/*
 * Copyright 2002-2014 the original author or authors.
 *
 * 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.jprotobuf.pbrpc.server;

import io.netty.channel.ChannelHandlerContext;

/**
 * The context class around RPC service method handle scope to get <code>ChannelHandlerContext</code>.
 *
 * @author xiemalin
 * @since 4.1.3
 */
public class RpcServiceHandleContext {

    /** The Constant CHANNEL_CONTEXT. */
    private static final ThreadLocal<ChannelHandlerContext> CHANNEL_CONTEXT = new ThreadLocal<ChannelHandlerContext>();
    
    
    /**
     * Sets the channel handler context.
     *
     * @param chc the new channel handler context
     */
    public static void setChannelHandlerContext(ChannelHandlerContext chc) {
        CHANNEL_CONTEXT.set(chc);
    }
    
    
    /**
     * Gets the channel handler context.
     *
     * @return the channel handler context
     */
    public static ChannelHandlerContext getChannelHandlerContext() {
        return CHANNEL_CONTEXT.get();
    }
    
    /**
     * Clear channel handler context.
     */
    public static void clearChannelHandlerContext() {
        CHANNEL_CONTEXT.remove();
    }
}
