Callback parameters

TestStand 2.0.1
I am looking for a listing of the valid parameters for sequence file callbacks such as SequenceFileLoad and SequenceFilePostStepRuntimeError. I noticed in the example file
Examples\Callbacks\PostStepRuntimeErrorCallback\ErrorHandlerExample.seq
there are 2 parameters (Step and Result) that get passed to SequenceFilePostStepRuntimeError. Where are these parameters defined and are there more than 2 parameters that TestStand passes when it calls the callback?
I searched through the User and Programmer Manual that came with TestStand, but I couldn't locate more than just the name and descriptions of the callbacks. Am I missing something here?
Thanks,
Peter

Hi Peter,
Thats as good as it gets.
The only why to identfiy all the default parameters is to open the process model sequencefiles and inspect the parameters for each callback.
There is nothing to stop you modifying the default process sequencefiles and adding additional parameters to the callbacks.
Place any modified files in the \User\.. folders and use different filenames so as not stop the examples working.
You can then set your sequencefiles to use your modified process files in the properties of the sequencefile.
I maybe wrong but I still dont think Teststand 3.0 documentation lists the default parameters of the callbacks.
Regards
Ray Farmer
Regards
Ray Farmer

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Attachments:
TestFacility_2010.seq ‏8 KB

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Hi,
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WARNING: ADFc: Invalid column type
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     at weblogic.servlet.internal.RequestEventsFilter.doFilter(RequestEventsFilter.java:27)
     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:42)
     at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3496)
     at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
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     at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1406)
     at weblogic.work.ExecuteThread.execute(ExecuteThread.java:201)
     at weblogic.work.ExecuteThread.run(ExecuteThread.java:173)
07.09.2009 11:50:16 oracle.adf.controller.faces.lifecycle.FacesPageLifecycle addMessage
WARNUNG: ADFc: EJB Exception: : Lokaler Exception Stack:
Exception [TOPLINK-4002] (Oracle TopLink - 11g (11.1.1.0.1) (Build 081030)): oracle.toplink.exceptions.DatabaseException
Interne Exception: java.sql.SQLException: Ungültiger Spaltentyp
Fehlercode:17004
Aufruf:Select * from User where title in(?title)
     bind => [[Doctor,Bachelor]]Does anyone know a way how to pass a list of parameters
Thanks Bodhy

Hi,
One alternative way is to create String with , sepearted as pass the string to in clause.For example ,create a string ('Bachelor','Doctor') and pass this string to in clause.
Session session = getSessionFactory().acquireSession();
String params=( 'Bachelor','Doctor);
List<User> result = (List<User>)session.executeQuery("findUserByStatus", User.class, params);
session.release();
This is an alternative way and workaround which can work for Strings .
Or you can use EXpression to build the query to pass the collection as example given below.
Expression addressExpression;
ReadObjectQuery query = new ReadObjectQuery(Employee.class);
ExpressionBuilder emp = query.getExpressionBuilder();
addressExpression =
emp.get("address").get("city").equal(
emp.getParameter("employee").get("address").get("city"));
query.setName("findByCity");
query.setSelectionCriteria(addressExpression);
query.addArgument("employee");
Vector v = new Vector();
v.addElement(employee);
Employee e = (Employee) session.executeQuery(query, v);
Hope this helps.
Regards,
Vinay Kumar

Callback mechanism is not working in Javascript

JDK versions: Problem occurs in JRE1.4.2 and JRE1.5 (JRE142_05, 5.0 beta), but NOT JRE1.3.1.
OS: WIndows
Here is the problem Scenario
1. A Webpage ( GOM - Javascript ) is running
2. Clicking on a button in the above webpage will load an applet ( enc3 )
3. Once we are done with the applet, click on return button to go back to GOM
4. To return to GOM, function performMiniflowReturnWithMessage in the java file is called which in turn calls "this.getAppletContext().showDocument(new URL(miniFlowClosePage.toString()),"_top");".
Subsequently function closeMiniflowWindow() is called in the HTML page which in turn calls sendREsultsToGOM.
Here the call to ""opener."+returnStatusMethodName+"(status, msg, data);";" is throwing a javascript error in Sun plugin.
Exact text of error message:
The exact error message is ( JavaScript Error: http://nc3ft3a.ugd.att.com/enc3home/closeminiflowapplet.html??Callback=NC3_alertOnError&Status=-1&Msg=Neither E2EPVC_ODBIDS or ROUTER_ODBID Params was not sent to VPN applet.&, line 44: opener.NC3_alertOnError is not a function )
Here are our findings :
1. I could notice that "getAppletContext().showDocument" is one java api that customer is using and this is being called before application encounters problem reported that is the javascript error
2. showDocument API's functionality is that it requests that the browser or applet viewer show the Web page indicated by the url argument. This API has 2 parameters one is URL and other is the TARGET.
Target can be any one these
a. "_self" show in the current frame
b. "_parent"show in the parent frame
c. "_top" show in the topmost frame
d. "_blank" show in a new unnamed top-level windownameshow in a new top-level window named name
3. In the customer's application, for this API showdocument, URL argument passed is "enc3home/closeminiflowapplet.html?" and _top is passed as Target argument. Hence, the expected behaviour is that topmost frame of this URL that is GOM should be shown instead the above javascript error is thrown. The probable cause could be that instead of getting the link to GOM ( topmost window of enc3 ), application is getting link to enc3 itself.
4. Actually this.getAppletContext() as used in the application along with showDocument sun.plugin.viewer.context.NetscapeAppletContext. Therefore NetscapeAppletContext.showDocument is called within the application.
5. NetscapeAppletContext extends DefaultPluginAppletContext and the showDocument method of this class is called. This function inturn calls doShowDocument. I suspect these functions and this needs to be investigated.
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Application source code is available.

