Cardinality of subnode(Model node)

Hello all,
is it possible to change the cardinality of a sub node...which belongs to a Model node?
For example:
node: Zbapi
output
outtable <---this table is coming from bapi.....
tables are bi-directional data container....i can pass the data to the bapi using these...
I cannot change the cardinality of the table so i am getting null pointer exception...if i try to set any attribute of outtable....any help on this....will be greatly appreciated....
Thanks...

solved the issue...
My problem was not initializing the imported table.
my context was like this:
Zbapi
---output
-ztab <this table was coming from bapi under the import parameter and is type of ztab1 which is the table type in data dictionary.
what i did is declare a variable of type
Zbapi input = new Zbapi();
ztab1 tab;
for(i=0;i<size;i++){
tab = new ztab1();
input.addztab(tab)
the "size" is coming from user input value from previous view...
this for loop is in wdDoInit() method of component controller.
Thanks for your help

Similar Messages

  • How can I change the cardinality of Model Node?

    Hi everybody
    How can I change the cardinality of Model Node?
    Previous:
    I import a Model RFC, and some nodes has the cardinality 0..1, but with this configuration, when I bind to the text fields of my webdynpro and deploy, all my fields text are unables when I shows the webdynpro.
    I check RFC and all the fields and estructures are obligatories.

    Hi Jesus,
    You cannot change the cardinality of the model node. All  the properties of the Model node are derived from the Model object.
    Your input fields are disabled because you are not creating your model object properly.
    You can import the example project TutWD_FlightList, which is available in c:\Program Files\SAP\IDE\IDE70\eclipse\examples.
    Import it in NWDS and you can see how to initialize model object properly.
    Thanks
    Prashant

  • Unable to add value to model node with cardinality 0..n

    Hi All,
       Im working with Webdynpro Java.i have an issue here.i have a input field item named customer and a drop down box item location.when i give customer and location as inputs,a WSDL (named Equipment WSDL) is called.the result is a  drop down list containing equipments id
    i took a custom node location with cardinaliy 0..n.i gave static values as input for location.i need to set the location values to model node location.when i m giving a single value to custom node location,that static value is not accepted by model node location(in WSDL) whose cardinality is 0..n.
    Please suugest a solution for this issue
    With Regards,
    Ushasri.

    HI Ushashri,
    What do you mean by 'static value is not accepted by model node location'
    how you have done the mapping
    send me the hierarchy of rfc and ur value node
    With Regards
    Naidu

  • How to set value to Model Node of cardinality 0..N

    hi
    I am looking for a way to set value to a model node of cardinality 0..N
    i imported a WSDL into my applicaion , which has the following Node Structure.
    Context
    --- ModelNode_Request
          ---ModelNode2_Input
          ---ModleNode3_Roles  [ cardinality 0..n singleton 1..1]
               ****Model_Attribute RoleID     <<<<<<<<<<<<
               ****Model_Attribute SysID      <<<<<<<<<<<<
      ---ModelNode_Response
    i tried with the below code  but effort went in vain.
    i tried following ways to set the value but , i get Nullpointer expection error.
         wdContext.nodeRequest__SubmitRequest().nodeRequestDetails().nodeRoles().
              currentRolesElement().setRoleId("BASIC");
         wdContext.nodeRequest__SubmitRequest().nodeRequestDetails().nodeRoles().
              currentRolesElement().setSysId("R3_220");
    i aslo looked into the forum  https://www.sdn.sap.com/irj/scn/thread?messageID=2035342 but couldnt find any solid solution.
    It would be great if some one can throw some snippets on the same.
    Thanks
    Edited by: RR on Dec 22, 2008 5:48 PM

    Hi RR,
    As far as i know u can set model nodes and values nodes are different. whats shown in the link is for values node. u should do differently for model node..
        Since this is a model node...u first need to create an object of the node type. then create an arraylist for that and then add values..
    try this..
    // Create an object for structures in the node to be used
    Yweb_Po_Items objPOItems = null; // where Yweb_Po_Items is the structure of the node...
    // Create an abstractlist for structures in the RFC node to be used, if u are planning to give single or multiple rows (in node/table) as input to the RFC
    AbstractList POObjAbsList = new Yweb_Po_Items.Yweb_Po_Items_List();
    objPOItems = new Yweb_Po_Items();
    //    /set first set of values
    objPOItems.setColumn1(u201Cabcu201D); // here hard codede for example
    objPOItems.setColumn2(u201Cabcfghu201D);
    // add the object to the abstract list
    POObjAbsList.add(objPOItems);
    //    /set second set of values
    objPOItems.setColumn1(u201Cnewabcu201D);
    objPOItems.setColumn2(u201Cnewabcfghu201D);
    // add the object to the abstract list again
    POObjAbsList.add(objPOItems); // now u got 2 records
    // now set the abstractlist to the node in the RFC
    objGoodsReceiptPO.setPo_Items_In(POObjAbsList);
    Hope this information is useful...
    Thanks
    Md. Yusuf

