spring-batch FunctionItemProcessor 源码
spring-batch FunctionItemProcessor 代码
文件路径：/spring-batch-infrastructure/src/main/java/org/springframework/batch/item/function/FunctionItemProcessor.java
/*
* Copyright 2017-2019 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.function;
import java.util.function.Function;
import org.springframework.batch.item.ItemProcessor;
import org.springframework.lang.Nullable;
import org.springframework.util.Assert;
/**
* An {@link ItemProcessor} implementation that delegates to a {@link Function}
*
* @author Michael Minella
* @since 4.0
*/
public class FunctionItemProcessor<I, O> implements ItemProcessor<I, O> {
private final Function<I, O> function;
/**
* @param function the delegate. Must not be null
*/
public FunctionItemProcessor(Function<I, O> function) {
Assert.notNull(function, "A function is required");
this.function = function;
}
@Nullable
@Override
public O process(I item) throws Exception {
return this.function.apply(item);
}
}
相关信息
相关文章
0
赞
热门推荐
-
2、 - 优质文章
-
3、 gate.io
-
8、 golang
-
9、 openharmony
-
10、 Vue中input框自动聚焦