/*
 * Copyright (c) 2013, OpenCloudDB/MyCAT and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software;Designed and Developed mainly by many Chinese 
 * opensource volunteers. you can redistribute it and/or modify it under the 
 * terms of the GNU General Public License version 2 only, as published by the
 * Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 * 
 * Any questions about this component can be directed to it's project Web address 
 * https://code.google.com/p/opencloudb/.
 *
 */
package org.opencloudb.mysql.nio.handler;

import java.util.List;

import org.opencloudb.backend.BackendConnection;

/**
 * @author mycat
 */
public class DelegateResponseHandler implements ResponseHandler {
    private final ResponseHandler target;

    public DelegateResponseHandler(ResponseHandler target) {
        if (target == null) {
            throw new IllegalArgumentException("delegate is null!");
        }
        this.target = target;
    }

    @Override
    public void connectionAcquired(BackendConnection conn) {
        target.connectionAcquired(conn);
    }

    @Override
    public void connectionError(Throwable e, BackendConnection conn) {
        target.connectionError(e, conn);
    }

    @Override
    public void okResponse(byte[] ok, BackendConnection conn) {
        target.okResponse(ok, conn);
    }

    @Override
    public void errorResponse(byte[] err, BackendConnection conn) {
        target.errorResponse(err, conn);
    }

    @Override
    public void fieldEofResponse(byte[] header, List<byte[]> fields, byte[] eof, BackendConnection conn) {
        target.fieldEofResponse(header, fields, eof, conn);
    }

    @Override
    public void rowResponse(byte[] row, BackendConnection conn) {
        target.rowResponse(row, conn);
    }

    @Override
    public void rowEofResponse(byte[] eof, BackendConnection conn) {
        target.rowEofResponse(eof, conn);
    }

	@Override
	public void writeQueueAvailable() {
		target.writeQueueAvailable();
		
	}

	@Override
	public void connectionClose(BackendConnection conn, String reason) {
		target.connectionClose(conn, reason);
	}

	
}