| /* |
| * Copyright 2017 HugeGraph Authors |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with this |
| * work for additional information regarding copyright ownership. The ASF |
| * licenses this file to You 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.baidu.hugegraph.computer.core.network.buffer; |
| |
| import java.nio.ByteBuffer; |
| import java.util.concurrent.atomic.AtomicInteger; |
| |
| import io.netty.buffer.ByteBuf; |
| import io.netty.buffer.Unpooled; |
| |
| public class NioBuffer implements NetworkBuffer { |
| |
| private final ByteBuffer buffer; |
| private final AtomicInteger referenceCount; |
| |
| public NioBuffer(ByteBuffer buffer) { |
| this.buffer = buffer; |
| this.referenceCount = new AtomicInteger(1); |
| } |
| |
| @Override |
| public int length() { |
| return this.buffer.remaining(); |
| } |
| |
| @Override |
| public NetworkBuffer retain() { |
| this.referenceCount.incrementAndGet(); |
| return this; |
| } |
| |
| @Override |
| public NetworkBuffer release() { |
| this.referenceCount.decrementAndGet(); |
| return this; |
| } |
| |
| @Override |
| public int referenceCount() { |
| return this.referenceCount.get(); |
| } |
| |
| @Override |
| public ByteBuffer nioByteBuffer() { |
| return this.buffer.duplicate(); |
| } |
| |
| @Override |
| public ByteBuf nettyByteBuf() { |
| return Unpooled.wrappedBuffer(this.buffer); |
| } |
| |
| @Override |
| public byte[] copyToByteArray() { |
| byte[] bytes = new byte[this.buffer.remaining()]; |
| this.buffer.duplicate().get(bytes); |
| return bytes; |
| } |
| } |