ClientMessage.java

package com.tesora.dve.comms.client.messages;

/*
 * #%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 java.io.Serializable;

public abstract class ClientMessage implements Serializable {
	private static final long serialVersionUID = 1L;

	// ---------
	// classes extending ClientMessage should implement these methods to return
	// the relevant values.
	public abstract MessageType getMessageType();

	public abstract MessageVersion getVersion();

	// -------

	// these are callbacks that can be used to perform message specific
	// processing before message encoding or after message decoding
	public void unmarshallMessage() {
	}

	public void marshallMessage() {
	}

	@Override
	public String toString() {
		return new StringBuilder().append(getClass().getSimpleName()).append("{").append("MessageVersion=")
				.append(this.getVersion()).append(", MessageType=").append(this.getMessageType()).append(" elements")
				.append('}').toString();
	}
}