Blobs and refreshing the schema

Hi all,
I have two questions about Kodo 3.3.3.
1) About blobs. A blob is the serialization fof an object. Does Kodo store
the hashCode of the class (ir the serialVersionUID of the class) that was
used to serialize the object ? Will I have a problem if I want to get back
that blob with a recompiled version of that class, with a different
serialVersionUID ?
2) About the XML descriptors of the schema. I configured my mappingtool to
write the XML descriptor of the my schema in the base, it works very fine.
I can get these descriptor, class by class, with the command mappingtool
-a export -f dump.xml package.jdo, it's very handy. From the
documentation, I red that one can export this XML, edit it, import it back
in the base, and refresh the schema
(http://www.solarmetric.com/jdo/Documentation/3.3.3/docs/ref_guide_mapping_factory.html).
My problem is : I cant find the command to perform this refresh, the
schema is just not "synchronized" with the XML. Any hint ? :)
Btw, I came across a bug using SQL Server : a field named "index"
generated a column named "index", SQL Server was quite angry at that.
Sorry if this one is know already.
Thanks for your answers,
Jos__

1) About blobs. A blob is the serialization fof an object. Does Kodo store
the hashCode of the class (ir the serialVersionUID of the class) that was
used to serialize the object ? Will I have a problem if I want to get back
that blob with a recompiled version of that class, with a different
serialVersionUID ?Kodo just serializes the field value to a byte array using standard Java
serialization. So yes, you will have problems if the serialVersionUID of the
class changes. If you want more control over this process, you can create a
custom DBDictionary that overrides the serialize() method. Or you can use a
field of type byte[] and a byte-array mapping rather than a blob mapping, so
that Kodo doesn't do any serialization.
My problem is : I cant find the command to perform this refresh, the
schema is just not "synchronized" with the XML. Any hint ? :)Use the schema tool to synchronize the schema with the XML. See:
http://www.solarmetric.com/Software/Documentation/latest/docs/ref_guide_schema_schematool.html
Btw, I came across a bug using SQL Server : a field named "index"
generated a column named "index", SQL Server was quite angry at that.
Sorry if this one is know already.Thanks. We'll make sure this is fixed in Kodo 3.3.4.

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Hi,
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http://support.microsoft.com/en-us/kb/2969673/en-us
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Please advice how to fix the issue.
Thanks
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Hello,
seems to me that you maybe only updated the syncengine but not portal/webservice.
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Peter Stapf - ExpertCircle GmbH - My blog:
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ALV OO and refreshing the ALV grid

Hi,
i have some problems with my ALV 00 program.
On screen 1 i have to fill in a material number.
For that material i'm getting some data and show in screen 2 in a ALV grid.
Via BACK-button i'm getting back to screen 1 and can fill in another material number.
But the 2nd (and 3rd, etc) time i fill a material, the ALV grid data from material 1 is shown. Even if the internal table I_ALV where the data is, is changed.
What should i do ?
I have initialized the customer container and the grid, but that didn't solved the problem.
regards,
Hans

