X-Git-Url: http://wamblee.org/gitweb/?a=blobdiff_plain;f=system%2Fgeneral%2Fsrc%2Fmain%2Fjava%2Forg%2Fwamblee%2Fsystem%2Fcore%2FRequiredInterface.java;fp=system%2Fgeneral%2Fsrc%2Fmain%2Fjava%2Forg%2Fwamblee%2Fsystem%2Fcore%2FRequiredInterface.java;h=0fea736057bbc32849ef977004a91520b7a3f2ff;hb=4845c677310814de4c98e22aad483e49b9dfc594;hp=0000000000000000000000000000000000000000;hpb=b0e1c060d6207c0fc06e4673764a6980da775210;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
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+++ b/system/general/src/main/java/org/wamblee/system/core/RequiredInterface.java
@@ -0,0 +1,51 @@
+/*
+ * 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.core;
+
+public interface RequiredInterface {
+
+	/**
+	 * Name for the interface. 
+	 */
+	public String getName(); 
+	
+	/**
+	 * Checks if the service is provided by a given provided interface. 
+	 * @param aInterface Provided interface. 
+	 * @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); 
+}