spring-batch RetrySampleConfiguration 源码
spring-batch RetrySampleConfiguration 代码
文件路径：/spring-batch-samples/src/main/java/org/springframework/batch/sample/config/RetrySampleConfiguration.java
/*
* Copyright 2012-2021 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.sample.config;
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.sample.domain.trade.Trade;
import org.springframework.batch.sample.domain.trade.internal.GeneratingTradeItemReader;
import org.springframework.batch.sample.support.RetrySampleItemWriter;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
/**
* @author Dave Syer
* @author Mahmoud Ben Hassine
*
*/
@Configuration
@EnableBatchProcessing
public class RetrySampleConfiguration {
@Autowired
private JobBuilderFactory jobs;
@Autowired
private StepBuilderFactory steps;
@Bean
public Job retrySample() {
return jobs.get("retrySample").start(step()).build();
}
@Bean
protected Step step() {
return steps.get("step").<Trade, Object>chunk(1).reader(reader()).writer(writer()).faultTolerant()
.retry(Exception.class).retryLimit(3).build();
}
@Bean
protected ItemReader<Trade> reader() {
GeneratingTradeItemReader reader = new GeneratingTradeItemReader();
reader.setLimit(10);
return reader;
}
@Bean
protected ItemWriter<Object> writer() {
return new RetrySampleItemWriter<>();
}
}
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