package com.tesora.dve.db.mysql.portal;
/*
* #%L
* Tesora Inc.
* Database Virtualization Engine
* %%
* Copyright (C) 2011 - 2014 Tesora Inc.
* %%
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
* #L%
*/
import com.tesora.dve.db.mysql.portal.protocol.MSPMessage;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public abstract class MSPActionBase implements MSPAction {
static Logger log = LoggerFactory.getLogger(MSPActionBase.class);
protected <P> P castProtocolMessage(Class<P> clazz, MSPMessage protocolMessage) throws IllegalArgumentException {
if (!clazz.isInstance(protocolMessage)){
String errorMessage = String.format("%s handler received unexpected protocol message of type %s",
this.getClass().getSimpleName(),
(protocolMessage == null? null : protocolMessage.getClass().getSimpleName())
);
throw new IllegalArgumentException(errorMessage);
}
return clazz.cast(protocolMessage);
}
}