本文整理汇总了Java中java.util.concurrent.Semaphore.availablePermits方法的典型用法代码示例。如果您正苦于以下问题:Java Semaphore.availablePermits方法的具体用法?Java Semaphore.availablePermits怎么用?Java Semaphore.availablePermits使用的例子?那么, 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.Semaphore
的用法示例。
在下文中一共展示了Semaphore.availablePermits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: removeAddress
import java.util.concurrent.Semaphore; //导入方法依赖的package包/类
public boolean removeAddress(String address) {
Semaphore semaphore = this.addressSemaphoreMap.get(address);
if (semaphore.availablePermits() == this.poolNum) {
this.addressSemaphoreMap.remove(address);
return true;
}
return false;
}
示例2: testReleaseAcquireDifferentThreads
import java.util.concurrent.Semaphore; //导入方法依赖的package包/类
public void testReleaseAcquireDifferentThreads(boolean fair,
final AcquireMethod acquirer) {
final Semaphore s = new Semaphore(0, fair);
final int rounds = 4;
long startTime = System.nanoTime();
Thread t = newStartedThread(new CheckedRunnable() {
public void realRun() throws InterruptedException {
for (int i = 0; i < rounds; i++) {
assertFalse(s.hasQueuedThreads());
if (i % 2 == 0)
acquirer.acquire(s);
else
acquirer.acquire(s, 3);
}}});
for (int i = 0; i < rounds; i++) {
while (! (s.availablePermits() == 0 && s.hasQueuedThreads()))
Thread.yield();
assertTrue(t.isAlive());
if (i % 2 == 0)
s.release();
else
s.release(3);
}
awaitTermination(t);
assertEquals(0, s.availablePermits());
assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
}