/*
 * 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.flink.runtime.operators.testutils;

import org.apache.flink.runtime.jobgraph.tasks.AbstractInvokable;
import org.apache.flink.util.ExceptionUtils;
import org.junit.Assert;

public class TaskCancelThread extends Thread {
	
	private final DriverTestBase<?> cancelDriver;
	private final AbstractInvokable cancelTask;
	private final Thread interruptedThread;
	
	private final int cancelTimeout;
	
	
	
	public TaskCancelThread(int cancelTimeout, Thread interruptedThread, DriverTestBase<?> canceledTask) {
		this.cancelTimeout = cancelTimeout;
		this.interruptedThread = interruptedThread;
		this.cancelDriver = canceledTask;
		this.cancelTask = null;
	}
	
	public TaskCancelThread(int cancelTimeout, Thread interruptedThread, AbstractInvokable canceledTask) {
		this.cancelTimeout = cancelTimeout;
		this.interruptedThread = interruptedThread;
		this.cancelDriver = null;
		this.cancelTask = canceledTask;
	}
	
	@Override
	public void run() {
		try {
			Thread.sleep(this.cancelTimeout*1000);
		}
		catch (InterruptedException e) {
			Assert.fail("CancelThread interruped while waiting for cancel timeout");
		}
		
		try {
			if (this.cancelDriver != null) {
				this.cancelDriver.cancel();
			}
			if (this.cancelTask != null) {
				this.cancelTask.cancel();
			}
			
			this.interruptedThread.interrupt();
		} catch (Exception e) {
			Assert.fail("Canceling task failed: " + ExceptionUtils.stringifyException(e));
		}
	}
	
}