| /** |
| * 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 org.apache.storm.messaging.netty; |
| |
| import org.apache.storm.shade.io.netty.buffer.ByteBuf; |
| import org.apache.storm.shade.io.netty.channel.ChannelHandler; |
| import org.apache.storm.shade.io.netty.channel.ChannelHandlerContext; |
| import org.apache.storm.shade.io.netty.handler.codec.MessageToByteEncoder; |
| |
| @ChannelHandler.Sharable |
| public class NettySerializableMessageEncoder extends MessageToByteEncoder<INettySerializable> { |
| |
| public static final NettySerializableMessageEncoder INSTANCE = new NettySerializableMessageEncoder(); |
| |
| private NettySerializableMessageEncoder() {} |
| |
| @Override |
| protected void encode(ChannelHandlerContext ctx, INettySerializable msg, ByteBuf out) throws Exception { |
| msg.write(out); |
| } |
| |
| @Override |
| protected ByteBuf allocateBuffer(ChannelHandlerContext ctx, INettySerializable msg, boolean preferDirect) throws Exception { |
| return ctx.alloc().ioBuffer(msg.encodeLength()); |
| } |
| |
| } |