com.baidu.rigel.biplatform.tesseract.isservice.netty.service.IndexClientHandler.java Source code

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Here is the source code for com.baidu.rigel.biplatform.tesseract.isservice.netty.service.IndexClientHandler.java

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/**
 * Copyright (c) 2014 Baidu, Inc. All Rights Reserved.
 *
 * Licensed 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.rigel.biplatform.tesseract.isservice.netty.service;

import io.netty.channel.ChannelHandlerContext;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.baidu.rigel.biplatform.tesseract.netty.AbstractChannelInboundHandler;
import com.baidu.rigel.biplatform.tesseract.netty.message.AbstractMessage;
import com.baidu.rigel.biplatform.tesseract.netty.message.NettyAction;
import com.baidu.rigel.biplatform.tesseract.netty.message.isservice.IndexMessage;
import com.baidu.rigel.biplatform.tesseract.netty.message.isservice.ServerExceptionMessage;
import com.baidu.rigel.biplatform.tesseract.util.isservice.LogInfoConstants;

/**
 * 
 * IndexClientHandler
 * ?NETTY_ACTION_INDEX_FEEDBACK????serverserver?
 * 
 * @author lijin
 *
 */
public class IndexClientHandler extends AbstractChannelInboundHandler {
    /**
     * logger
     */
    private Logger logger = LoggerFactory.getLogger(IndexClientHandler.class);
    /**
     * ?handler??NETTY_ACTION_INDEX_FEEDBACK
     */
    private static final NettyAction ACTION_SUPPORT = NettyAction.NETTY_ACTION_INDEX_FEEDBACK;
    /**
     * ??action
     */
    private static final NettyAction ACTION_FEEDBACK = NettyAction.NETTY_ACTION_NULL;
    /**
     * server?
     */
    private AbstractMessage message;

    /**
     * 
     * Constructor by no param
     */
    public IndexClientHandler() {
        super(ACTION_SUPPORT, ACTION_FEEDBACK);

    }

    @Override
    public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
        logger.info("Exception occured in IndexClientHandler");

    }

    /*
     * (non-Javadoc)
     * 
     * @see
     * com.baidu.rigel.biplatform.tesseract.netty.AbstractChannelInboundHandler
     * #messageReceived(io.netty.channel.ChannelHandlerContext,
     * java.lang.Object)
     */
    @Override
    public void messageReceived(ChannelHandlerContext ctx, Object msg) throws Exception {
        logger.info(String.format(LogInfoConstants.INFO_PATTERN_MESSAGE_RECEIVED_BEGIN, "IndexClientHandler"));
        if (msg instanceof IndexMessage) {
            message = (IndexMessage) msg;
        } else {
            message = (ServerExceptionMessage) msg;
        }
        ctx.channel().close();
        logger.info(String.format(LogInfoConstants.INFO_PATTERN_MESSAGE_RECEIVED_END, "IndexClientHandler"));

    }

    /**
     * getter method for property message
     * 
     * @return the message
     */
    @SuppressWarnings("unchecked")
    public AbstractMessage getMessage() {
        return message;
    }

}