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Java 类com.google.common.cache.LocalCache.ReferenceEntry 实例源码

项目：guava-mock    文件：LocalCacheTest.java    
public void testSegmentRefresh_duplicate() throws ExecutionException {
  LocalCache<Object, Object> map = makeLocalCache(createCacheBuilder()
      .concurrencyLevel(1));
  Segment<Object, Object> segment = map.segments[0];

  Object key = new Object();
  int hash = map.hash(key);
  AtomicReferenceArray<ReferenceEntry<Object, Object>> table = segment.table;
  int index = hash & (table.length() - 1);

  // already loading
  DummyEntry<Object, Object> entry = DummyEntry.create(key, hash, null);
  DummyValueReference<Object, Object> valueRef = DummyValueReference.create(null);
  valueRef.setLoading(true);
  entry.setValueReference(valueRef);
  table.set(index, entry);
  assertNull(segment.refresh(key, hash, identityLoader(), false));
}
项目：guava-mock    文件：LocalCacheTest.java    
public void testRemovalListener_collected() {
  QueuingRemovalListener<Object, Object> listener = queuingRemovalListener();
  LocalCache<Object, Object> map = makeLocalCache(createCacheBuilder()
      .concurrencyLevel(1)
      .softValues()
      .removalListener(listener));
  Segment<Object, Object> segment = map.segments[0];
  assertTrue(listener.isEmpty());

  Object one = new Object();
  Object two = new Object();
  Object three = new Object();

  map.put(one, two);
  map.put(two, three);
  assertTrue(listener.isEmpty());

  int hash = map.hash(one);
  ReferenceEntry<Object, Object> entry = segment.getEntry(one, hash);
  map.reclaimValue(entry.getValueReference());
  assertNotified(listener, one, two, RemovalCause.COLLECTED);

  assertTrue(listener.isEmpty());
}
项目：guava-mock    文件：CacheTesting.java    
/**
 * Assuming the given cache has maximum size {@code maxSize}, this method populates the cache (by
 * getting a bunch of different keys), then makes sure all the items in the cache are also in the
 * eviction queue. It will invoke the given {@code operation} on the first element in the
 * eviction queue, and then reverify that all items in the cache are in the eviction queue, and
 * verify that the head of the eviction queue has changed as a result of the operation.
 */
static void checkRecency(LoadingCache<Integer, Integer> cache, int maxSize,
    Receiver<ReferenceEntry<Integer, Integer>> operation) {
  checkNotNull(operation);
  if (hasLocalCache(cache)) {
    warmUp(cache, 0, 2 * maxSize);

    LocalCache<Integer, Integer> cchm = toLocalCache(cache);
    Segment<?, ?> segment = cchm.segments[0];
    drainRecencyQueue(segment);
    assertEquals(maxSize, accessQueueSize(cache));
    assertEquals(maxSize, cache.size());

    ReferenceEntry<?, ?> originalHead = segment.accessQueue.peek();
    @SuppressWarnings("unchecked")
    ReferenceEntry<Integer, Integer> entry = (ReferenceEntry) originalHead;
    operation.accept(entry);
    drainRecencyQueue(segment);

    assertNotSame(originalHead, segment.accessQueue.peek());
    assertEquals(cache.size(), accessQueueSize(cache));
  }
}
项目：googles-monorepo-demo    文件：CacheTesting.java    
/**
 * Assuming the given cache has maximum size {@code maxSize}, this method populates the cache (by
 * getting a bunch of different keys), then makes sure all the items in the cache are also in the
 * eviction queue. It will invoke the given {@code operation} on the first element in the
 * eviction queue, and then reverify that all items in the cache are in the eviction queue, and
 * verify that the head of the eviction queue has changed as a result of the operation.
 */
static void checkRecency(LoadingCache<Integer, Integer> cache, int maxSize,
    Receiver<ReferenceEntry<Integer, Integer>> operation) {
  checkNotNull(operation);
  if (hasLocalCache(cache)) {
    warmUp(cache, 0, 2 * maxSize);

    LocalCache<Integer, Integer> cchm = toLocalCache(cache);
    Segment<?, ?> segment = cchm.segments[0];
    drainRecencyQueue(segment);
    assertEquals(maxSize, accessQueueSize(cache));
    assertEquals(maxSize, cache.size());

    ReferenceEntry<?, ?> originalHead = segment.accessQueue.peek();
    @SuppressWarnings("unchecked")
    ReferenceEntry<Integer, Integer> entry = (ReferenceEntry) originalHead;
    operation.accept(entry);
    drainRecencyQueue(segment);

    assertNotSame(originalHead, segment.accessQueue.peek());
    assertEquals(cache.size(), accessQueueSize(cache));
  }
}
项目：googles-monorepo-demo    文件：LocalCacheTest.java    
public void testRemovalListener_collected() {
  QueuingRemovalListener<Object, Object> listener = queuingRemovalListener();
  LocalCache<Object, Object> map = makeLocalCache(createCacheBuilder()
      .concurrencyLevel(1)
      .softValues()
      .removalListener(listener));
  Segment<Object, Object> segment = map.segments[0];
  assertTrue(listener.isEmpty());