Hi,
Try clearing and refreshing the alv grid data table in screen 2.
Check with this code. this code is working fine. If we go back and change the input, it is showing the output corresponding to the second input only.
Have you use this method?
<b> GR_ALVGRID->REFRESH_TABLE_DISPLAY</b>
TYPE-POOLS : SLIS.
* Tables                                                              *
TABLES:
VBRK,
VBRP.
* Parameters and select options OR SELECTION SCREEN
SELECTION-SCREEN BEGIN OF BLOCK B1 WITH FRAME TITLE TEXT-001.
SELECT-OPTIONS:
            S_VBELN FOR VBRK-VBELN.
SELECTION-SCREEN END OF BLOCK B1.
* Internal Tables                                                     *
* work areas
DATA: BEGIN OF IT_VBRP OCCURS 0,
       VBELN LIKE VBRK-VBELN,
       POSNR LIKE VBRP-POSNR,
       UEPOS LIKE VBRP-UEPOS,
       FKIMG LIKE VBRP-FKIMG,
       NETWR LIKE VBRP-NETWR,
       MEINS LIKE VBRP-MEINS.
DATA : END OF IT_VBRP.
* Variables                                                           *
DATA : GR_ALVGRID TYPE REF TO CL_GUI_ALV_GRID,
       GC_CUSTOM_CONTROL_NAME TYPE SCRFNAME VALUE 'CC_ALV',
       GR_CCONTAINER TYPE REF TO CL_GUI_CUSTOM_CONTAINER,
       GT_FIELDCAT TYPE LVC_T_FCAT,
       GS_LAYOUT TYPE LVC_S_LAYO,
       V_FLAG VALUE 'X'.
* Start of Program                                                    *
*       INITIALIZATION.                                               *
INITIALIZATION.
S_VBELN-LOW = 1.
S_VBELN-HIGH = 1000000000.
S_VBELN-OPTION = 'EQ'.
S_VBELN-SIGN = 'I'.
APPEND S_VBELN.
*       SELECTION-SCREEN                                              *
AT SELECTION-SCREEN.
PERFORM VALIDATION.
*       START-OF-SELECTION                                            *
START-OF-SELECTION.
PERFORM GET_DATA.
CALL SCREEN 0100.
*       END-OF-SELECTION                                              *
END-OF-SELECTION.
*       TOP-OF-PAGE                                                   *
TOP-OF-PAGE.
*       END-OF-PAGE                                                   *
END-OF-PAGE.
*       AT USER-COMMAND                                               *
*&      Form VALIDATION
*       text
* --> p1        text
* <-- p2        text
FORM VALIDATION .
SELECT SINGLE VBELN
FROM VBRK
INTO VBRK-VBELN
WHERE VBELN IN S_VBELN.
IF SY-SUBRC <> 0.
    MESSAGE E000 WITH 'no billing documents found'.
ENDIF.
ENDFORM.                    " VALIDATION
*&      Form GET_DATA
*       text
* --> p1        text
* <-- p2        text
FORM GET_DATA .
SELECT VBELN
         POSNR
         UEPOS
         FKIMG
         NETWR
         MEINS
FROM VBRP
INTO TABLE IT_VBRP
WHERE VBELN IN S_VBELN.
ENDFORM.                    " GET_DATA
*&      Module DISPLAY_ALV OUTPUT
*       text
MODULE DISPLAY_ALV OUTPUT.
IF V_FLAG = 'X'.
    PERFORM DISPLAY_ALV.
    PERFORM PREPARE_FIELD_CATALOG CHANGING GT_FIELDCAT.
    PERFORM PREPARE_LAYOUT CHANGING GS_LAYOUT.
   CALL METHOD GR_ALVGRID->SET_TABLE_FOR_FIRST_DISPLAY
        EXPORTING
*      I_BUFFER_ACTIVE               =
*      I_BYPASSING_BUFFER            =
*      I_CONSISTENCY_CHECK           =
*      I_STRUCTURE_NAME              = 'VBRP'
*      IS_VARIANT                    =
*      I_SAVE                        =
*      I_DEFAULT                     = 'X'
          IS_LAYOUT                     = GS_LAYOUT
*      IS_PRINT                      =
*      IT_SPECIAL_GROUPS             =
*      IT_TOOLBAR_EXCLUDING          =
*      IT_HYPERLINK                  =
*      IT_ALV_GRAPHICS               =
*      IT_EXCEPT_QINFO               =
        CHANGING
          IT_OUTTAB                     = IT_VBRP[]
          IT_FIELDCATALOG               = GT_FIELDCAT
*      IT_SORT                       =
*      IT_FILTER                     =
        EXCEPTIONS
          INVALID_PARAMETER_COMBINATION = 1
          PROGRAM_ERROR                 = 2
          TOO_MANY_LINES                = 3
          OTHERS                        = 4
    IF SY-SUBRC <> 0.
      MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
