Package org.springframework.batch.core.launch.support

Class RunIdIncrementer

java.lang.Object

org.springframework.batch.core.launch.support.RunIdIncrementer

All Implemented Interfaces:

JobParametersIncrementer

public class RunIdIncrementer
extends Object
implements JobParametersIncrementer

This incrementer increments a "run.id" parameter of type Long from the given job parameters. If the parameter does not exist, it will be initialized to 1. The parameter name can be configured using setKey(String).

Author:

Dave Syer, Mahmoud Ben Hassine, Jinho Han

Constructor Summary

Constructors

Constructor	Description
RunIdIncrementer()

Method Summary

Modifier and Type	Method	Description
JobParameters	getNext(JobParameters parameters)	Increment the run.id parameter (starting with 1).
void	setKey(String key)	The name of the run id in the job parameters.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

RunIdIncrementer

public RunIdIncrementer()

Method Details

setKey

public void setKey(String key)

The name of the run id in the job parameters. Defaults to "run.id".

Parameters:

key - the key to set

getNext

public JobParameters getNext(@Nullable
 JobParameters parameters)

Increment the run.id parameter (starting with 1).

Specified by:

getNext in interface JobParametersIncrementer

Parameters:

parameters - the previous job parameters

Returns:

the next job parameters with an incremented (or initialized) run.id

Throws:

IllegalArgumentException - if the previous value of run.id is invalid