spring-batch MethodResolver 源码
spring-batch MethodResolver 代码
文件路径：/spring-batch-infrastructure/src/main/java/org/springframework/batch/support/MethodResolver.java
/*
* Copyright 2002-2018 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.batch.support;
import java.lang.reflect.Method;
import org.springframework.lang.Nullable;
/**
* Strategy interface for detecting a single Method on a Class.
*
* @author Mark Fisher
* @author Mahmoud Ben Hassine
*/
public interface MethodResolver {
/**
* Find a single Method on the provided Object that matches this resolver's criteria.
* @param candidate the candidate Object whose Class should be searched for a Method
* @return a single Method or <code>null</code> if no Method matching this resolver's
* criteria can be found.
* @throws IllegalArgumentException if more than one Method defined on the given
* candidate's Class matches this resolver's criteria
*/
@Nullable
Method findMethod(Object candidate) throws IllegalArgumentException;
/**
* Find a <em>single</em> Method on the given Class that matches this resolver's
* criteria.
* @param clazz the Class instance on which to search for a Method
* @return a single Method or <code>null</code> if no Method matching this resolver's
* criteria can be found.
* @throws IllegalArgumentException if more than one Method defined on the given Class
* matches this resolver's criteria
*/
@Nullable
Method findMethod(Class<?> clazz);
}
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