@SuppressWarnings("unchecked")
protected void addSignalEventSubscriptions(ProcessDefinitionEntity processDefinition) {
List<EventSubscriptionDeclaration> eventDefinitions =
(List<EventSubscriptionDeclaration>)
processDefinition.getProperty(BpmnParse.PROPERTYNAME_EVENT_SUBSCRIPTION_DECLARATION);
if (eventDefinitions != null) {
for (EventSubscriptionDeclaration eventDefinition : eventDefinitions) {
if (eventDefinition.getEventType().equals("signal") && eventDefinition.isStartEvent()) {
SignalEventSubscriptionEntity subscriptionEntity = new SignalEventSubscriptionEntity();
subscriptionEntity.setEventName(eventDefinition.getEventName());
subscriptionEntity.setActivityId(eventDefinition.getActivityId());
subscriptionEntity.setProcessDefinitionId(processDefinition.getId());
if (processDefinition.getTenantId() != null) {
subscriptionEntity.setTenantId(processDefinition.getTenantId());
}
subscriptionEntity.insert();
}
}
}
}
@SuppressWarnings("unchecked")
protected void addTimerDeclarations(
ProcessDefinitionEntity processDefinition, List<TimerEntity> timers) {
List<TimerDeclarationImpl> timerDeclarations =
(List<TimerDeclarationImpl>)
processDefinition.getProperty(BpmnParse.PROPERTYNAME_START_TIMER);
if (timerDeclarations != null) {
for (TimerDeclarationImpl timerDeclaration : timerDeclarations) {
TimerEntity timer = timerDeclaration.prepareTimerEntity(null);
if (timer != null) {
timer.setProcessDefinitionId(processDefinition.getId());
// Inherit timer (if appliccable)
if (processDefinition.getTenantId() != null) {
timer.setTenantId(processDefinition.getTenantId());
}
timers.add(timer);
}
}
}
}
public FirstTaskForm execute(CommandContext commandContext) {
ProcessDefinitionEntity processDefinitionEntity =
Context.getProcessEngineConfiguration()
.getDeploymentManager()
.findDeployedProcessDefinitionById(processDefinitionId);
if (processDefinitionEntity == null) {
throw new IllegalArgumentException("cannot find processDefinition : " + processDefinitionId);
}
if (processDefinitionEntity.hasStartFormKey()) {
return this.findStartEventForm(processDefinitionEntity);
}
ActivityImpl startActivity = processDefinitionEntity.getInitial();
if (startActivity.getOutgoingTransitions().size() != 1) {
throw new IllegalStateException(
"start activity outgoing transitions cannot more than 1, now is : "
+ startActivity.getOutgoingTransitions().size());
}
PvmTransition pvmTransition = startActivity.getOutgoingTransitions().get(0);
PvmActivity targetActivity = pvmTransition.getDestination();
if (!"userTask".equals(targetActivity.getProperty("type"))) {
logger.info("first activity is not userTask, just skip");
return new FirstTaskForm();
}
FirstTaskForm firstTaskForm = new FirstTaskForm();
firstTaskForm.setProcessDefinitionId(processDefinitionId);
firstTaskForm.setExists(true);
firstTaskForm.setTaskForm(true);
String taskDefinitionKey = targetActivity.getId();
logger.debug("activityId : {}", targetActivity.getId());
firstTaskForm.setActivityId(taskDefinitionKey);
TaskDefinition taskDefinition =
processDefinitionEntity.getTaskDefinitions().get(taskDefinitionKey);
Expression expression = taskDefinition.getAssigneeExpression();
if (expression != null) {
String expressionText = expression.getExpressionText();
logger.debug("{}", expressionText);
logger.debug("{}", startActivity.getProperties());
logger.debug("{}", processDefinitionEntity.getProperties());
firstTaskForm.setAssignee(expressionText);
} else {
logger.info("cannot find expression : {}, {}", processDefinitionId, taskDefinitionKey);
}
String initiatorVariableName =
(String)
processDefinitionEntity.getProperty(BpmnParse.PROPERTYNAME_INITIATOR_VARIABLE_NAME);
firstTaskForm.setInitiatorName(initiatorVariableName);
DefaultFormHandler formHandler = (DefaultFormHandler) taskDefinition.getTaskFormHandler();
if (formHandler.getFormKey() != null) {
String formKey = formHandler.getFormKey().getExpressionText();
firstTaskForm.setFormKey(formKey);
} else {
logger.info("cannot formKey : {}, {}", processDefinitionId, taskDefinitionKey);
}
return firstTaskForm;
}
@SuppressWarnings("unchecked")
protected void addMessageEventSubscriptions(ProcessDefinitionEntity processDefinition) {
CommandContext commandContext = Context.getCommandContext();
List<EventSubscriptionDeclaration> eventDefinitions =
(List<EventSubscriptionDeclaration>)
processDefinition.getProperty(BpmnParse.PROPERTYNAME_EVENT_SUBSCRIPTION_DECLARATION);
if (eventDefinitions != null) {
Set<String> messageNames = new HashSet<String>();
for (EventSubscriptionDeclaration eventDefinition : eventDefinitions) {
if (eventDefinition.getEventType().equals("message") && eventDefinition.isStartEvent()) {
if (!messageNames.contains(eventDefinition.getEventName())) {
messageNames.add(eventDefinition.getEventName());
} else {
throw new ActivitiException(
"Cannot deploy process definition '"
+ processDefinition.getResourceName()
+ "': there are multiple message event subscriptions for the message with name '"
+ eventDefinition.getEventName()
+ "'.");
}
// look for subscriptions for the same name in db:
List<EventSubscriptionEntity> subscriptionsForSameMessageName =
commandContext
.getEventSubscriptionEntityManager()
.findEventSubscriptionsByName(
MessageEventHandler.EVENT_HANDLER_TYPE,
eventDefinition.getEventName(),
processDefinition.getTenantId());
// also look for subscriptions created in the session:
List<MessageEventSubscriptionEntity> cachedSubscriptions =
commandContext.getDbSqlSession().findInCache(MessageEventSubscriptionEntity.class);
for (MessageEventSubscriptionEntity cachedSubscription : cachedSubscriptions) {
if (eventDefinition.getEventName().equals(cachedSubscription.getEventName())
&& !subscriptionsForSameMessageName.contains(cachedSubscription)) {
subscriptionsForSameMessageName.add(cachedSubscription);
}
}
// remove subscriptions deleted in the same command
subscriptionsForSameMessageName =
commandContext
.getDbSqlSession()
.pruneDeletedEntities(subscriptionsForSameMessageName);
for (EventSubscriptionEntity eventSubscriptionEntity : subscriptionsForSameMessageName) {
// throw exception only if there's already a subscription as start event
// no process instance-id = it's a message start event
if (StringUtils.isEmpty(eventSubscriptionEntity.getProcessInstanceId())) {
throw new ActivitiException(
"Cannot deploy process definition '"
+ processDefinition.getResourceName()
+ "': there already is a message event subscription for the message with name '"
+ eventDefinition.getEventName()
+ "'.");
}
}
MessageEventSubscriptionEntity newSubscription = new MessageEventSubscriptionEntity();
newSubscription.setEventName(eventDefinition.getEventName());
newSubscription.setActivityId(eventDefinition.getActivityId());
newSubscription.setConfiguration(processDefinition.getId());
newSubscription.setProcessDefinitionId(processDefinition.getId());
if (processDefinition.getTenantId() != null) {
newSubscription.setTenantId(processDefinition.getTenantId());
}
newSubscription.insert();
}
}
}
}