Java 类com.bumptech.glide.util.LruCache 实例源码

public ModelCache(int size) {
  cache = new LruCache<ModelKey<A>, B>(size) {
    @Override
    protected void onItemEvicted(ModelKey<A> key, B item) {
      key.release();
    }
  };
}

public ModelCache(long size) {
  cache = new LruCache<ModelKey<A>, B>(size) {
    @Override
    protected void onItemEvicted(ModelKey<A> key, B item) {
      key.release();
    }
  };
}

@Test
public void testPreventEviction() {
  final MemoryCache cache = new LruResourceCache(100);
  final Resource<?> first = getResource(30);
  final Key firstKey = new MockKey();
  cache.put(firstKey, first);
  Resource<?> second = getResource(30);
  Key secondKey = new MockKey();
  cache.put(secondKey, second);
  Resource<?> third = getResource(30);
  Key thirdKey = new MockKey();
  cache.put(thirdKey, third);
  cache.setResourceRemovedListener(new ResourceRemovedListener() {
    @Override
    public void onResourceRemoved(Resource<?> removed) {
      if (removed == first) {
        cache.put(firstKey, first);
      }
    }
  });

  // trims from 100 to 50, having 30+30+30 items, it should trim to 1 item
  cache.trimMemory(ComponentCallbacks2.TRIM_MEMORY_UI_HIDDEN);

  // and that 1 item must be first, because it's forced to return to cache in the listener
  @SuppressWarnings("unchecked")
  LruCache<Key, Resource<?>> lruCache = (LruCache<Key, Resource<?>>) cache;
  assertTrue(lruCache.contains(firstKey));
  assertFalse(lruCache.contains(secondKey));
  assertFalse(lruCache.contains(thirdKey));
}

public ModelCache(int size) {
    cache = new LruCache<ModelKey, A>(size);
}

public ModelCache(int size) {
    cache = new LruCache<ModelKey, A>(size);
}

public ModelCache(int size) {
    cache = new LruCache<ModelKey, A>(size);
}

public ModelCache(int size) {
    cache = new LruCache<ModelKey, A>(size);
}