/**
* This method checks to determine whether the specified port is allowed to have incoming flows
* attached to it.
*
* @param portView
* @return true if flows can end at this port, false otherwise.
*/
private boolean acceptsIncomingFlows(PortView portView) {
CellView parentView = portView.getParentView();
YAWLPort yawlPort = (YAWLPort) portView.getCell();
YAWLCell vertex = (YAWLCell) parentView.getCell();
return yawlPort.acceptsIncomingFlows()
&& vertex.acceptsIncomingFlows()
&& getNet().acceptsIncomingFlows(vertex);
}
/**
* This method checks to determine whether the specified port can have outgoing flows drawn from
* it.
*
* @param portView
* @return true if flows can start from this port, false otherwise.
*/
private boolean generatesOutgoingFlows(PortView portView) {
CellView parentView = portView.getParentView();
YAWLPort yawlPort = (YAWLPort) portView.getCell();
YAWLCell vertex = (YAWLCell) parentView.getCell();
return yawlPort.generatesOutgoingFlows()
&& vertex.generatesOutgoingFlows()
&& getNet().generatesOutgoingFlows(vertex);
}