Example usage for org.springframework.batch.core JobParametersIncrementer getNext

Introduction

In this page you can find the example usage for org.springframework.batch.core JobParametersIncrementer getNext.

Prototype

JobParameters getNext(@Nullable JobParameters parameters);

Source Link

Document

Increment the provided parameters.

Usage

From source file:de.codecentric.batch.web.JobOperationsController.java

/**
 * Borrowed from CommandLineJobRunner.//www.j a  v a 2 s .c  o  m
 * @param job the job that we need to find the next parameters for
 * @return the next job parameters if they can be located
 * @throws JobParametersNotFoundException if there is a problem
 */
private JobParameters getNextJobParameters(Job job) throws JobParametersNotFoundException {
    String jobIdentifier = job.getName();
    JobParameters jobParameters;
    List<JobInstance> lastInstances = jobExplorer.getJobInstances(jobIdentifier, 0, 1);

    JobParametersIncrementer incrementer = job.getJobParametersIncrementer();

    if (lastInstances.isEmpty()) {
        jobParameters = incrementer.getNext(new JobParameters());
        if (jobParameters == null) {
            throw new JobParametersNotFoundException(
                    "No bootstrap parameters found from incrementer for job=" + jobIdentifier);
        }
    } else {
        List<JobExecution> lastExecutions = jobExplorer.getJobExecutions(lastInstances.get(0));
        jobParameters = incrementer.getNext(lastExecutions.get(0).getJobParameters());
    }
    return jobParameters;
}

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From source file:egovframework.rte.bat.core.launch.support.EgovCommandLineRunner.java

/**
 * ?  ? Batch Job? Job Parameter ?./*from  w  ww .  j  a v a 2  s. c o  m*/
 * 
 * @param job
 * @return JobParameters
 * @throws JobParametersNotFoundException 
 */
private JobParameters getNextJobParameters(Job job) throws JobParametersNotFoundException {
    String jobIdentifier = job.getName();
    JobParameters jobParameters;
    List<JobInstance> lastInstances = jobExplorer.getJobInstances(jobIdentifier, 0, 1);

    JobParametersIncrementer incrementer = job.getJobParametersIncrementer();
    if (incrementer == null) {
        throw new JobParametersNotFoundException(
                "No job parameters incrementer found for job=" + jobIdentifier);
    }

    if (lastInstances.isEmpty()) {
        jobParameters = incrementer.getNext(new JobParameters());
        if (jobParameters == null) {
            throw new JobParametersNotFoundException(
                    "No bootstrap parameters found from incrementer for job=" + jobIdentifier);
        }
    } else {
        jobParameters = incrementer.getNext(lastInstances.get(0).getJobParameters());
    }
    return jobParameters;
}

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

/**
 * @param job the job that we need to find the next parameters for
 * @return the next job parameters if they can be located
 * @throws JobParametersNotFoundException if there is a problem
 *///from ww  w  . ja va2s .  c o m
private JobParameters getNextJobParameters(Job job) throws JobParametersNotFoundException {
    String jobIdentifier = job.getName();
    JobParameters jobParameters;
    List<JobInstance> lastInstances = jobExplorer.getJobInstances(jobIdentifier, 0, 1);

    JobParametersIncrementer incrementer = job.getJobParametersIncrementer();
    if (incrementer == null) {
        throw new JobParametersNotFoundException(
                "No job parameters incrementer found for job=" + jobIdentifier);
    }

    if (lastInstances.isEmpty()) {
        jobParameters = incrementer.getNext(new JobParameters());
        if (jobParameters == null) {
            throw new JobParametersNotFoundException(
                    "No bootstrap parameters found from incrementer for job=" + jobIdentifier);
        }
    } else {
        List<JobExecution> lastExecutions = jobExplorer.getJobExecutions(lastInstances.get(0));
        jobParameters = incrementer.getNext(lastExecutions.get(0).getJobParameters());
    }
    return jobParameters;
}

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

@Override
public Long startNextInstance(String jobName) throws NoSuchJobException, JobParametersNotFoundException,
        UnexpectedJobExecutionException, JobParametersInvalidException {

    logger.info("Locating parameters for next instance of job with name=" + jobName);

