuture.get();
    assertEquals("value2", queryFuture1.get());
    assertEquals("value2", queryFuture2.get());
}

Example 4 with QueryRaftRunnable

use of com.hazelcast.cp.internal.raft.impl.dataservice.QueryRaftRunnable in project hazelcast by hazelcast.

the class LinearizableQueryTest method when_leaderDemotesToFollowerWhileThereIsOngoingQuery_then_queryFails.

@Test(timeout = 300_000)
public void when_leaderDemotesToFollowerWhileThereIsOngoingQuery_then_queryFails() throws Exception {
    group = newGroup();
    group.start();
    RaftNodeImpl oldLeader = group.waitUntilLeaderElected();
    final int[] split = group.createMajoritySplitIndexes(false);
    group.split(split);
    InternalCompletableFuture queryFuture = oldLeader.query(new QueryRaftRunnable(), LINEARIZABLE);
    assertTrueEventually(() -> {
        for (int ix : split) {
            RaftEndpoint newLeader = getLeaderMember(group.getNode(ix));
            assertNotNull(newLeader);
            assertNotEquals(oldLeader.getLocalMember(), newLeader);
        }
    });
    RaftNodeImpl newLeader = group.getNode(getLeaderMember(group.getNode(split[0])));
    newLeader.replicate(new ApplyRaftRunnable("value1")).get();
    group.merge();
    group.waitUntilLeaderElected();
    assertEquals(oldLeader.getLeader(), newLeader.getLocalMember());
    try {
        queryFuture.joinInternal();
        fail();
    } catch (LeaderDemotedException ignored) {
    }
}

Example 5 with QueryRaftRunnable

use of com.hazelcast.cp.internal.raft.impl.dataservice.QueryRaftRunnable in project hazelcast by hazelcast.

the class LinearizableQueryTest method when_newCommitIsDoneWhileThereIsWaitingQuery_then_queryRunsAfterNewCommit.

@Test(timeout = 300_000)
public void when_newCommitIsDoneWhileThereIsWaitingQuery_then_queryRunsAfterNewCommit() throws Exception {
    group = newGroup();
    group.start();
    RaftNodeImpl leader = group.waitUntilLeaderElected();
    leader.replicate(new ApplyRaftRunnable("value1")).get();
    RaftNodeImpl[] followers = group.getNodesExcept(leader.getLocalMember());
    group.dropMessagesToMember(leader.getLocalMember(), followers[0].getLocalMember(), AppendRequest.class);
    group.dropMessagesToMember(leader.getLocalMember(), followers[1].getLocalMember(), AppendRequest.class);
    group.dropMessagesToMember(leader.getLocalMember(), followers[2].getLocalMember(), AppendRequest.class);
    InternalCompletableFuture replicateFuture = leader.replicate(new ApplyRaftRunnable("value2"));
    InternalCompletableFuture queryFuture = leader.query(new QueryRaftRunnable(), LINEARIZABLE);
    group.resetAllRulesFrom(leader.getLocalMember());
    replicateFuture.get();
    Object o = queryFuture.get();
    assertEquals("value2", o);
}