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a light weight, easy to use and high performance remoting framework based on netty.

There is a newer version: 1.6.11

/*
 * 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 com.alipay.remoting;

import java.util.concurrent.TimeUnit;

import io.netty.util.HashedWheelTimer;
import io.netty.util.Timer;

/**
 * A singleton holder of the timer for timeout.
 * 
 * @author jiangping
 * @version $Id: TimerHolder.java, v 0.1 2015-09-28 2:02:20 tao Exp $
 */
public class TimerHolder {

    private final static long defaultTickDuration = 10;

    private static class DefaultInstance {
        static final Timer INSTANCE = new HashedWheelTimer(new NamedThreadFactory(
                                        "DefaultTimer" + defaultTickDuration, true),
                                        defaultTickDuration, TimeUnit.MILLISECONDS);
    }

    private TimerHolder() {
    }

    /**
     * Get a singleton instance of {@link Timer}. 

     * The tick duration is {@link #defaultTickDuration}.
     * 
     * @return Timer
     */
    public static Timer getTimer() {
        return DefaultInstance.INSTANCE;
    }
}