本文整理汇总了Java中java.util.concurrent.ThreadPoolExecutor.purge方法的典型用法代码示例。如果您正苦于以下问题：Java ThreadPoolExecutor.purge方法的具体用法？Java ThreadPoolExecutor.purge怎么用？Java ThreadPoolExecutor.purge使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类java.util.concurrent.ThreadPoolExecutor的用法示例。
在下文中一共展示了ThreadPoolExecutor.purge方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: testPurge
import java.util.concurrent.ThreadPoolExecutor; //导入方法依赖的package包/类
/**
* purge removes cancelled tasks from the queue
*/
public void testPurge() throws InterruptedException {
final CountDownLatch threadStarted = new CountDownLatch(1);
final CountDownLatch done = new CountDownLatch(1);
final BlockingQueue<Runnable> q = new ArrayBlockingQueue<>(10);
final ThreadPoolExecutor p =
new ThreadPoolExecutor(1, 1,
LONG_DELAY_MS, MILLISECONDS,
q);
try (PoolCleaner cleaner = cleaner(p, done)) {
FutureTask[] tasks = new FutureTask[5];
for (int i = 0; i < tasks.length; i++) {
Callable task = new CheckedCallable<Boolean>() {
public Boolean realCall() throws InterruptedException {
threadStarted.countDown();
await(done);
return Boolean.TRUE;
}};
tasks[i] = new FutureTask(task);
p.execute(tasks[i]);
}
await(threadStarted);
assertEquals(tasks.length, p.getTaskCount());
assertEquals(tasks.length - 1, q.size());
assertEquals(1L, p.getActiveCount());
assertEquals(0L, p.getCompletedTaskCount());
tasks[4].cancel(true);
tasks[3].cancel(false);
p.purge();
assertEquals(tasks.length - 3, q.size());
assertEquals(tasks.length - 2, p.getTaskCount());
p.purge(); // Nothing to do
assertEquals(tasks.length - 3, q.size());
assertEquals(tasks.length - 2, p.getTaskCount());
}
}
示例2: testPurge
import java.util.concurrent.ThreadPoolExecutor; //导入方法依赖的package包/类
/**
* purge removes cancelled tasks from the queue
*/
public void testPurge() throws InterruptedException {
final CountDownLatch threadStarted = new CountDownLatch(1);
final CountDownLatch done = new CountDownLatch(1);
final BlockingQueue<Runnable> q = new ArrayBlockingQueue<>(10);
final ThreadPoolExecutor p =
new CustomTPE(1, 1,
LONG_DELAY_MS, MILLISECONDS,
q);
try (PoolCleaner cleaner = cleaner(p, done)) {
FutureTask[] tasks = new FutureTask[5];
for (int i = 0; i < tasks.length; i++) {
Callable<Boolean> task = new CheckedCallable<Boolean>() {
public Boolean realCall() throws InterruptedException {
threadStarted.countDown();
await(done);
return Boolean.TRUE;
}};
tasks[i] = new FutureTask(task);
p.execute(tasks[i]);
}
await(threadStarted);
assertEquals(tasks.length, p.getTaskCount());
assertEquals(tasks.length - 1, q.size());
assertEquals(1L, p.getActiveCount());
assertEquals(0L, p.getCompletedTaskCount());
tasks[4].cancel(true);
tasks[3].cancel(false);
p.purge();
assertEquals(tasks.length - 3, q.size());
assertEquals(tasks.length - 2, p.getTaskCount());
p.purge(); // Nothing to do
assertEquals(tasks.length - 3, q.size());
assertEquals(tasks.length - 2, p.getTaskCount());
}
}