net.killa.kept.CountDownOnConnectWatcher.java Source code

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Here is the source code for net.killa.kept.CountDownOnConnectWatcher.java

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/*
 * 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(CountDownLatch latch) {
        this.latch = latch;
    }

    @Override
    public void process(WatchedEvent event) {
        if (event.getState() == KeeperState.SyncConnected)
            this.latch.countDown();
    }
}