question: public void updateTimersAndEvents ( ProcessDefinitionEntity processDefinition , ProcessDefinitionEntity previousProcessDefinition , ParsedDeployment parsedDeployment ) { Process process = parsedDeployment . getProcessModelForProcessDefinition ( processDefinition ) ; BpmnModel bpmnModel = parsedDeployment . getBpmnModelForProcessDefinition ( processDefinition ) ; eventSubscriptionManager . removeObsoleteMessageEventSubscriptions ( previousProcessDefinition ) ; eventSubscriptionManager . addMessageEventSubscriptions ( processDefinition , process , bpmnModel ) ; eventSubscriptionManager . removeObsoleteSignalEventSubScription ( previousProcessDefinition ) ; eventSubscriptionManager . addSignalEventSubscriptions ( Context . getCommandContext ( ) , processDefinition , process , bpmnModel ) ; timerManager . removeObsoleteTimers ( processDefinition ) ; timerManager . scheduleTimers ( processDefinition , process ) ; }
target:  Updates all timers and events for the process definition.  This removes obsolete message and signal subscriptions and timers, and adds new ones.