mcconnell 2003/04/03 08:08:10
Modified: merlin/merlin-smp/xdocs/starting/hello config.xml
Log:
Added information about the creation of a default static configuration assigned to a
component type.
Revision Changes Path
1.3 +39 -3 avalon-sandbox/merlin/merlin-smp/xdocs/starting/hello/config.xml
Index: config.xml
===================================================================
RCS file:
/home/cvs/avalon-sandbox/merlin/merlin-smp/xdocs/starting/hello/config.xml,v
retrieving revision 1.2
retrieving revision 1.3
diff -u -r1.2 -r1.3
--- config.xml 3 Apr 2003 14:36:44 -0000 1.2
+++ config.xml 3 Apr 2003 16:08:10 -0000 1.3
@@ -52,11 +52,11 @@
* @param config the component configuration
* @exception ConfigurationException if a configuration error occurs
*/
- <strong>public void configure( Configuration config ) throws
ConfigurationException
+ public void configure( Configuration config ) throws ConfigurationException
{
getLogger().info( "configuration stage" );
m_source = config.getChild( "source" ).getValue( "unknown" );
- }</strong>
+ }
/**
* Initialization of the component by the container.
@@ -91,7 +91,43 @@
</source>
</subsection>
- <subsection name="Updating the block">
+
+ <subsection name="Creating a default configuration">
+ <p>
+ Merlin provides support for the association of a a default
+ configuration associated with a component type. This is
+ achieved by including a <classname>.xconfig resource
+ co-located with the component class.
+ </p>
+
+ <p><i>HelloComponent.xconfig</i></p>
+
+<source><![CDATA[
+<configuration>
+ <source>packaged default</source>
+</configuration>
+]]></source>
+ <p>
+ Build and run the tutorial again.
+ </p>
+ <source>
+$ ant jar
+$ merlin build\classes
+ </source>
+ <p>
+ In the logging output we see that the configuration
+ supplied to the component has been overrided by the
+ information we supplied inside the xconfig resource.
+ </p>
+ <source>
+[INFO ] (tutorial.hello): configuration stage
+[INFO ] (tutorial.hello): initialization stage
+[INFO ] (tutorial.hello): source: packaged default
+ </source>
+
+ </subsection>
+
+ <subsection name="Declaring a configuration in the Component Directive">
<p>
We can modify the above behaviour at a more general level
by including a configuration within the block.xml directive.
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