Examples with WhiteboardExecutor org.apache.jackrabbit.oak.spi.whiteboard.WhiteboardExecutor used on opensource projects

Example 1 with WhiteboardExecutor

use of org.apache.jackrabbit.oak.spi.whiteboard.WhiteboardExecutor in project jackrabbit-oak by apache.

the class NodeStateSolrServersObserverService method activate.

@Activate
protected void activate(ComponentContext componentContext) throws Exception {
    boolean enabled = PropertiesUtil.toBoolean(componentContext.getProperties().get(ENABLED), false);
    if (enabled) {
        BundleContext bundleContext = componentContext.getBundleContext();
        Whiteboard whiteboard = new OsgiWhiteboard(bundleContext);
        executor = new WhiteboardExecutor();
        executor.start(whiteboard);
        backgroundObserver = new BackgroundObserver(nodeStateSolrServersObserver, executor, 5);
        regs.add(bundleContext.registerService(Observer.class.getName(), backgroundObserver, null));
    }
}

Example 2 with WhiteboardExecutor

use of org.apache.jackrabbit.oak.spi.whiteboard.WhiteboardExecutor in project jackrabbit-oak by apache.

the class DocumentNodeStoreService method activate.

@Activate
protected void activate(ComponentContext context, Map<String, ?> config) throws Exception {
    closer = Closer.create();
    this.context = context;
    whiteboard = new OsgiWhiteboard(context.getBundleContext());
    executor = new WhiteboardExecutor();
    executor.start(whiteboard);
    maxReplicationLagInSecs = toLong(config.get(PROP_REPLICATION_LAG), DEFAULT_MAX_REPLICATION_LAG);
    customBlobStore = toBoolean(prop(CUSTOM_BLOB_STORE), false);
    documentStoreType = DocumentStoreType.fromString(PropertiesUtil.toString(config.get(PROP_DS_TYPE), "MONGO"));
    registerNodeStoreIfPossible();
}

Example 3 with WhiteboardExecutor

use of org.apache.jackrabbit.oak.spi.whiteboard.WhiteboardExecutor in project jackrabbit-oak by apache.

the class AsyncIndexerService method activate.

@Activate
public void activate(BundleContext bundleContext, Map<String, Object> config) {
    List<AsyncConfig> asyncIndexerConfig = getAsyncConfig(PropertiesUtil.toStringArray(config.get(PROP_ASYNC_CONFIG), new String[0]));
    Whiteboard whiteboard = new OsgiWhiteboard(bundleContext);
    indexRegistration = new IndexMBeanRegistration(whiteboard);
    indexEditorProvider.start(whiteboard);
    executor = new WhiteboardExecutor();
    executor.start(whiteboard);
    long leaseTimeOutMin = PropertiesUtil.toInteger(config.get(PROP_LEASE_TIME_OUT), PROP_LEASE_TIMEOUT_DEFAULT);
    if (!(nodeStore instanceof Clusterable)) {
        leaseTimeOutMin = 0;
        log.info("Detected non clusterable setup. Lease checking would be disabled for async indexing");
    }
    TrackingCorruptIndexHandler corruptIndexHandler = createCorruptIndexHandler(config);
    for (AsyncConfig c : asyncIndexerConfig) {
        AsyncIndexUpdate task = new AsyncIndexUpdate(c.name, nodeStore, indexEditorProvider, statisticsProvider, false);
        task.setCorruptIndexHandler(corruptIndexHandler);
        task.setValidatorProviders(Collections.singletonList(validatorProvider));
        task.setLeaseTimeOut(TimeUnit.MINUTES.toMillis(leaseTimeOutMin));
        indexRegistration.registerAsyncIndexer(task, c.timeIntervalInSecs);
        closer.register(task);
    }
    registerAsyncReindexSupport(whiteboard);
    log.info("Configured async indexers {} ", asyncIndexerConfig);
    log.info("Lease time: {} mins and AsyncIndexUpdate configured with {}", leaseTimeOutMin, validatorProvider.getClass().getName());
}

Example 4 with WhiteboardExecutor

use of org.apache.jackrabbit.oak.spi.whiteboard.WhiteboardExecutor in project jackrabbit-oak by apache.

the class ChangeProcessor method start.

