Componentization

Hi all,
I am new to webdynpro java. I am trying to understand the concept of copmonent reuse.
I have a doubt in the following development which i am trying now.
Consider that i have two components in my development project.
Let the name of the development project be wd_project1.
Name of the two components be wd_component1 and wd_component2.
I have a view each in each components. In the view of first component i have a button and by the action on it i am trying to display the view of the second component wd_component2.
In order to acheive this i embeded the interface view of second component in the window of first view. I created an out plug from first view and connected to the in plug of the newly embeded interface view. I created a webdynpro application with first view as default view and then deployed it.
It worked fine. I was able to move from first view of first component to first view of second component.
Then i tried moving back from the view of second component to first component. For doing this i repeated the above steps in the opposite manner. I embeded interface view of the first component in the window of second component. I created an out plug from view of the second component and connected it to the interface view of first component. I created a button in the view of the second component and assigned the action and the plug. Then i executed the application.
I was not able to execute the application. It showed an error 'Cycle in component usage'.
Can anyone explain me wht is the mistake here? Is it not possible to communicate back and forth without using component interface definition?
Pls help..
Thanks & Regards
Ramanan

Hi Vinod,
                If i understand ur requirement properly,u need to decide on runtime which view has to be called.
I think this tutorial <a href="https://www.sdn.sap.comhttp://www.sdn.sap.comhttp://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/a0409d83-5ed5-2910-ef91-e41da6d5b8b4">Component interface</a> explains the same thing.
regards
Sumit

Similar Messages

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    Edited by: Umang Mathur on May 24, 2011 12:40 AM
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    Hi
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  • Not getting the excpected result.

    Hi all,
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    * Created on Apr 13, 2005
    * TODO To change the template for this generated file go to
    * Window - Preferences - Java - Code Style - Code Templates
    package forums;
    import java.io.*;
    import java.awt.Color;
    import com.lowagie.text.*;
    import com.lowagie.text.pdf.*;
    import com.lowagie.text.Font.*;
    import com.lowagie.text.pdf.MultiColumnText;
    import com.lowagie.text.Phrase.*;
    import net.sf.hibernate.mapping.Array;
    import org.apache.poi.hssf.*;
    import org.apache.poi.poifs.filesystem.*;
    import org.apache.poi.hssf.usermodel.*;
    import com.lowagie.text.Phrase.*;
    import java.util.Iterator;
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    * @author blowagie
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         * Generates a PDF file with the text 'Hello World'
         * @param args no arguments needed here
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              System.out.println("Hello World");
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                        pageSize.setBackgroundColor(new java.awt.Color(0xFF, 0xFF, 0xDE));
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                             document.open();
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    My Input from MS-Excel file is:
         Planning and Tracking Template for Interns                                                                 
         Name of the Intern     N.Kesavulu Reddy                                                            
         Project Name     Enterprise Sales and Marketing                                                            
         Description     Estimated Effort in Hrs     Planned/Replanned          Actual          Actual Effort in Hrs     Complexity     Priority     LOC written new & modified     % work completion     Status     Rework     Remarks
    S.No               Start Date     End Date     Start Date     End Date                                        
    1     setup the configuration          31/01/2005     1/2/2005     31/01/2005     1/2/2005                                        
    2     Deploying an application through Tapestry, Spring, Hibernate          2/2/2005     2/2/2005     2/2/2005     2/2/2005                                        
    3     Gone through Componentization and Cxprice application          3/2/2005     3/2/2005     3/2/2005     3/2/2005                                        
    4     Attend the sessions(tapestry,spring, hibernate), QBA          4/2/2005     4/2/2005     4/2/2005     4/2/2005                                        
         The o/p I'm gettint in .pdf file is:
    Planning and Tracking Template for Interns
    N.Kesavulu Reddy Name of the Intern
    Enterprise Sales and Marketing Project Name
    Remarks Rework Status % work completion LOC written new & modified Priority
    Complexity Actual Effort in Hrs Actual Planned/Replanned Estimated Effort in Hrs Description
    End Date Start Date End Date Start Date S.No
    38354.0 31/01/2005 38354.0 31/01/2005 setup the configuration 1.0
    38385.0 38385.0 38385.0 38385.0 Deploying an application through Tapestry, Spring, Hibernate
    2.0
    38413.0 38413.0 38413.0 38413.0 Gone through Componentization and Cxprice application
    3.0
    38444.0 38444.0 38444.0 38444.0 Attend the sessions(tapestry,spring, hibernate), QBA 4.0
                                       The issues i'm facing are:
    When it is reading a row from MS-Excel it is writing to the .pdf file from last cell to first cell.( 2 cell in 1 place, 1 cell in 2 place like if the row has two cells with data as : Name of the Intern: Kesavulu Reddy then it is writing to the .pdf file as Kesavulu Reddy Name of Intern)
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    Plz Tell me wht is the solution for this...
    Regards
    [email protected]

    Use your debugger to step through the code line by line. This should help you understand what it's doing. Or if you don't want to do that, sprinkle output statements all over until you know what it's doing.

  • Writing a java program for generating .pdf file with the data of MS-Excel .

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    * TODO To change the template for this generated file go to
    * Window - Preferences - Java - Code Style - Code Templates
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         Planning and Tracking Template for Interns                                                                 
         Name of the Intern     N.Kesavulu Reddy                                                            
         Project Name     Enterprise Sales and Marketing                                                            
         Description     Estimated Effort in Hrs     Planned/Replanned          Actual          Actual Effort in Hrs     Complexity     Priority     LOC written new & modified     % work completion     Status     Rework     Remarks
    S.No               Start Date     End Date     Start Date     End Date                                        
    1     setup the configuration          31/01/2005     1/2/2005     31/01/2005     1/2/2005                                        
    2     Deploying an application through Tapestry, Spring, Hibernate          2/2/2005     2/2/2005     2/2/2005     2/2/2005                                        
    3     Gone through Componentization and Cxprice application          3/2/2005     3/2/2005     3/2/2005     3/2/2005                                        
    4     Attend the sessions(tapestry,spring, hibernate), QBA          4/2/2005     4/2/2005     4/2/2005     4/2/2005                                        
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    Planning and Tracking Template for Interns
    N.Kesavulu Reddy Name of the Intern
    Enterprise Sales and Marketing Project Name
    Remarks Rework Status % work completion LOC written new & modified Priority
    Complexity Actual Effort in Hrs Actual Planned/Replanned Estimated Effort in Hrs Description
    End Date Start Date End Date Start Date S.No
    38354.0 31/01/2005 38354.0 31/01/2005 setup the configuration 1.0
    38385.0 38385.0 38385.0 38385.0 Deploying an application through Tapestry, Spring, Hibernate
    2.0
    38413.0 38413.0 38413.0 38413.0 Gone through Componentization and Cxprice application
    3.0
    38444.0 38444.0 38444.0 38444.0 Attend the sessions(tapestry,spring, hibernate), QBA 4.0
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    and the second issue is:
    It is not recognizing the date format..it is recognizing the date in first row only......
    Plz Tell me wht is the solution for this...
    Regards
    [email protected]

    Don't double post your question:
    http://forum.java.sun.com/thread.jspa?threadID=617605&messageID=3450899#3450899
    /Kaj

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