Examples with LockWatchReference com.palantir.lock.watch.LockWatchReferences.LockWatchReference used on opensource projects

Example 6 with LockWatchReference

use of com.palantir.lock.watch.LockWatchReferences.LockWatchReference in project atlasdb by palantir.

the class LockWatchingServiceImpl method filterNewWatches.

private Optional<LockWatches> filterNewWatches(LockWatchRequest request, LockWatches oldWatches) {
    Set<LockWatchReference> newRefs = new HashSet<>();
    RangeSet<LockDescriptor> newRanges = TreeRangeSet.create();
    for (LockWatchReference singleReference : request.getReferences()) {
        Range<LockDescriptor> referenceAsRange = singleReference.accept(LockWatchReferences.TO_RANGES_VISITOR);
        if (!oldWatches.ranges().encloses(referenceAsRange)) {
            newRefs.add(singleReference);
            newRanges.add(referenceAsRange);
        }
    }
    return newRefs.isEmpty() ? Optional.empty() : Optional.of(ImmutableLockWatches.of(newRefs, newRanges));
}

Example 7 with LockWatchReference

use of com.palantir.lock.watch.LockWatchReferences.LockWatchReference in project atlasdb by palantir.

the class LockEventLogImplTest method requestForTheFutureReturnsSnapshot.

@Test
public void requestForTheFutureReturnsSnapshot() {
    LockWatchReference entireTable = LockWatchReferenceUtils.entireTable(TABLE_REF);
    lockWatches.set(createWatchesFor(entireTable));
    LockWatchStateUpdate update = log.getLogDiff(FUTURE_VERSION_CURRENT_LOG_ID);
    LockWatchStateUpdate.Snapshot snapshot = UpdateVisitors.assertSnapshot(update);
    assertThat(snapshot.lastKnownVersion()).isEqualTo(-1L);
    assertThat(snapshot.locked()).containsExactlyInAnyOrder(DESCRIPTOR_2, DESCRIPTOR_3);
    assertThat(snapshot.lockWatches()).containsExactly(entireTable);
}

Example 8 with LockWatchReference

use of com.palantir.lock.watch.LockWatchReferences.LockWatchReference in project atlasdb by palantir.

the class LockWatchingServiceImplTest method registeringWatchWithOverlappingScopeLogsAlreadyWatchedLocksInScopeAgain.

@Test
public void registeringWatchWithOverlappingScopeLogsAlreadyWatchedLocksInScopeAgain() {
    LockDescriptor ab = AtlasRowLockDescriptor.of(TABLE.getQualifiedName(), PtBytes.toBytes("ab"));
    LockDescriptor bc = AtlasRowLockDescriptor.of(TABLE.getQualifiedName(), PtBytes.toBytes("bc"));
    LockDescriptor cd = AtlasRowLockDescriptor.of(TABLE.getQualifiedName(), PtBytes.toBytes("cd"));
    when(heldLocks.getLocks()).thenReturn(ImmutableList.of(LOCK, new ExclusiveLock(ab), new ExclusiveLock(bc), new ExclusiveLock(cd)));
    LockWatchReference acRange = LockWatchReferenceUtils.rowRange(TABLE, PtBytes.toBytes("a"), PtBytes.toBytes("c"));
    LockWatchReference bdRange = LockWatchReferenceUtils.rowRange(TABLE, PtBytes.toBytes("b"), PtBytes.toBytes("d"));
    lockWatcher.startWatching(LockWatchRequest.of(ImmutableSet.of(acRange)));
    lockWatcher.startWatching(LockWatchRequest.of(ImmutableSet.of(bdRange)));
    List<LockWatchEvent> expectedEvents = ImmutableList.of(createdEvent(ImmutableSet.of(acRange), ImmutableSet.of(ab, bc)), createdEvent(ImmutableSet.of(bdRange), ImmutableSet.of(bc, cd)));
    assertLoggedEvents(expectedEvents);
}

Example 9 with LockWatchReference

use of com.palantir.lock.watch.LockWatchReferences.LockWatchReference 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);
}