  Object one = new Object();
  Object two = new Object();
  Object three = new Object();

  map.put(one, two);
  map.put(two, three);
  assertTrue(listener.isEmpty());

  int hash = map.hash(one);
  ReferenceEntry<Object, Object> entry = segment.getEntry(one, hash);
  map.reclaimValue(entry.getValueReference());
  assertNotified(listener, one, two, RemovalCause.COLLECTED);

  assertTrue(listener.isEmpty());
}
项目：guava-mock    文件：SegmentBenchmark.java    
@Benchmark int time(int reps) {
  int dummy = 0;
  AtomicReferenceArray<ReferenceEntry<Object, Object>> oldTable = segment.table;
  for (int i = 0; i < reps; i++) {
    segment.expand();
    segment.table = oldTable;
    dummy += segment.count;
  }
  return dummy;
}
项目：guava-mock    文件：LocalCacheTest.java    
public void testComputePartiallyCollectedKey() throws ExecutionException {
  CacheBuilder<Object, Object> builder = createCacheBuilder().concurrencyLevel(1);
  CountingLoader loader = new CountingLoader();
  LocalCache<Object, Object> map = makeLocalCache(builder);
  Segment<Object, Object> segment = map.segments[0];
  AtomicReferenceArray<ReferenceEntry<Object, Object>> table = segment.table;
  assertEquals(0, loader.getCount());

  Object key = new Object();
  int hash = map.hash(key);
  Object value = new Object();
  int index = hash & (table.length() - 1);

  DummyEntry<Object, Object> entry = DummyEntry.create(key, hash, null);
  DummyValueReference<Object, Object> valueRef = DummyValueReference.create(value);
  entry.setValueReference(valueRef);
  table.set(index, entry);
  segment.count++;

  assertSame(value, map.get(key, loader));
  assertEquals(0, loader.getCount());
  assertEquals(1, segment.count);

  entry.clearKey();
  assertNotSame(value, map.get(key, loader));
  assertEquals(1, loader.getCount());
  assertEquals(2, segment.count);
}
项目：guava-mock    文件：LocalCacheTest.java    
public void testComputePartiallyCollectedValue() throws ExecutionException {
  CacheBuilder<Object, Object> builder = createCacheBuilder().concurrencyLevel(1);
  CountingLoader loader = new CountingLoader();
  LocalCache<Object, Object> map = makeLocalCache(builder);
  Segment<Object, Object> segment = map.segments[0];
  AtomicReferenceArray<ReferenceEntry<Object, Object>> table = segment.table;
  assertEquals(0, loader.getCount());

  Object key = new Object();
  int hash = map.hash(key);
  Object value = new Object();
  int index = hash & (table.length() - 1);

  DummyEntry<Object, Object> entry = DummyEntry.create(key, hash, null);
  DummyValueReference<Object, Object> valueRef = DummyValueReference.create(value);
  entry.setValueReference(valueRef);
  table.set(index, entry);
  segment.count++;

  assertSame(value, map.get(key, loader));
  assertEquals(0, loader.getCount());
  assertEquals(1, segment.count);

  valueRef.clear();
  assertNotSame(value, map.get(key, loader));
  assertEquals(1, loader.getCount());
  assertEquals(1, segment.count);
}
项目：guava-mock    文件：LocalCacheTest.java    
public void testNewEntry() {
  for (CacheBuilder<Object, Object> builder : allEntryTypeMakers()) {
    LocalCache<Object, Object> map = makeLocalCache(builder);

    Object keyOne = new Object();
    Object valueOne = new Object();
    int hashOne = map.hash(keyOne);
    ReferenceEntry<Object, Object> entryOne = map.newEntry(keyOne, hashOne, null);
    ValueReference<Object, Object> valueRefOne = map.newValueReference(entryOne, valueOne, 1);
    assertSame(valueOne, valueRefOne.get());
    entryOne.setValueReference(valueRefOne);

    assertSame(keyOne, entryOne.getKey());
    assertEquals(hashOne, entryOne.getHash());
    assertNull(entryOne.getNext());
    assertSame(valueRefOne, entryOne.getValueReference());

    Object keyTwo = new Object();
    Object valueTwo = new Object();
    int hashTwo = map.hash(keyTwo);
    ReferenceEntry<Object, Object> entryTwo = map.newEntry(keyTwo, hashTwo, entryOne);
    ValueReference<Object, Object> valueRefTwo = map.newValueReference(entryTwo, valueTwo, 1);
    assertSame(valueTwo, valueRefTwo.get());
    entryTwo.setValueReference(valueRefTwo);

    assertSame(keyTwo, entryTwo.getKey());
    assertEquals(hashTwo, entryTwo.getHash());
    assertSame(entryOne, entryTwo.getNext());
    assertSame(valueRefTwo, entryTwo.getValueReference());
  }
}
项目：guava-mock    文件：LocalCacheTest.java    
public void testSegmentReplace() {
  LocalCache<Object, Object> map =
      makeLocalCache(createCacheBuilder().concurrencyLevel(1).expireAfterAccess(99999, SECONDS));
  Segment<Object, Object> segment = map.segments[0];
  // TODO(fry): check recency ordering

