org.springframework.batch.item.function.FunctionItemProcessor Maven / Gradle / Ivy
/*
* 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.function;
import java.util.function.Function;
import org.springframework.batch.item.ItemProcessor;
import org.springframework.util.Assert;
/**
* An {@link ItemProcessor} implementation that delegates to a {@link Function}
*
* @author Michael Minella
* @since 4.0
*/
public class FunctionItemProcessor implements ItemProcessor{
private final Function function;
/**
* @param function the delegate. Must not be null
*/
public FunctionItemProcessor(Function function) {
Assert.notNull(function, "A function is required");
this.function = function;
}
@Override
public O process(I item) throws Exception {
return this.function.apply(item);
}
}