1 /* 2 * Copyright (C) 2013 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.bitmap; 18 19 public interface BitmapCache extends PooledCache<RequestKey, ReusableBitmap> { 20 21 /** 22 * Notify the cache when it should start and stop blocking for cache misses. 23 * If {@link #setBlocking(true)} has been called and if the pool is empty, {@link #poll()} 24 * should block until the pool is repopulated, or until {@link #setBlocking(false)} is called. 25 */ setBlocking(boolean blocking)26 void setBlocking(boolean blocking); 27 28 } 29