  Object key = new Object();
  int hash = map.hash(key);
  Object oldValue = new Object();
  Object newValue = new Object();
  AtomicReferenceArray<ReferenceEntry<Object, Object>> table = segment.table;
  int index = hash & (table.length() - 1);

  DummyEntry<Object, Object> entry = DummyEntry.create(key, hash, null);
  DummyValueReference<Object, Object> oldValueRef = DummyValueReference.create(oldValue);
  entry.setValueReference(oldValueRef);

  // no entry
  assertNull(segment.replace(key, hash, newValue));
  assertEquals(0, segment.count);

  // same key
  table.set(index, entry);
  segment.count++;
  assertEquals(1, segment.count);
  assertSame(oldValue, segment.get(key, hash));
  assertSame(oldValue, segment.replace(key, hash, newValue));
  assertEquals(1, segment.count);
  assertSame(newValue, segment.get(key, hash));

  // cleared
  entry.setValueReference(oldValueRef);
  assertSame(oldValue, segment.get(key, hash));
  oldValueRef.clear();
  assertNull(segment.replace(key, hash, newValue));
  assertEquals(0, segment.count);
  assertNull(segment.get(key, hash));
}
项目：guava-mock    文件：LocalCacheTest.java    
public void testSegmentPut() {
  LocalCache<Object, Object> map =
      makeLocalCache(createCacheBuilder().concurrencyLevel(1).expireAfterAccess(99999, SECONDS));
  Segment<Object, Object> segment = map.segments[0];
  // TODO(fry): check recency ordering

  Object key = new Object();
  int hash = map.hash(key);
  Object oldValue = new Object();
  Object newValue = new Object();

  // no entry
  assertEquals(0, segment.count);
  assertNull(segment.put(key, hash, oldValue, false));
  assertEquals(1, segment.count);

  // same key
  assertSame(oldValue, segment.put(key, hash, newValue, false));
  assertEquals(1, segment.count);
  assertSame(newValue, segment.get(key, hash));

  // cleared
  ReferenceEntry<Object, Object> entry = segment.getEntry(key, hash);
  DummyValueReference<Object, Object> oldValueRef = DummyValueReference.create(oldValue);
  entry.setValueReference(oldValueRef);
  assertSame(oldValue, segment.get(key, hash));
  oldValueRef.clear();
  assertNull(segment.put(key, hash, newValue, false));
  assertEquals(1, segment.count);
  assertSame(newValue, segment.get(key, hash));
}
项目：guava-mock    文件：LocalCacheTest.java    
public void testSegmentPutIfAbsent() {
  LocalCache<Object, Object> map =
      makeLocalCache(createCacheBuilder().concurrencyLevel(1).expireAfterAccess(99999, SECONDS));
  Segment<Object, Object> segment = map.segments[0];
  // TODO(fry): check recency ordering

  Object key = new Object();
  int hash = map.hash(key);
  Object oldValue = new Object();
  Object newValue = new Object();

  // no entry
  assertEquals(0, segment.count);
  assertNull(segment.put(key, hash, oldValue, true));
  assertEquals(1, segment.count);

  // same key
  assertSame(oldValue, segment.put(key, hash, newValue, true));
  assertEquals(1, segment.count);
  assertSame(oldValue, segment.get(key, hash));

  // cleared
  ReferenceEntry<Object, Object> entry = segment.getEntry(key, hash);
  DummyValueReference<Object, Object> oldValueRef = DummyValueReference.create(oldValue);
  entry.setValueReference(oldValueRef);
  assertSame(oldValue, segment.get(key, hash));
  oldValueRef.clear();
  assertNull(segment.put(key, hash, newValue, true));
  assertEquals(1, segment.count);
  assertSame(newValue, segment.get(key, hash));
}
项目：googles-monorepo-demo    文件：CacheEvictionTest.java    
public void testUpdateRecency_onGet() {
  IdentityLoader<Integer> loader = identityLoader();
  final LoadingCache<Integer, Integer> cache =
      CacheBuilder.newBuilder().maximumSize(MAX_SIZE).build(loader);
  CacheTesting.checkRecency(cache, MAX_SIZE,
      new Receiver<ReferenceEntry<Integer, Integer>>() {
        @Override
        public void accept(ReferenceEntry<Integer, Integer> entry) {
          cache.getUnchecked(entry.getKey());
        }
      });
}
项目：guava-mock    文件：LocalCacheTest.java    
public void testExpand() {
  LocalCache<Object, Object> map =
      makeLocalCache(createCacheBuilder().concurrencyLevel(1).initialCapacity(1));
  Segment<Object, Object> segment = map.segments[0];
  assertEquals(1, segment.table.length());

