1/*
2 * Copyright (C) 2015 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
17package com.android.camera.processing.memory;
18
19import java.nio.ByteBuffer;
20
21/**
22 * Resource pool for large, directly allocated byte buffers. The integer key
23 * represents the size of the bytebuffer.
24 */
25public final class ByteBufferDirectPool extends SimpleLruResourcePool<Integer, ByteBuffer> {
26    public ByteBufferDirectPool(int lruSize) {
27        super(lruSize);
28    }
29
30    @Override
31    protected ByteBuffer create(Integer bytes) {
32        return ByteBuffer.allocateDirect(bytes);
33    }
34
35    @Override
36    protected ByteBuffer recycle(Integer integer, ByteBuffer byteBuffer) {
37        // Reset byte buffer location and limits
38        byteBuffer.rewind();
39        byteBuffer.limit(byteBuffer.capacity());
40        return byteBuffer;
41    }
42}
43