    Job job = jobRegistry.getJob(jobName);
    List<JobInstance> lastInstances = jobExplorer.getJobInstances(jobName, 0, 1);

    JobParametersIncrementer incrementer = job.getJobParametersIncrementer();
    if (incrementer == null) {
        throw new JobParametersNotFoundException("No job parameters incrementer found for job=" + jobName);
    }/* w  w w.  j a va  2 s. c  o m*/

    JobParameters parameters;
    if (lastInstances.isEmpty()) {
        parameters = incrementer.getNext(new JobParameters());
        if (parameters == null) {
            throw new JobParametersNotFoundException("No bootstrap parameters found for job=" + jobName);
        }
    } else {
        List<JobExecution> lastExecutions = jobExplorer.getJobExecutions(lastInstances.get(0));
        parameters = incrementer.getNext(lastExecutions.get(0).getJobParameters());
    }

    logger.info(String.format("Attempting to launch job with name=%s and parameters=%s", jobName, parameters));
    try {
        return jobLauncher.run(job, parameters).getId();
    } catch (JobExecutionAlreadyRunningException e) {
        throw new UnexpectedJobExecutionException(
                String.format(ILLEGAL_STATE_MSG, "job 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 instance already complete", jobName, parameters), e);
    }

}

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From source file:org.springframework.boot.autoconfigure.batch.JobLauncherCommandLineRunner.java

private JobParameters getNextJobParameters(Job job, JobParameters additionalParameters) {
    String name = job.getName();/*from w  ww. ja  v  a2s . c om*/
    JobParameters parameters = new JobParameters();
    List<JobInstance> lastInstances = this.jobExplorer.getJobInstances(name, 0, 1);
    JobParametersIncrementer incrementer = job.getJobParametersIncrementer();
    Map<String, JobParameter> additionals = additionalParameters.getParameters();
    if (lastInstances.isEmpty()) {
        // Start from a completely clean sheet
        if (incrementer != null) {
            parameters = incrementer.getNext(new JobParameters());
        }
    } else {
        List<JobExecution> previousExecutions = this.jobExplorer.getJobExecutions(lastInstances.get(0));
        JobExecution previousExecution = previousExecutions.get(0);
        if (previousExecution == null) {
            // Normally this will not happen - an instance exists with no executions
            if (incrementer != null) {
                parameters = incrementer.getNext(new JobParameters());
            }
        } else if (isStoppedOrFailed(previousExecution) && job.isRestartable()) {
            // Retry a failed or stopped execution
            parameters = previousExecution.getJobParameters();
            // Non-identifying additional parameters can be removed to a retry
            removeNonIdentifying(additionals);
        } else if (incrementer != null) {
            // New instance so increment the parameters if we can
            parameters = incrementer.getNext(previousExecution.getJobParameters());
        }
    }
    return merge(parameters, additionals);
}

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From source file:org.springframework.yarn.batch.support.YarnJobLauncher.java

/**
 * Get next job parameters for a job using {@link JobParametersIncrementer}.
 *
 * @param job the job that we need to find the next parameters for
 * @param fail suppress exception/*from  w w w  .  j a va2s  . c o  m*/
 * @return the next job parameters if they can be located
 * @throws JobParametersNotFoundException if there is a problem
 */
private JobParameters getNextJobParameters(Job job, boolean fail) throws JobParametersNotFoundException {
    String jobIdentifier = job.getName();
    JobParameters jobParameters;
    List<JobInstance> lastInstances = jobExplorer.getJobInstances(jobIdentifier, 0, 1);

    JobParametersIncrementer incrementer = job.getJobParametersIncrementer();
    if (incrementer == null) {
        throw new JobParametersNotFoundException(
                "No job parameters incrementer found for job=" + jobIdentifier);
    }

    if (lastInstances.isEmpty()) {
        jobParameters = incrementer.getNext(new JobParameters());
        if (jobParameters == null) {
            throw new JobParametersNotFoundException(
                    "No bootstrap parameters found from incrementer for job=" + jobIdentifier);
        }
    } else {
        List<JobExecution> lastExecutions = jobExplorer.getJobExecutions(lastInstances.get(0));
        jobParameters = incrementer.getNext(lastExecutions.get(0).getJobParameters());
    }
    return jobParameters;
}

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