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/*
* Copyright 2016 The Netty Project
*
* The Netty Project 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 ch.cern.hbase.thirdparty.io.netty.handler.codec.redis;
import ch.cern.hbase.thirdparty.io.netty.buffer.ByteBuf;
import ch.cern.hbase.thirdparty.io.netty.buffer.ByteBufAllocator;
import ch.cern.hbase.thirdparty.io.netty.buffer.ByteBufUtil;
import ch.cern.hbase.thirdparty.io.netty.channel.ChannelHandlerContext;
import ch.cern.hbase.thirdparty.io.netty.handler.codec.CodecException;
import ch.cern.hbase.thirdparty.io.netty.handler.codec.MessageToMessageEncoder;
import ch.cern.hbase.thirdparty.io.netty.util.internal.ObjectUtil;
import ch.cern.hbase.thirdparty.io.netty.util.internal.UnstableApi;
import java.util.List;
/**
* Encodes {@link RedisMessage} into bytes following
* RESP (REdis Serialization Protocol).
*/
@UnstableApi
public class RedisEncoder extends MessageToMessageEncoder {
private final RedisMessagePool messagePool;
/**
* Creates a new instance with default {@code messagePool}.
*/
public RedisEncoder() {
this(FixedRedisMessagePool.INSTANCE);
}
/**
* Creates a new instance.
* @param messagePool the predefined message pool.
*/
public RedisEncoder(RedisMessagePool messagePool) {
this.messagePool = ObjectUtil.checkNotNull(messagePool, "messagePool");
}
@Override
protected void encode(ChannelHandlerContext ctx, RedisMessage msg, List