xref: /frameworks/opt/bitmap/src/com/android/bitmap/BitmapCache.java

/*
 * Copyright (C) 2013 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.android.bitmap;

public interface BitmapCache extends PooledCache<RequestKey, ReusableBitmap> {

    /**
     * Notify the cache when it should start and stop blocking for cache misses.
     * If {@link #setBlocking(true)} has been called and if the pool is empty, {@link #poll()}
     * should block until the pool is repopulated, or until {@link #setBlocking(false)} is called.
     */
    void setBlocking(boolean blocking);

}