(no commit message)

[utils] / system / general / src / main / java / org / wamblee / system / core / ProvidedInterfaceImplementation.java

diff --git a/system/general/src/main/java/org/wamblee/system/core/ProvidedInterfaceImplementation.java b/system/general/src/main/java/org/wamblee/system/core/ProvidedInterfaceImplementation.java
new file mode 100644 (file)
index 0000000..abeb70d
--- /dev/null
+++ b/system/general/src/main/java/org/wamblee/system/core/ProvidedInterfaceImplementation.java
@@ -0,0 +1,53 @@
+/*
+ * Copyright 2008 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;
+
+/**
+ * Represents a provided interface together with its implementation. 
+ * 
+ * @author Erik Brakkee
+ */
+class ProvidedInterfaceImplementation {
+
+       private ProvidedInterface _provided; 
+       private Object _implementation; 
+       
+       /**
+        * Constructs the object. 
+        * @param aProvided Provided interface. 
+        * @param aImplementation Implementation. 
+        */
+       public ProvidedInterfaceImplementation(ProvidedInterface aProvided, Object aImplementation) { 
+               _provided = aProvided; 
+               _implementation = aImplementation; 
+       }
+
+       /**
+        * @return The provided interface.
+        */
+       public ProvidedInterface getProvided() {
+               return _provided;
+       }
+       
+       /**
+        * @param <T> Expected type of the implementation. 
+        * @param aType Type of the implementation. 
+        * @return Implementation. 
+        */
+       public <T> T getImplementation(Class<T> aType) {
+               return (T)_implementation;
+       }
+}