dubbo Timer 源码
dubbo Timer 代码
文件路径：/dubbo-common/src/main/java/org/apache/dubbo/common/timer/Timer.java
/*
* Copyright 2012 The Netty Project
*
* The Netty Project 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.dubbo.common.timer;
import java.util.Set;
import java.util.concurrent.RejectedExecutionException;
import java.util.concurrent.TimeUnit;
/**
* Schedules {@link TimerTask}s for one-time future execution in a background
* thread.
*/
public interface Timer {
/**
* Schedules the specified {@link TimerTask} for one-time execution after
* the specified delay.
*
* @return a handle which is associated with the specified task
* @throws IllegalStateException if this timer has been {@linkplain #stop() stopped} already
* @throws RejectedExecutionException if the pending timeouts are too many and creating new timeout
* can cause instability in the system.
*/
Timeout newTimeout(TimerTask task, long delay, TimeUnit unit);
/**
* Releases all resources acquired by this {@link Timer} and cancels all
* tasks which were scheduled but not executed yet.
*
* @return the handles associated with the tasks which were canceled by
* this method
*/
Set<Timeout> stop();
/**
* the timer is stop
*
* @return true for stop
*/
boolean isStop();
}
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