private void handleGeneralTaskDtoProperties(KickstartTask baseTaskDto, Task task) {
// task id
baseTaskDto.setId(task.getId());
// task name
baseTaskDto.setName(task.getName());
// task description
if (!task.getDocumentation().isEmpty()) {
baseTaskDto.setDescription(task.getDocumentation().get(0).getText());
}
}
public KickstartWorkflow convertToKickstartWorkflow(Definitions definitions) {
KickstartWorkflow adhocWorkflow = new KickstartWorkflow();
for (BaseElement baseElement : definitions.getRootElement()) {
if (baseElement instanceof org.activiti.kickstart.bpmn20.model.Process) {
org.activiti.kickstart.bpmn20.model.Process process =
(org.activiti.kickstart.bpmn20.model.Process) baseElement;
// Process name and description
adhocWorkflow.setName(process.getName());
if (!process.getDocumentation().isEmpty()) {
adhocWorkflow.setDescription(process.getDocumentation().get(0).getText());
}
// user tasks
Map<String, Task> tasks = new HashMap<String, Task>();
Map<String, ParallelGateway> gateways = new HashMap<String, ParallelGateway>();
Map<String, List<SequenceFlow>> sequenceFlows = new HashMap<String, List<SequenceFlow>>();
for (FlowElement flowElement : process.getFlowElement()) {
if (flowElement instanceof Task) {
tasks.put(flowElement.getId(), (Task) flowElement);
}
if (flowElement instanceof ParallelGateway) {
gateways.put(flowElement.getId(), (ParallelGateway) flowElement);
}
if (flowElement instanceof SequenceFlow) {
SequenceFlow sequenceFlow = (SequenceFlow) flowElement;
String sourceRef = sequenceFlow.getSourceRef().getId();
if (!sequenceFlows.containsKey(sourceRef)) {
sequenceFlows.put(sourceRef, new ArrayList<SequenceFlow>());
}
sequenceFlows.get(sourceRef).add(sequenceFlow);
}
}
// Follow sequence flow to discover sequence of tasks
SequenceFlow currentSequenceFlow =
sequenceFlows.get(KickstartWorkflow.START_NAME).get(0); // Can be only one
while (!currentSequenceFlow.getTargetRef().getId().equals(KickstartWorkflow.END_NAME)) {
String targetRef = currentSequenceFlow.getTargetRef().getId();
KickstartTask taskDto = null;
if (tasks.containsKey(targetRef)) {
taskDto = convertToKickstartTask((Task) currentSequenceFlow.getTargetRef());
currentSequenceFlow =
sequenceFlows
.get(currentSequenceFlow.getTargetRef().getId())
.get(0); // Can be only one
adhocWorkflow.addTask(taskDto);
} else if (gateways.containsKey(targetRef)) {
Task task = null;
for (int i = 0; i < sequenceFlows.get(targetRef).size(); i++) {
SequenceFlow seqFlowOutOfGateway = sequenceFlows.get(targetRef).get(i);
task = (Task) seqFlowOutOfGateway.getTargetRef();
taskDto = convertToKickstartTask(task);
if (i > 0) {
taskDto.setStartWithPrevious(true);
}
adhocWorkflow.addTask(taskDto);
}
String parallelJoinId =
sequenceFlows.get(task.getId()).get(0).getTargetRef().getId(); // any seqflow is ok
currentSequenceFlow = sequenceFlows.get(parallelJoinId).get(0); // can be only one
}
} // end while
}
}
return adhocWorkflow;
}