org.camunda.bpm.engine.impl.batch

Class AbstractBatchJobHandler<T extends BatchConfiguration>

java.lang.Object

org.camunda.bpm.engine.impl.batch.AbstractBatchJobHandler<T>

All Implemented Interfaces:

BatchJobHandler<T>, JobHandler<BatchJobConfiguration>

Direct Known Subclasses:

DeleteHistoricDecisionInstancesJobHandler, DeleteHistoricProcessInstancesJobHandler, DeleteProcessInstancesJobHandler, MigrationBatchJobHandler, ModificationBatchJobHandler, RestartProcessInstancesJobHandler, SetExternalTaskRetriesJobHandler, SetJobRetriesJobHandler, UpdateProcessInstancesSuspendStateJobHandler

public abstract class AbstractBatchJobHandler<T extends BatchConfiguration>
extends Object
implements BatchJobHandler<T>

Common methods for batch job handlers based on list of ids, providing serialization, configuration instantiation, etc.

Author:

Askar Akhmerov

Constructor Summary

Constructors

Constructor and Description
AbstractBatchJobHandler()

Method Summary

Modifier and Type	Method and Description
protected JobEntity	createBatchJob(BatchEntity batch, ByteArrayEntity configuration)
protected abstract T	createJobConfiguration(T configuration, List<String> processIdsForJob)
boolean	createJobs(BatchEntity batch) Creates batch jobs for a batch.
void	deleteJobs(BatchEntity batch) Delete all jobs for a batch.
abstract JobDeclaration<BatchJobContext,MessageEntity>	getJobDeclaration() Get the job declaration for batch jobs.
protected abstract JsonObjectConverter<T>	getJsonConverterInstance()
BatchJobConfiguration	newConfiguration(String canonicalString)
void	onDelete(BatchJobConfiguration configuration, JobEntity jobEntity) Clean up before job is deleted.
protected void	postProcessJob(T configuration, JobEntity job)
T	readConfiguration(byte[] serializedConfiguration) Read the serialized configuration of the batch.
protected ByteArrayEntity	saveConfiguration(ByteArrayManager byteArrayManager, T jobConfiguration)
byte[]	writeConfiguration(T configuration) Converts the configuration of the batch to a byte array.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.camunda.bpm.engine.impl.jobexecutor.JobHandler

execute, getType

Constructor Detail

AbstractBatchJobHandler

public AbstractBatchJobHandler()

Method Detail

getJobDeclaration

public abstract JobDeclaration<BatchJobContext,MessageEntity> getJobDeclaration()

Description copied from interface: BatchJobHandler

Get the job declaration for batch jobs.

Specified by:

getJobDeclaration in interface BatchJobHandler<T extends BatchConfiguration>

Returns:

the batch job declaration

createJobs

public boolean createJobs(BatchEntity batch)

Description copied from interface: BatchJobHandler

Creates batch jobs for a batch.

Specified by:

createJobs in interface BatchJobHandler<T extends BatchConfiguration>

Parameters:

batch - the batch to create jobs for

Returns:

true of no more jobs have to be created for this batch, false otherwise

createJobConfiguration

protected abstract T createJobConfiguration(T configuration,
                                            List<String> processIdsForJob)

postProcessJob

protected void postProcessJob(T configuration,
                              JobEntity job)

createBatchJob

protected JobEntity createBatchJob(BatchEntity batch,
                                   ByteArrayEntity configuration)

deleteJobs

public void deleteJobs(BatchEntity batch)

Description copied from interface: BatchJobHandler

Delete all jobs for a batch.

Specified by:

deleteJobs in interface BatchJobHandler<T extends BatchConfiguration>

Parameters:

batch - the batch to delete jobs for

newConfiguration

public BatchJobConfiguration newConfiguration(String canonicalString)

Specified by:

newConfiguration in interface JobHandler<BatchJobConfiguration>

onDelete

public void onDelete(BatchJobConfiguration configuration,
                     JobEntity jobEntity)

Description copied from interface: JobHandler

Clean up before job is deleted. Like removing of auxiliary entities specific for this job handler.

Specified by:

onDelete in interface JobHandler<BatchJobConfiguration>

Parameters:

configuration - the job handler configuration

jobEntity - the job entity to be deleted

saveConfiguration

protected ByteArrayEntity saveConfiguration(ByteArrayManager byteArrayManager,
                                            T jobConfiguration)

writeConfiguration

public byte[] writeConfiguration(T configuration)

Description copied from interface: BatchJobHandler

Converts the configuration of the batch to a byte array.

Specified by:

writeConfiguration in interface BatchJobHandler<T extends BatchConfiguration>

Parameters:

configuration - the configuration object

Returns:

the serialized configuration

readConfiguration

public T readConfiguration(byte[] serializedConfiguration)

Description copied from interface: BatchJobHandler

Read the serialized configuration of the batch.

Specified by:

readConfiguration in interface BatchJobHandler<T extends BatchConfiguration>

Parameters:

serializedConfiguration - the serialized configuration

Returns:

the deserialized configuration object

getJsonConverterInstance

protected abstract JsonObjectConverter<T> getJsonConverterInstance()