  • Problem in mapping model node with cardinality

    Hi,
    I have a requirement where the RFC  which is being called has cradinality 0..n.
    I imported the RFC model in a different DC and then added the model to public part.
    Then, I used that model in the second dc.
    Now, I did context mapping with the component controlller by dragging the model context to the
    component controller. The view is also mapped with the component controller.
    The RFC has input field BUS_PART_NO which is a 12 character input field.
    I passed String in it.
    There is no error while I build the DC. But while I run the application, the input field is coming Read Only.
    I can't changed the component controller to 1..n or 1...1.
    I think I need to create a context node and attribute in the view or component controller and then programmatically add this
    to the model node.
    Please send some SDN links and urls.
    Regards
    Neha Singh

    Hi Neha,
    Please create the custom context node/attribute same structure as RFC model node. then populate the data using below following code :
    - get the size of the RFC model node which you want to populate in the costom node like
    int xxx =  wdContext.node<XXX node>().size;
    - Create onject for custom node like
      I<Custyom Name>Element element = null;
    -  then use for loop for fetching data from Model node and populate in custom node
    for(int i =0; i<xxx; i++)
             element = wdContext.create<Custyom Name>();
             element.set<Attribute Name>(wdContext.node<XXX>().get<XXX>ElementAt(i).get<>Attribute name for model())
             wdContext.<Custyom Name>().addElement(element);
    It will populate in your custom node from model node.
    Hope it will helps you.
    Regards
    Arun

  • How to populate a Value Attribute of a Value Node inside Model Node

    Hello
    I have my context like this.
      Context
    ..          - ModelNode
    ....                      - Model Attr1
    ....                      - Model Attr2
    ....                      - Model Attr3
    ....                      - Model Attr4
    ....                      - Value Node
    ......                                  |
    ......                                   - Value Attr1
    Model Node is of Cardinality 0..N
    Value Node is of Cardinality 1..1
    I want to create multiple records in my Model Node and one record for every Model Node in Value Node.
    How to do this?
    All good suggestions are welcome.
    Regards,
    Shubham

    Hi Shubham,
    With your context structure the code will be
    for(int i = wdContext.nodeModelNode().size()-1 ; i>=0 ; i--)
        IPublic<comp name>.IModelNodeElement ele =   wdContext.nodeModelNode().getModelNodeElementAt(i);
        IPublic<comp name>.IValNodeElement valEle = wdContext.nodeModelNode().nodeValNode().createValNodeElement();
        valele.setValAttr("");
        ele.nodeValNode().addElement( valEle);
    Your val node should be non singleton (singleton property = false)
    Regards,
    Jaydeep

  • Accessing model node with cardianlity 1 to 1 throwing error

    Hello All,
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    I'm using CE 7.2 engine, and its very critical for me to complete this update.
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    Thanks for reply,
    but i can't understand what is myModel indicates in the below code?
    Request_EmployeeManagementLocal_updateEmployee reqMod =
          new Request_EmployeeManagementLocal_updateEmployee(myModel);
    //Check empl model class will be there , create an object for that
          Employee objEmpl=new Employee(myModel);
    regards,
    Pradeep Kumar

  • Cardinality Issue - WD Model (Form) Integration with BAPI

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    Hi Shahid,
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    thanks,
    Dipankar

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  • Unable to set Data in MODEL NODE ??????

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    selection - 0..1
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    selection - 0..1
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    Thanks in advance,
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    hi,
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    thanks
    PS here is a part of my code
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                   Zuname nom_end = new Zuname();
                   nom_start.setUname("P*"); //hard coded for the moment...
                   nom_end.setUname("Q*");
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                   input.setUname_End(nom_end);
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                        .execute();
                   // Synchronise the data in the context with the data in the model
                   wdContext.nodeOutput().invalidate();

  • Creation of new element in Model Node

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    Thanks & Regards
    Manoj Sahoo

    Hi Manoj,
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    regards
    Sumit

  • Need help to read model node input field attribute present in view - first time developer.

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    you can take reference from from below code as in above case we use BuilHeaderAdvancedSearch search object, to get current entity.
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