| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.apache.sling.jcr.oak.server.it; |
| |
| import java.util.Collections; |
| import java.util.HashSet; |
| import java.util.Hashtable; |
| import java.util.Set; |
| |
| import org.osgi.framework.BundleContext; |
| import org.osgi.framework.ServiceRegistration; |
| import org.osgi.service.event.Event; |
| import org.osgi.service.event.EventConstants; |
| import org.osgi.service.event.EventHandler; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** Keep track of OSGi events received on a given topic */ |
| public class ResourceEventListener implements EventHandler { |
| |
| private final Logger log = LoggerFactory.getLogger(getClass()); |
| private final Set<String> paths = new HashSet<String>(); |
| |
| ServiceRegistration<EventHandler> register(BundleContext ctx, String osgiEventTopic) { |
| final Hashtable<String, Object> props = new Hashtable<String, Object>(); |
| props.put(EventConstants.EVENT_TOPIC, osgiEventTopic); |
| return ctx.registerService(EventHandler.class, this, props); |
| } |
| |
| @Override |
| public void handleEvent(Event event) { |
| final String path = (String) event.getProperty("path"); |
| if(path != null) { |
| final int n = paths.size(); |
| synchronized (paths) { |
| if(n % 1000 == 0) { |
| log.info("Got events for {} paths so far, last path={}", n, path); |
| } |
| paths.add(path); |
| } |
| } |
| } |
| |
| void clear() { |
| synchronized (paths) { |
| paths.clear(); |
| } |
| } |
| |
| Set<String> getPaths() { |
| synchronized (paths) { |
| return Collections.unmodifiableSet(paths); |
| } |
| } |
| } |