Examples with Subject org.voltcore.messaging.Subject used on opensource projects

Example 1 with Subject

use of org.voltcore.messaging.Subject in project voltdb by VoltDB.

the class TestMeshArbiter method testInterleavedFailures.

@Test
public void testInterleavedFailures() throws Exception {
    Maker<SiteFailureMessage> siteOneSfm = a(SiteFailureMessage, with(sfmSurvivors, Longs.asList(0, 2, 3)), with(sfmFailures, sfmFailed(1)), with(sfmSafeTxns, sfmSafe(0, 10, 1, 11, 2, 22, 3, 33)));
    Maker<SiteFailureMessage> siteTwoSfm = a(SiteFailureMessage, with(sfmSurvivors, Longs.asList(0, 3)), with(sfmFailures, sfmFailed(1, 2)), with(sfmSafeTxns, sfmSafe(0, 10, 1, 11, 2, 22, 3, 33)));
    when(aide.getNewestSafeTransactionForInitiator(1L)).thenReturn(11L);
    when(aide.getNewestSafeTransactionForInitiator(2L)).thenReturn(22L);
    when(mbox.recvBlocking(any(Subject[].class), eq(5L))).thenReturn(make(siteOneSfm.but(with(sfmSource, 0L)))).thenReturn(new FaultMessage(0, 2L));
    Map<Long, Long> decision = arbiter.reconfigureOnFault(hsids, new FaultMessage(0, 1));
    verify(mbox, times(1)).deliverFront(any(VoltMessage.class));
    verify(mbox, times(1)).send(any(long[].class), any(VoltMessage.class));
    verify(mbox).send(any(long[].class), argThat(siteFailureIs(sfmFailed(1), sfmSurvived(0, 2, 3))));
    assertEquals(decision, ImmutableMap.<Long, Long>of());
    reset(mbox);
    when(mbox.recvBlocking(any(Subject[].class), eq(5L))).thenReturn(make(siteOneSfm.but(with(sfmSource, 3L)))).thenReturn(make(siteTwoSfm.but(with(sfmSource, 0L)))).thenReturn(make(siteTwoSfm.but(with(sfmSource, 3L))));
    decision = arbiter.reconfigureOnFault(hsids, new FaultMessage(0, 2));
    verify(mbox, never()).deliverFront(any(VoltMessage.class));
    verify(mbox, times(2)).send(any(long[].class), any(VoltMessage.class));
    verify(mbox, times(2)).send(any(long[].class), argThat(siteFailureIs(sfmFailed(1, 2), sfmSurvived(0, 3))));
    assertEquals(decision, ImmutableMap.<Long, Long>of(1L, 11L, 2L, 22L));
}

Example 2 with Subject

use of org.voltcore.messaging.Subject in project voltdb by VoltDB.

the class TestMeshArbiter method testMixOfWitnessedAndNon.

@Test
public void testMixOfWitnessedAndNon() throws Exception {
    Maker<SiteFailureMessage> um = a(SiteFailureMessage, with(sfmSurvivors, Longs.asList(0, 2, 3)), with(sfmFailures, sfmFailed(1)), with(sfmSafeTxns, sfmSafe(0, 10, 1, 11, 2, 22, 3, 33)));
    when(aide.getNewestSafeTransactionForInitiator(1L)).thenReturn(11L);
    when(mbox.recvBlocking(any(Subject[].class), eq(5L))).thenReturn(make(um.but(with(sfmSource, 2L)))).thenReturn(new FaultMessage(0, 1));
    Map<Long, Long> decision = arbiter.reconfigureOnFault(hsids, new FaultMessage(2, 1, ImmutableSet.of(0L, 2L, 3L)));
    verify(mbox, times(1)).deliverFront(any(VoltMessage.class));
    verify(mbox, times(1)).send(any(long[].class), any(VoltMessage.class));
    verify(mbox).send(any(long[].class), argThat(siteFailureIs(sfmFailed(1), sfmSurvived(0, 1, 2, 3))));
    assertEquals(decision, ImmutableMap.<Long, Long>of());
    reset(mbox);
    when(mbox.recvBlocking(any(Subject[].class), eq(5L))).thenReturn(make(um.but(with(sfmSource, 0L)))).thenReturn(make(um.but(with(sfmSource, 3L))));
    decision = arbiter.reconfigureOnFault(hsids, new FaultMessage(0, 1));
    verify(mbox, never()).deliverFront(any(VoltMessage.class));
    verify(mbox, times(2)).send(any(long[].class), argThat(siteFailureIs(sfmFailed(1), sfmSurvived(0, 2, 3))));
    assertEquals(decision, ImmutableMap.<Long, Long>of(1L, 11L));
}

Example 3 with Subject

use of org.voltcore.messaging.Subject in project voltdb by VoltDB.

the class MiniMailbox method recvBlocking.

@Override
public synchronized VoltMessage recvBlocking(Subject[] subjects) {
    VoltMessage message = null;
    while (message == null) {
        for (Subject s : subjects) {
            final Deque<VoltMessage> dq = m_messages.get(s.getId());
            message = dq.poll();
            if (message != null) {
                return message;
            }
        }
        try {
            this.wait();
        } catch (InterruptedException e) {
            return null;
        }
    }
    return null;
}

Example 4 with Subject

use of org.voltcore.messaging.Subject in project voltdb by VoltDB.

the class MiniMailbox method recv.

@Override
public synchronized VoltMessage recv(Subject[] subjects) {
    for (Subject s : subjects) {
        final Deque<VoltMessage> dq = m_messages.get(s.getId());
        assert (dq != null);
        VoltMessage m = dq.poll();
        if (m != null) {
            return m;
        }
    }
    return null;
}

Example 5 with Subject

use of org.voltcore.messaging.Subject in project voltdb by VoltDB.

the class MiniMailbox method recvBlocking.

@Override
public synchronized VoltMessage recvBlocking(Subject[] subjects, long timeout) {
    VoltMessage message = null;
    for (Subject s : subjects) {
        final Deque<VoltMessage> dq = m_messages.get(s.getId());
        message = dq.poll();
        if (message != null) {
            return message;
        }
    }
    try {
        this.wait(timeout);
    } catch (InterruptedException e) {
        return null;
    }
    for (Subject s : subjects) {
        final Deque<VoltMessage> dq = m_messages.get(s.getId());
        message = dq.poll();
        if (message != null) {
            return message;
        }
    }
    return null;
}