/*
* Copyright 2009-2012 The MyBatis Team
*
* 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.hx.rainbow.common.dao.handler;
import java.lang.reflect.ParameterizedType;
import java.lang.reflect.Type;
/**
* References a generic type.
*
* @param <T> the referenced type
* @since 3.1.0
*/
public abstract class TypeReference<T> {
private Type rawType;
protected TypeReference() {
Type superclass = getClass().getGenericSuperclass();
if (superclass instanceof Class) {
throw new TypeException("TypeHandler '" + getClass() + "' extends TypeReference but misses the type parameter. "
+ "Remove the extension or add a type parameter to it.");
}
rawType = ((ParameterizedType) superclass).getActualTypeArguments()[0];
// TODO remove this when Reflector is fixed to return Types
if (rawType instanceof ParameterizedType) {
rawType = ((ParameterizedType) rawType).getRawType();
}
}
public final Type getRawType() {
return rawType;
}
@Override
public String toString() {
return rawType.toString();
}
}