/*
* Copyright (C) 2010-2101 Alibaba Group Holding Limited.
*
* Licensed 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.alibaba.otter.node.etl.load;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.concurrent.CountDownLatch;
import org.apache.commons.lang.math.RandomUtils;
import org.testng.annotations.Test;
import com.alibaba.otter.node.etl.load.loader.weight.WeightController;
import com.alibaba.otter.node.etl.BaseOtterTest;
public class WeightControllerTest extends BaseOtterTest {
@Test
public void test_simple() {
int thread = 10;
int count = 10;
WeightController controller = new WeightController(thread);
CountDownLatch latch = new CountDownLatch(thread);
WeightWorkerTest[] workers = new WeightWorkerTest[thread];
for (int i = 0; i < thread; i++) {
int[] weights = new int[count];
for (int j = 0; j < count; j++) {
weights[j] = RandomUtils.nextInt(count);
}
workers[i] = new WeightWorkerTest(i, weights, controller, latch);
}
for (int i = 0; i < thread; i++) {
workers[i].start();
}
try {
latch.await();
} catch (InterruptedException e) {
want.fail();
}
}
}
class WeightWorkerTest extends Thread {
public long getId() {
return id;
}
private List<Long> weights;
private WeightController controller;
private CountDownLatch latch;
private int id;
public WeightWorkerTest(int id, int[] weights, WeightController controller, CountDownLatch latch){
this.id = id;
this.controller = controller;
this.weights = new ArrayList<Long>();
this.latch = latch;
for (int i = 0; i < weights.length; i++) {
this.weights.add(Long.valueOf(weights[i]));
}
Collections.sort(this.weights);
}
public void run() {
try {
controller.start(weights);
} catch (InterruptedException e1) {
e1.printStackTrace();
}
for (Long weight : weights) {
try {
controller.await(weight);
System.out.println(id + " : " + weight);
Thread.sleep(50);
controller.single(weight);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
latch.countDown();
}
}