Examples with Monitors org.neo4j.kernel.monitoring.Monitors used on opensource projects

Example 51 with Monitors

use of org.neo4j.kernel.monitoring.Monitors in project neo4j by neo4j.

the class Prover method bootstrapCluster.

private void bootstrapCluster() throws Exception {
    String instance1 = "cluster://localhost:5001";
    String instance2 = "cluster://localhost:5002";
    String instance3 = "cluster://localhost:5003";
    ClusterConfiguration config = new ClusterConfiguration("default", NullLogProvider.getInstance(), instance1, instance2, instance3);
    ClusterState state = new ClusterState(asList(newClusterInstance(new InstanceId(1), new URI(instance1), new Monitors(), config, 10, NullLogProvider.getInstance()), newClusterInstance(new InstanceId(2), new URI(instance2), new Monitors(), config, 10, NullLogProvider.getInstance()), newClusterInstance(new InstanceId(3), new URI(instance3), new Monitors(), config, 10, NullLogProvider.getInstance())), emptySetOf(ClusterAction.class));
    state = state.performAction(new MessageDeliveryAction(Message.to(ClusterMessage.create, new URI(instance3), "defaultcluster").setHeader(Message.CONVERSATION_ID, "-1").setHeader(Message.FROM, instance3)));
    state = state.performAction(new MessageDeliveryAction(Message.to(ClusterMessage.join, new URI(instance2), new Object[] { "defaultcluster", new URI[] { new URI(instance3) } }).setHeader(Message.CONVERSATION_ID, "-1").setHeader(Message.FROM, instance2)));
    state = state.performAction(new MessageDeliveryAction(Message.to(ClusterMessage.join, new URI(instance1), new Object[] { "defaultcluster", new URI[] { new URI(instance3) } }).setHeader(Message.CONVERSATION_ID, "-1").setHeader(Message.FROM, instance1)));
    state.addPendingActions(new InstanceCrashedAction(instance3));
    unexploredKnownStates.add(state);
    db.newState(state);
}

Example 52 with Monitors

use of org.neo4j.kernel.monitoring.Monitors in project neo4j by neo4j.

the class TestProver method aClusterSnapshotShouldEqualItsOrigin.

@Test
public void aClusterSnapshotShouldEqualItsOrigin() throws Exception {
    // Given
    ClusterConfiguration config = new ClusterConfiguration("default", NullLogProvider.getInstance(), "cluster://localhost:5001", "cluster://localhost:5002", "cluster://localhost:5003");
    ClusterState state = new ClusterState(asList(newClusterInstance(new InstanceId(1), new URI("cluster://localhost:5001"), new Monitors(), config, 10, NullLogProvider.getInstance()), newClusterInstance(new InstanceId(2), new URI("cluster://localhost:5002"), new Monitors(), config, 10, NullLogProvider.getInstance()), newClusterInstance(new InstanceId(3), new URI("cluster://localhost:5003"), new Monitors(), config, 10, NullLogProvider.getInstance())), emptySetOf(ClusterAction.class));
    // When
    ClusterState snapshot = state.snapshot();
    // Then
    assertEquals(state, snapshot);
    assertEquals(state.hashCode(), snapshot.hashCode());
}

Example 53 with Monitors

use of org.neo4j.kernel.monitoring.Monitors in project neo4j by neo4j.

the class TestProver method twoStatesWithSameSetupAndPendingMessagesShouldBeEqual.

