Examples with LockWatchEvent com.palantir.lock.watch.LockWatchEvent used on opensource projects

Example 16 with LockWatchEvent

use of com.palantir.lock.watch.LockWatchEvent in project atlasdb by palantir.

the class LockWatchingServiceImplTest method rowRangeWatchTest.

@Test
public void rowRangeWatchTest() {
    byte[] startOfRange = PtBytes.toBytes("aaz");
    byte[] endOfRange = PtBytes.toBytes("cca");
    LockDescriptor cellInRange = AtlasCellLockDescriptor.of(TABLE.getQualifiedName(), startOfRange, ROW);
    LockDescriptor cellOutOfRange = AtlasCellLockDescriptor.of(TABLE.getQualifiedName(), endOfRange, ROW);
    LockDescriptor rowInRange = AtlasRowLockDescriptor.of(TABLE.getQualifiedName(), PtBytes.toBytes("b"));
    LockDescriptor rowInRange2 = AtlasRowLockDescriptor.of(TABLE.getQualifiedName(), PtBytes.toBytes("cc"));
    LockDescriptor rowOutOfRange = AtlasRowLockDescriptor.of(TABLE.getQualifiedName(), PtBytes.toBytes("cca"));
    LockWatchRequest rangeRequest = LockWatchRequest.of(ImmutableSet.of(LockWatchReferenceUtils.rowRange(TABLE, startOfRange, endOfRange)));
    lockWatcher.startWatching(rangeRequest);
    ImmutableSet<LockDescriptor> locks = ImmutableSet.of(cellInRange, cellOutOfRange, rowInRange, rowInRange2, rowOutOfRange);
    lockWatcher.registerLock(locks, TOKEN);
    List<LockWatchEvent> expectedEvents = ImmutableList.of(createdEvent(rangeRequest.getReferences(), ImmutableSet.of()), lockEvent(ImmutableSet.of(cellInRange, rowInRange, rowInRange2)));
    assertLoggedEvents(expectedEvents);
}

Example 17 with LockWatchEvent

use of com.palantir.lock.watch.LockWatchEvent in project atlasdb by palantir.

the class LockWatchingServiceImplTest method onlyAlreadyWatchedRangesAreIgnoredOnRegistration.

@Test
public void onlyAlreadyWatchedRangesAreIgnoredOnRegistration() {
    LockWatchRequest request = tableRequest();
    lockWatcher.startWatching(request);
    LockWatchReference newWatch = LockWatchReferenceUtils.entireTable(TABLE_2);
    LockWatchRequest prefixAndOtherTableRequest = LockWatchRequest.of(ImmutableSet.of(LockWatchReferenceUtils.rowPrefix(TABLE, ROW), newWatch));
    lockWatcher.startWatching(prefixAndOtherTableRequest);
    List<LockWatchEvent> expectedEvents = ImmutableList.of(createdEvent(request.getReferences(), ImmutableSet.of(ROW_DESCRIPTOR)), createdEvent(ImmutableSet.of(newWatch), ImmutableSet.of(descriptorForOtherTable())));
    assertLoggedEvents(expectedEvents);
}

Example 18 with LockWatchEvent

use of com.palantir.lock.watch.LockWatchEvent in project atlasdb by palantir.

the class LockWatchingServiceImplTest method rowPrefixWatchMatchesSuffixes.

@Test
public void rowPrefixWatchMatchesSuffixes() {
    byte[] rowPrefix = PtBytes.toBytes("ro");
    LockDescriptor notPrefixDescriptor = AtlasRowLockDescriptor.of(TABLE.getQualifiedName(), PtBytes.toBytes("r"));
    LockWatchRequest prefixRequest = prefixRequest(rowPrefix);
    lockWatcher.startWatching(prefixRequest);
    ImmutableSet<LockDescriptor> locks = ImmutableSet.of(CELL_DESCRIPTOR, ROW_DESCRIPTOR, notPrefixDescriptor);
    lockWatcher.registerLock(locks, TOKEN);
    List<LockWatchEvent> expectedEvents = ImmutableList.of(createdEvent(prefixRequest.getReferences(), ImmutableSet.of(ROW_DESCRIPTOR)), lockEvent(ImmutableSet.of(CELL_DESCRIPTOR, ROW_DESCRIPTOR)));
    assertLoggedEvents(expectedEvents);
}

Example 19 with LockWatchEvent

use of com.palantir.lock.watch.LockWatchEvent in project atlasdb by palantir.

the class LockWatchEventCacheIntegrationTest method newEventsStartingWithTheSameVersionAsCurrentDoesNotThrow.

@Test
public void newEventsStartingWithTheSameVersionAsCurrentDoesNotThrow() {
    setupInitialState();
    LockWatchEvent earlyLockEvent = LockWatchCreatedEvent.builder(ImmutableSet.of(REFERENCE), ImmutableSet.of(DESCRIPTOR)).build(3L);
    LockWatchStateUpdate success = LockWatchStateUpdate.success(LEADER, 4L, ImmutableList.of(earlyLockEvent, WATCH_EVENT));
    assertThatCode(() -> eventCache.processStartTransactionsUpdate(TIMESTAMPS_2, success)).doesNotThrowAnyException();
}

Example 20 with LockWatchEvent

use of com.palantir.lock.watch.LockWatchEvent in project atlasdb by palantir.

the class LockWatchEventCacheIntegrationTest method veryOldSuccessfulUpdateThrowsRetriableException.

@Test
public void veryOldSuccessfulUpdateThrowsRetriableException() {
    setupInitialState();
    Set<Long> secondTimestamps = ImmutableSet.of(11L, 12L);
    LockWatchEvent earlyEvent = LockEvent.builder(ImmutableSet.of(DESCRIPTOR_3), COMMIT_TOKEN).build(2L);
    assertThatThrownBy(() -> eventCache.processStartTransactionsUpdate(secondTimestamps, LockWatchStateUpdate.success(LEADER, 2L, ImmutableList.of(earlyEvent)))).isExactlyInstanceOf(TransactionLockWatchFailedException.class).hasMessage("Cannot process events before the oldest event. The transaction should be retried, " + "although this should only happen very rarely.");
}