/*
* 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.openjpa.util;
import org.apache.openjpa.lib.util.MultiClassLoader;
/**
* Interface to customize the loading of classes under OpenJPA.
*
* @since 0.3.0
* @author Marc Prud'hommeaux
* @author Abe White
*/
public interface ClassResolver {
/**
* Return a class loader that can be used to load classes and resources.
* This can be a standard class loader, or a customized loader such
* as a {@link MultiClassLoader}.
*
* @param contextClass the context class; may be null if no context class
* @param envLoader the thread's context class loader when the
* persistence environment (i.e. broker)
* was obtained; may be null if operating outside
* the context of persistence environment
*/
public ClassLoader getClassLoader(Class<?> contextClass, ClassLoader envLoader);
}