org.springframework.core.SmartClassLoader Maven / Gradle / Ivy
/*
* Copyright 2002-2012 the original author or authors.
*
* 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
*
* https://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.springframework.core;
/**
* Interface to be implemented by a reloading-aware ClassLoader
* (e.g. a Groovy-based ClassLoader). Detected for example by
* Spring's CGLIB proxy factory for making a caching decision.
*
* If a ClassLoader does not implement this interface,
* then all of the classes obtained from it should be considered
* as not reloadable (i.e. cacheable).
*
* @author Juergen Hoeller
* @since 2.5.1
*/
public interface SmartClassLoader {
/**
* Determine whether the given class is reloadable (in this ClassLoader).
*
Typically used to check whether the result may be cached (for this
* ClassLoader) or whether it should be reobtained every time.
* @param clazz the class to check (usually loaded from this ClassLoader)
* @return whether the class should be expected to appear in a reloaded
* version (with a different {@code Class} object) later on
*/
boolean isClassReloadable(Class clazz);
}