Examples with MemberId org.neo4j.causalclustering.identity.MemberId used on opensource projects

Example 16 with MemberId

use of org.neo4j.causalclustering.identity.MemberId in project neo4j by neo4j.

the class ReadReplicaTopologyTest method shouldDetectRemovedMembers.

@Test
public void shouldDetectRemovedMembers() throws Exception {
    // given
    UUID one = UUID.randomUUID();
    UUID two = UUID.randomUUID();
    Map<MemberId, ReadReplicaInfo> initialMembers = new HashMap<>();
    initialMembers.put(new MemberId(one), mock(ReadReplicaInfo.class));
    initialMembers.put(new MemberId(two), mock(ReadReplicaInfo.class));
    Map<MemberId, ReadReplicaInfo> newMembers = new HashMap<>();
    newMembers.put(new MemberId(two), mock(ReadReplicaInfo.class));
    ReadReplicaTopology topology = new ReadReplicaTopology(initialMembers);
    // when
    TopologyDifference diff = topology.difference(new ReadReplicaTopology(newMembers));
    // then
    assertThat(diff.added().size(), Matchers.equalTo(0));
    assertThat(diff.removed().size(), Matchers.equalTo(1));
}

Example 17 with MemberId

use of org.neo4j.causalclustering.identity.MemberId in project neo4j by neo4j.

the class ReadReplicaTopologyTest method shouldDetectAddedAndRemovedMembers.

@Test
public void shouldDetectAddedAndRemovedMembers() throws Exception {
    // given
    Map<MemberId, ReadReplicaInfo> initialMembers = new HashMap<>();
    initialMembers.put(new MemberId(UUID.randomUUID()), mock(ReadReplicaInfo.class));
    initialMembers.put(new MemberId(UUID.randomUUID()), mock(ReadReplicaInfo.class));
    Map<MemberId, ReadReplicaInfo> newMembers = new HashMap<>();
    newMembers.put(new MemberId(UUID.randomUUID()), mock(ReadReplicaInfo.class));
    newMembers.put(new MemberId(UUID.randomUUID()), mock(ReadReplicaInfo.class));
    ReadReplicaTopology topology = new ReadReplicaTopology(initialMembers);
    // when
    TopologyDifference diff = topology.difference(new ReadReplicaTopology(newMembers));
    // then
    assertThat(diff.added().size(), Matchers.equalTo(2));
    assertThat(diff.removed().size(), Matchers.equalTo(2));
}

Example 18 with MemberId

use of org.neo4j.causalclustering.identity.MemberId in project neo4j by neo4j.

the class ReadReplicaTopologyTest method shouldDetectAddedMembers.

@Test
public void shouldDetectAddedMembers() throws Exception {
    // given
    UUID one = UUID.randomUUID();
    UUID two = UUID.randomUUID();
    Map<MemberId, ReadReplicaInfo> initialMembers = new HashMap<>();
    initialMembers.put(new MemberId(one), mock(ReadReplicaInfo.class));
    initialMembers.put(new MemberId(two), mock(ReadReplicaInfo.class));
    Map<MemberId, ReadReplicaInfo> newMembers = new HashMap<>();
    newMembers.put(new MemberId(one), mock(ReadReplicaInfo.class));
    newMembers.put(new MemberId(two), mock(ReadReplicaInfo.class));
    newMembers.put(new MemberId(UUID.randomUUID()), mock(ReadReplicaInfo.class));
    ReadReplicaTopology topology = new ReadReplicaTopology(initialMembers);
    // when
    TopologyDifference diff = topology.difference(new ReadReplicaTopology(newMembers));
    // then
    assertThat(diff.added().size(), Matchers.equalTo(1));
    assertThat(diff.removed().size(), Matchers.equalTo(0));
}

Example 19 with MemberId

use of org.neo4j.causalclustering.identity.MemberId in project neo4j by neo4j.

the class ReadReplicaTopologyTest method identicalTopologiesShouldHaveNoDifference.

@Test
public void identicalTopologiesShouldHaveNoDifference() throws Exception {
    // given
    UUID one = UUID.randomUUID();
    UUID two = UUID.randomUUID();
    Map<MemberId, ReadReplicaInfo> readReplicaMembers = new HashMap<>();
    readReplicaMembers.put(new MemberId(one), mock(ReadReplicaInfo.class));
    readReplicaMembers.put(new MemberId(two), mock(ReadReplicaInfo.class));
    ReadReplicaTopology topology = new ReadReplicaTopology(readReplicaMembers);
    // when
    TopologyDifference diff = topology.difference(topology);
    // then
    assertThat(diff.added().size(), Matchers.equalTo(0));
    assertThat(diff.removed().size(), Matchers.equalTo(0));
}

Example 20 with MemberId

use of org.neo4j.causalclustering.identity.MemberId in project neo4j by neo4j.

the class CatchupPollingProcess method pullTransactions.

private void pullTransactions() {
    MemberId upstream;
    try {
        upstream = selectionStrategyPipeline.bestUpstreamDatabase();
    } catch (UpstreamDatabaseSelectionException e) {
        log.warn("Could not find upstream database from which to pull.", e);
        return;
    }
    StoreId localStoreId = localDatabase.storeId();
    boolean moreToPull = true;
    int batchCount = 1;
    while (moreToPull) {
        moreToPull = pullAndApplyBatchOfTransactions(upstream, localStoreId, batchCount);
        batchCount++;
    }
}