public bool shouldExit(FlowElement current)
{
if (current == null)
{
return false;
}
if (isExitFlow())
{
return true;
}
bool loop = current.type.Equals(TYPE_LOOP) || current.type.Equals(TYPE_RETRY);
if (isExitLoop() )
{
if (loop)
{
done = true;
}
}else if (isExitParent())
{
done = true;
}else if (current.name != null)
{
if (from.Equals(current.name))
{
done = true;
}
}
return true;
}
public bool shouldExit(FlowElement current)
{
if (exit != null)
{
return(exit.shouldExit(current));
}
return(false);
}
public FlowElement pushNextNode()
{
FlowElement parent = current();
FlowElement child = pushNode(parent.nodeIndex);
parent.nextNodeIndex();
return(child);
}
public FlowElement push(FlowElement node)
{
if (node.id == 0)
{
node.id = newFlowElementID();
}
FlowElement next = node.Clone() as FlowElement;
state.Push(next);
return next;
}
public FlowElement push(FlowElement node)
{
if (node.id == 0)
{
node.id = newFlowElementID();
}
FlowElement next = node.Clone() as FlowElement;
state.Push(next);
return(next);
}
public static bool isRoot(FlowElement flowElement)
{
return(flowElement.type.Equals(FlowElement.TYPE_ROOT));
}
public bool shouldExit(FlowElement current)
{
if (exit != null)
{
return exit.shouldExit(current);
}
return false;
}
public static bool isRoot(FlowElement flowElement)
{
return flowElement.type.Equals(FlowElement.TYPE_ROOT);
}
/*protected bool validateMessage(FlowState state, IData pipeline, bool inOpt)
* {
* NSService svc = getService(state.getNamespace(), NSName.create(getNSName()));
*
* int vo = inOpt ? svc.getInputValidatorOptions() : svc.getOutputValidatorOptions();
* if (vo == 2)
* {
* IData val = null;
*
* NSRecord nsr = inOpt ? svc.getSignature().getInput() : svc.getSignature().getOutput();
*
* ValidatorOptions vtorOpts = Validator.getDefaultOptions();
*
* Validator vtor = Validator.create(pipeline, nsr, vtorOpts);
* boolean valid = false;
* Exception ex = null;
* try
* {
* val = vtor.validate();
* IDataCursor ic = val.getCursor();
* if (ic.first("isValid"))
* {
* valid = IDataUtil.getBoolean(ic);
* }
* ic.destroy();
* }
* catch (Exception e)
* {
* ex = e;
* }
* if ((!valid) || (ex != null))
* {
* Object[] subs = { svc.getNSName().getFullName(), FlowInvoke.getValidationMsgs(val) };
* if (ex == null)
* {
* ex = new FlowException(FlowExceptionBundle.class, inOpt? FlowExceptionBundle.FAILED_INPUT_VALIDATION : FlowExceptionBundle.FAILED_OUTPUT_VALIDATION, "", subs);
* }
* handleError(state, ex);
* }
* return valid;
* }
* return true;
* }*/
public override void invoke(FlowState flowState)
{
bool isRoot = FlowState.isRoot(this);
bool disabled = false;
FlowElement last = flowState.last;
if ((last != null) && (!last.enabled))
{
disabled = true;
}
if (flowState.shouldExit(this) ||
(flowState.error == null && exitOn == SUCCESS && !start && !map && !disabled) ||
(flowState.error != null && exitOn == FAILURE))
{
flowState.done = true;
flowState.willExit();
return;
}
if (flowState.error != null)
{
FlowExceptionHandler fex = flowState.flowExHandler;
if (fex != null)
{
fex.resetException();
}
flowState.error = null;
IData pipe = flowState.pipeline;
IDataCursor cursor = pipe.getCursor();
while (cursor.first() && cursor.delete())
{
}
cursor.destroy();
IDataUtil.append(save_pipeline, pipe);
}
else
{
save_pipeline = IDataUtil.clone(flowState.pipeline);
}
if (flowState.pushNextNode() == null)
{
flowState.done = true;
if (isRoot && flowState.incremental)
{
if (flowState.shouldExit(this) ||
(flowState.error == null && exitOn == SUCCESS && !start && !map && !disabled) ||
(flowState.error != null && exitOn == FAILURE))
{
flowState.done = true;
flowState.willExit();
}
}
}
else
{
map = flowState.current().type.Equals(TYPE_MAP);
}
if (start)
{
start = false;
}
}