  // manually add elements to avoid expansion
  int originalCount = 1024;
  ReferenceEntry<Object, Object> entry = null;
  for (int i = 0; i < originalCount; i++) {
    Object key = new Object();
    Object value = new Object();
    int hash = map.hash(key);
    // chain all entries together as we only have a single bucket
    entry = map.newEntry(key, hash, entry);
    ValueReference<Object, Object> valueRef = map.newValueReference(entry, value, 1);
    entry.setValueReference(valueRef);
  }
  segment.table.set(0, entry);
  segment.count = originalCount;
  ImmutableMap<Object, Object> originalMap = ImmutableMap.copyOf(map);
  assertEquals(originalCount, originalMap.size());
  assertEquals(originalMap, map);

  for (int i = 1; i <= originalCount * 2; i *= 2) {
    if (i > 1) {
      segment.expand();
    }
    assertEquals(i, segment.table.length());
    assertEquals(originalCount, countLiveEntries(map, 0));
    assertEquals(originalCount, segment.count);
    assertEquals(originalMap, map);
  }
}
项目：guava-mock    文件：LocalCacheTest.java    
private static <K, V> int countLiveEntries(LocalCache<K, V> map, long now) {
  int result = 0;
  for (Segment<K, V> segment : map.segments) {
    AtomicReferenceArray<ReferenceEntry<K, V>> table = segment.table;
    for (int i = 0; i < table.length(); i++) {
      for (ReferenceEntry<K, V> e = table.get(i); e != null; e = e.getNext()) {
        if (map.isLive(e, now)) {
          result++;
        }
      }
    }
  }
  return result;
}
项目：guava-mock    文件：LocalCacheTest.java    
public void testClear() {
  LocalCache<Object, Object> map = makeLocalCache(createCacheBuilder()
      .concurrencyLevel(1)
      .initialCapacity(1)
      .maximumSize(SMALL_MAX_SIZE)
      .expireAfterWrite(99999, SECONDS));
  Segment<Object, Object> segment = map.segments[0];
  AtomicReferenceArray<ReferenceEntry<Object, Object>> table = segment.table;
  assertEquals(1, table.length());

  Object key = new Object();
  Object value = new Object();
  int hash = map.hash(key);
  DummyEntry<Object, Object> entry = createDummyEntry(key, hash, value, null);
  segment.recordWrite(entry, 1, map.ticker.read());
  segment.table.set(0, entry);
  segment.readCount.incrementAndGet();
  segment.count = 1;
  segment.totalWeight = 1;

  assertSame(entry, table.get(0));
  assertSame(entry, segment.accessQueue.peek());
  assertSame(entry, segment.writeQueue.peek());

  segment.clear();
  assertNull(table.get(0));
  assertTrue(segment.accessQueue.isEmpty());
  assertTrue(segment.writeQueue.isEmpty());
  assertEquals(0, segment.readCount.get());
  assertEquals(0, segment.count);
  assertEquals(0, segment.totalWeight);
}
项目：guava-mock    文件：LocalCacheTest.java    
public void testClear_notification() {
  QueuingRemovalListener<Object, Object> listener = queuingRemovalListener();
  LocalCache<Object, Object> map = makeLocalCache(createCacheBuilder()
      .concurrencyLevel(1)
      .initialCapacity(1)
      .maximumSize(SMALL_MAX_SIZE)
      .expireAfterWrite(99999, SECONDS)
      .removalListener(listener));
  Segment<Object, Object> segment = map.segments[0];
  AtomicReferenceArray<ReferenceEntry<Object, Object>> table = segment.table;
  assertEquals(1, table.length());

  Object key = new Object();
  Object value = new Object();
  int hash = map.hash(key);
  DummyEntry<Object, Object> entry = createDummyEntry(key, hash, value, null);
  segment.recordWrite(entry, 1, map.ticker.read());
  segment.table.set(0, entry);
  segment.readCount.incrementAndGet();
  segment.count = 1;
  segment.totalWeight = 1;

  assertSame(entry, table.get(0));
  assertSame(entry, segment.accessQueue.peek());
  assertSame(entry, segment.writeQueue.peek());

  segment.clear();
  assertNull(table.get(0));
  assertTrue(segment.accessQueue.isEmpty());
  assertTrue(segment.writeQueue.isEmpty());
  assertEquals(0, segment.readCount.get());
  assertEquals(0, segment.count);
  assertEquals(0, segment.totalWeight);
  assertNotified(listener, key, value, RemovalCause.EXPLICIT);
}
项目：guava-mock    文件：LocalCacheTest.java    
public void testRemoveEntry() {
  LocalCache<Object, Object> map = makeLocalCache(createCacheBuilder()
      .concurrencyLevel(1)
      .initialCapacity(1)
      .maximumSize(SMALL_MAX_SIZE)
      .expireAfterWrite(99999, SECONDS)
      .removalListener(countingRemovalListener()));
  Segment<Object, Object> segment = map.segments[0];
  AtomicReferenceArray<ReferenceEntry<Object, Object>> table = segment.table;
  assertEquals(1, table.length());

  Object key = new Object();
  Object value = new Object();
  int hash = map.hash(key);
  DummyEntry<Object, Object> entry = createDummyEntry(key, hash, value, null);

  // remove absent
  assertFalse(segment.removeEntry(entry, hash, RemovalCause.COLLECTED));

