Examples with Configuration org.neo4j.kernel.ha.transaction.TransactionPropagator.Configuration used on opensource projects

Example 1 with Configuration

use of org.neo4j.kernel.ha.transaction.TransactionPropagator.Configuration in project neo4j by neo4j.

the class TransactionPropagatorTest method shouldPrioritizeDescendingIfAsked.

@Test
public void shouldPrioritizeDescendingIfAsked() throws Exception {
    // GIVEN
    Configuration propagator = TransactionPropagator.from(Config.embeddedDefaults(stringMap(tx_push_strategy.name(), fixed_descending.name())));
    SlavePriority strategy = propagator.getReplicationStrategy();
    // WHEN
    Iterable<Slave> prioritize = strategy.prioritize(asList(slave(1), slave(0), slave(2)));
    // THEN
    assertThat(Iterables.asList(prioritize), equalTo(asList(slave(2), slave(1), slave(0))));
}

Example 2 with Configuration

use of org.neo4j.kernel.ha.transaction.TransactionPropagator.Configuration in project neo4j by neo4j.

the class TransactionPropagatorTest method shouldPrioritizeAscendingIfAsked.

@Test
public void shouldPrioritizeAscendingIfAsked() throws Exception {
    // GIVEN
    Configuration propagator = TransactionPropagator.from(Config.embeddedDefaults(stringMap(tx_push_strategy.name(), fixed_ascending.name())));
    SlavePriority strategy = propagator.getReplicationStrategy();
    // WHEN
    Iterable<Slave> prioritize = strategy.prioritize(asList(slave(1), slave(0), slave(2)));
    // THEN
    assertThat(Iterables.asList(prioritize), equalTo(asList(slave(0), slave(1), slave(2))));
}

Example 3 with Configuration

use of org.neo4j.kernel.ha.transaction.TransactionPropagator.Configuration in project neo4j by neo4j.

the class TransactionPropagatorTest method shouldCapUndesiredSlaveCountPushLogging.

@Test
public void shouldCapUndesiredSlaveCountPushLogging() throws Exception {
    // GIVEN
    int serverId = 1;
    final InstanceId instanceId = new InstanceId(serverId);
    Configuration config = new Configuration() {

        @Override
        public int getTxPushFactor() {
            return 1;
        }

        @Override
        public InstanceId getServerId() {
            return instanceId;
        }

        @Override
        public SlavePriority getReplicationStrategy() {
            return SlavePriorities.fixedDescending();
        }
    };
    Log logger = mock(Log.class);
    Slaves slaves = mock(Slaves.class);
    when(slaves.getSlaves()).thenReturn(Collections.<Slave>emptyList());
    CommitPusher pusher = mock(CommitPusher.class);
    TransactionPropagator propagator = life.add(new TransactionPropagator(config, logger, slaves, pusher));
    // WHEN
    for (int i = 0; i < 10; i++) {
        propagator.committed(TransactionIdStore.BASE_TX_ID, serverId);
    }
    // THEN
    verify(logger, times(1)).info(anyString());
}