コード例 #1
0
  /**
   * (Re-)Adds the ports to the node of a component, having at least one port with a non-loop edge.
   * The ports are added as the direct neighbor of a port they are connected to via an edge.
   *
   * @param component The component whose ports have to get re-added.
   */
  public void addComponentWithNonLoopEdges(final ConnectedSelfLoopComponent component) {
    // the node we are working on
    final LNode node = component.getNode();
    // Set of all ports of the components that are hidden. Initially all ports that CAN be hidden.
    final Set<LPort> hiddenPorts = Sets.newHashSet(component.getHidablePorts());
    // Iterator holding all ports that already have a portSide specified. Initially these are
    // all ports with an non-loop edge connected to them. While processing the elements, we will
    // add new ports to this Iterator. So we need a ListIterator.
    final ListIterator<LPort> portsWithSideIter =
        Lists.newLinkedList(component.getNonLoopPorts()).listIterator();

    while (portsWithSideIter.hasNext()) {
      final LPort portWithSide = portsWithSideIter.next();
      if (portWithSide.getOutgoingEdges().isEmpty()) {
        // inbound port
        for (final LEdge edgeWithHiddenPort : portWithSide.getIncomingEdges()) {
          final LPort hiddenPort = edgeWithHiddenPort.getSource();
          if (hiddenPorts.contains(hiddenPort)) {
            final ListIterator<LPort> nodePortIter = node.getPorts().listIterator();
            LPort portOnNode = nodePortIter.next();
            // find the port with side ...
            while (!portOnNode.equals(portWithSide)) {
              portOnNode = nodePortIter.next();
            }
            // ... and add the hidden port on it's right side
            nodePortIter.add(hiddenPort);
            portsWithSideIter.add(hiddenPort);
            setSideOfPort(hiddenPort, portWithSide.getSide());
            // ensure the next element will be our new added element
            portsWithSideIter.previous();
            portsWithSideIter.previous();
            hiddenPorts.remove(hiddenPort);
          }
        }
      } else {
        // outbound port
        for (final LEdge edgeWithHiddenPort : portWithSide.getOutgoingEdges()) {
          final LPort hiddenPort = edgeWithHiddenPort.getTarget();
          if (hiddenPorts.contains(hiddenPort)) {
            final ListIterator<LPort> nodePortIter = node.getPorts().listIterator();
            LPort portOnNode = nodePortIter.next();
            // find the port with side ...
            while (!portOnNode.equals(portWithSide)) {
              portOnNode = nodePortIter.next();
            }
            // ... and add the hidden port on it's left side
            nodePortIter.previous();
            nodePortIter.add(hiddenPort);
            portsWithSideIter.add(hiddenPort);
            setSideOfPort(hiddenPort, portWithSide.getSide());
            // ensure the next element will be our new added element
            portsWithSideIter.previous();
            portsWithSideIter.previous();
            hiddenPorts.remove(hiddenPort);
          }
        }
      }
    }
  }
コード例 #2
0
 /**
  * Removes all sides from the list of available sides, that already have an port places on it.
  * Use to make sure no loops will be places on sides with ports containing non-loop edges.
  */
 public void removeOccupiedSides() {
   for (final LPort port : node.getPorts()) {
     loopSides.removeSide(LoopSide.fromPortSides(port.getSide()));
   }
 }