RepositoryConnectionListener.java

/*
 * Copyright 2014 the original author or authors.
 *
 * Licensed 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.springframework.xd.dirt.stream.zookeeper;

//import org.apache.curator.framework.CuratorFramework;
//import org.apache.zookeeper.KeeperException;
//
//import org.springframework.xd.dirt.zookeeper.Paths;
//import org.springframework.xd.dirt.zookeeper.ZooKeeperConnectionListener;
//import org.springframework.xd.dirt.zookeeper.ZooKeeperUtils;

/**
 * ZooKeeper connection listener that ensures path creation for
 * nodes required by the various repository implementations that
 * use ZooKeeper.
 *
 * @author Patrick Peralta
 * @author David Turanski
 */
public class RepositoryConnectionListener /*implements ZooKeeperConnectionListener*/ {

	/**
	 * {@inheritDoc}
	 */
//	@Override
//	public void onConnect(CuratorFramework client) {
//		ensurePath(client, Paths.STREAMS);
//		ensurePath(client, Paths.JOBS);
//		ensurePath(client, Paths.STREAM_DEPLOYMENTS);
//		ensurePath(client, Paths.JOB_DEPLOYMENTS);
//	}

	/**
	 * {@inheritDoc}
	 */
//	@Override
//	public void onDisconnect(CuratorFramework client) {
//	}

	/**
	 * Ensure that the given path is created if it doesn't already
	 * exist.
	 *
	 * @param client  curator framework client
	 * @param path    path to create
	 */
//	private void ensurePath(CuratorFramework client, String path) {
//		try {
//			client.create().creatingParentsIfNeeded().forPath(path);
//		}
//		catch (Exception e) {
//			//NodeExistsException -already created
//			ZooKeeperUtils.wrapAndThrowIgnoring(e, KeeperException.NodeExistsException.class);
//		}
//	}

}