Examples with Resource org.neo4j.graphdb.Resource used on opensource projects

Example 1 with Resource

use of org.neo4j.graphdb.Resource in project neo4j by neo4j.

the class StoreCopyCheckPointMutexTest method checkPointShouldBlockStoreCopy.

@Test
public void checkPointShouldBlockStoreCopy() throws Exception {
    // GIVEN
    try (Resource lock = mutex.checkPoint()) {
        // WHEN
        t2.execute(state -> mutex.storeCopy(NO_OP));
        // THEN
        t2.get().waitUntilWaiting(details -> details.isAt(StoreCopyCheckPointMutex.class, "storeCopy"));
    }
}

Example 2 with Resource

use of org.neo4j.graphdb.Resource in project neo4j by neo4j.

the class StoreCopyCheckPointMutexTest method checkPointShouldBlockAnotherCheckPoint.

@Test
public void checkPointShouldBlockAnotherCheckPoint() throws Exception {
    // GIVEN
    try (Resource lock = mutex.checkPoint()) {
        // WHEN
        t2.execute(state -> mutex.checkPoint());
        // THEN
        t2.get().waitUntilWaiting(details -> details.isAt(StoreCopyCheckPointMutex.class, "checkPoint"));
    }
}

Example 3 with Resource

use of org.neo4j.graphdb.Resource in project neo4j by neo4j.

the class StoreCopyCheckPointMutexTest method shouldHandleMultipleConcurrentStoreCopyWhenBeforeActionPerformsCheckPoint.

@Test
public void shouldHandleMultipleConcurrentStoreCopyWhenBeforeActionPerformsCheckPoint() throws Throwable {
    // GIVEN a check-point action which asserts calls to it along the way
    CheckPointingAction checkPointingAction = new CheckPointingAction(mutex);
    for (int i = 0; i < 2; i++) {
        // Start first store-copy and assert that the check-point action is triggered
        Resource firstLock = mutex.storeCopy(checkPointingAction);
        assertNotNull(checkPointingAction.lock);
        // A second store-copy starts while the first is still going
        Resource secondLock = mutex.storeCopy(checkPointingAction);
        // The first store-copy completes
        firstLock.close();
        // A third store-copy starts and completes
        Resource thirdLock = mutex.storeCopy(checkPointingAction);
        thirdLock.close();
        // Second store-copy completes
        secondLock.close();
        checkPointingAction.unlock();
    // Go another round, now that the check-point action has been reset.
    // Next round will assert that the mutex got the counting of store-copy jobs right
    }
}

Example 4 with Resource

use of org.neo4j.graphdb.Resource in project neo4j by neo4j.

the class StoreCopyCheckPointMutexTest method storeCopyShouldBlockCheckPoint.

@Test
public void storeCopyShouldBlockCheckPoint() throws Exception {
    // GIVEN
    try (Resource lock = mutex.storeCopy(NO_OP)) {
        // WHEN
        t2.execute(state -> mutex.checkPoint());
        // THEN
        t2.get().waitUntilWaiting(details -> details.isAt(StoreCopyCheckPointMutex.class, "checkPoint"));
    }
}

Example 5 with Resource

use of org.neo4j.graphdb.Resource in project neo4j by neo4j.

the class TestCommonIterators method iterablesStreamClosesResourceIterator.

@Test
public void iterablesStreamClosesResourceIterator() {
    List<Object> list = Arrays.asList("a", "b", "c", "def");
    Resource resource = mock(Resource.class);
    ResourceIterable<Object> iterable = () -> Iterators.resourceIterator(list.iterator(), resource);
    try (Stream<Object> stream = Iterables.stream(iterable)) {
        assertEquals(list, stream.collect(toList()));
    }
    verify(resource).close();
}