                 WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
      CALL METHOD GR_ALVGRID->SET_READY_FOR_INPUT
        EXPORTING
          I_READY_FOR_INPUT = 1.
    ELSE.
      <b>CALL METHOD GR_ALVGRID->REFRESH_TABLE_DISPLAY
*    EXPORTING
*      IS_STABLE      =
*      I_SOFT_REFRESH =
        EXCEPTIONS
          FINISHED       = 1
          OTHERS         = 2
      IF SY-SUBRC <> 0.
        MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
                   WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
      ENDIF.</b>
    ENDIF.
    CLEAR V_FLAG.
ENDIF.
ENDMODULE.                 " DISPLAY_ALV OUTPUT
*&      Form DISPLAY_ALV
*       text
* --> p1        text
* <-- p2        text
FORM DISPLAY_ALV .
IF GR_ALVGRID IS INITIAL.
    CREATE OBJECT GR_ALVGRID
      EXPORTING
*    I_SHELLSTYLE      = 0
*    I_LIFETIME        =
        I_PARENT          = GR_CCONTAINER
*    I_APPL_EVENTS     = space
*    I_PARENTDBG       =
*    I_APPLOGPARENT    =
*    I_GRAPHICSPARENT =
*    I_NAME            =
      EXCEPTIONS
        ERROR_CNTL_CREATE = 1
        ERROR_CNTL_INIT   = 2
        ERROR_CNTL_LINK   = 3
        ERROR_DP_CREATE   = 4
        OTHERS            = 5
    IF SY-SUBRC <> 0.
      MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
                 WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
    ENDIF.
ENDIF.
ENDFORM.                    " DISPLAY_ALV
*&      Form PREPARE_FIELD_CATALOG
*       text
*      <--P_GT_FIELDCAT text
FORM PREPARE_FIELD_CATALOG CHANGING P_GT_FIELDCAT TYPE LVC_T_FCAT.
DATA : LS_FCAT TYPE LVC_S_FCAT,
         L_POS TYPE I.
L_POS = L_POS + 1.
LS_FCAT-FIELDNAME = 'VBELN'.
LS_FCAT-TABNAME = 'IT_VBRP'.
LS_FCAT-COL_POS = L_POS.
LS_FCAT-SCRTEXT_M = 'Billing Document'.
LS_FCAT-OUTPUTLEN = '10'.
APPEND LS_FCAT TO P_GT_FIELDCAT.
CLEAR LS_FCAT.
L_POS = L_POS + 1.
LS_FCAT-FIELDNAME = 'POSNR'.
LS_FCAT-TABNAME = 'IT_VBRP'.
LS_FCAT-COL_POS = L_POS.
LS_FCAT-SCRTEXT_M = 'Billing Item'.
LS_FCAT-OUTPUTLEN = '6'.
APPEND LS_FCAT TO P_GT_FIELDCAT.
CLEAR LS_FCAT.
L_POS = L_POS + 1.
LS_FCAT-FIELDNAME = 'UEPOS'.
LS_FCAT-TABNAME = 'IT_VBRP'.
LS_FCAT-COL_POS = L_POS.
LS_FCAT-SCRTEXT_M = 'Higher Level Item'.
LS_FCAT-OUTPUTLEN = '6'.
APPEND LS_FCAT TO P_GT_FIELDCAT.
CLEAR LS_FCAT.
L_POS = L_POS + 1.
LS_FCAT-FIELDNAME = 'FKIMG'.
LS_FCAT-TABNAME = 'IT_VBRP'.
LS_FCAT-COL_POS = L_POS.
LS_FCAT-SCRTEXT_M = 'Invoice Quantity'.
LS_FCAT-OUTPUTLEN = '13'.
APPEND LS_FCAT TO P_GT_FIELDCAT.
CLEAR LS_FCAT.
L_POS = L_POS + 1.
LS_FCAT-FIELDNAME = 'NETWR'.
LS_FCAT-TABNAME = 'IT_VBRP'.
LS_FCAT-COL_POS = L_POS.
LS_FCAT-SCRTEXT_M = 'Net Value'.
LS_FCAT-OUTPUTLEN = '15'.
APPEND LS_FCAT TO P_GT_FIELDCAT.
CLEAR LS_FCAT.
L_POS = L_POS + 1.
LS_FCAT-FIELDNAME = 'MEINS'.
LS_FCAT-TABNAME = 'IT_VBRP'.
LS_FCAT-COL_POS = L_POS.
LS_FCAT-SCRTEXT_M = 'Unit of Measure'.
LS_FCAT-OUTPUTLEN = '3'.
APPEND LS_FCAT TO P_GT_FIELDCAT.
CLEAR LS_FCAT.
L_POS = L_POS + 1.
ENDFORM.                    " PREPARE_FIELD_CATALOG
*&      Form PREPARE_LAYOUT
*       text
*      <--P_GS_LAYOUT text
FORM PREPARE_LAYOUT CHANGING P_GS_LAYOUT TYPE LVC_S_LAYO.
P_GS_LAYOUT-ZEBRA = 'X'.
P_GS_LAYOUT-GRID_TITLE = 'INVOICE DETAILS'.
P_GS_LAYOUT-SMALLTITLE = 'X'.
P_GS_LAYOUT-EDIT = 'X'.
ENDFORM.                    " PREPARE_LAYOUT
*&      Module STATUS_0100 OUTPUT
*       text
MODULE STATUS_0100 OUTPUT.
SET PF-STATUS 'CANCEL'.
* SET TITLEBAR 'xxx'.
ENDMODULE.                 " STATUS_0100 OUTPUT
*&      Module USER_COMMAND_0100 INPUT
*       text
MODULE USER_COMMAND_0100 INPUT.
CASE SY-UCOMM.
    WHEN 'BACK'.
      LEAVE TO SCREEN 0.
    WHEN 'CANCEL'.
      LEAVE TO SCREEN 0.
    WHEN 'EXIT'.
      CALL TRANSACTION 'SE38'.
    WHEN 'CHANGE'.
      IF GR_ALVGRID->IS_READY_FOR_INPUT( ) = 0.
        CALL METHOD GR_ALVGRID->SET_READY_FOR_INPUT
          EXPORTING
            I_READY_FOR_INPUT = 1.
      ELSE.
        CALL METHOD GR_ALVGRID->SET_READY_FOR_INPUT
          EXPORTING
            I_READY_FOR_INPUT = 0.
      ENDIF.
ENDCASE.
Regards,
Aswin