  // remove live
  segment.recordWrite(entry, 1, map.ticker.read());
  table.set(0, entry);
  segment.count = 1;
  assertTrue(segment.removeEntry(entry, hash, RemovalCause.COLLECTED));
  assertNotificationEnqueued(map, key, value, hash);
  assertTrue(map.removalNotificationQueue.isEmpty());
  assertFalse(segment.accessQueue.contains(entry));
  assertFalse(segment.writeQueue.contains(entry));
  assertEquals(0, segment.count);
  assertNull(table.get(0));
}
项目：guava-mock    文件：LocalCacheTest.java    
static <K, V> void checkAndDrainRecencyQueue(LocalCache<K, V> map,
    Segment<K, V> segment, List<ReferenceEntry<K, V>> reads) {
  if (map.evictsBySize() || map.expiresAfterAccess()) {
    assertSameEntries(reads, ImmutableList.copyOf(segment.recencyQueue));
  }
  segment.drainRecencyQueue();
}
项目：guava-mock    文件：LocalCacheTest.java    
static <K, V> void checkEvictionQueues(LocalCache<K, V> map,
    Segment<K, V> segment, List<ReferenceEntry<K, V>> readOrder,
    List<ReferenceEntry<K, V>> writeOrder) {
  if (map.evictsBySize() || map.expiresAfterAccess()) {
    assertSameEntries(readOrder, ImmutableList.copyOf(segment.accessQueue));
  }
  if (map.expiresAfterWrite()) {
    assertSameEntries(writeOrder, ImmutableList.copyOf(segment.writeQueue));
  }
}
项目：guava-mock    文件：LocalCacheTest.java    
private static <K, V> void assertSameEntries(List<ReferenceEntry<K, V>> expectedEntries,
    List<ReferenceEntry<K, V>> actualEntries) {
  int size = expectedEntries.size();
  assertEquals(size, actualEntries.size());
  for (int i = 0; i < size; i++) {
    ReferenceEntry<K, V> expectedEntry = expectedEntries.get(i);
    ReferenceEntry<K, V> actualEntry = actualEntries.get(i);
    assertSame(expectedEntry.getKey(), actualEntry.getKey());
    assertSame(expectedEntry.getValueReference().get(), actualEntry.getValueReference().get());
  }
}
项目：guava-mock    文件：LocalCacheTest.java    
public void testExpireAfterWrite() {
  FakeTicker ticker = new FakeTicker();
  LocalCache<Object, Object> map = makeLocalCache(createCacheBuilder()
      .concurrencyLevel(1)
      .ticker(ticker)
      .expireAfterWrite(2, TimeUnit.NANOSECONDS));
  Segment<Object, Object> segment = map.segments[0];

  Object key = new Object();
  Object value = new Object();
  map.put(key, value);
  ReferenceEntry<Object, Object> entry = map.getEntry(key);
  assertTrue(map.isLive(entry, ticker.read()));

  segment.writeQueue.add(entry);
  assertSame(value, map.get(key));
  assertSame(entry, segment.writeQueue.peek());
  assertEquals(1, segment.writeQueue.size());

  segment.recordRead(entry, ticker.read());
  segment.expireEntries(ticker.read());
  assertSame(value, map.get(key));
  assertSame(entry, segment.writeQueue.peek());
  assertEquals(1, segment.writeQueue.size());

  ticker.advance(1);
  segment.recordRead(entry, ticker.read());
  segment.expireEntries(ticker.read());
  assertSame(value, map.get(key));
  assertSame(entry, segment.writeQueue.peek());
  assertEquals(1, segment.writeQueue.size());

  ticker.advance(1);
  assertNull(map.get(key));
  segment.expireEntries(ticker.read());
  assertNull(map.get(key));
  assertTrue(segment.writeQueue.isEmpty());
}
项目：guava-mock    文件：LocalCacheTest.java    
public void testEvictEntries() {
  int maxSize = 10;
  LocalCache<Object, Object> map =
      makeLocalCache(createCacheBuilder().concurrencyLevel(1).maximumSize(maxSize));
  Segment<Object, Object> segment = map.segments[0];

  // manually add elements to avoid eviction
  int originalCount = 1024;
  ReferenceEntry<Object, Object> entry = null;
  LinkedHashMap<Object, Object> originalMap = Maps.newLinkedHashMap();
  for (int i = 0; i < originalCount; i++) {
    Object key = new Object();
    Object value = new Object();
    AtomicReferenceArray<ReferenceEntry<Object, Object>> table = segment.table;
    int hash = map.hash(key);
    int index = hash & (table.length() - 1);
    ReferenceEntry<Object, Object> first = table.get(index);
    entry = map.newEntry(key, hash, first);
    ValueReference<Object, Object> valueRef = map.newValueReference(entry, value, 1);
    entry.setValueReference(valueRef);
    segment.recordWrite(entry, 1, map.ticker.read());
    table.set(index, entry);
    originalMap.put(key, value);
  }
  segment.count = originalCount;
  segment.totalWeight = originalCount;
  assertEquals(originalCount, map.size());
  assertEquals(originalMap, map);

