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

下面列出了java.util.concurrent.atomic.AtomicReferenceFieldUpdater#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： AtomicReferenceFieldUpdaterTest.java

/**
 * repeated weakCompareAndSet succeeds in changing value when equal
 * to expected
 */
public void testWeakCompareAndSet() {
    AtomicReferenceFieldUpdater<AtomicReferenceFieldUpdaterTest, Integer> a;
    a = updaterFor("x");
    x = one;
    do {} while (!a.weakCompareAndSet(this, one, two));
    do {} while (!a.weakCompareAndSet(this, two, m4));
    assertSame(m4, a.get(this));
    do {} while (!a.weakCompareAndSet(this, m4, seven));
    assertSame(seven, a.get(this));
}

源代码2 项目： j2objc 文件： AtomicReferenceFieldUpdaterTest.java

/**
 * repeated weakCompareAndSet succeeds in changing value when equal
 * to expected
 */
public void testWeakCompareAndSet() {
    AtomicReferenceFieldUpdater<AtomicReferenceFieldUpdaterTest, Integer> a;
    a = updaterFor("x");
    x = one;
    do {} while (!a.weakCompareAndSet(this, one, two));
    do {} while (!a.weakCompareAndSet(this, two, m4));
    assertSame(m4, a.get(this));
    do {} while (!a.weakCompareAndSet(this, m4, seven));
    assertSame(seven, a.get(this));
}

方法所在类

java.util.concurrent.atomic.AtomicReferenceFieldUpdater