Examples with AvailabilityGuard org.neo4j.kernel.AvailabilityGuard used on opensource projects

Example 11 with AvailabilityGuard

use of org.neo4j.kernel.AvailabilityGuard in project neo4j by neo4j.

the class LocalDatabaseTest method availabilityGuardRaisedOnStopForStoreCopy.

@Test
public void availabilityGuardRaisedOnStopForStoreCopy() throws Throwable {
    AvailabilityGuard guard = newAvailabilityGuard();
    assertTrue(guard.isAvailable());
    LocalDatabase localDatabase = newLocalDatabase(guard);
    assertFalse(guard.isAvailable());
    localDatabase.start();
    assertTrue(guard.isAvailable());
    localDatabase.stopForStoreCopy();
    assertDatabaseIsStoppedForStoreCopyAndUnavailable(guard);
}

Example 12 with AvailabilityGuard

use of org.neo4j.kernel.AvailabilityGuard in project neo4j by neo4j.

the class TransactionStateMachineSPITest method throwsWhenTxAwaitDurationExpires.

@Test
public void throwsWhenTxAwaitDurationExpires() throws Exception {
    long lastClosedTransactionId = 100;
    TransactionIdStore txIdStore = fixedTxIdStore(lastClosedTransactionId);
    Duration txAwaitDuration = Duration.ofSeconds(42);
    FakeClock clock = new FakeClock();
    AvailabilityGuard availabilityGuard = spy(new AvailabilityGuard(clock, NullLog.getInstance()));
    when(availabilityGuard.isAvailable()).then(invocation -> {
        boolean available = (boolean) invocation.callRealMethod();
        clock.forward(txAwaitDuration.getSeconds() + 1, SECONDS);
        return available;
    });
    TransactionStateMachineSPI txSpi = createTxSpi(txIdStore, txAwaitDuration, availabilityGuard, clock);
    Future<Void> result = otherThread.execute(state -> {
        txSpi.awaitUpToDate(lastClosedTransactionId + 42);
        return null;
    });
    try {
        result.get(20, SECONDS);
    } catch (Exception e) {
        assertThat(e, instanceOf(ExecutionException.class));
        assertThat(e.getCause(), instanceOf(TransactionFailureException.class));
    }
}

Example 13 with AvailabilityGuard

use of org.neo4j.kernel.AvailabilityGuard in project neo4j by neo4j.

the class LocalDatabaseTest method availabilityGuardRaisedOnCreation.

@Test
public void availabilityGuardRaisedOnCreation() throws Throwable {
    AvailabilityGuard guard = newAvailabilityGuard();
    assertTrue(guard.isAvailable());
    LocalDatabase localDatabase = newLocalDatabase(guard);
    assertNotNull(localDatabase);
    assertDatabaseIsStoppedAndUnavailable(guard);
}

Example 14 with AvailabilityGuard

use of org.neo4j.kernel.AvailabilityGuard in project neo4j by neo4j.

the class LocalDatabaseTest method availabilityGuardDroppedOnStart.

@Test
public void availabilityGuardDroppedOnStart() throws Throwable {
    AvailabilityGuard guard = newAvailabilityGuard();
    assertTrue(guard.isAvailable());
    LocalDatabase localDatabase = newLocalDatabase(guard);
    assertFalse(guard.isAvailable());
    localDatabase.start();
    assertTrue(guard.isAvailable());
}

Example 15 with AvailabilityGuard

use of org.neo4j.kernel.AvailabilityGuard in project neo4j by neo4j.

the class LocalDatabaseTest method availabilityGuardRaisedOnStop.

@Test
public void availabilityGuardRaisedOnStop() throws Throwable {
    AvailabilityGuard guard = newAvailabilityGuard();
    assertTrue(guard.isAvailable());
    LocalDatabase localDatabase = newLocalDatabase(guard);
    assertFalse(guard.isAvailable());
    localDatabase.start();
    assertTrue(guard.isAvailable());
    localDatabase.stop();
    assertDatabaseIsStoppedAndUnavailable(guard);
}