/**
* Return a list of source ports connected to this port on the same layer that can send data to
* this port. This includes output ports that are connected on the outside to this port, and input
* ports that are connected on the inside to this port.
*
* @param input TypedIOPort
* @return A list of IOPort objects.
*/
private LinkedList _shallowSourcePortList(TypedIOPort input) {
try {
_workspace.getReadAccess();
Actor container = (Actor) input.getContainer();
Director excDirector = ((Actor) container).getExecutiveDirector();
int depthOfContainer = ((NamedObj) container).depthInHierarchy();
LinkedList result = new LinkedList();
Iterator ports = input.connectedPortList().iterator();
while (ports.hasNext()) {
IOPort port = (IOPort) ports.next();
int depth = port.depthInHierarchy();
if (port.isInput() && (depth <= depthOfContainer)) {
result.addLast(port);
} else if (port.isOutput() && (depth == (depthOfContainer + 1))) {
result.addLast(port);
}
}
return result;
} finally {
_workspace.doneReading();
}
}
/**
* Return the list of sending (up-stream) ports that are connected to the specified port. This
* treats every port as an opaque port.
*
* @param port The specified port.
* @return The list of sending ports.
*/
protected static List<IOPort> _getSourcePortList(IOPort port) {
List<IOPort> result = new ArrayList<IOPort>();
for (IOPort connectedPort : (List<IOPort>) port.connectedPortList()) {
boolean isInput = connectedPort.isInput();
boolean isCompositeInput =
connectedPort.getContainer() instanceof CompositeEntity
&& isInput
&& port.depthInHierarchy() > connectedPort.depthInHierarchy();
if (!isInput || isCompositeInput) {
result.add(connectedPort);
}
}
return result;
}