public FirstTaskForm findStartEventForm(ProcessDefinitionEntity processDefinitionEntity) {
FirstTaskForm firstTaskForm = new FirstTaskForm();
firstTaskForm.setExists(true);
firstTaskForm.setProcessDefinitionId(processDefinitionId);
firstTaskForm.setTaskForm(false);
DefaultFormHandler formHandler =
(DefaultFormHandler) processDefinitionEntity.getStartFormHandler();
if (formHandler.getFormKey() != null) {
String formKey = formHandler.getFormKey().getExpressionText();
firstTaskForm.setFormKey(formKey);
firstTaskForm.setActivityId(processDefinitionEntity.getInitial().getId());
}
return firstTaskForm;
}
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;
}