Examples of org.openbp.core.model.item.process.NodeSocket

Package org.openbp.core.model.item.process

Examples of org.openbp.core.model.item.process.NodeSocket

org.openbp.core.model.item.process.NodeSocket
A node socket constitutes an entry or an exit of a node. The node parameter contains the same data as an activity parameter, but may have a control link connected to it. The socket may have a number of parameters.
An exit socket can be designated as default socket. If the node is not implemented yet, the engine will use this socket as output path of the node. @author Heiko Erhardt


      // List of source nodes that have been copied
      ArrayList copiedSourceNodes = new ArrayList();


      // Socket that contains the selected parameters
      NodeSocket paramHolder = null;


      for (FigureEnumeration fe = workspaceView.selectionElements(); fe.hasMoreElements();)
      {
        Figure next = fe.nextFigure();


        if (next instanceof NodeFigure)
        {
          NodeFigure nodeFigure = (NodeFigure) next;
          nodeFigure.encodeGeometry();


          Node node = nodeFigure.getNode();


          // Remember that we have copied this one
          copiedSourceNodes.add(node);


          // Clone the node and add it to the process
          node = (Node) node.clone();
          process.addNode(node);


          copyFlavor = ClientFlavors.PROCESS_ITEM;
        }


        else if (next instanceof TextElementFigure)
        {
          TextElementFigure textElementFigure = (TextElementFigure) next;
          textElementFigure.encodeGeometry();


          TextElement textElement = textElementFigure.getTextElement();


          // Clone the element and add it to the process
          textElement = (TextElement) textElement.clone();
          process.addTextElement(textElement);


          copyFlavor = ClientFlavors.PROCESS_ITEM;
        }


        else if (next instanceof SocketFigure)
        {
          SocketFigure socketFigure = (SocketFigure) next;
          socketFigure.encodeGeometry();


          NodeSocket socket = socketFigure.getNodeSocket();


          if (socketHolder == null)
          {
            socketHolder = new ActivityNodeImpl();
            socketHolder.setName("NodeDummy");
            process.addNode(socketHolder);
          }


          // Clone the socketand add it to the dummy node
          socket = (NodeSocket) socket.clone();
          socketHolder.addSocket(socket);


          copyFlavor = ClientFlavors.NODE_SOCKETS;
        }

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          // Add all sockets to the selected node
          List sockets = node.getSocketList();
          int n = sockets.size();
          for (int i = 0; i < n; ++i)
          {
            NodeSocket socket = (NodeSocket) sockets.get(i);


            socket = (NodeSocket) socket.clone();


            NamedObjectCollectionUtil.createUniqueName(socket, targetNode.getSocketList());


            targetNode.addSocket(socket);
            socket.maintainReferences(ModelObject.RESOLVE_GLOBAL_REFS | ModelObject.RESOLVE_LOCAL_REFS);


            // Add the corresponding socket figure and select it
            // TODO Feature 5: We should take care that an existing socket is not overlayed by the new socket
            SocketFigure socketFigure = nodeFigure.addSocket(socket);
            workspaceView.addToSelection(socketFigure);

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        Figure figure = fe.nextFigure();
        if (figure instanceof SocketFigure)
        {
          // Get the node figure to add the sockets to
          SocketFigure socketFigure = (SocketFigure) figure;
          NodeSocket targetSocket = socketFigure.getNodeSocket();


          // Get the source node that contains the params
          ActivityNodeImpl node = (ActivityNodeImpl) source.getNodeByName("NodeDummy");


          workspaceView.clearSelection();


          // Add all params of the only socket of the source node to the selected node
          NodeSocket socket = (NodeSocket) node.getSocketList().get(0);
          List params = socket.getParamList();
          int n = params.size();
          for (int i = 0; i < n; ++i)
          {
            NodeParam param = (NodeParam) params.get(i);

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        // Print a newline to separate the node from the last one
        w.println();
      }
      start = false;


      NodeSocket entrySocket = null;
      NodeSocket exitSocket = null;


      if (socket.isEntrySocket())
      {
        // Entry socket specified, determine the default exit socket
        entrySocket = socket;
        exitSocket = node.getDefaultExitSocket();
      }
      else
      {
        // Exit socket specified, no entry socket (e. g. for initial node)
        exitSocket = socket;
      }


      String comment = node.getDisplayText();
      if (comment != null)
      {
        w.printComment(comment, JavaTemplateWriter.COMMENT_SHORT);
      }


      if (node instanceof DecisionNode)
      {
        // Decision node: if-then-else statement
        DecisionNode decisionNode = (DecisionNode) node;