  Iterator<Object> it = originalMap.keySet().iterator();
  for (int i = 0; i < originalCount - maxSize; i++) {
    it.next();
    it.remove();
  }
  segment.evictEntries(entry);
  assertEquals(maxSize, map.size());
  assertEquals(originalMap, map);
}
项目：guava-mock    文件：LocalCacheTest.java    
public void testDrainKeyReferenceQueueOnWrite() {
  for (CacheBuilder<Object, Object> builder : allKeyValueStrengthMakers()) {
    LocalCache<Object, Object> map =
        makeLocalCache(builder.concurrencyLevel(1));
    if (map.usesKeyReferences()) {
      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);
      ReferenceEntry<Object, Object> entry = segment.getEntry(keyOne, hashOne);

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

      map.put(keyTwo, valueTwo);
      assertFalse(map.containsKey(keyOne));
      assertFalse(map.containsValue(valueOne));
      assertNull(map.get(keyOne));
      assertEquals(1, map.size());
      assertNull(segment.keyReferenceQueue.poll());
    }
  }
}
项目：guava-mock    文件：LocalCacheTest.java    
public void testDrainValueReferenceQueueOnWrite() {
  for (CacheBuilder<Object, Object> builder : allKeyValueStrengthMakers()) {
    LocalCache<Object, Object> map =
        makeLocalCache(builder.concurrencyLevel(1));
    if (map.usesValueReferences()) {
      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);
      ReferenceEntry<Object, Object> entry = segment.getEntry(keyOne, hashOne);
      ValueReference<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.valueReferenceQueue.poll());
    }
  }
}
项目：guava-mock    文件：LocalCacheTest.java    
public void testDrainKeyReferenceQueueOnRead() {
  for (CacheBuilder<Object, Object> builder : allKeyValueStrengthMakers()) {
    LocalCache<Object, Object> map =
        makeLocalCache(builder.concurrencyLevel(1));
    if (map.usesKeyReferences()) {
      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);
      ReferenceEntry<Object, Object> entry = segment.getEntry(keyOne, hashOne);

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

      for (int i = 0; i < SMALL_MAX_SIZE; i++) {
        map.get(keyTwo);
      }
      assertFalse(map.containsKey(keyOne));
      assertFalse(map.containsValue(valueOne));
      assertNull(map.get(keyOne));
      assertEquals(0, map.size());
      assertNull(segment.keyReferenceQueue.poll());
    }
  }
}
项目：guava-mock    文件：LocalCacheTest.java    
public void testDrainValueReferenceQueueOnRead() {
  for (CacheBuilder<Object, Object> builder : allKeyValueStrengthMakers()) {
    LocalCache<Object, Object> map =
        makeLocalCache(builder.concurrencyLevel(1));
    if (map.usesValueReferences()) {
      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);
      ReferenceEntry<Object, Object> entry = segment.getEntry(keyOne, hashOne);
      ValueReference<Object, Object> valueReference = entry.getValueReference();

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

      for (int i = 0; i < SMALL_MAX_SIZE; i++) {
        map.get(keyTwo);
      }
      assertFalse(map.containsKey(keyOne));
      assertFalse(map.containsValue(valueOne));
      assertNull(map.get(keyOne));
      assertEquals(0, map.size());
      assertNull(segment.valueReferenceQueue.poll());
    }
  }
}
项目：guava-mock    文件：LocalCacheTest.java    
private static <K, V> DummyEntry<K, V> createDummyEntry(
    K key, int hash, V value, ReferenceEntry<K, V> next) {
  DummyEntry<K, V> entry = DummyEntry.create(key, hash, next);
  DummyValueReference<K, V> valueRef = DummyValueReference.create(value);
  entry.setValueReference(valueRef);
  return entry;
}
项目：guava-mock    文件：CacheEvictionTest.java    
public void testUpdateRecency_onGet() {
  IdentityLoader<Integer> loader = identityLoader();
  final LoadingCache<Integer, Integer> cache =
      CacheBuilder.newBuilder().maximumSize(MAX_SIZE).build(loader);
  CacheTesting.checkRecency(cache, MAX_SIZE,
      new Receiver<ReferenceEntry<Integer, Integer>>() {
        @Override
        public void accept(ReferenceEntry<Integer, Integer> entry) {
          cache.getUnchecked(entry.getKey());
        }
      });
}
项目：guava-mock    文件：CacheEvictionTest.java    
public void testUpdateRecency_onInvalidate() {
  IdentityLoader<Integer> loader = identityLoader();
  final LoadingCache<Integer, Integer> cache = CacheBuilder.newBuilder()
      .maximumSize(MAX_SIZE)
      .concurrencyLevel(1)
      .build(loader);
  CacheTesting.checkRecency(cache, MAX_SIZE,
      new Receiver<ReferenceEntry<Integer, Integer>>() {
        @Override
        public void accept(ReferenceEntry<Integer, Integer> entry) {
          Integer key = entry.getKey();
          cache.invalidate(key);
        }
      });
}
项目：guava-mock    文件：CacheTesting.java    
/**
 * Poke into the Cache internals to simulate garbage collection of the value associated with the
 * given key. This assumes that the associated entry is a WeakValueReference or a
 * SoftValueReference (and not a LoadingValueReference), and throws an IllegalStateException
 * if that assumption does not hold.
 */
@SuppressWarnings("unchecked")  // the instanceof check and the cast generate this warning
static <K, V> void simulateValueReclamation(Cache<K, V> cache, K key) {
  ReferenceEntry<K, V> entry = getReferenceEntry(cache, key);
  if (entry != null) {
    ValueReference<K, V> valueRef = entry.getValueReference();
    // fail on strong/computing refs
    Preconditions.checkState(valueRef instanceof Reference);
    Reference<V> ref = (Reference<V>) valueRef;
    if (ref != null) {
      ref.clear();
    }
  }
}
项目：guava-mock    文件：CacheTesting.java    
/**
 * Poke into the Cache internals to simulate garbage collection of the given key. This assumes
 * that the given entry is a weak or soft reference, and throws an IllegalStateException if that
 * assumption does not hold.
 */
@SuppressWarnings("unchecked")  // the instanceof check and the cast generate this warning
static <K, V> void simulateKeyReclamation(Cache<K, V> cache, K key) {
  ReferenceEntry<K, V> entry = getReferenceEntry(cache, key);

