1 /* 2 * Copyright (C) 2009 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 android.util; 18 19 /** 20 * 21 * @hide 22 */ 23 class SynchronizedPool<T extends Poolable<T>> implements Pool<T> { 24 private final Pool<T> mPool; 25 private final Object mLock; 26 SynchronizedPool(Pool<T> pool)27 public SynchronizedPool(Pool<T> pool) { 28 mPool = pool; 29 mLock = this; 30 } 31 SynchronizedPool(Pool<T> pool, Object lock)32 public SynchronizedPool(Pool<T> pool, Object lock) { 33 mPool = pool; 34 mLock = lock; 35 } 36 acquire()37 public T acquire() { 38 synchronized (mLock) { 39 return mPool.acquire(); 40 } 41 } 42 release(T element)43 public void release(T element) { 44 synchronized (mLock) { 45 mPool.release(element); 46 } 47 } 48 } 49