春天批次 - 计数处理的行 [英] Spring Batch - Counting Processed Rows

问题描述

所以我创建一个Spring Batch作业，用于读取CSV文件和某些包含不完整数据的行;它检查，输出到日志，该行不完整，并跳过。它工作伟大，除了在工作结束时，我想要它记录多少行，它发现是不完整的。

我已经Google搜索了一个解决方案，但没有找到任何真正的东西。

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解决方案

任何帮助都是值得赞赏的，这是我怎么做的：

在ItemProcessor中，我添加了一个属性和一个方法从进程方法内访问ExecutionContext，

  private ExecutionContext executionContext; 
 
 @BeforeStep 
 public void beforeStep（StepExecution stepExecution）
 {
 this.executionContext = stepExecution.getExecutionContext（）; 
} 
  

...然后在process我想要记录的行，我可以这样做，

  this.executionContext.putInt（i_ThoseRows，this.executionContext。 getInt（i_ThoseRows，0）+ 1）; 
  

最后，我添加另一个方法到ItemProcessor以在步骤结束时打印结果， p>

  @AfterStep 
 public void afterStep（StepExecution stepExecution）
 {
 System.out.println Number of'those rows'：+ this.executionContext.getInt（i_ThoseRows，0））; 
} 
  

希望它帮助某人

So I am creating a Spring Batch job for reading a CSV file and for certain rows which contain incomplete data; it checks, outputs to the log that the row is incomplete, and skips. It works great except at the end of the job I want it to log how many rows it found that were incomplete. Just something simple like "X incomplete rows were found".

I've Googled and searched around for a solution but not found anything really.

Any help is appreciated and any more info needed just ask.

解决方案

Manage to solve this, here's how I did it:

In the ItemProcessor I added an attribute and a method for getting access to the ExecutionContext from within the process method,

private ExecutionContext executionContext;

@BeforeStep
public void beforeStep(StepExecution stepExecution)
{
    this.executionContext = stepExecution.getExecutionContext();
}

...and then in the process() method when I find one of the rows I want to log, I can do this,

this.executionContext.putInt( "i_ThoseRows", this.executionContext.getInt( "i_ThoseRows", 0 ) + 1 );

Finally I add another method to the ItemProcessor to print the result at the end of the step,

@AfterStep
public void afterStep(StepExecution stepExecution)
{
    System.out.println( "Number of 'Those rows': " + this.executionContext.getInt( "i_ThoseRows", 0 ) );
}

Hope it helps someone

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