Package io.nflow.engine.service

Class MaintenanceService

java.lang.Object

io.nflow.engine.service.MaintenanceService

@Named
public class MaintenanceService
extends Object

Service for deleting and archiving old workflow instances from nflow-tables and nflow_archive-tables.

Constructor Summary

Constructors

Constructor	Description
MaintenanceService(MaintenanceDao maintenanceDao, TableMetadataChecker tableMetadataChecker, WorkflowDefinitionService workflowDefinitionService, ExecutorDao executorDao)

Method Summary

Modifier and Type	Method	Description
int	cleanupExecutors(org.joda.time.ReadablePeriod deleteExpiredExecutorsOlderThan)	Delete workflow executors that have expired [given period] ago.
MaintenanceResults	cleanupWorkflows(MaintenanceConfiguration configuration)	Cleans up old (whose modified time is earlier than olderThanPeriod parameter) and passive (that do not have nextActivation) workflows.

Methods inherited from class java.lang.Object

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

Constructor Details

MaintenanceService

@Inject
public MaintenanceService(MaintenanceDao maintenanceDao,
 TableMetadataChecker tableMetadataChecker,
 WorkflowDefinitionService workflowDefinitionService,
 ExecutorDao executorDao)

Method Details

cleanupWorkflows

public MaintenanceResults cleanupWorkflows(MaintenanceConfiguration configuration)

Cleans up old (whose modified time is earlier than olderThanPeriod parameter) and passive (that do not have nextActivation) workflows. Copies workflow instances, actions and state variables to corresponding archive tables and removes them from production and archive tables as requested.

Parameters:

configuration - Cleanup actions to be executed and parameters for the actions.

Returns:

Object describing the number of workflows acted on.

cleanupExecutors

public int cleanupExecutors(org.joda.time.ReadablePeriod deleteExpiredExecutorsOlderThan)

Delete workflow executors that have expired [given period] ago.

Parameters:

deleteExpiredExecutorsOlderThan - Time to wait before expired executors get deleted.

Returns:

Number of executors deleted.