Package org.camunda.bpm.engine.impl.db.entitymanager

Interface OptimisticLockingListener

All Known Implementing Classes:

AbstractBatchJobHandler, AcquireJobsCmd, BatchSetRemovalTimeJobHandler, BatchSetVariablesHandler, DecisionSetRemovalTimeJobHandler, DeleteHistoricDecisionInstancesJobHandler, DeleteHistoricProcessInstancesJobHandler, DeleteProcessInstancesJobHandler, MessageCorrelationBatchJobHandler, MigrationBatchJobHandler, ModificationBatchJobHandler, ProcessSetRemovalTimeJobHandler, RestartProcessInstancesJobHandler, SetExternalTaskRetriesJobHandler, SetJobRetriesJobHandler, UpdateProcessInstancesSuspendStateJobHandler

public interface OptimisticLockingListener

Allows registering a listener which is notified when an DbOperationType.UPDATE or DbOperationType.DELETE could not be performed.

Author:

Daniel Meyer

Method Summary

Modifier and Type	Method	Description
OptimisticLockingResult	failedOperation(DbOperation operation)	Signifies that an operation failed due to optimistic locking.
java.lang.Class<? extends DbEntity>	getEntityType()	The type of the entity for which this listener should be notified.

Method Detail

getEntityType

java.lang.Class<? extends DbEntity> getEntityType()

The type of the entity for which this listener should be notified. If the implementation returns 'null', the listener is notified for all entity types.

Returns:

the entity type for which the listener should be notified.

failedOperation

OptimisticLockingResult failedOperation(DbOperation operation)

Signifies that an operation failed due to optimistic locking.

Parameters:

operation - the failed operation.

Returns:

OptimisticLockingResult that instructs the caller how to handle the result of the failed operation.