Java tutorial
/* * Copyright 2014 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 * * http://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 de.codecentric.batch; import java.util.Arrays; import java.util.List; import javax.sql.DataSource; import org.apache.commons.dbcp.BasicDataSource; import org.springframework.batch.core.Job; import org.springframework.batch.core.Step; import org.springframework.batch.core.configuration.annotation.EnableBatchProcessing; import org.springframework.batch.core.configuration.annotation.JobBuilderFactory; import org.springframework.batch.core.configuration.annotation.StepBuilderFactory; import org.springframework.batch.item.ItemReader; import org.springframework.batch.item.ItemWriter; import org.springframework.batch.item.support.ListItemReader; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Configuration; @Configuration @EnableBatchProcessing(modular = true) public class TestBatchConfiguration { @Autowired private JobBuilderFactory jobBuilderFactory; @Autowired private StepBuilderFactory stepBuilderFactory; @Bean public Job job() { return jobBuilderFactory.get("job").start(step()).build(); } @Bean public Step step() { return stepBuilderFactory.get("step").chunk(1).reader(reader()).writer(writer()).build(); } @Bean public ItemReader<String> reader() { return new ListItemReader<String>(Arrays.asList("1", "2", "3")); } @Bean public ItemWriter<? super Object> writer() { return new ItemWriter<Object>() { @Override public void write(List<? extends Object> items) throws Exception { System.out.println(items); } }; } }