/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.hadoop.util;
public class ClassLoaderCheck {
/**
* Verifies the class is loaded by the right classloader.
*/
public static void checkClassLoader(Class cls,
boolean shouldBeLoadedByAppClassLoader) {
boolean loadedByAppClassLoader =
cls.getClassLoader() instanceof ApplicationClassLoader;
if ((shouldBeLoadedByAppClassLoader && !loadedByAppClassLoader) ||
(!shouldBeLoadedByAppClassLoader && loadedByAppClassLoader)) {
throw new RuntimeException("incorrect classloader used");
}
}
}