@Override protected void addNotification(ChangeNotification<InstanceInfo> notification) { String id = notification.getData().getId(); ChangeNotification<InstanceInfo> current = notificationMap.get(id); ChangeNotification<InstanceInfo> updated = processNext(current, notification); if (updated != null) { notificationMap.put(id, updated); } else if (current != null) { notificationMap.remove(id); } }
/** * Return an observable of all matching InstanceInfo for the current registry snapshot, * as {@link ChangeNotification}s * @param interest * @return an observable of all matching InstanceInfo for the current registry snapshot, * as {@link ChangeNotification}s */ @Override public Observable<ChangeNotification<InstanceInfo>> forInterest(Interest<InstanceInfo> interest) { try { // TODO: this method can be run concurrently from different channels, unless we run everything on single server event loop. // It is possible that the same instance info will be both in snapshot and paused notification queue. notificationSubject.pause(); // Pause notifications till we get a snapshot of current registry (registry.values()) if (interest instanceof MultipleInterests) { return indexRegistry.forCompositeInterest((MultipleInterests) interest, this); } else { return indexRegistry.forInterest(interest, notificationSubject, new InstanceInfoInitStateHolder(getSnapshotForInterest(interest))); } } finally { notificationSubject.resume(); } }
/** * Return an observable of all matching InstanceInfo for the current registry snapshot, * as {@link ChangeNotification}s * @param interest * @return an observable of all matching InstanceInfo for the current registry snapshot, * as {@link ChangeNotification}s */ @Override public Observable<ChangeNotification<InstanceInfo>> forInterest(Interest<InstanceInfo> interest) { try { // TODO: this method can be run concurrently from different channels, unless we run everything on single server event loop. notificationSubject.pause(); // Pause notifications till we get a snapshot of current registry (registry.values()) if (interest instanceof MultipleInterests) { return indexRegistry.forCompositeInterest((MultipleInterests) interest, this); } else { return indexRegistry.forInterest(interest, notificationSubject, new InstanceInfoInitStateHolder(getSnapshotForInterest(interest))); } } finally { notificationSubject.resume(); } }
/** * Return an observable of all matching InstanceInfo for the current registry snapshot, * as {@link ChangeNotification}s * @param interest * @return an observable of all matching InstanceInfo for the current registry snapshot, * as {@link ChangeNotification}s */ @Override public Observable<ChangeNotification<InstanceInfo>> forInterest(Interest<InstanceInfo> interest) { try { // TODO: this method can be run concurrently from different channels, unless we run everything on single server event loop. // It is possible that the same instanceinfo will be both in snapshot and paused notification queue. pauseableSubject.pause(); // Pause notifications till we get a snapshot of current registry (registry.values()) if (interest instanceof MultipleInterests) { return indexRegistry.forCompositeInterest((MultipleInterests) interest, this); } else { return indexRegistry.forInterest(interest, pauseableSubject, new InstanceInfoInitStateHolder(getSnapshotForInterest(interest), interest)); } } finally { pauseableSubject.resume(); } }