in this part:
if(document.LForm.uname.value==null || document.LForm.upassword.value==null)should be:
if(document.LForm.uname.value=="" || document.LForm.upassword.value=="")or
if(document.LForm.uname.value.length==0 || document.LForm.upassword.value.length==0)

Error in Bex Analyzer including the filter button command in Callback macro

Hello,
I have the following problem with the function filter button in the Bex Analyzer included in the callback macro:
Because of using 2 hierarchies in the filter the setting drill down to level 2 in the query gives no right output in the Bex Analyzer. The drill down level 2 is not shown. SAP recommends the include of a filter button to solve this problem. With a filter button in the sheet the problem was solved.
But after including the filter button command in the callback macro I get an error in MS Excel.
The callback macro starts, the filter was set by the user and the data was refreshed. Because of the refreshing of the filter the callback function the callback function starts several times. After setting the filter the first time, the following macro avoids the several starting of the set filter function:
Sub CallBack(ParamArray varname())
On Error GoTo err_handler
   Dim lRange As Range
   Set lRange = varname(1)
'Filter entfernend/delete filter
Dim ZeichenFilter As Long
ZeichenFilter = Len(Sheet4.Cells(41, 3).Value)
Dim Filter1 As String, Filter2 As String
Filter1 = Left(Sheet4.Cells(28, 3), ZeichenFilter)
Filter2 = Left(Sheet4.Cells(41, 3).Value, ZeichenFilter)
If Filter1 <> Filter2 And Filter2 <> "" Then
    onAction = True
    onAction = False
End If
'Filter setzen mit einmaligem durchlaufen/set filter and run one time
If onAction = False Then
    onAction = True
    Call Sheet4.BUTTON_55_Click
    onAction = False
End If
exit_handler:
    Exit Sub
err_handler:
    MsgBox Err.Description, vbOKOnly, "Error in " & " setMusterSub"
    Resume exit_handler
End Sub
After the filter was set the callback macro starts the second time. Then the Bex Analyzer erros with the sandglass. The working on VBA is possible, but not the working with Bex Analyer . Values in Excel werent shown.
How can I avoid this error?

Once I am adding VAR_VALUE_1 to the static parameters, the system generates two messages error:
Program error in class SAPMSSY1 method : UNCAUGHT_EXCEPTION
System error in program SAPLRRS2 and form GET_SID-1
Best Regards,
Hanit

Invoking ODI scenario from BPEL using Asynchronous callbacks

It has been given in many sites that for invoking an odi scenario, odi-public-ws.aar must be uploaded to AXIS2 framework as the web service uses AXIS2 as the web service container. For doing this first the AXIS2 should be deployed in OC4J.
I am working with a scenario like this. I didnt deploy AXIS2 and neither uploaded the odi-public-ws.aar. Still i am getting the result as success. BPEL is invoking the ODI scenario and callback is happening too.
I, also tried invoking ODI scenario in a remote system. Got the result for that too. I am using ODI 10.1.3.4 and J-Dev 10.1.3.3 and SOA suite 10.1.3.1.
Can anyone suggest how without AXIS2 framework the process is success?

