/* * Copyright 2017 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.item.data.builder;import java.lang.reflect.Method;import java.util.ArrayList;import java.util.Arrays;import java.util.List;import org.springframework.batch.item.data.RepositoryItemWriter;import org.springframework.cglib.proxy.Enhancer;import org.springframework.cglib.proxy.MethodInterceptor;import org.springframework.cglib.proxy.MethodProxy;import org.springframework.data.repository.CrudRepository;import org.springframework.util.Assert;/** * A builder implementation for the {@link RepositoryItemWriter}. * * @author Glenn Renfro * @since 4.0 * @see RepositoryItemWriter */public class RepositoryItemWriterBuilder<T> { private CrudRepository<T, ?> repository; private String methodName; private RepositoryMethodReference repositoryMethodReference; /** * Specifies what method on the repository to call. This method must have the type of * object passed to this writer as the <em>sole</em> argument. * * @param methodName the name of the method to be used for saving the item. * @return The current instance of the builder. * @see RepositoryItemWriter#setMethodName(String) */ public RepositoryItemWriterBuilder<T> methodName(String methodName) { this.methodName = methodName; return this; } /** * Set the {@link org.springframework.data.repository.CrudRepository} implementation * for persistence * * @param repository the Spring Data repository to be set * @return The current instance of the builder. * @see RepositoryItemWriter#setRepository(CrudRepository) */ public RepositoryItemWriterBuilder<T> repository(CrudRepository<T, ?> repository) { this.repository = repository; return this; } /** * Specifies a repository and the type-safe method to call for the writer. The method * configured via this mechanism must take