ADF 10.1.3 Programatically committing changes and refreshing the list page.

Hello,
I have a requirement where on list page i select a recrod and than modifies it on next page. I am using different database views for list and update purpose. So when i save the changes, control comes back to REFRESHED list page.
Pls let me know how can i commit and refresh the changes programatically. I hav added a method on managed bean as part of action binding.
Thanks
Manish

public String beanMethod() {
//obtain a reference to your bindingcontainer. chances are you have the "bindings" member variable of the mangaged bean and you have the getBindings() function already built by the wizard for you.
DCBindingContainer bc = (DCBindingContainer)getBindings();
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Hello experts,
i have created an alv-grid display!
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How can i kill this object and refresh the frontend?
Thanks a lot,
Marcel

Hello Marcel
For this requirement I would use the following approach:
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Regards
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How to export a schema and import the schema to a different schema name

I am using Oracle9i Oracle Enterprise Manager Console.
I can export the HR to a dmp file.
I have created another user call MYHR and I would like to import hr.dmp to the new user.
1. How can I add a schema using OEM?
I can do it by creating a table in MYHR and refresh OEM.
2. How can I import HR.dmp to MYHR using OEM.
I can import it using command line:
imp user/password@connectstring file='c:\hr.dmp' full='Y'
Any hints are appreciated

Hi,
1.
You don't have to create a schema explictly.
Say you create a user u1. Now this user u1 create some object s, then the schema u1 is automatically created.
Schema is actually a logical collection of objects.
2.
Why using OEM for importing. Using the command is much more easier.
Your command is bit incorrect. Don't use full=y to import a schema.
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Better add "log=some text file". Then use can see the log also.
Regards.

Best Practice on using and refreshing the Data Provider

I have a �users� page, that lists all the users in a table - lets call it master page. One can click on the first column to of the master page and it takes them to the �detail� page, where one can view and update the user detail.
Master and detail use two different data providers based on two different CachedRowSets.
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Discussion:
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2.     What is the best practice to refresh the master data provider when a record/row is updated in the detail page?
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Thanks
Message was edited by:
Sabir

Thanks. I think this is a useful information for all. Do we even need two data providers and associated row sets? Can't we just use TableRowDataProvider, like this:
TableRowDataProvider rowData=(TableRowDataProvider)getBean("currentRow");If so, I am trying to figure out how to pass this from master to detail page. Essentially the detail page uses a a row from master data provider. Then I need user to be able to change the detail (row) and save changes (in table). This is a fairly common issue in most data driven web apps. I need to design it right, vs just coding.
Message was edited by:
Sabir

Exporting and Importing the schema with AQ capability

Hi,
We have a production DB which is using Advance queuing and this whole queuing is working fine in Prod but now we have a problem in test Env and it seems that somebody has already tampered the test DB. (the queue reads and sends the messages to DB2)
So i wanted to export the prod schema and import it to the test schema that we have.
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now it should send the messages to the test DB2 database.
How can i see where it sends the messages after i imported it ? how can i change it?
i'm not sure if i have explained my problem in a correct way and if you have understood my question. Please send me messages and i can explain more about it.

Hi Adhappan
I have tried importing without success. The import is not consistent. The same schema creates different sets of tables & fields each time. Sometimes if you reimport some more tables which were not set up the first time gets selected for import.
I did a simple exercise to test the import / export functionality.
1. I unarchived a repository from standard content provided by SAP
2. I exported the schema
3. I tried importing the schema without any modifications to schema
4. The results were highly inconsistent.
Arvind
Pls reward useful answers

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you have your popup window. When they apply the changes you want it to close the window, right?
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Hi Rajiv,
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If this content doesn't match your answer. Please ask me again.
Thank you

How to Export and Import the schemas

How can i export & import the schema's ? pls give me some example on how to do it.
Could anyone pls show the commands to retrieve the Tablespace information... i mean what its initial size.. and how much of space has been used...
ur reply is very much appreciated
regards
Muraly

user11136977 wrote:
Hi all,
i am trying to export / import, need to know the commands
=>how to export and import full schemas from 1 user to another
=>how to export and import database
=>how to export the tablespaces
RegardsNo version, must be 10g then.
All you asked and much more in the Utilities guide.
http://download.oracle.com/docs/cd/B19306_01/server.102/b14215/exp_imp.htm#i1023560
HTH
Aman....

