java.util.concurrent.atomic.AtomicLongFieldUpdater#weakCompareAndSet()源码实例Demo

下面列出了java.util.concurrent.atomic.AtomicLongFieldUpdater#weakCompareAndSet() 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。

源代码1 项目： openjdk-jdk9 文件： AtomicLongFieldUpdaterTest.java

/**
 * repeated weakCompareAndSet succeeds in changing value when equal
 * to expected
 */
public void testWeakCompareAndSet() {
    AtomicLongFieldUpdater<AtomicLongFieldUpdaterTest> a;
    a = updaterFor("x");
    x = 1;
    do {} while (!a.weakCompareAndSet(this, 1, 2));
    do {} while (!a.weakCompareAndSet(this, 2, -4));
    assertEquals(-4, a.get(this));
    do {} while (!a.weakCompareAndSet(this, -4, 7));
    assertEquals(7, a.get(this));
}

源代码2 项目： j2objc 文件： AtomicLongFieldUpdaterTest.java

/**
 * repeated weakCompareAndSet succeeds in changing value when equal
 * to expected
 */
public void testWeakCompareAndSet() {
    AtomicLongFieldUpdater<AtomicLongFieldUpdaterTest> a;
    a = updaterFor("x");
    x = 1;
    do {} while (!a.weakCompareAndSet(this, 1, 2));
    do {} while (!a.weakCompareAndSet(this, 2, -4));
    assertEquals(-4, a.get(this));
    do {} while (!a.weakCompareAndSet(this, -4, 7));
    assertEquals(7, a.get(this));
}

方法所在类

java.util.concurrent.atomic.AtomicLongFieldUpdater