| Package | Description | 
|---|---|
| javax.batch.operations | Provides APIs for starting, managing, and viewing results of Batch job executions, along with a set of exceptions. | 
| Modifier and Type | Method and Description | 
|---|---|
| int | JobOperator. getJobInstanceCount(String jobName)Returns number of instances of a job with a particular name. | 
| List<JobInstance> | JobOperator. getJobInstances(String jobName,
               int start,
               int count)Returns all JobInstances belonging to a job with a particular name 
 in reverse chronological order. | 
| List<Long> | JobOperator. getRunningExecutions(String jobName)Returns execution ids for job instances with the specified
 name that have running executions. | 
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