org.springframework.batch.core.explore.support
Class SimpleJobExplorer

java.lang.Object
  org.springframework.batch.core.explore.support.SimpleJobExplorer

All Implemented Interfaces:

JobExplorer

public class SimpleJobExplorer
extends Object
implements JobExplorer

Implementation of JobExplorer using the injected DAOs.

Since:

2.0

Author:

Dave Syer, Lucas Ward

See Also:

JobExplorer, JobInstanceDao, JobExecutionDao, StepExecutionDao

Constructor Summary

SimpleJobExplorer(JobInstanceDao jobInstanceDao, JobExecutionDao jobExecutionDao, StepExecutionDao stepExecutionDao, ExecutionContextDao ecDao)

Method Summary

Set<JobExecution>	findRunningJobExecutions(String jobName)
JobExecution	getJobExecution(Long executionId) Retrieve a JobExecution by its id.
List<JobExecution>	getJobExecutions(JobInstance jobInstance)
JobInstance	getJobInstance(Long instanceId)
List<JobInstance>	getJobInstances(String jobName, int start, int count) Fetch JobInstance values in descending order of creation (and therefore usually of first execution).
StepExecution	getStepExecution(Long jobExecutionId, Long executionId) Retrieve a StepExecution by its id and parent JobExecution id.

Methods inherited from class java.lang.Object

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

Constructor Detail

SimpleJobExplorer

public SimpleJobExplorer(JobInstanceDao jobInstanceDao,
                         JobExecutionDao jobExecutionDao,
                         StepExecutionDao stepExecutionDao,
                         ExecutionContextDao ecDao)

Method Detail

getJobExecutions

public List<JobExecution> getJobExecutions(JobInstance jobInstance)

Specified by:

getJobExecutions in interface JobExplorer

Parameters:

jobInstance - the JobInstance to query

Returns:

the set of all executions for the specified JobInstance

findRunningJobExecutions

public Set<JobExecution> findRunningJobExecutions(String jobName)

Specified by:

findRunningJobExecutions in interface JobExplorer

Parameters:

jobName - the name of the job

Returns:

the set of running executions for jobs with the specified name

getJobExecution

public JobExecution getJobExecution(Long executionId)

Description copied from interface: JobExplorer

Retrieve a JobExecution by its id.

Specified by:

getJobExecution in interface JobExplorer

Parameters:

executionId - the job execution id

Returns:

the JobExecution with this id, or null if not found

getStepExecution

public StepExecution getStepExecution(Long jobExecutionId,
                                      Long executionId)

Description copied from interface: JobExplorer

Retrieve a StepExecution by its id and parent JobExecution id.

Specified by:

getStepExecution in interface JobExplorer

Parameters:

jobExecutionId - the parent job execution id

executionId - the step execution id

Returns:

the StepExecution with this id, or null if not found

getJobInstance

public JobInstance getJobInstance(Long instanceId)

Specified by:

getJobInstance in interface JobExplorer

Returns:

the JobInstance with this id, or null

getJobInstances

public List<JobInstance> getJobInstances(String jobName,
                                         int start,
                                         int count)

Description copied from interface: JobExplorer

Fetch JobInstance values in descending order of creation (and therefore usually of first execution).

Specified by:

getJobInstances in interface JobExplorer

Parameters:

jobName - the name of the job to query

start - the start index of the instances to return

count - the maximum number of instances to return

Returns:

the JobInstance values up to a maximum of count values