/**
     * Start this change processor
     * @param whiteboard  the whiteboard instance to used for scheduling individual
     *                    runs of this change processor.
     * @throws IllegalStateException if started already
     */
public synchronized void start(Whiteboard whiteboard) {
    checkState(registration == null, "Change processor started already");
    final WhiteboardExecutor executor = new WhiteboardExecutor();
    executor.start(whiteboard);
    final FilteringObserver filteringObserver = createObserver(executor);
    listenerId = COUNTER.incrementAndGet() + "";
    Map<String, String> attrs = ImmutableMap.of(LISTENER_ID, listenerId);
    String name = tracker.toString();
    registration = new CompositeRegistration(whiteboard.register(Observer.class, filteringObserver, emptyMap()), registerMBean(whiteboard, EventListenerMBean.class, tracker.getListenerMBean(), "EventListener", name, attrs), registerMBean(whiteboard, BackgroundObserverMBean.class, filteringObserver.getBackgroundObserver().getMBean(), BackgroundObserverMBean.TYPE, name, attrs), registerMBean(whiteboard, ChangeProcessorMBean.class, getMBean(), ChangeProcessorMBean.TYPE, name, attrs), // re-registered
    registerMBean(whiteboard, FilterConfigMBean.class, filterProvider.get().getConfigMBean(), FilterConfigMBean.TYPE, name, attrs), new Registration() {

        @Override
        public void unregister() {
            filteringObserver.close();
        }
    }, new Registration() {

        @Override
        public void unregister() {
            executor.stop();
        }
    }, scheduleWithFixedDelay(whiteboard, new Runnable() {

        @Override
        public void run() {
            tracker.recordOneSecond();
        }
    }, 1));
}

Example 5 with WhiteboardExecutor

use of org.apache.jackrabbit.oak.spi.whiteboard.WhiteboardExecutor in project jackrabbit-oak by apache.

the class Registrations method registerSegmentStore.

