Merge pull request #167 from mleich/usercodewrapper

Added getUserCodeClass to UserCodeWrapper

pact/pact-common/src/main/java/eu/stratosphere/pact/generic/contract/UserCodeClassWrapper.java

@@ -61,4 +61,9 @@ public class UserCodeClassWrapper<T> implements UserCodeWrapper<T> {
 			Class<A> annotationClass) {
 		return userCodeClass.getAnnotation(annotationClass);
 	}
+	
+	@Override
+	public Class<? extends T> getUserCodeClass() {
+		return userCodeClass;
+	}
 }

pact/pact-common/src/main/java/eu/stratosphere/pact/generic/contract/UserCodeObjectWrapper.java

@@ -57,4 +57,10 @@ public class UserCodeObjectWrapper<T> implements UserCodeWrapper<T> {
 			Class<A> annotationClass) {
 		return userCodeObject.getClass().getAnnotation(annotationClass);
 	}
+	
+	@SuppressWarnings("unchecked")
+	@Override
+	public Class<? extends T> getUserCodeClass() {
+		return (Class<? extends T>) userCodeObject.getClass();
+	}
 }

pact/pact-common/src/main/java/eu/stratosphere/pact/generic/contract/UserCodeWrapper.java

@@ -55,4 +55,12 @@ public interface UserCodeWrapper<T> extends Serializable {
 	 * @return the annotation, or null if no annotation of the requested type was found
 	 */
 	public <A extends Annotation> A getUserCodeAnnotation(Class<A> annotationClass);
+	
+	/**
+	 * Gets the class of the user code. If the user code is provided as a class, this class is just returned.
+	 * If the user code is provided as an object, {@link Object#getClass()} is called on the user code object.
+	 * 
+	 * @return The class of the user code object.
+	 */
+	public Class<? extends T> getUserCodeClass ();
 }