X-Git-Url: http://wamblee.org/gitweb/?a=blobdiff_plain;f=system%2Fgeneral%2Fsrc%2Fmain%2Fjava%2Forg%2Fwamblee%2Fsystem%2Fcore%2FRequiredInterface.java;h=d3a4e5229483f642be14e8494736f46905f7cd9a;hb=fc10e15e031cf409146b04cbb5e98b649c6ccddc;hp=ce8d084cdbaa2b11fcd25c65c7c194a871f64b1a;hpb=b94262f3f2e05cce930a1d7c5120c42606a8048c;p=utils

diff --git a/system/general/src/main/java/org/wamblee/system/core/RequiredInterface.java b/system/general/src/main/java/org/wamblee/system/core/RequiredInterface.java
index ce8d084c..d3a4e522 100644
--- a/system/general/src/main/java/org/wamblee/system/core/RequiredInterface.java
+++ b/system/general/src/main/java/org/wamblee/system/core/RequiredInterface.java
@@ -20,7 +20,13 @@ public interface RequiredInterface {
 	/**
 	 * Name for the interface. 
 	 */
-	public String getName(); 
+	String getName();
+	
+	/**
+	 * @return True iff the required interface is optional. 
+	 */
+	boolean isOptional(); 
+	
 	
 	/**
 	 * Checks if the service is provided by a given provided interface. 
@@ -40,12 +46,4 @@ public interface RequiredInterface {
 	 * @return Provider or null if not set. 
 	 */
 	ProvidedInterface getProvider(); 
-	
-	/**
-	 * Gets the implementation of the required interface. 
-	 * @param <T>
-	 * @param aClass Interface type. 
-	 * @return Interface implementation or null if not known yet. 
-	 */
-	<T> T getImplementation(Class<T> aClass); 
 }