/**
     * Configures and registers a new SegmentNodeStore instance together will
     * all required components. Anything that must be disposed of (like
     * registered services or MBeans) will be registered via the
     * {@code registration} parameter.
     *
     * @param context            An instance of {@link ComponentContext}.
     * @param blobStore          An instance of {@link BlobStore}. It can be
     *                           {@code null}.
     * @param statisticsProvider An instance of {@link StatisticsProvider}.
     * @param closer             An instance of {@link Closer}. It will be used
     *                           to track every registered service or
     *                           component.
     * @param whiteboard         An instance of {@link Whiteboard}. It will be
     *                           used to register services in the OSGi
     *                           framework.
     * @param role               The role of this component. It can be {@code
     *                           null}.
     * @param descriptors        Determines if repository descriptors related to
     *                           discovery services should be registered.
     * @return A configured {@link SegmentNodeStore}, or {@code null} if the
     * setup failed.
     * @throws IOException In case an unrecoverable error occurs.
     */
static SegmentNodeStore registerSegmentStore(@Nonnull ComponentContext context, @Nullable BlobStore blobStore, @Nonnull StatisticsProvider statisticsProvider, @Nonnull Closer closer, @Nonnull Whiteboard whiteboard, @Nullable String role, boolean descriptors) throws IOException {
    Configuration configuration = new Configuration(context, role);
    Closeables closeables = new Closeables(closer);
    Registrations registrations = new Registrations(whiteboard, role);
    // Listen for GCMonitor services
    GCMonitor gcMonitor = GCMonitor.EMPTY;
    if (configuration.isPrimarySegmentStore()) {
        GCMonitorTracker tracker = new GCMonitorTracker();
        tracker.start(whiteboard);
        closeables.add(tracker);
        gcMonitor = tracker;
    }
    // Create the gc options
    if (configuration.getCompactionGainThreshold() != null) {
        log.warn("Detected deprecated flag 'compaction.gainThreshold'. " + "Please use 'compaction.sizeDeltaEstimation' instead and " + "'compaction.disableEstimation' to disable estimation.");
    }
    SegmentGCOptions gcOptions = new SegmentGCOptions(configuration.getPauseCompaction(), configuration.getRetryCount(), configuration.getForceCompactionTimeout()).setRetainedGenerations(configuration.getRetainedGenerations()).setGcSizeDeltaEstimation(configuration.getSizeDeltaEstimation()).setMemoryThreshold(configuration.getMemoryThreshold()).setEstimationDisabled(configuration.getDisableEstimation()).withGCNodeWriteMonitor(configuration.getGCProcessLog());
    // Build the FileStore
    FileStoreBuilder builder = fileStoreBuilder(configuration.getSegmentDirectory()).withSegmentCacheSize(configuration.getSegmentCacheSize()).withStringCacheSize(configuration.getStringCacheSize()).withTemplateCacheSize(configuration.getTemplateCacheSize()).withStringDeduplicationCacheSize(configuration.getStringDeduplicationCacheSize()).withTemplateDeduplicationCacheSize(configuration.getTemplateDeduplicationCacheSize()).withNodeDeduplicationCacheSize(configuration.getNodeDeduplicationCacheSize()).withMaxFileSize(configuration.getMaxFileSize()).withMemoryMapping(configuration.getMemoryMapping()).withGCMonitor(gcMonitor).withIOMonitor(new MetricsIOMonitor(statisticsProvider)).withStatisticsProvider(statisticsProvider).withGCOptions(gcOptions);
    if (configuration.hasCustomBlobStore() && blobStore != null) {
        log.info("Initializing SegmentNodeStore with BlobStore [{}]", blobStore);
        builder.withBlobStore(blobStore);
    }
    if (configuration.isStandbyInstance()) {
        builder.withSnfeListener(IGNORE_SNFE);
    }
    final FileStore store;
    try {
        store = builder.build();
    } catch (InvalidFileStoreVersionException e) {
        log.error("The storage format is not compatible with this version of Oak Segment Tar", e);
        return null;
    }
    // store should be closed last
    closeables.add(store);
    // Listen for Executor services on the whiteboard
    WhiteboardExecutor executor = new WhiteboardExecutor();
    executor.start(whiteboard);
    closeables.add(executor);
    // Expose stats about the segment cache
    CacheStatsMBean segmentCacheStats = store.getSegmentCacheStats();
    closeables.add(registrations.registerMBean(CacheStatsMBean.class, segmentCacheStats, CacheStats.TYPE, segmentCacheStats.getName()));
    // Expose stats about the string and template caches
    CacheStatsMBean stringCacheStats = store.getStringCacheStats();
    closeables.add(registrations.registerMBean(CacheStatsMBean.class, stringCacheStats, CacheStats.TYPE, stringCacheStats.getName()));
    CacheStatsMBean templateCacheStats = store.getTemplateCacheStats();
    closeables.add(registrations.registerMBean(CacheStatsMBean.class, templateCacheStats, CacheStats.TYPE, templateCacheStats.getName()));
    WriterCacheManager cacheManager = builder.getCacheManager();
    CacheStatsMBean stringDeduplicationCacheStats = cacheManager.getStringCacheStats();
    if (stringDeduplicationCacheStats != null) {
        closeables.add(registrations.registerMBean(CacheStatsMBean.class, stringDeduplicationCacheStats, CacheStats.TYPE, stringDeduplicationCacheStats.getName()));
    }
    CacheStatsMBean templateDeduplicationCacheStats = cacheManager.getTemplateCacheStats();
    if (templateDeduplicationCacheStats != null) {
        closeables.add(registrations.registerMBean(CacheStatsMBean.class, templateDeduplicationCacheStats, CacheStats.TYPE, templateDeduplicationCacheStats.getName()));
    }
    CacheStatsMBean nodeDeduplicationCacheStats = cacheManager.getNodeCacheStats();
    if (nodeDeduplicationCacheStats != null) {
        closeables.add(registrations.registerMBean(CacheStatsMBean.class, nodeDeduplicationCacheStats, CacheStats.TYPE, nodeDeduplicationCacheStats.getName()));
    }
    if (configuration.isPrimarySegmentStore()) {
        final FileStoreGCMonitor monitor = new FileStoreGCMonitor(Clock.SIMPLE);
        closeables.add(registrations.register(GCMonitor.class, monitor));
        if (!configuration.isStandbyInstance()) {
            closeables.add(registrations.registerMBean(SegmentRevisionGC.class, new SegmentRevisionGCMBean(store, gcOptions, monitor), SegmentRevisionGC.TYPE, "Segment node store revision garbage collection"));
        }
        Runnable cancelGC = new Runnable() {

            @Override
            public void run() {
                store.cancelGC();
            }
        };
        Supplier<String> statusMessage = new Supplier<String>() {

