content: /*
   * 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 net.killa.kept;
  
  import java.util.concurrent.CountDownLatch;
  
  import org.apache.zookeeper.WatchedEvent;
  import org.apache.zookeeper.Watcher;
  import org.apache.zookeeper.Watcher.Event.KeeperState;
  
  public class CountDownOnConnectWatcher implements Watcher {
      private CountDownLatch latch;
  
      public CountDownOnConnectWatcher() {
  	// for junit
      }
  
      public void setLatch(final CountDownLatch latch) {
  	this.latch = latch;
      }
  
      @Override
      public void process(final WatchedEvent event) {
  	if (event.getState() == KeeperState.SyncConnected)
  	    this.latch.countDown();
      }
  }
  