mysqlproxyruntimecontext.java

mysql集群

/*
 * 	This program is free software; you can redistribute it and/or modify it under the terms of 
 * the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, 
 * or (at your option) any later version. 
 * 
 * 	This program 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 for more details. 
 * 	You should have received a copy of the GNU General Public License along with this program; 
 * if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */
package com.meidusa.amoeba.mysql.context;

import com.meidusa.amoeba.context.ProxyRuntimeContext;
import com.meidusa.amoeba.mysql.util.CharsetMapping;

/**
 * 
 * @author <a href=mailto:[e-mail]>Struct chen</a>
 *
 */
public class MysqlProxyRuntimeContext extends ProxyRuntimeContext {
	
	public static final String DEFAULT_SERVER_CONNECTION_FACTORY_CLASS = "com.meidusa.amoeba.mysql.net.MysqlServerConnectionFactory";
	
	private byte serverCharsetIndex;
	
	public MysqlProxyRuntimeContext(){
		ProxyRuntimeContext.setInstance(this);
	}

	public void setServerCharsetIndex(byte serverCharsetIndex) {
		this.serverCharsetIndex = serverCharsetIndex;
		this.setServerCharset(CharsetMapping.INDEX_TO_CHARSET[serverCharsetIndex & 0xff]);
	}

	public byte getServerCharsetIndex() {
		if(serverCharsetIndex >0) return serverCharsetIndex;
		return CharsetMapping.getCharsetIndex(this.getServerCharset());
	}

	@Override
	protected String getDefaultServerConnectionFactoryClassName() {
		return DEFAULT_SERVER_CONNECTION_FACTORY_CLASS;
	}
	
	

}