            @Override
            public String get() {
                return monitor.getStatus();
            }
        };
        closeables.add(registrations.registerMBean(RevisionGCMBean.class, new RevisionGC(store.getGCRunner(), cancelGC, statusMessage, executor), RevisionGCMBean.TYPE, "Revision garbage collection"));
    }
    // Expose statistics about the FileStore
    closeables.add(registrations.registerMBean(FileStoreStatsMBean.class, store.getStats(), FileStoreStatsMBean.TYPE, "FileStore statistics"));
    // register segment node store
    SegmentNodeStore.SegmentNodeStoreBuilder segmentNodeStoreBuilder = SegmentNodeStoreBuilders.builder(store).withStatisticsProvider(statisticsProvider);
    if (configuration.isStandbyInstance() || !configuration.isPrimarySegmentStore()) {
        segmentNodeStoreBuilder.dispatchChanges(false);
    }
    SegmentNodeStore segmentNodeStore = segmentNodeStoreBuilder.build();
    if (configuration.isPrimarySegmentStore()) {
        ObserverTracker observerTracker = new ObserverTracker(segmentNodeStore);
        observerTracker.start(context.getBundleContext());
        closeables.add(observerTracker);
    }
    if (configuration.isPrimarySegmentStore()) {
        closeables.add(registrations.registerMBean(CheckpointMBean.class, new SegmentCheckpointMBean(segmentNodeStore), CheckpointMBean.TYPE, "Segment node store checkpoint management"));
    }
    if (descriptors) {
        // ensure a clusterId is initialized
        // and expose it as 'oak.clusterid' repository descriptor
        GenericDescriptors clusterIdDesc = new GenericDescriptors();
        clusterIdDesc.put(ClusterRepositoryInfo.OAK_CLUSTERID_REPOSITORY_DESCRIPTOR_KEY, new SimpleValueFactory().createValue(getOrCreateId(segmentNodeStore)), true, false);
        closeables.add(registrations.register(Descriptors.class, clusterIdDesc));
        // Register "discovery lite" descriptors
        closeables.add(registrations.register(Descriptors.class, new SegmentDiscoveryLiteDescriptors(segmentNodeStore)));
    }
    // If a shared data store register the repo id in the data store
    if (configuration.isPrimarySegmentStore() && isShared(blobStore)) {
        SharedDataStore sharedDataStore = (SharedDataStore) blobStore;
        try {
            sharedDataStore.addMetadataRecord(new ByteArrayInputStream(new byte[0]), SharedStoreRecordType.REPOSITORY.getNameFromId(getOrCreateId(segmentNodeStore)));
        } catch (Exception e) {
            throw new IOException("Could not register a unique repositoryId", e);
        }
        if (blobStore instanceof BlobTrackingStore) {
            BlobTrackingStore trackingStore = (BlobTrackingStore) blobStore;
            if (trackingStore.getTracker() != null) {
                trackingStore.getTracker().close();
            }
            trackingStore.addTracker(new BlobIdTracker(configuration.getRepositoryHome(), getOrCreateId(segmentNodeStore), configuration.getBlobSnapshotInterval(), sharedDataStore));
        }
    }
    if (configuration.isPrimarySegmentStore() && blobStore instanceof GarbageCollectableBlobStore) {
        BlobGarbageCollector gc = new MarkSweepGarbageCollector(new SegmentBlobReferenceRetriever(store), (GarbageCollectableBlobStore) blobStore, executor, TimeUnit.SECONDS.toMillis(configuration.getBlobGcMaxAge()), getOrCreateId(segmentNodeStore));
        closeables.add(registrations.registerMBean(BlobGCMBean.class, new BlobGC(gc, executor), BlobGCMBean.TYPE, "Segment node store blob garbage collection"));
    }
    // Expose an MBean for backup/restore operations
    closeables.add(registrations.registerMBean(FileStoreBackupRestoreMBean.class, new FileStoreBackupRestoreImpl(segmentNodeStore, store.getRevisions(), store.getReader(), configuration.getBackupDirectory(), executor), FileStoreBackupRestoreMBean.TYPE, "Segment node store backup/restore"));
    // Expose statistics about the SegmentNodeStore
    closeables.add(registrations.registerMBean(SegmentNodeStoreStatsMBean.class, segmentNodeStore.getStats(), SegmentNodeStoreStatsMBean.TYPE, "SegmentNodeStore statistics"));
    if (configuration.isPrimarySegmentStore()) {
        log.info("Primary SegmentNodeStore initialized");
    } else {
        log.info("Secondary SegmentNodeStore initialized, role={}", role);
    }
    // Register a factory service to expose the FileStore
    closeables.add(registrations.register(SegmentStoreProvider.class, new DefaultSegmentStoreProvider(store)));
    if (configuration.isStandbyInstance()) {
        return segmentNodeStore;
    }
    if (configuration.isPrimarySegmentStore()) {
        Map<String, Object> props = new HashMap<String, Object>();
        props.put(Constants.SERVICE_PID, SegmentNodeStore.class.getName());
        props.put("oak.nodestore.description", new String[] { "nodeStoreType=segment" });
        closeables.add(registrations.register(NodeStore.class, segmentNodeStore, props));
    }
    return segmentNodeStore;
}