接口 JobRepository

方法详细资料

• isJobInstanceExists

  boolean isJobInstanceExists​(java.lang.String jobName,
                              JobParameters jobParameters)

  Check if an instance of this job already exists with the parameters provided.

  参数:

  jobName - the name of the job

  jobParameters - the parameters to match

  返回:

  true if a JobInstance already exists for this job name and job parameters

• createJobInstance

  JobInstance createJobInstance​(java.lang.String jobName,
                                JobParameters jobParameters)

  Create a new JobInstance with the name and job parameters provided.

  参数:

  jobName - logical name of the job

  jobParameters - parameters used to execute the job

  返回:

  the new JobInstance

• createJobExecution

  JobExecution createJobExecution​(JobInstance jobInstance,
                                  JobParameters jobParameters,
                                  java.lang.String jobConfigurationLocation)

  Create a new JobExecution based upon the JobInstance it's associated with, the JobParameters used to execute it with and the location of the configuration file that defines the job.

  参数:

  jobInstance - JobInstance instance to initialize the new JobExecution.

  jobParameters - JobParameters instance to initialize the new JobExecution.

  jobConfigurationLocation - String instance to initialize the new JobExecution.

  返回:

  the new JobExecution.

• createJobExecution

  JobExecution createJobExecution​(java.lang.String jobName,
                                  JobParameters jobParameters)
                           throws JobExecutionAlreadyRunningException,
                                  JobRestartException,
                                  JobInstanceAlreadyCompleteException

  Create a JobExecution for a given Job and JobParameters. If matching JobInstance already exists, the job must be restartable and it's last JobExecution must *not* be completed. If matching JobInstance does not exist yet it will be created.

  If this method is run in a transaction (as it normally would be) with isolation level at Isolation.REPEATABLE_READ or better, then this method should block if another transaction is already executing it (for the same JobParameters and job name). The first transaction to complete in this scenario obtains a valid JobExecution, and others throw JobExecutionAlreadyRunningException (or timeout). There are no such guarantees if the JobInstanceDao and JobExecutionDao do not respect the transaction isolation levels (e.g. if using a non-relational data-store, or if the platform does not support the higher isolation levels).

  参数:

  jobName - the name of the job that is to be executed

  jobParameters - the runtime parameters for the job

  返回:

  a valid JobExecution for the arguments provided

  抛出:

  JobExecutionAlreadyRunningException - if there is a JobExecution already running for the job instance with the provided job and parameters.

  JobRestartException - if one or more existing JobInstances is found with the same parameters and Job.isRestartable() is false.

  JobInstanceAlreadyCompleteException - if a JobInstance is found and was already completed successfully.

• update

  void update​(JobExecution jobExecution)

  Update the JobExecution (but not its ExecutionContext). Preconditions: JobExecution must contain a valid JobInstance and be saved (have an id assigned).

  参数:

  jobExecution - JobExecution instance to be updated in the repo.

• add

  void add​(StepExecution stepExecution)

  Save the StepExecution and its ExecutionContext. ID will be assigned - it is not permitted that an ID be assigned before calling this method. Instead, it should be left blank, to be assigned by a JobRepository. Preconditions: StepExecution must have a valid Step.

  参数:

  stepExecution - StepExecution instance to be added to the repo.

• addAll

  void addAll​(java.util.Collection<StepExecution> stepExecutions)

  Save a collection of StepExecutions and each ExecutionContext. The StepExecution ID will be assigned - it is not permitted that an ID be assigned before calling this method. Instead, it should be left blank, to be assigned by JobRepository. Preconditions: StepExecution must have a valid Step.

  参数:

  stepExecutions - collection of StepExecution instances to be added to the repo.

• update

  void update​(StepExecution stepExecution)

  Update the StepExecution (but not its ExecutionContext). Preconditions: StepExecution must be saved (have an id assigned).

  参数:

  stepExecution - StepExecution instance to be updated in the repo.

• updateExecutionContext

  void updateExecutionContext​(StepExecution stepExecution)

  Persist the updated ExecutionContexts of the given StepExecution.

  参数:

  stepExecution - StepExecution instance to be used to update the context.

• updateExecutionContext

  void updateExecutionContext​(JobExecution jobExecution)

  Persist the updated ExecutionContext of the given JobExecution.

  参数:

  jobExecution - JobExecution instance to be used to update the context.

• getLastStepExecution

  @Nullable
  StepExecution getLastStepExecution​(JobInstance jobInstance,
                                     java.lang.String stepName)

  参数:

  jobInstance - JobInstance instance containing the step executions.

  stepName - the name of the step execution that might have run.

  返回:

  the last execution of step for the given job instance.

• getStepExecutionCount

  int getStepExecutionCount​(JobInstance jobInstance,
                            java.lang.String stepName)

  参数:

  jobInstance - JobInstance instance containing the step executions.

  stepName - the name of the step execution that might have run.

  返回:

  the execution count of the step within the given job instance.

• getLastJobExecution

  @Nullable
  JobExecution getLastJobExecution​(java.lang.String jobName,
                                   JobParameters jobParameters)

  参数:

  jobName - the name of the job that might have run

  jobParameters - parameters identifying the JobInstance

  返回:

  the last execution of job if exists, null otherwise