Example usage for org.springframework.batch.core.launch JobInstanceAlreadyExistsException JobInstanceAlreadyExistsException

Introduction

In this page you can find the example usage for org.springframework.batch.core.launch JobInstanceAlreadyExistsException JobInstanceAlreadyExistsException.

Prototype

public JobInstanceAlreadyExistsException(String msg) 

Source Link

Document

Create an exception with the given message.

Usage

From source file:org.springframework.batch.core.launch.support.SimpleJobOperator.java

@Override
public Long start(String jobName, String parameters)
        throws NoSuchJobException, JobInstanceAlreadyExistsException, JobParametersInvalidException {

    logger.info("Checking status of job with name=" + jobName);

    JobParameters jobParameters = jobParametersConverter
            .getJobParameters(PropertiesConverter.stringToProperties(parameters));

    if (jobRepository.isJobInstanceExists(jobName, jobParameters)) {
        throw new JobInstanceAlreadyExistsException(
                String.format("Cannot start a job instance that already exists with name=%s and parameters=%s",
                        jobName, parameters));
    }/*w  w w. ja  v  a  2  s . c om*/

    Job job = jobRegistry.getJob(jobName);

    logger.info(String.format("Attempting to launch job with name=%s and parameters=%s", jobName, parameters));
    try {
        return jobLauncher.run(job, jobParameters).getId();
    } catch (JobExecutionAlreadyRunningException e) {
        throw new UnexpectedJobExecutionException(
                String.format(ILLEGAL_STATE_MSG, "job execution already running", jobName, parameters), e);
    } catch (JobRestartException e) {
        throw new UnexpectedJobExecutionException(
                String.format(ILLEGAL_STATE_MSG, "job not restartable", jobName, parameters), e);
    } catch (JobInstanceAlreadyCompleteException e) {
        throw new UnexpectedJobExecutionException(
                String.format(ILLEGAL_STATE_MSG, "job already complete", jobName, parameters), e);
    }

}

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