Hi,
Thanks its working now. I am facing another issue. I do not use parameters in my Scenario. Now when i run my scenario i m getting the following error. I think its because i have not assigned anything to the Variable element. I guess its taking null value for Variable element here and cheking if such a variable exists. Have you come accross such an issue? If so, please sugest remedy.
java.lang.Exception: Specified variable not found in the Repository : null
     at com.sunopsis.dwg.dbobj.SnpSession.a(SnpSession.java)
     at com.sunopsis.dwg.dbobj.SnpSession.y(SnpSession.java)
     at com.sunopsis.dwg.dbobj.SnpSession.treatSessionPreTrt(SnpSession.java)
     at com.sunopsis.dwg.dbobj.SnpSession.treatSession(SnpSession.java)
     at com.sunopsis.dwg.cmd.DwgCommandScenario.treatCommand(DwgCommandScenario.java)
     at com.sunopsis.dwg.cmd.DwgCommandBase.execute(DwgCommandBase.java)
     at com.sunopsis.dwg.cmd.e.i(e.java)
     at com.sunopsis.dwg.cmd.h.y(h.java)
     at com.sunopsis.dwg.cmd.e.run(e.java)
     at java.lang.Thread.run(Thread.java:619)
Edited by: silas.john on May 13, 2009 1:29 AM

Problem with register event callback in use of instrument control

now, i use the register event callback to register a value change of a boolean control on the front panel, and wire the cluster's ref of the instrument control parameters to the user parameter input, then create the callback vi. In the callback vi, i select the pump-control subvi, and pass the user parameter to the subvi. The problem is that, when i press the boolean control, the instrument (here is pump) can act, but immediately, the code crashes.
I use labview 8.6
Attachments:
callback vi.png ‏8 KB
register event callback.png ‏8 KB

You would wire the event registration wire that comes out of the Register for Events node into an event structure. You will need to right click on the event structure and check off "Show Dynamic Event Terminals" and it into that. Then you can create a new Event Case that uses the dynamic event. You can place your subVI in that event in whatever way you want. (Just drop the subVI in or do a Call by Reference there, or whatever.) Look in the Example Finder for "Dynamically Register for Events.vi".

How to get the name of a duplicated control or created control and add a callback to it

Hi All,
Depending on how many input points I need, I am duplicating a numeric or string input with the DuplicateCtrl function. My question is, how do I get the name and id of the control that was just created, and how can i assign a callback to it? Alternately, would it be better to create a fresh ctrl instead of duplicating?
Thanks in advance!
Solved!
Go to Solution.

Hi TurboMetrologist,
why are you trying to get the control constant name? Keep in mind that you cannot use that name to address the control; control names are actually simply macros in the include file associated to the UIR, that is, the compiler preprocesses the code and wherever it finds PANEL_CONTROL names substitutes the corresponding numeric value as parameters to the functions (and consequently 'control' parameter is an int and not a char*)
That is why NewCtrl () or DuplicateCtrl () functions return a control ID: it is the handle to the new object, our only way to manipulate it. You will need to store this handle into a non-volatile memory so that you can access it durng program life.
Additionally, there are other ways to assign some particular meaning to a control than swiching on the control constant name. You could for example use the callbackData parameter to differentiate between different copies of a control.
Let me explain with an example. You told that you need several inputs (dynamically created as you don't know in advance how many of them to use); a clean solution could be to:
Design a master copy of one control in the UIR editor, where it is easy to customize it; assign also a callback function, if it has to be common to all copies of the control
Programmatically assign a callbackData value to that control, e.g. SetCtrlAttribute (..., ..., ATTR_CALLBACK_DATA, (void *)1);
Duplicate the control and then assign a different callbackData
for (i = 2; i < 5; i++) {
   handle = DuplicateCtrl (...);
   SetCtrlAttribute (..., handle, ATTR_CALLBACK_DATA, (void *)i);
By operating this way, every time the control callback is fired by any control it will receive the assigned callbackData, and you will be able to differentiate your code by a simple switch:
switch ((int)callbackData) {
   case 1:    // The master control
      break;
   case 2:    // The first duplicated control
      break;
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Event Handler with parameters

I am to create a generic event handler ro process XML
returned from the server. Its name is this code is "loadFormData".
Here is my code:
var params:Object = new Object();
params.requesttype = 'send';
params.datarequest = 'xml';
params.methodexecute = 'mProcessFileRequest';
params.formname = "FileIdAction";
params.fileid = parentApplication.cboFileList.id;
var t:loadFileData = new loadFileData();
xmlModuleData.addEventListener(ResultEvent.RESULT,
t.loadFormData(ResultEvent, frmGeneral));
var r:runXML = new runXML();
r.getXMLData(xmlModuleData, params);
It would work if I dont send any parameters to
t.loadFormData. But then it is not a generic solution. Is it
possible to send parameters to a callback function?
Thanks

Thanks Charlie
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Callback parameters

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