  Preconditions.checkState(entry instanceof Reference);
  Reference<?> ref = (Reference<?>) entry;
  if (ref != null) {
    ref.clear();
  }
}
项目：googles-monorepo-demo    文件：LocalCacheTest.java    
public void testComputePartiallyCollectedKey() throws ExecutionException {
  CacheBuilder<Object, Object> builder = createCacheBuilder().concurrencyLevel(1);
  CountingLoader loader = new CountingLoader();
  LocalCache<Object, Object> map = makeLocalCache(builder);
  Segment<Object, Object> segment = map.segments[0];
  AtomicReferenceArray<ReferenceEntry<Object, Object>> table = segment.table;
  assertEquals(0, loader.getCount());

  Object key = new Object();
  int hash = map.hash(key);
  Object value = new Object();
  int index = hash & (table.length() - 1);

  DummyEntry<Object, Object> entry = DummyEntry.create(key, hash, null);
  DummyValueReference<Object, Object> valueRef = DummyValueReference.create(value);
  entry.setValueReference(valueRef);
  table.set(index, entry);
  segment.count++;

  assertSame(value, map.get(key, loader));
  assertEquals(0, loader.getCount());
  assertEquals(1, segment.count);

  entry.clearKey();
  assertNotSame(value, map.get(key, loader));
  assertEquals(1, loader.getCount());
  assertEquals(2, segment.count);
}
项目：googles-monorepo-demo    文件：LocalCacheTest.java    
public void testComputePartiallyCollectedValue() throws ExecutionException {
  CacheBuilder<Object, Object> builder = createCacheBuilder().concurrencyLevel(1);
  CountingLoader loader = new CountingLoader();
  LocalCache<Object, Object> map = makeLocalCache(builder);
  Segment<Object, Object> segment = map.segments[0];
  AtomicReferenceArray<ReferenceEntry<Object, Object>> table = segment.table;
  assertEquals(0, loader.getCount());

  Object key = new Object();
  int hash = map.hash(key);
  Object value = new Object();
  int index = hash & (table.length() - 1);

  DummyEntry<Object, Object> entry = DummyEntry.create(key, hash, null);
  DummyValueReference<Object, Object> valueRef = DummyValueReference.create(value);
  entry.setValueReference(valueRef);
  table.set(index, entry);
  segment.count++;

  assertSame(value, map.get(key, loader));
  assertEquals(0, loader.getCount());
  assertEquals(1, segment.count);

  valueRef.clear();
  assertNotSame(value, map.get(key, loader));
  assertEquals(1, loader.getCount());
  assertEquals(1, segment.count);
}
项目：googles-monorepo-demo    文件：LocalCacheTest.java    
public void testNewEntry() {
  for (CacheBuilder<Object, Object> builder : allEntryTypeMakers()) {
    LocalCache<Object, Object> map = makeLocalCache(builder);

    Object keyOne = new Object();
    Object valueOne = new Object();
    int hashOne = map.hash(keyOne);
    ReferenceEntry<Object, Object> entryOne = map.newEntry(keyOne, hashOne, null);
    ValueReference<Object, Object> valueRefOne = map.newValueReference(entryOne, valueOne, 1);
    assertSame(valueOne, valueRefOne.get());
    entryOne.setValueReference(valueRefOne);

    assertSame(keyOne, entryOne.getKey());
    assertEquals(hashOne, entryOne.getHash());
    assertNull(entryOne.getNext());
    assertSame(valueRefOne, entryOne.getValueReference());

    Object keyTwo = new Object();
    Object valueTwo = new Object();
    int hashTwo = map.hash(keyTwo);
    ReferenceEntry<Object, Object> entryTwo = map.newEntry(keyTwo, hashTwo, entryOne);
    ValueReference<Object, Object> valueRefTwo = map.newValueReference(entryTwo, valueTwo, 1);
    assertSame(valueTwo, valueRefTwo.get());
    entryTwo.setValueReference(valueRefTwo);

