public virtual void checkDeleteHistoricTaskInstance(HistoricTaskInstanceEntity task)
{
if (task != null && !TenantManager.isAuthenticatedTenant(task.TenantId))
{
throw LOG.exceptionCommandWithUnauthorizedTenant("delete the historic task instance '" + task.Id + "'");
}
}
public Void execute(CommandContext commandContext)
{
HistoricTaskInstanceEntity historicTaskInstanceEntity = (HistoricTaskInstanceEntity)outerInstance.historyService.createHistoricTaskInstanceQuery().singleResult();
commandContext.DbEntityManager.delete(historicTaskInstanceEntity);
return(null);
}
// delete permission ////////////////////////////////////////
public virtual void checkDeleteHistoricTaskInstance(HistoricTaskInstanceEntity task)
{
// deleting unexisting historic task instance should be silently ignored
// see javaDoc HistoryService.deleteHistoricTaskInstance
if (task != null)
{
if (!string.ReferenceEquals(task.ProcessDefinitionKey, null))
{
AuthorizationManager.checkAuthorization(DELETE_HISTORY, PROCESS_DEFINITION, task.ProcessDefinitionKey);
}
}
}
public virtual object execute(CommandContext commandContext)
{
ensureNotNull("taskId", taskId);
HistoricTaskInstanceEntity task = commandContext.HistoricTaskInstanceManager.findHistoricTaskInstanceById(taskId);
foreach (CommandChecker checker in commandContext.ProcessEngineConfiguration.CommandCheckers)
{
checker.checkDeleteHistoricTaskInstance(task);
}
writeUserOperationLog(commandContext, task);
commandContext.HistoricTaskInstanceManager.deleteHistoricTaskInstanceById(taskId);
return(null);
}
protected internal virtual void writeUserOperationLog(CommandContext commandContext, HistoricTaskInstanceEntity historicTask)
{
IList <PropertyChange> propertyChanges = new List <PropertyChange>();
propertyChanges.Add(new PropertyChange("nrOfInstances", null, 1));
propertyChanges.Add(new PropertyChange("async", null, false));
commandContext.OperationLogManager.logTaskOperations(org.camunda.bpm.engine.history.UserOperationLogEntry_Fields.OPERATION_TYPE_DELETE_HISTORY, historicTask, propertyChanges);
}
