/**
* Copyright (c) 2010 IBOBO Corporation. All Rights Reserved.
*/
package com.ibm.util.dao.hib;
/**
* [Java Generics] get T.Class from <T>
*
* @author <a href="mailto:libo214@gmail.com">libo</a>
* @version V1.0
* @date May 11, 2010
*/
public class GenericsTClass {
public static void main(String[] args) {
//
// Output: Generics entity class Initialized: class java.lang.String
new GenericsTClass1();
//
// Throw an exception: java.lang.ClassCastException: sun.reflect.generics.reflectiveObjects.TypeVariableImpl
new GenericsTClass2<String>();
//
// Throw an exception: java.lang.ClassCastException: java.lang.Class
new SuperGenericsClass<String>();
}
}
class GenericsTClass1 extends SuperGenericsClass<String> {
}
class GenericsTClass2<T> extends SuperGenericsClass<T> {
}
class SuperGenericsClass<T> {
private final Class<T> entityClass;
@SuppressWarnings("unchecked")
public SuperGenericsClass() {
this.entityClass = (Class<T>)
((java.lang.reflect.ParameterizedType)
this.getClass().getGenericSuperclass()).getActua
