org.springframework.batch.core.configuration.support
Class DefaultJobLoader

java.lang.Object
  org.springframework.batch.core.configuration.support.DefaultJobLoader

All Implemented Interfaces:

JobLoader, org.springframework.beans.factory.InitializingBean

public class DefaultJobLoader
extends Object
implements JobLoader, org.springframework.beans.factory.InitializingBean

Default implementation of JobLoader. Uses a JobRegistry to manage a population of loaded jobs and clears them up when asked. An optional StepRegistry might also be set to register the step(s) available for each registered job.

Author:

Dave Syer, Stephane Nicoll

Constructor Summary

DefaultJobLoader()
Default constructor useful for declarative configuration.

DefaultJobLoader(JobRegistry jobRegistry)
Creates a job loader with the job registry provided.

DefaultJobLoader(JobRegistry jobRegistry, StepRegistry stepRegistry)
Creates a job loader with the job and step registries provided.

Method Summary

void	afterPropertiesSet()
void	clear() Unregister all the jobs and close all the contexts created by this loader.
Collection<Job>	load(ApplicationContextFactory factory) Load an application context and register all the jobs.
Collection<Job>	reload(ApplicationContextFactory factory) Load an application context and register all the jobs, having first unregistered them if already registered.
void	setJobRegistry(JobRegistry jobRegistry) The JobRegistry to use for jobs created.
void	setStepRegistry(StepRegistry stepRegistry) The StepRegistry to use for the steps of created jobs.

Methods inherited from class java.lang.Object

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

Constructor Detail

DefaultJobLoader

public DefaultJobLoader()

Default constructor useful for declarative configuration.

DefaultJobLoader

public DefaultJobLoader(JobRegistry jobRegistry)

Creates a job loader with the job registry provided.

Parameters:

jobRegistry - a JobRegistry

DefaultJobLoader

public DefaultJobLoader(JobRegistry jobRegistry,
                        StepRegistry stepRegistry)

Creates a job loader with the job and step registries provided.

Parameters:

jobRegistry - a JobRegistry

stepRegistry - a StepRegistry

Method Detail

setJobRegistry

public void setJobRegistry(JobRegistry jobRegistry)

The JobRegistry to use for jobs created.

Parameters:

jobRegistry - the job registry

setStepRegistry

public void setStepRegistry(StepRegistry stepRegistry)

The StepRegistry to use for the steps of created jobs.

Parameters:

stepRegistry - the step registry

clear

public void clear()

Unregister all the jobs and close all the contexts created by this loader.

Specified by:

clear in interface JobLoader

See Also:

JobLoader.clear()

reload

public Collection<Job> reload(ApplicationContextFactory factory)

Description copied from interface: JobLoader

Load an application context and register all the jobs, having first unregistered them if already registered. Implementations should also take care to close and clean up the application context previously created if possible (either from this factory or from one with the same jobs).

Specified by:

reload in interface JobLoader

Parameters:

factory - a factory for an application context (containing jobs)

Returns:

a collection of the jobs created

load

public Collection<Job> load(ApplicationContextFactory factory)
                     throws DuplicateJobException

Description copied from interface: JobLoader

Load an application context and register all the jobs.

Specified by:

load in interface JobLoader

Parameters:

factory - a factory for an application context (containing jobs)

Returns:

a collection of the jobs created

Throws:

DuplicateJobException - if a job with the same name was already registered

afterPropertiesSet

public void afterPropertiesSet()

Specified by:

afterPropertiesSet in interface org.springframework.beans.factory.InitializingBean