messageevent.java

来自「jetspeed源代码」· Java 代码 · 共 92 行

/* ====================================================================
 * The Apache Software License, Version 1.1
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 * reserved.
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 *       "This product includes software developed by the
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 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
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 * <http://www.apache.org/>.
 */

package org.apache.jetspeed.portlet.event;

import org.apache.jetspeed.portlet.PortletMessage;

/**
 ** A <CODE>MessageEvent</CODE> is sent by the portlet container if
 ** one portlets send a message to another.
 **
 ** @see   PortletMessage
 ** @see   MessageListener
 ** @see   MessageAdapter
 **
 ** @author   <A HREF="mailto:[e-mail]">Thomas F. Boehme</A>
 **/

public interface MessageEvent extends Event
{
    /**
     ** Event identifier indicating that a message has been received.
     **
     ** <P>
     ** An event with this id is fired when one portlet (the source)
     ** sends a message to another portlet (the target). The target
     ** portlet is specified by name.
     **/

    public final static int MESSAGE_RECEIVED = 1001;

    /**
     ** Returns the message that this event carries. The message format
     ** is entirely open and has to be defined and documented by the
     ** source portlet.
     **
     ** @return   the portlet message
     **/

    public PortletMessage getMessage ();
}