private void addStartState() {
builder
.createActivity("start")
.initial()
.behavior(behaviorFactory.startBehavior())
.transition(genNextActivityId())
.endActivity();
}
@Override
public void addService(
String name,
String id,
List<ServiceParam> parameters,
List<Output> output,
List<TaskErrorReasonType> errorsToIgnore) {
addActivity(
behaviorFactory.serviceBehaviorInstance(
name, id, parameters, output, registry, errorsToIgnore));
}
@Override
public void addParallel(List<ExecutionFlow> threads) {
if (threads.size() >= 2) {
String forkActivityId = popCurrentId();
String joinActivityId = "join-" + popCurrentId();
// split executions with fork
String[] flowIds =
splitExecution(
forkActivityId, behaviorFactory.forkBehaviorInstance(), threads.size(), null);
addFlows(flowIds, threads, joinActivityId);
// add join
builder
.createActivity(joinActivityId)
.behavior(behaviorFactory.joinBehaviorInstance())
.transition(genNextActivityId())
.endActivity();
} else if (threads.size() == 1) {
addFlow(threads.get(0));
}
}
private void addFlows(String[] flowIds, List<ExecutionFlow> flows, String endingActivityId) {
for (int i = 0; i < flowIds.length; i++) {
nextActivityId = flowIds[i];
addFlow(flows.get(i));
// end the flow
builder
.createActivity(nextActivityId)
.behavior(behaviorFactory.emptyBehaviorInstance())
.transition(endingActivityId)
.endActivity();
}
}
@Override
public void addConditional(
String condition, ExecutionFlow onTrueFlow, ExecutionFlow onFalseFlow) {
String conditionStartActivityId = popCurrentId();
String endingActivityId = "condition-end-" + popCurrentId();
List<ExecutionFlow> flows = Arrays.asList(onTrueFlow, onFalseFlow);
String[] flowIds =
splitExecution(
conditionStartActivityId,
behaviorFactory.decisionBehaviorInstance(condition),
flows.size(),
Arrays.asList("onTrue", "onFalse"));
addFlows(flowIds, flows, endingActivityId);
nextActivityId = endingActivityId;
}
private void addProcessEndState() {
builder
.createActivity(nextActivityId)
.behavior(behaviorFactory.waitBehavior(null))
.endActivity();
}
@Override
public void addScript(String scriptBody) {
addActivity(behaviorFactory.scriptBehavior(scriptBody));
}
@Override
public void addWait(String expression) {
addActivity(behaviorFactory.waitBehavior(expression));
}