use of org.apache.jackrabbit.oak.api.Descriptors in project jackrabbit-oak by apache.
the class AggregatingDescriptors method getValues.
@CheckForNull
@Override
public Value[] getValues(@Nonnull String key) {
for (Iterator<Descriptors> it = getDescriptors().iterator(); it.hasNext(); ) {
Descriptors descriptors = it.next();
Value[] values = descriptors.getValues(key);
if (values != null) {
return values;
}
}
return null;
}
use of org.apache.jackrabbit.oak.api.Descriptors in project jackrabbit-oak by apache.
the class Oak method createNewContentRepository.
private ContentRepository createNewContentRepository() {
final RepoStateCheckHook repoStateCheckHook = new RepoStateCheckHook();
final List<Registration> regs = Lists.newArrayList();
regs.add(whiteboard.register(Executor.class, getExecutor(), Collections.emptyMap()));
IndexEditorProvider indexEditors = CompositeIndexEditorProvider.compose(indexEditorProviders);
OakInitializer.initialize(store, new CompositeInitializer(initializers), indexEditors);
QueryIndexProvider indexProvider = CompositeQueryIndexProvider.compose(queryIndexProviders);
commitHooks.add(repoStateCheckHook);
List<CommitHook> initHooks = new ArrayList<CommitHook>(commitHooks);
initHooks.add(new EditorHook(CompositeEditorProvider.compose(editorProviders)));
if (asyncTasks != null) {
IndexMBeanRegistration indexRegistration = new IndexMBeanRegistration(whiteboard);
regs.add(indexRegistration);
for (Entry<String, Long> t : asyncTasks.entrySet()) {
AsyncIndexUpdate task = new AsyncIndexUpdate(t.getKey(), store, indexEditors);
indexRegistration.registerAsyncIndexer(task, t.getValue());
closer.register(task);
}
PropertyIndexAsyncReindex asyncPI = new PropertyIndexAsyncReindex(new AsyncIndexUpdate(IndexConstants.ASYNC_REINDEX_VALUE, store, indexEditors, true), getExecutor());
regs.add(registerMBean(whiteboard, PropertyIndexAsyncReindexMBean.class, asyncPI, PropertyIndexAsyncReindexMBean.TYPE, "async"));
}
regs.add(registerMBean(whiteboard, NodeCounterMBean.class, new NodeCounter(store), NodeCounterMBean.TYPE, "nodeCounter"));
regs.add(registerMBean(whiteboard, QueryEngineSettingsMBean.class, queryEngineSettings, QueryEngineSettingsMBean.TYPE, "settings"));
// FIXME: OAK-810 move to proper workspace initialization
// initialize default workspace
Iterable<WorkspaceInitializer> workspaceInitializers = Iterables.transform(securityProvider.getConfigurations(), new Function<SecurityConfiguration, WorkspaceInitializer>() {
@Override
public WorkspaceInitializer apply(SecurityConfiguration sc) {
return sc.getWorkspaceInitializer();
}
});
OakInitializer.initialize(workspaceInitializers, store, defaultWorkspaceName, indexEditors);
// add index hooks later to prevent the OakInitializer to do excessive indexing
with(new IndexUpdateProvider(indexEditors, failOnMissingIndexProvider));
withEditorHook();
// Register observer last to prevent sending events while initialising
for (Observer observer : observers) {
regs.add(whiteboard.register(Observer.class, observer, emptyMap()));
}
RepositoryManager repositoryManager = new RepositoryManager(whiteboard);
regs.add(registerMBean(whiteboard, RepositoryManagementMBean.class, repositoryManager, RepositoryManagementMBean.TYPE, repositoryManager.getName()));
CommitHook composite = CompositeHook.compose(commitHooks);
regs.add(whiteboard.register(CommitHook.class, composite, Collections.emptyMap()));
final Tracker<Descriptors> t = whiteboard.track(Descriptors.class);
return new ContentRepositoryImpl(store, composite, defaultWorkspaceName, queryEngineSettings.unwrap(), indexProvider, securityProvider, new AggregatingDescriptors(t)) {
@Override
public void close() throws IOException {
super.close();
repoStateCheckHook.close();
new CompositeRegistration(regs).unregister();
closer.close();
}
};
}
use of org.apache.jackrabbit.oak.api.Descriptors 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;
}
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