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 com.cooliris.media; 18 19 public final class Pool<E extends Object> { 20 private final E[] mFreeList; 21 private int mFreeListIndex; 22 23 public Pool(E[] objects) { 24 mFreeList = objects; 25 mFreeListIndex = objects.length; 26 } 27 28 public E create() { 29 int index = --mFreeListIndex; 30 if (index >= 0 && index < mFreeList.length) { 31 E object = mFreeList[index]; 32 mFreeList[index] = null; 33 return object; 34 } 35 return null; 36 } 37 38 public void delete(E object) { 39 int index = mFreeListIndex; 40 if (index >= 0 && index < mFreeList.length) { 41 mFreeList[index] = object; 42 mFreeListIndex++; 43 } 44 } 45 } 46
