bloritsch 2002/09/30 13:49:07
Modified: event/src/xdocs event-howto.xml
Log:
add the EventHandler docs
Revision Changes Path
1.3 +33 -1 jakarta-avalon-excalibur/event/src/xdocs/event-howto.xml
Index: event-howto.xml
===================================================================
RCS file: /home/cvs/jakarta-avalon-excalibur/event/src/xdocs/event-howto.xml,v
retrieving revision 1.2
retrieving revision 1.3
diff -u -r1.2 -r1.3
--- event-howto.xml 30 Sep 2002 20:43:09 -0000 1.2
+++ event-howto.xml 30 Sep 2002 20:49:07 -0000 1.3
@@ -183,6 +183,38 @@
]]>
</source>
</s1>
+ <s1 title="EventHandlers">
+ <p>
+ Event Handlers are used in automated event routing systems like
+ SEDA architectures. Basically, it is a way for your object/component
+ to handle events without having to implement the Sink interface,
+ which can be kind of tricky. Here is an example:
+ </p>
+ <source>
+ <![CDATA[
+import org.apache.excalibur.event.EventHandler;
+
+/** Send events to System.out */
+public class MyEventHandler implements EventHandler
+{
+ /** Handle several events at one time */
+ public void handleEvents( Object[] events )
+ {
+ for (int i = 0; i < events.length; i++)
+ {
+ handleEvent( events[i] );
+ }
+ }
+
+ /** Handle one event at a time */
+ public void handleEvent( Object event )
+ {
+ System.out.println( event );
+ }
+}
+ ]]>
+ </source>
+ </s1>
</body>
<footer>
<legal>
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