X-Git-Url: http://wamblee.org/gitweb/?a=blobdiff_plain;f=system%2Fgeneral%2Fsrc%2Fmain%2Fjava%2Forg%2Fwamblee%2Fsystem%2Fcore%2FProvidedInterface.java;h=fe7f7d26a73483907d0102b29050c86455f8d55c;hb=fc10e15e031cf409146b04cbb5e98b649c6ccddc;hp=349197d0f2b8a450ee39ea5e21a6c4dfc10f2ffa;hpb=d89a08c127770dfe9b25e88495c7545bbcc938fa;p=utils

diff --git a/system/general/src/main/java/org/wamblee/system/core/ProvidedInterface.java b/system/general/src/main/java/org/wamblee/system/core/ProvidedInterface.java
index 349197d0..fe7f7d26 100644
--- a/system/general/src/main/java/org/wamblee/system/core/ProvidedInterface.java
+++ b/system/general/src/main/java/org/wamblee/system/core/ProvidedInterface.java
@@ -19,6 +19,7 @@ import java.util.Collection;
 
 /**
  * Represents an interface provided by a component.
+ * Different component objects should never share ProvidedInterface instances!
  *  
  * @author Erik Brakkee
  */
@@ -37,14 +38,24 @@ public interface ProvidedInterface {
 	Class[] getInterfaceTypes();
 	
 	/**
-	 * Publish an implementation of the interface. 
-	 * @param aImplementation
+	 * Sets a unique id of the provided interface to identify it within a given scope.
+	 * Will be called by the container as part of calling {@link #publish(Object, Scope)}. 
+	 * @param aId Unique id. 
 	 */
-	void publish(Object aImplementation); 
-	
+	void setUniqueId(String aId);
+
+	/**
+	 * Gets the unique if of the provided interface. This is set by the container
+	 * using {@link #setUniqueId(String)}.  
+	 */
+	String getUniqueId();
+
 	/**
-	 * Gets the implementation. 
-	 * @return Implementation or null if not started. 
+	 * Publishes an implementation of the interface. The implementation must 
+	 * call {@link Scope#publishInterface(ProvidedInterface, Object)} to publish the
+	 * interface implementation in a given scope.  
+	 * @param aImplementation Implementation to publish. 
+	 * @param aScope Scope in which to publish the implementation. 
 	 */
-	Object getImplementation(); 
+	void publish(Object aImplementation, Scope aScope);
 }