本文整理汇总了Java中com.google.common.collect.MapMakerInternalMap.WeakValueEntry类的典型用法代码示例。如果您正苦于以下问题:Java WeakValueEntry类的具体用法?Java WeakValueEntry怎么用?Java WeakValueEntry使用的例子?那么, 这里精选的类代码示例或许可以为您提供帮助。
WeakValueEntry类属于com.google.common.collect.MapMakerInternalMap包,在下文中一共展示了WeakValueEntry类的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());
}
}
}
示例2: testDrainValueReferenceQueueOnRead
import com.google.common.collect.MapMakerInternalMap.WeakValueEntry; //导入依赖的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());
}
}
}