@Test
public void twoStatesWithSameSetupAndPendingMessagesShouldBeEqual() throws Exception {
    // Given
    ClusterConfiguration config = new ClusterConfiguration("default", NullLogProvider.getInstance(), "cluster://localhost:5001", "cluster://localhost:5002", "cluster://localhost:5003");
    ClusterState state = new ClusterState(asList(newClusterInstance(new InstanceId(1), new URI("cluster://localhost:5001"), new Monitors(), config, 10, NullLogProvider.getInstance()), newClusterInstance(new InstanceId(2), new URI("cluster://localhost:5002"), new Monitors(), config, 10, NullLogProvider.getInstance()), newClusterInstance(new InstanceId(3), new URI("cluster://localhost:5003"), new Monitors(), config, 10, NullLogProvider.getInstance())), emptySetOf(ClusterAction.class));
    // When
    ClusterState firstState = state.performAction(new MessageDeliveryAction(Message.to(ClusterMessage.join, new URI("cluster://localhost:5002"), new Object[] { "defaultcluster", new URI[] { new URI("cluster://localhost:5003") } }).setHeader(Message.CONVERSATION_ID, "-1").setHeader(Message.FROM, "cluster://localhost:5002")));
    ClusterState secondState = state.performAction(new MessageDeliveryAction(Message.to(ClusterMessage.join, new URI("cluster://localhost:5002"), new Object[] { "defaultcluster", new URI[] { new URI("cluster://localhost:5003") } }).setHeader(Message.CONVERSATION_ID, "-1").setHeader(Message.FROM, "cluster://localhost:5002")));
    // Then
    assertEquals(firstState, secondState);
    assertEquals(firstState.hashCode(), secondState.hashCode());
}

Example 54 with Monitors

use of org.neo4j.kernel.monitoring.Monitors in project neo4j by neo4j.

the class TestBlockLogBuffer method readOnlyOneFullBlock.

@Test
public void readOnlyOneFullBlock() throws Exception {
    byte[] bytes = new byte[256];
    ChannelBuffer wrappedBuffer = ChannelBuffers.wrappedBuffer(bytes);
    wrappedBuffer.resetWriterIndex();
    BlockLogBuffer buffer = new BlockLogBuffer(wrappedBuffer, new Monitors().newMonitor(ByteCounterMonitor.class));
    byte[] bytesValue = new byte[255];
    bytesValue[0] = 1;
    bytesValue[254] = -1;
    buffer.put(bytesValue, bytesValue.length);
    buffer.close();
    ReadableByteChannel reader = new BlockLogReader(wrappedBuffer);
    ByteBuffer verificationBuffer = ByteBuffer.wrap(new byte[1000]);
    reader.read(verificationBuffer);
    verificationBuffer.flip();
    byte[] actualBytes = new byte[bytesValue.length];
    verificationBuffer.get(actualBytes);
    assertThat(actualBytes, new ArrayMatches<byte[]>(bytesValue));
}

Example 55 with Monitors

use of org.neo4j.kernel.monitoring.Monitors in project neo4j by neo4j.

the class TestBlockLogBuffer method canReaderReallyLargeByteArray.

@Test
public void canReaderReallyLargeByteArray() throws Exception {
    byte[] bytes = new byte[650];
    ChannelBuffer wrappedBuffer = ChannelBuffers.wrappedBuffer(bytes);
    wrappedBuffer.resetWriterIndex();
    BlockLogBuffer buffer = new BlockLogBuffer(wrappedBuffer, new Monitors().newMonitor(ByteCounterMonitor.class));
    byte[] bytesValue = new byte[600];
    bytesValue[1] = 1;
    bytesValue[99] = 2;
    bytesValue[199] = 3;
    bytesValue[299] = 4;
    bytesValue[399] = 5;
    bytesValue[499] = 6;
    bytesValue[599] = 7;
    buffer.put(bytesValue, bytesValue.length);
    buffer.close();
    byte[] actual;
    BlockLogReader reader = new BlockLogReader(wrappedBuffer);
    ByteBuffer verificationBuffer = ByteBuffer.wrap(new byte[1000]);
    reader.read(verificationBuffer);
    verificationBuffer.flip();
    actual = new byte[255];
    verificationBuffer.get(actual);
    assertThat(actual, new ArrayMatches<byte[]>(Arrays.copyOfRange(bytesValue, 0, 255)));
    actual = new byte[255];
    verificationBuffer.get(actual);
    assertThat(actual, new ArrayMatches<byte[]>(Arrays.copyOfRange(bytesValue, 255, 510)));
    actual = new byte[90];
    verificationBuffer.get(actual);
    assertThat(actual, new ArrayMatches<byte[]>(Arrays.copyOfRange(bytesValue, 510, 600)));
}