TestHammer.java

/**
 * 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.zookeeper.test;

import java.io.IOException;

import org.apache.zookeeper.CreateMode;
import org.apache.zookeeper.ZooKeeper;
import org.apache.zookeeper.AsyncCallback.VoidCallback;
import org.apache.zookeeper.ZooDefs.Ids;

public class TestHammer implements VoidCallback {

    /**
     * @param args
     */
    static int REPS = 50000;
    public static void main(String[] args) {
            long startTime = System.currentTimeMillis();
            ZooKeeper zk = null;
            try {
                zk = new ZooKeeper(args[0], 10000, null);
            } catch (IOException e1) {
                // TODO Auto-generated catch block
                e1.printStackTrace();
                throw new RuntimeException(e1);
            }
            for(int i = 0; i < REPS; i++) {
                try {
                    String name = zk.create("/testFile-", new byte[16], Ids.OPEN_ACL_UNSAFE,
                        CreateMode.EPHEMERAL_SEQUENTIAL);
                    zk.delete(name, -1, new TestHammer(), null);
                } catch(Exception e) {
                    i--;
                    e.printStackTrace();
                }
            }
            System.out.println("creates/sec=" + (REPS*1000/(System.currentTimeMillis()-startTime)));
    }

    public void processResult(int rc, String path, Object ctx) {
        // TODO Auto-generated method stub

    }

}