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

Example 1 with LockWatchReference

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

the class LockWatchManagerImpl method create.

public static LockWatchManagerInternal create(MetricsManager metricsManager, Set<Schema> schemas, LockWatchStarter lockWatchingService, LockWatchCachingConfig config) {
    Set<LockWatchReference> referencesFromSchema = schemas.stream().map(Schema::getLockWatches).flatMap(Set::stream).collect(Collectors.toSet());
    Set<TableReference> watchedTablesFromSchema = referencesFromSchema.stream().map(schema -> schema.accept(LockWatchReferencesVisitor.INSTANCE)).collect(Collectors.toSet());
    CacheMetrics metrics = CacheMetrics.create(metricsManager);
    LockWatchEventCache eventCache = LockWatchEventCacheImpl.create(metrics);
    LockWatchValueScopingCache valueCache = LockWatchValueScopingCacheImpl.create(eventCache, metrics, config.cacheSize(), config.validationProbability(), watchedTablesFromSchema);
    return new LockWatchManagerImpl(referencesFromSchema, eventCache, valueCache, lockWatchingService);
}

Example 2 with LockWatchReference

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

the class LockEventLogImplTest method noKnownVersionReturnsSnapshotContainingCurrentMatchingLocks.

@Test
public void noKnownVersionReturnsSnapshotContainingCurrentMatchingLocks() {
    LockWatchReference entireTable = LockWatchReferenceUtils.entireTable(TABLE_REF);
    lockWatches.set(createWatchesFor(entireTable));
    LockWatchStateUpdate update = log.getLogDiff(Optional.empty());
    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 3 with LockWatchReference

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

the class LockEventLogImplTest method snapshotIgnoresPreviousLogEntriesInLocksCalculation.

@Test
public void snapshotIgnoresPreviousLogEntriesInLocksCalculation() {
    LockWatchReference entireTable = LockWatchReferenceUtils.entireTable(TABLE_REF);
    lockWatches.set(createWatchesFor(entireTable));
    log.logLock(ImmutableSet.of(DESCRIPTOR), TOKEN);
    LockWatchStateUpdate update = log.getLogDiff(Optional.empty());
    LockWatchStateUpdate.Snapshot snapshot = UpdateVisitors.assertSnapshot(update);
    assertThat(snapshot.lastKnownVersion()).isEqualTo(0L);
    assertThat(snapshot.locked()).containsExactlyInAnyOrder(DESCRIPTOR_2, DESCRIPTOR_3);
    assertThat(snapshot.lockWatches()).containsExactly(entireTable);
}

Example 4 with LockWatchReference

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

the class LockEventLogImplTest method createLockWatchUpdateTest.

@Test
public void createLockWatchUpdateTest() {
    LockWatchReference secondRowReference = LockWatchReferenceUtils.rowPrefix(TABLE_REF, PtBytes.toBytes("2"));
    LockWatches newWatches = createWatchesFor(secondRowReference);
    log.logLockWatchCreated(newWatches);
    LockWatchStateUpdate update = log.getLogDiff(NEGATIVE_VERSION_CURRENT_LOG_ID);
    LockWatchStateUpdate.Success success = UpdateVisitors.assertSuccess(update);
    assertThat(success.events()).containsExactly(LockWatchCreatedEvent.builder(newWatches.references(), ImmutableSet.of(DESCRIPTOR_2)).build(0L));
}

Example 5 with LockWatchReference

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

the class LockEventLogImplTest method requestWithStaleLogIdReturnsSnapshot.

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