| /* |
| * 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.aries.transaction; |
| |
| import java.util.Dictionary; |
| import java.util.Hashtable; |
| |
| import org.osgi.framework.BundleActivator; |
| import org.osgi.framework.BundleContext; |
| import org.osgi.framework.Constants; |
| import org.osgi.service.cm.ConfigurationException; |
| import org.osgi.service.cm.ManagedService; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| */ |
| public class Activator implements BundleActivator, ManagedService { |
| |
| public static final String PID = "org.apache.aries.transaction"; |
| |
| private static final Logger log = LoggerFactory.getLogger(PID); |
| |
| private BundleContext bundleContext; |
| private TransactionManagerService manager; |
| |
| public void start(BundleContext bundleContext) throws Exception { |
| this.bundleContext = bundleContext; |
| Hashtable props = new Hashtable(); |
| props.put(Constants.SERVICE_PID, PID); |
| updated(props); |
| bundleContext.registerService(ManagedService.class.getName(), this, props); |
| } |
| |
| public void stop(BundleContext context) throws Exception { |
| deleted(); |
| } |
| |
| public synchronized void updated(Dictionary properties) throws ConfigurationException { |
| if (properties == null) |
| { |
| // Use defaults if there's no configuration for us |
| properties = new Hashtable(); |
| properties.put(Constants.SERVICE_PID, PID); |
| } |
| deleted(); |
| manager = new TransactionManagerService(PID, properties, bundleContext); |
| try { |
| manager.start(); |
| } catch (Exception e) { |
| log.error("Error starting transaction manager", e); |
| } |
| } |
| |
| public synchronized void deleted() { |
| if (manager != null) { |
| try { |
| manager.close(); |
| } catch (Exception e) { |
| log.error("Error stopping transaction manager", e); |
| } finally { |
| manager = null; |
| } |
| } |
| } |
| |
| } |