X-Git-Url: http://wamblee.org/gitweb/?a=blobdiff_plain;f=system%2Fgeneral%2Fsrc%2Fmain%2Fjava%2Forg%2Fwamblee%2Fsystem%2Fcore%2FComponent.java;h=d14eb08a2364891205aef8647b47446e8df66f0a;hb=fc10e15e031cf409146b04cbb5e98b649c6ccddc;hp=ff80ee693acdcba8f70443cf4bb704ba4821a2d5;hpb=d89a08c127770dfe9b25e88495c7545bbcc938fa;p=utils

diff --git a/system/general/src/main/java/org/wamblee/system/core/Component.java b/system/general/src/main/java/org/wamblee/system/core/Component.java
index ff80ee69..d14eb08a 100644
--- a/system/general/src/main/java/org/wamblee/system/core/Component.java
+++ b/system/general/src/main/java/org/wamblee/system/core/Component.java
@@ -17,11 +17,19 @@ package org.wamblee.system.core;
 
 /**
  * A component represents a part of a system that requires a 
- * number of interfaces and provides a number of interfaces. 
+ * number of interfaces and provides a number of interfaces.
+ * 
+ * The component interface provides the meta-data for a component. 
+ * After calling {@link #start(Scope)}, an actual runtime representation of the
+ * component can be created which is independent of this component. 
+ * As a special case, the runtime representation may be identical to the 
+ * component instance but in general it is not. This allows a component to be 
+ * used as a factory for creating objects. 
+ * 
  *
  * @author Erik Brakkee
  */
-public interface Component {
+public interface Component<Type> {
 	
 	/**
 	 * Gets the name of the subsystem.
@@ -56,22 +64,18 @@ public interface Component {
 
 	
 	/**
-	 * Initialises the subsytem by starting all the services that
-	 * it described as provided. 
-	 */
-	void start();
-	
-	/**
-	 * Gets the list of running services in the subsystem. 
-	 * 
-	 * This method may only be called after the
-	 * {@link #initialize(String, Service[])} has been called. 
-	 * @return
+	 * Initialises the subsystem by starting all the services that
+	 * it described as provided.
+	 * @param aScope Scope with external interface implementations that are available. The component 
+	 *  implementation can either oublish itself in this scope or it can decide to
+	 *  create a new scope with the scope passed in as a parent. 
+	 * @return Gets an object representing the runtime of the component.  
 	 */
-	ProvidedInterface[] getRunningInterfaces();
+	Type start(Scope aScope);
 	
 	/**
-	 * Stops a subsystem. 
+	 * Stops a component. 
+	 * @param aRuntime THe runtime part of the component.  
 	 */
-	void stop(); 
+	void stop(Type aRuntime); 
 }