/***********************************************************************************************************************
* Copyright (C) 2010-2013 by the Stratosphere project (http://stratosphere.eu)
*
* 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 eu.stratosphere.api.common.operators.util;
import java.lang.annotation.Annotation;
import eu.stratosphere.util.InstantiationUtil;
/**
* This holds a class containing user defined code.
*/
public class UserCodeClassWrapper<T> implements UserCodeWrapper<T> {
private static final long serialVersionUID = 1L;
private Class<? extends T> userCodeClass;
public UserCodeClassWrapper(Class<? extends T> userCodeClass) {
this.userCodeClass = userCodeClass;
}
@Override
public T getUserCodeObject(Class<? super T> superClass, ClassLoader cl) {
return InstantiationUtil.instantiate(userCodeClass, superClass);
}
@Override
public T getUserCodeObject() {
return InstantiationUtil.instantiate(userCodeClass, Object.class);
}
@Override
public <A extends Annotation> A getUserCodeAnnotation(Class<A> annotationClass) {
return userCodeClass.getAnnotation(annotationClass);
}
@Override
public Class<? extends T> getUserCodeClass() {
return userCodeClass;
}
}