| /** |
| * 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.camel.component.zookeeper; |
| |
| import org.apache.zookeeper.ZooKeeper; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * <code>ZookeeperConnectionManager</code> is a simple class to manage |
| * {@link ZooKeeper} connections. |
| */ |
| public class ZooKeeperConnectionManager { |
| |
| private static final Logger LOG = LoggerFactory.getLogger(ZooKeeperConnectionManager.class); |
| |
| private ZookeeperConnectionStrategy strategy; |
| |
| public ZooKeeperConnectionManager(ZooKeeperEndpoint endpoint) { |
| strategy = new DefaultZookeeperConnectionStrategy(endpoint); |
| } |
| |
| public ZooKeeper getConnection() { |
| return strategy.getConnection().getZooKeeper(); |
| } |
| |
| private interface ZookeeperConnectionStrategy { |
| ConnectionHolder getConnection(); |
| |
| void shutdown(); |
| } |
| |
| private class DefaultZookeeperConnectionStrategy implements ZookeeperConnectionStrategy { |
| private ConnectionHolder holder; |
| private ZooKeeperConfiguration configuration; |
| |
| public DefaultZookeeperConnectionStrategy(ZooKeeperEndpoint endpoint) { |
| this.configuration = endpoint.getConfiguration(); |
| LOG.debug("Creating connection to ZooKeeper: {}", configuration); |
| holder = new ConnectionHolder(configuration); |
| } |
| |
| public ConnectionHolder getConnection() { |
| return holder; |
| } |
| |
| public void shutdown() { |
| LOG.debug("Shutting down connection to ZooKeeper: {}", configuration); |
| holder.closeConnection(); |
| } |
| } |
| |
| public void shutdown() { |
| strategy.shutdown(); |
| } |
| |
| } |