X-Git-Url: http://wamblee.org/gitweb/?a=blobdiff_plain;f=system%2Fgeneral%2Fsrc%2Fmain%2Fjava%2Forg%2Fwamblee%2Fsystem%2FRequiredInterface.java;h=033c5d7e55fb483f719d3fbef8f9031ad9754c25;hb=7526813969742844aefbd25e8a4a056985dc7f65;hp=fd6074031e2b16f8374536a6bcd233889d312b36;hpb=3e51514a1d90d7ac919f6b55cde3b9e98310f3f8;p=utils

diff --git a/system/general/src/main/java/org/wamblee/system/RequiredInterface.java b/system/general/src/main/java/org/wamblee/system/RequiredInterface.java
index fd607403..033c5d7e 100644
--- a/system/general/src/main/java/org/wamblee/system/RequiredInterface.java
+++ b/system/general/src/main/java/org/wamblee/system/RequiredInterface.java
@@ -1,3 +1,18 @@
+/*
+ * Copyright 2007 the original author or authors.
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */ 
 package org.wamblee.system;
 
 public interface RequiredInterface {
@@ -13,4 +28,24 @@ public interface RequiredInterface {
 	 * @return
 	 */
 	boolean implementedBy(ProvidedInterface aInterface);
+	
+	/**
+	 * Sets the provider of this interface. 
+	 * @param aProvider Provider. 
+	 */
+	void setProvider(ProvidedInterface aProvider);
+	
+	/**
+	 * Getst the provider interface. 
+	 * @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); 
 }