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

Example 41 with Monitors

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

the class ShortestPath method resolveMonitor.

private void resolveMonitor(Node node) {
    if (dataMonitor == null) {
        GraphDatabaseService service = context.databaseService();
        Monitors monitors = ((GraphDatabaseFacade) service).getDependencyResolver().resolveDependency(Monitors.class);
        dataMonitor = monitors.newMonitor(DataMonitor.class);
    }
}

Example 42 with Monitors

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

the class BlockBasedIndexPopulatorTest method shouldFlushTreeOnScanCompleted.

@Test
void shouldFlushTreeOnScanCompleted() throws IndexEntryConflictException, IOException {
    // given
    ThreadSafePeakMemoryTracker memoryTracker = new ThreadSafePeakMemoryTracker();
    ByteBufferFactory bufferFactory = new ByteBufferFactory(UnsafeDirectByteBufferAllocator::new, 100);
    AtomicInteger checkpoints = new AtomicInteger();
    GBPTree.Monitor treeMonitor = new GBPTree.Monitor.Adaptor() {

        @Override
        public void checkpointCompleted() {
            checkpoints.incrementAndGet();
        }
    };
    Monitors monitors = new Monitors(databaseIndexContext.monitors, NullLogProvider.getInstance());
    monitors.addMonitorListener(treeMonitor);
    databaseIndexContext = DatabaseIndexContext.builder(databaseIndexContext).withMonitors(monitors).build();
    BlockBasedIndexPopulator<GenericKey, NativeIndexValue> populator = instantiatePopulator(NO_MONITOR, bufferFactory, memoryTracker);
    try {
        // when
        int numberOfCheckPointsBeforeScanCompleted = checkpoints.get();
        populator.scanCompleted(nullInstance, populationWorkScheduler, NULL);
        // then
        assertEquals(numberOfCheckPointsBeforeScanCompleted + 1, checkpoints.get());
    } finally {
        populator.close(true, NULL);
    }
}

Example 43 with Monitors

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

the class SchemaAcceptanceTest method configure.

@ExtensionCallback
void configure(TestDatabaseManagementServiceBuilder builder) {
    Monitors monitors = new Monitors();
    IndexingService.MonitorAdapter trappingMonitor = new IndexingService.MonitorAdapter() {

        @Override
        public void indexPopulationScanComplete() {
            if (trapPopulation.get()) {
                populationScanFinished.reached();
            }
        }
    };
    monitors.addMonitorListener(trappingMonitor);
    builder.setMonitors(monitors);
}

Example 44 with Monitors

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

the class TokenIndexPopulatorTest method shouldNotRelayMonitorCallsToRegisteredGBPTreeMonitorWithDifferentTag.

@Test
void shouldNotRelayMonitorCallsToRegisteredGBPTreeMonitorWithDifferentTag() throws IOException {
    // Given
    AtomicBoolean checkpointCompletedCall = new AtomicBoolean();
    Monitors monitors = new Monitors();
    monitors.addMonitorListener(getCheckpointCompletedListener(checkpointCompletedCall), "differentTag");
    populator = createPopulator(pageCache, monitors, "tag");
    // When
    populator.create();
    populator.close(true, NULL);
    // Then
    assertFalse(checkpointCompletedCall.get());
}

Example 45 with Monitors

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

the class RelationshipModifierTest method setUp.

@BeforeEach
void setUp() {
    RelationshipGroupGetter relationshipGroupGetter = new RelationshipGroupGetter(idSequence(), CursorContext.NULL);
    PropertyDeleter propertyDeleter = new PropertyDeleter(new PropertyTraverser(CursorContext.NULL), null, null, NullLogProvider.nullLogProvider(), Config.defaults(), CursorContext.NULL, EmptyMemoryTracker.INSTANCE);
    modifier = new RelationshipModifier(relationshipGroupGetter, propertyDeleter, DENSE_THRESHOLD - 1, /*because the trigger happens on > */
    true, CursorContext.NULL, EmptyMemoryTracker.INSTANCE);
    monitors = new Monitors(null, (t, m) -> {
        Exceptions.throwIfUnchecked(t);
        throw new RuntimeException(t);
    });
    locks = new TrackingResourceLocker(random, monitors.newMonitor(TrackingResourceLocker.LockAcquisitionMonitor.class));
    txState = mock(ReadableTransactionState.class);
    store = new MapRecordStore();
    monitors.addMonitorListener(new LockVerificationMonitor(locks, txState, store));
    groupUpdater = new GroupUpdater(store);
}