Examples with NonBlockingManager org.infinispan.util.concurrent.NonBlockingManager used on opensource projects

Example 1 with NonBlockingManager

use of org.infinispan.util.concurrent.NonBlockingManager in project keycloak by keycloak.

the class PersistenceManagerImpl method start.

@Override
@Start
public void start() {
    enabled = configuration.persistence().usingStores();
    if (!enabled)
        return;
    preloaded = false;
    segmentCount = configuration.clustering().hash().numSegments();
    isInvalidationCache = configuration.clustering().cacheMode().isInvalidation();
    long stamp = lock.writeLock();
    try {
        Completable storeStartup = Flowable.fromIterable(configuration.persistence().stores()).concatMapSingle(storeConfiguration -> {
            NonBlockingStore<?, ?> actualStore = storeFromConfiguration(storeConfiguration);
            NonBlockingStore<?, ?> nonBlockingStore;
            if (storeConfiguration.async().enabled()) {
                nonBlockingStore = new AsyncNonBlockingStore<>(actualStore);
            } else {
                nonBlockingStore = actualStore;
            }
            InitializationContextImpl ctx = new InitializationContextImpl(storeConfiguration, cache.wired(), keyPartitioner, persistenceMarshaller, timeService, byteBufferFactory, marshallableEntryFactory, nonBlockingExecutor, globalConfiguration, blockingManager, nonBlockingManager);
            CompletionStage<Void> stage = nonBlockingStore.start(ctx).whenComplete((ignore, t) -> {
                // On exception, just put a status with only the store - this way we can still invoke stop on it later
                if (t != null) {
                    stores.add(new StoreStatus(nonBlockingStore, null, null));
                }
            });
            return Completable.fromCompletionStage(stage).toSingle(() -> new StoreStatus(nonBlockingStore, storeConfiguration, updateCharacteristics(nonBlockingStore, nonBlockingStore.characteristics(), storeConfiguration)));
        }).doOnNext(stores::add).delay(status -> {
            if (status.config.purgeOnStartup()) {
                return Flowable.fromCompletable(Completable.fromCompletionStage(status.store.clear()));
            }
            return Flowable.empty();
        }).ignoreElements();
        long interval = configuration.persistence().availabilityInterval();
        if (interval > 0) {
            storeStartup = storeStartup.doOnComplete(() -> availabilityTask = nonBlockingManager.scheduleWithFixedDelay(this::pollStoreAvailability, interval, interval, MILLISECONDS));
        }
        // Blocks here waiting for stores and availability task to start if needed
        storeStartup.blockingAwait();
        allSegmentedOrShared = allStoresSegmentedOrShared();
    } catch (Throwable t) {
        log.debug("PersistenceManagerImpl encountered an exception during startup of stores", t);
        throw t;
    } finally {
        lock.unlockWrite(stamp);
    }
}