EsperMessage.java

/**
 * ************************************************************************************
 * https://camel-extra.github.io
 *
 * 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 2 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., 51
 * Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * http://www.gnu.org/licenses/gpl-2.0-standalone.html
 * *************************************************************************************
 */
package org.apacheextras.camel.component.esper;

import com.espertech.esper.client.EventBean;
import org.apache.camel.impl.DefaultMessage;

/**
 * {@inheritDoc} Class EsperMessage wraps two EventBeans into a single
 * DefaultMessage object
 */
public class EsperMessage extends DefaultMessage {

    private final EventBean newEvent;
    private final EventBean oldEvent;

    /**
     * Creates a new instance of an EsperMessage.
     *
     * @param newEvent EventBean
     * @param oldEvent EventBean
     */
    public EsperMessage(EventBean newEvent, EventBean oldEvent) {
        this.newEvent = newEvent;
        this.oldEvent = oldEvent;
        // use new event as the default body
        setBody(newEvent);
    }

    /**
     * Returns the new EventBean.
     *
     * @return newEvent
     */
    public EventBean getNewEvent() {
        return newEvent;
    }

    /**
     * Returns the old EventBean.
     *
     * @return oldEvent
     */
    public EventBean getOldEvent() {
        return oldEvent;
    }

    /**
     * {@inheritDoc} Returns the EsperMessage as DefaultMessage.
     * 
     * @return EsperMessage
     */
    @Override
    public DefaultMessage newInstance() {
        return new EsperMessage(newEvent, oldEvent);
    }
}