Examples with Slave org.neo4j.kernel.ha.com.master.Slave used on opensource projects

Example 11 with Slave

use of org.neo4j.kernel.ha.com.master.Slave in project neo4j by neo4j.

the class TestMasterCommittingAtSlave method commitFailureAtFirstOneShouldMoveOnToNext.

@Test
public void commitFailureAtFirstOneShouldMoveOnToNext() throws Exception {
    TransactionPropagator propagator = newPropagator(3, 1, givenOrder(), true);
    propagator.committed(2, MasterServerId);
    Iterator<Slave> slaveIt = slaves.iterator();
    assertCalls((FakeSlave) slaveIt.next());
    assertCalls((FakeSlave) slaveIt.next(), 2);
    logProvider.assertNone(communicationLogMessage);
}

Example 12 with Slave

use of org.neo4j.kernel.ha.com.master.Slave in project neo4j by neo4j.

the class HighAvailabilitySlavesTest method shouldReturnAvailableAndAliveSlaves.

@Test
public void shouldReturnAvailableAndAliveSlaves() {
    // given
    Cluster cluster = mock(Cluster.class);
    ClusterMembers clusterMembers = mock(ClusterMembers.class);
    when(clusterMembers.getAliveMembers()).thenReturn(Iterables.option(new ClusterMember(INSTANCE_ID).availableAs(SLAVE, HA_URI, StoreId.DEFAULT)));
    SlaveFactory slaveFactory = mock(SlaveFactory.class);
    when(slaveFactory.newSlave(any(LifeSupport.class), any(ClusterMember.class), any(String.class), any(Integer.class))).thenReturn(mock(Slave.class));
    HighAvailabilitySlaves slaves = new HighAvailabilitySlaves(clusterMembers, cluster, slaveFactory, new HostnamePort(null, 0));
    slaves.init();
    // when
    Iterable<Slave> memberSlaves = slaves.getSlaves();
    // then
    assertThat(count(memberSlaves), equalTo(1L));
}

Example 13 with Slave

use of org.neo4j.kernel.ha.com.master.Slave in project neo4j by neo4j.

the class HighAvailabilitySlavesTest method shouldClearSlavesWhenNewMasterElected.

@Test
public void shouldClearSlavesWhenNewMasterElected() {
    // given
    Cluster cluster = mock(Cluster.class);
    ClusterMembers clusterMembers = mock(ClusterMembers.class);
    when(clusterMembers.getAliveMembers()).thenReturn(Iterables.option(new ClusterMember(INSTANCE_ID).availableAs(SLAVE, HA_URI, StoreId.DEFAULT)));
    SlaveFactory slaveFactory = mock(SlaveFactory.class);
    when(slaveFactory.newSlave(any(LifeSupport.class), any(ClusterMember.class), any(String.class), any(Integer.class))).thenReturn(mock(Slave.class), mock(Slave.class));
    HighAvailabilitySlaves slaves = new HighAvailabilitySlaves(clusterMembers, cluster, slaveFactory, new HostnamePort(null, 0));
    slaves.init();
    ArgumentCaptor<ClusterListener> listener = ArgumentCaptor.forClass(ClusterListener.class);
    verify(cluster).addClusterListener(listener.capture());
    // when
    Slave slave1 = slaves.getSlaves().iterator().next();
    listener.getValue().elected(ClusterConfiguration.COORDINATOR, INSTANCE_ID, CLUSTER_URI);
    Slave slave2 = slaves.getSlaves().iterator().next();
    // then
    assertThat(slave2, not(sameInstance(slave1)));
}

Example 14 with Slave

use of org.neo4j.kernel.ha.com.master.Slave in project neo4j by neo4j.

the class HighAvailabilitySlavesTest method shouldNotReturnUnavailableSlaves.

@Test
public void shouldNotReturnUnavailableSlaves() {
    // given
    Cluster cluster = mock(Cluster.class);
    ClusterMembers clusterMembers = mock(ClusterMembers.class);
    when(clusterMembers.getAliveMembers()).thenReturn(Iterables.option(new ClusterMember(INSTANCE_ID)));
    SlaveFactory slaveFactory = mock(SlaveFactory.class);
    HighAvailabilitySlaves slaves = new HighAvailabilitySlaves(clusterMembers, cluster, slaveFactory, new HostnamePort(null, 0));
    slaves.init();
    // when
    Iterable<Slave> memberSlaves = slaves.getSlaves();
    // then
    assertThat(count(memberSlaves), equalTo(0L));
}

Example 15 with Slave

use of org.neo4j.kernel.ha.com.master.Slave in project neo4j by neo4j.

the class CommitPusher method askSlaveToPullUpdates.

private void askSlaveToPullUpdates(PullUpdateFuture pullUpdateFuture) {
    Slave slave = pullUpdateFuture.getSlave();
    long lastTxId = pullUpdateFuture.getTxId();
    try (Response<Void> ignored = slave.pullUpdates(lastTxId)) {
    // Slave will come back to me(master) and pull updates
    }
}