    assertSame(keyTwo, entryTwo.getKey());
    assertEquals(hashTwo, entryTwo.getHash());
    assertSame(entryOne, entryTwo.getNext());
    assertSame(valueRefTwo, entryTwo.getValueReference());
  }
}
项目：googles-monorepo-demo    文件：CacheEvictionTest.java    
public void testUpdateRecency_onInvalidate() {
  IdentityLoader<Integer> loader = identityLoader();
  final LoadingCache<Integer, Integer> cache = CacheBuilder.newBuilder()
      .maximumSize(MAX_SIZE)
      .concurrencyLevel(1)
      .build(loader);
  CacheTesting.checkRecency(cache, MAX_SIZE,
      new Receiver<ReferenceEntry<Integer, Integer>>() {
        @Override
        public void accept(ReferenceEntry<Integer, Integer> entry) {
          Integer key = entry.getKey();
          cache.invalidate(key);
        }
      });
}
项目：googles-monorepo-demo    文件：LocalCacheTest.java    
private static <K, V> void assertConnected(
    LocalCache<K, V> map, ReferenceEntry<K, V> one, ReferenceEntry<K, V> two) {
  if (map.usesWriteQueue()) {
    assertSame(two, one.getNextInWriteQueue());
  }
  if (map.usesAccessQueue()) {
    assertSame(two, one.getNextInAccessQueue());
  }
}
项目：googles-monorepo-demo    文件：LocalCacheTest.java    
public void testSegmentReplace() {
  LocalCache<Object, Object> map =
      makeLocalCache(createCacheBuilder().concurrencyLevel(1).expireAfterAccess(99999, SECONDS));
  Segment<Object, Object> segment = map.segments[0];
  // TODO(fry): check recency ordering

  Object key = new Object();
  int hash = map.hash(key);
  Object oldValue = new Object();
  Object newValue = new Object();
  AtomicReferenceArray<ReferenceEntry<Object, Object>> table = segment.table;
  int index = hash & (table.length() - 1);

  DummyEntry<Object, Object> entry = DummyEntry.create(key, hash, null);
  DummyValueReference<Object, Object> oldValueRef = DummyValueReference.create(oldValue);
  entry.setValueReference(oldValueRef);

  // no entry
  assertNull(segment.replace(key, hash, newValue));
  assertEquals(0, segment.count);

  // same key
  table.set(index, entry);
  segment.count++;
  assertEquals(1, segment.count);
  assertSame(oldValue, segment.get(key, hash));
  assertSame(oldValue, segment.replace(key, hash, newValue));
  assertEquals(1, segment.count);
  assertSame(newValue, segment.get(key, hash));

  // cleared
  entry.setValueReference(oldValueRef);
  assertSame(oldValue, segment.get(key, hash));
  oldValueRef.clear();
  assertNull(segment.replace(key, hash, newValue));
  assertEquals(0, segment.count);
  assertNull(segment.get(key, hash));
}
项目：googles-monorepo-demo    文件：LocalCacheTest.java    
public void testSegmentPut() {
  LocalCache<Object, Object> map =
      makeLocalCache(createCacheBuilder().concurrencyLevel(1).expireAfterAccess(99999, SECONDS));
  Segment<Object, Object> segment = map.segments[0];
  // TODO(fry): check recency ordering

  Object key = new Object();
  int hash = map.hash(key);
  Object oldValue = new Object();
  Object newValue = new Object();

  // no entry
  assertEquals(0, segment.count);
  assertNull(segment.put(key, hash, oldValue, false));
  assertEquals(1, segment.count);

  // same key
  assertSame(oldValue, segment.put(key, hash, newValue, false));
  assertEquals(1, segment.count);
  assertSame(newValue, segment.get(key, hash));

  // cleared
  ReferenceEntry<Object, Object> entry = segment.getEntry(key, hash);
  DummyValueReference<Object, Object> oldValueRef = DummyValueReference.create(oldValue);
  entry.setValueReference(oldValueRef);
  assertSame(oldValue, segment.get(key, hash));
  oldValueRef.clear();
  assertNull(segment.put(key, hash, newValue, false));
  assertEquals(1, segment.count);
  assertSame(newValue, segment.get(key, hash));
}
项目：googles-monorepo-demo    文件：LocalCacheTest.java    
public void testSegmentPutIfAbsent() {
  LocalCache<Object, Object> map =
      makeLocalCache(createCacheBuilder().concurrencyLevel(1).expireAfterAccess(99999, SECONDS));
  Segment<Object, Object> segment = map.segments[0];
  // TODO(fry): check recency ordering

  Object key = new Object();
  int hash = map.hash(key);
  Object oldValue = new Object();
  Object newValue = new Object();

  // no entry
  assertEquals(0, segment.count);
  assertNull(segment.put(key, hash, oldValue, true));
  assertEquals(1, segment.count);

  // same key
  assertSame(oldValue, segment.put(key, hash, newValue, true));
  assertEquals(1, segment.count);
  assertSame(oldValue, segment.get(key, hash));

  // cleared
  ReferenceEntry<Object, Object> entry = segment.getEntry(key, hash);
  DummyValueReference<Object, Object> oldValueRef = DummyValueReference.create(oldValue);
  entry.setValueReference(oldValueRef);
  assertSame(oldValue, segment.get(key, hash));
  oldValueRef.clear();
  assertNull(segment.put(key, hash, newValue, true));
  assertEquals(1, segment.count);
  assertSame(newValue, segment.get(key, hash));
}