【Spring云原生】Spring Batch:海量数据高并发任务处理!数据处理纵享新丝滑!事务管理机制+并行处理+实例应用讲解
import org.springframework.batch.core.Job;
import org.springframework.batch.core.Step;
import org.springframework.batch.core.StepContribution;
import org.springframework.batch.core.configuration.annotation.JobBuilderFactory;
import org.springframework.batch.core.configuration.annotation.StepBuilderFactory;
import org.springframework.batch.core.scope.context.ChunkContext;
import org.springframework.batch.core.step.tasklet.Tasklet;
import org.springframework.batch.item.ItemProcessor;
import org.springframework.batch.item.ItemReader;
import org.springframework.batch.item.ItemWriter;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
@Component
public class YourBatchJobConfig {
private final JobBuilderFactory jobs;
private final StepBuilderFactory steps;
@Autowired
public YourBatchJobConfig(JobBuilderFactory jobs, StepBuilderFactory steps) {
this.jobs = jobs;
this.steps = steps;
}
@Bean
public Job yourBatchJob() {
return jobs.get("yourBatchJob")
.start(yourStep())
.build();
}
@Bean
public Step yourStep() {
return steps.get("yourStep")
.<YourInputType, YourOutputType>chunk(1000)
.reader(yourItemReader())
.processor(yourItemProcessor())
.writer(yourItemWriter())
.build();
}
// 定义你的Reader, Processor和Writer组件
private ItemReader<YourInputType> yourItemReader() {
// 实现ItemReader
}
private ItemProcessor<YourInputType, YourOutputType> yourItemProcessor() {
// 实现ItemProcessor
}
private ItemWriter<YourOutputType> yourItemWriter() {
// 实现ItemWriter
}
}
这个代码示例展示了如何在Spring Batch中定义一个简单的批处理作业。它使用了Spring的依赖注入功能来创建作业、步骤和各种批处理组件。这个例子中的作业名为yourBatchJob
,步骤名为yourStep
,它们处理的数据类型分别为YourInputType
和YourOutputType
。这个例子提供了如何定义和组装基本的批处理作业的框架,而具体的读取、处理和写入操作需要根据实际需求来实现。
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