        // Determine the outgoing sockets of the decision node
        // and advance to the entry socket of the next nodes.
        NodeSocket yesSocket = getNamedSocket(node, CoreConstants.SOCKET_YES);
        yesSocket = ((ControlLink) yesSocket.getControlLinks().next()).getTargetSocket();
        NodeSocket noSocket = getNamedSocket(node, CoreConstants.SOCKET_NO);
        noSocket = ((ControlLink) noSocket.getControlLinks().next()).getTargetSocket();


        Node joinNode = skipDecisionNodeBranches(decisionNode);


        printDecisionNodeCondition(decisionNode, entrySocket);
        printDecisionNodeThen(decisionNode, yesSocket, joinNode);

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    throws CodeGeneratorException
  {
    // Determine the outgoing sockets of the decision node
    // and advance to the entry socket of the next nodes.


    NodeSocket yesSocket = getNamedSocket(decisionNode, CoreConstants.SOCKET_YES);
    yesSocket = ((ControlLink) yesSocket.getControlLinks().next()).getTargetSocket();


    NodeSocket noSocket = getNamedSocket(decisionNode, CoreConstants.SOCKET_NO);
    noSocket = ((ControlLink) noSocket.getControlLinks().next()).getTargetSocket();


    return findJoiningNode(decisionNode, yesSocket, noSocket);
  }

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  protected NodeSocket getNamedSocket(Node node, String name)
    throws CodeGeneratorException
  {
    for (Iterator itSockets = node.getSockets(); itSockets.hasNext();)
    {
      NodeSocket socket = (NodeSocket) itSockets.next();


      if (socket.getName().equals(name))
      {
        if (! socket.hasControlLinks())
        {
          errMsg("Error: Socket '" + name + "' of node '" + node.getQualifier() + "' not connected.");
          throw new CodeGeneratorException();
        }
        return socket;

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    qualifier.setItemType(ItemTypes.PROCESS);
    ProcessItem process = (ProcessItem) modelMgr.getItemByQualifier(qualifier, true);
  
    Node startNode = process.getNodeByName("Start");
    assertTrue(startNode instanceof InitialNode);
    NodeSocket socket = (NodeSocket) startNode.getDefaultEntrySocket();
    
    List socketDescriptorList = ModelInspectorUtil.determinePossibleExits(socket, WaitStateNode.class, false);
    assertEquals(4, socketDescriptorList.size());


    Node waitStateNode = process.getNodeByName("WaitState");

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        }
        else
        {
          // We may do this if the socket of the selected figure does not have a control link
          // attached or if the node of the socket supports multiple exit links
          NodeSocket socket = selectedSocketFigure.getNodeSocket();


          if (!socket.hasControlLinks() || socket.getNode().isMultiExitLinkNode())
          {
            // An exit socket with no Links has been selected
            sourceSocketFigure = selectedSocketFigure;
            targetSocketFigure = newNodeFigure.getConnectableSocket(true);
          }

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      {
        Object o = selection.get(iSelected);
        if (o instanceof SocketFigure)
        {
          // Socket selected; add itsmodel qualifier 
          NodeSocket socket = ((SocketFigure) o).getNodeSocket();
          qualifiers.add(socket.getQualifier());
        }
        else if (o instanceof NodeFigure)
        {
          // Node selected; add the Qualifiers of all of its sockets
          Node node = ((NodeFigure) o).getNode();
          for (Iterator itSockets = node.getSockets(); itSockets.hasNext();)
          {
            NodeSocket socket = (NodeSocket) itSockets.next();
            qualifiers.add(socket.getQualifier());
          }
        }
        else if (o instanceof FlowConnection)
        {
          // Control link selected; add the Qualifiers of its start end end sockets

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        if (ie.isDataFlavorSupported(ClientFlavors.INITIAL_NODE))
          node = (SingleSocketNode) ie.getSafeTransferData(ClientFlavors.INITIAL_NODE);
        else
          node = (SingleSocketNode) ie.getSafeTransferData(ClientFlavors.FINAL_NODE);


        final NodeSocket socket = node.getSocket();


        setupSocketContextMenu(ie, socket);
      }


      // Sockets: -> set/clear Breakpoints, run to here
      if (ie.isDataFlavorSupported(ClientFlavors.NODE_SOCKET))
      {
        final NodeSocket socket = (NodeSocket) ie.getSafeTransferData(ClientFlavors.NODE_SOCKET);


        setupSocketContextMenu(ie, socket);
      }


      return EVENT_HANDLED;

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