How to delete and refresh the contents of table control..

how to delete particular row in table control .consider we r having three rows i wish to delete the third row.while on debugging the third row gets deleted successfully.but that is displayed in table control.then how to refresh the table control...

hi,
try like this....
USER_COMMAND of PAI
MODULE user_command_9000 INPUT.
CASE ok_code.
    WHEN 'BACK' OR 'UP' OR 'CANCEL'.
      LEAVE PROGRAM.
    WHEN 'DEL'.
      GET CURSOR LINE lin_no.
      f1 = 1.
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ENDMODULE.                 " USER_COMMAND_9000 INPUT
and in Module in which u fetching data in PBO, write like
MODULE get_data OUTPUT.
IF f1 <> 1.
    SELECT kunnr name1
    INTO CORRESPONDING FIELDS OF TABLE mytab
    FROM kna1.
ENDIF.
IF f1 = 1.
    DELETE mytab INDEX lin_no.
    FREE lin_no.
    FREE f1.
ENDIF.
ENDMODULE.                 " get_data OUTPUT
reward if useful...

NSArrayController and refreshing the associated TableView

Hello,
I'm a Cocoa rank newbie and I'm probably trying to do something too complicated for my current abilities but here goes. I've been using Hillegass' book and am building an App that uses the NSArrayController to manage an NSTableView. I can add and delete objects and all that stuff. My problem comes when the data in the objects that are bound to the TableView changes "behind the Controller's back". The values in the objects are clock-based and I need to cause the TableView to refresh it's view of the bound data every second. I have scoured the web for how to cause a refresh and the answer seems to be either use the KVO method (which I can't really do (I think) because I'm not changing the data) or "send a -fetch" to the ArrayController.
Sending the fetch seems like what I want to do but I can't find any information on how to do it. In the end, I don't really understand how to get a reference to the ArrayController object sitting in the Doc window that has all the bindings. I basically don't understand any of the objects in the Doc window. I dutifully drag them in and make connections to them but I don't really understand why.
Any help on refreshing the NSArrayController would be much appreciated.
Tom

OK, incase anyone else is struggling with this, I got this working. From various posting, it seemed that I needed to create an IBOutlet and connect it to my ArrayController. I was having a tough time getting my head around that since all I'd ever done till now was connect IBOutlets to visual things such as TextFields. I finally found a hint that said I needed to connect the outlet from File's Owner to the ArrayController. So, I created an IBOutlet in my myDocument file;
@interface MyDocument : NSDocument
NSMutableArray *myObject;
IBOutlet NSArrayController *arController;
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(bracket)arController rearrangeObjects(bracket);
(how do you post code snippets in these forums without it being "interpreted"?)
Simple enough now that I've done it but it took me awhile to connect the dots.
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for navigation method
   //navigation method
    public Object refresh()
        return Navigation.HOME;
    }for web page
<h:commandLink value="Regenerate resutls" action="#{bean.refresh}">
                   <f:param name="algorithm" value="#{HomeMBean.algorithm}"/>
                </h:commandLink>

What I am trying to say here is:
for a web page, I want to refresh the web page based on a parameter chosen by users,
In web page:
<h:commandLink value="Regenerate resutls" action="#{bean.refresh}">
            <f:param name="algorithm" value="#{HomeMBean.algorithm}"/>
</h:commandLink>in managed bean:
    //navigation method
    public Object refresh()
        return Navigation.HOME;
    }also in managed bean:
String algorithm = FacesContext.getCurrentInstance().
getExternalContext().getRequestParameterMap().get("algorithm");
        logger.debug("parameter="+algorithm);What I observed is I will never get the parameter "algorithm" before the web page is refreshed. In other words, the method setAlgorithm() is always called after the web page is rendered.
I in fact want to render the web page based on the parameter "algorithm".
I spent quite a lot time on it but can't figure out why.
My guess is for managed beans, I can't rely on one property to generate another property, is that right?
How should I solve this problem? Thanks a million!

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