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Java WeakValueEntry.getValueReference方法代码示例

本文整理汇总了Java中com.google.common.collect.MapMakerInternalMap.WeakValueEntry.getValueReference方法的典型用法代码示例。如果您正苦于以下问题:Java WeakValueEntry.getValueReference方法的具体用法?Java WeakValueEntry.getValueReference怎么用?Java WeakValueEntry.getValueReference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com.google.common.collect.MapMakerInternalMap.WeakValueEntry的用法示例。


在下文中一共展示了WeakValueEntry.getValueReference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: testDrainValueReferenceQueueOnWrite

import com.google.common.collect.MapMakerInternalMap.WeakValueEntry; //导入方法依赖的package包/类
public void testDrainValueReferenceQueueOnWrite() {
  for (MapMaker maker : allWeakValueStrengthMakers()) {
    MapMakerInternalMap<Object, Object, ?, ?> map = makeMap(maker.concurrencyLevel(1));
    if (maker.getValueStrength() == Strength.WEAK) {
      Segment<Object, Object, ?, ?> segment = map.segments[0];

      Object keyOne = new Object();
      int hashOne = map.hash(keyOne);
      Object valueOne = new Object();
      Object keyTwo = new Object();
      Object valueTwo = new Object();

      map.put(keyOne, valueOne);
      @SuppressWarnings("unchecked")
      WeakValueEntry<Object, Object, ?> entry =
          (WeakValueEntry<Object, Object, ?>) segment.getEntry(keyOne, hashOne);
      WeakValueReference<Object, Object, ?> valueReference = entry.getValueReference();

      @SuppressWarnings("unchecked")
      Reference<Object> reference = (Reference) valueReference;
      reference.enqueue();

      map.put(keyTwo, valueTwo);
      assertFalse(map.containsKey(keyOne));
      assertFalse(map.containsValue(valueOne));
      assertNull(map.get(keyOne));
      assertEquals(1, map.size());
      assertNull(segment.getValueReferenceQueueForTesting().poll());
    }
  }
}
 
开发者ID:zugzug90,项目名称:guava-mock,代码行数:32,代码来源:MapMakerInternalMapTest.java

示例2: testDrainValueReferenceQueueOnRead

import com.google.common.collect.MapMakerInternalMap.WeakValueEntry; //导入方法依赖的package包/类
public void testDrainValueReferenceQueueOnRead() {
  for (MapMaker maker : allWeakValueStrengthMakers()) {
    MapMakerInternalMap<Object, Object, ?, ?> map = makeMap(maker.concurrencyLevel(1));
    if (maker.getValueStrength() == Strength.WEAK) {
      Segment<Object, Object, ?, ?> segment = map.segments[0];

      Object keyOne = new Object();
      int hashOne = map.hash(keyOne);
      Object valueOne = new Object();
      Object keyTwo = new Object();

      map.put(keyOne, valueOne);
      @SuppressWarnings("unchecked")
      WeakValueEntry<Object, Object, ?> entry =
          (WeakValueEntry<Object, Object, ?>) segment.getEntry(keyOne, hashOne);
      WeakValueReference<Object, Object, ?> valueReference = entry.getValueReference();

      @SuppressWarnings("unchecked")
      Reference<Object> reference = (Reference) valueReference;
      reference.enqueue();

      for (int i = 0; i < SMALL_MAX_SIZE; i++) {
        Object unused = map.get(keyTwo);
      }
      assertFalse(map.containsKey(keyOne));
      assertFalse(map.containsValue(valueOne));
      assertNull(map.get(keyOne));
      assertEquals(0, map.size());
      assertNull(segment.getValueReferenceQueueForTesting().poll());
    }
  }
}
 
开发者ID:zugzug90,项目名称:guava-mock,代码行数:33,代码来源:MapMakerInternalMapTest.java


注:本文中的com.google.common.collect.MapMakerInternalMap.WeakValueEntry.getValueReference方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。