Entity Object ACCESSOR

I use a view object VO1 which relies on 2 entity objects EO1 and EO2. Neither has been set to readonly in VO1.
I set in EO2, a set metod (for one attributes) which use an accessor to EO1 (by its Association).
When I insert an EO2 object on an existing EO1 object, everything is OK.
When I insert by a single command both EO1 and EO2, the accessor can't reach the corresponding EO1.
Any Idea?
Thanks

Hi,
Detail Rule, copy attribute value form master.
In DetailEOImpl:
protected void create(AttributeList attributeList)
setAttribute(MASTERFIELD,this.getMaster().getMasterField());
super.create(attributeList);
Master rule, set flag to 0 if no details else set to 1.
In the MasterEOImpl added method to check if detail row exists based on Row Iterator => no db retrieval?
This method also sets the flag accordingly:
protected void checkHasOtherDetails()
oracle.jbo.RowIterator ri = this.getRetrieveFromdetail();
ri.last();
// last() must be called else hasNext() returns true even on last delete ???
Number hasDetails = Constants.NUMBER_NO; // = 1
if (ri.hasNext() || ri.hasPrevious())
hasDetails = Constants.NUMBER_YES; // = 0
if (!getHasDetailsFlag().equals(hasDetails)) {
this.setHasDetailsFlag(hasDetails);
I call this method in the remove method of the detailEOImpl:
public void remove()
this.getRetrieeFromMaster().checkHasOtherDetails();
super.remove();
To set the flag I added follwoing code in the create method of the DetailEOImpl:
protected void create(AttributeList attributeList)
setAttribute(MASTERFIELD,this.getMaster().getMasterField());
**** ADDED ***
Number masterHasDetailsFlag = getRetrieveFromMaster().getHasDetailsFlag();
if (!masterHasDetailsFlag.equals(Constants.NUMBER_YES)) {
getRetrieveFromMaster().setHasDetailsFlag(Constants.NUMBER_YES));
super.create(attributeList);
One more question:
Is there a danger of calling last() on row iterators in create/update/remove methods of *Impl files?
=> current row changed => any effect on display in JPanel
Thanks
Frederic
PS All variable/method/class names have been manually renamed in this code so some small syntax problems may exist.

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    In DetailEOImpl:
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    Message was edited by:
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         at oracle.jdbc.ttc7.Oall7.receive(Oall7.java:583)
         at oracle.jdbc.ttc7.TTC7Protocol.doOall7(TTC7Protocol.java:1983)
         at oracle.jdbc.ttc7.TTC7Protocol.parseExecuteFetch(TTC7Protocol.java:1141)
         at oracle.jdbc.driver.OracleStatement.executeNonQuery(OracleStatement.java:2154)
         at oracle.jdbc.driver.OracleStatement.doExecuteOther(OracleStatement.java:2036)
         at oracle.jdbc.driver.OracleStatement.doExecuteWithTimeout(OracleStatement.java:2880)
         at oracle.jdbc.driver.OraclePreparedStatement.executeUpdate(OraclePreparedStatement.java:622)
         at oracle.jdbc.driver.OraclePreparedStatement.execute(OraclePreparedStatement.java:698)
         at oracle.jbo.server.OracleSQLBuilderImpl.doEntityDML(OracleSQLBuilderImpl.java:371)
         at oracle.jbo.server.EntityImpl.doDML(EntityImpl.java:5108)
         at tcsl.oracle.apps.pa.jobBillRateAndAssignment.schema.server.JobBillRateEOImpl.doDML(JobBillRateEOImpl.java:124)
         at oracle.jbo.server.EntityImpl.postChanges(EntityImpl.java:4015)
         at oracle.apps.fnd.framework.server.OAEntityImpl.postChanges(OAEntityImpl.java:1676)
         at oracle.jbo.server.DBTransactionImpl.doPostTransactionListeners(DBTransactionImpl.java:2694)
         at oracle.jbo.server.DBTransactionImpl.postChanges(DBTransactionImpl.java:2540)
         at oracle.jbo.server.DBTransactionImpl.commitInternal(DBTransactionImpl.java:1783)
         at oracle.jbo.server.DBTransactionImpl.commit(DBTransactionImpl.java:1976)
         at oracle.apps.fnd.framework.server.OADBTransactionImpl.commit(OADBTransactionImpl.java:680)
         at tcsl.oracle.apps.pa.jobBillRateAndAssignment.server.jobBillRateAndAssignmentAMImpl.saveJobAssignmentDetails(jobBillRateAndAssignmentAMImpl.java:772)
         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
         at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
         at java.lang.reflect.Method.invoke(Method.java:324)
         at oracle.apps.fnd.framework.server.OAUtility.invokeMethod(OAUtility.java:189)
         at oracle.apps.fnd.framework.server.OAUtility.invokeMethod(OAUtility.java:152)
         at oracle.apps.fnd.framework.server.OAApplicationModuleImpl.invokeMethod(OAApplicationModuleImpl.java:721)
         at tcsl.oracle.apps.pa.jobBillRateAndAssignment.webui.jobBillRateAndAssignmentCO.processFormRequest(jobBillRateAndAssignmentCO.java:357)
         at oracle.apps.fnd.framework.webui.OAWebBeanHelper.processFormRequest(OAWebBeanHelper.java:799)
         at oracle.apps.fnd.framework.webui.OAWebBeanContainerHelper.processFormRequest(OAWebBeanContainerHelper.java:363)
         at oracle.apps.fnd.framework.webui.OAPageLayoutHelper.processFormRequest(OAPageLayoutHelper.java:1118)
         at oracle.apps.fnd.framework.webui.beans.layout.OAPageLayoutBean.processFormRequest(OAPageLayoutBean.java:1579)
         at oracle.apps.fnd.framework.webui.OAWebBeanHelper.processFormRequestChildren(OAWebBeanHelper.java:995)
         at oracle.apps.fnd.framework.webui.OAWebBeanHelper.processFormRequestChildren(OAWebBeanHelper.java:961)
         at oracle.apps.fnd.framework.webui.OAWebBeanHelper.processFormRequest(OAWebBeanHelper.java:816)
         at oracle.apps.fnd.framework.webui.OAWebBeanContainerHelper.processFormRequest(OAWebBeanContainerHelper.java:363)
         at oracle.apps.fnd.framework.webui.beans.form.OAFormBean.processFormRequest(OAFormBean.java:395)
         at oracle.apps.fnd.framework.webui.OAWebBeanHelper.processFormRequestChildren(OAWebBeanHelper.java:995)
         at oracle.apps.fnd.framework.webui.OAWebBeanHelper.processFormRequestChildren(OAWebBeanHelper.java:961)
         at oracle.apps.fnd.framework.webui.OAWebBeanHelper.processFormRequest(OAWebBeanHelper.java:816)
         at oracle.apps.fnd.framework.webui.OAWebBeanContainerHelper.processFormRequest(OAWebBeanContainerHelper.java:363)
         at oracle.apps.fnd.framework.webui.beans.OABodyBean.processFormRequest(OABodyBean.java:363)
         at oracle.apps.fnd.framework.webui.OAPageBean.processFormRequest(OAPageBean.java:2633)
         at oracle.apps.fnd.framework.webui.OAPageBean.preparePage(OAPageBean.java:1659)
         at oracle.apps.fnd.framework.webui.OAPageBean.preparePage(OAPageBean.java:497)
         at oracle.apps.fnd.framework.webui.OAPageBean.preparePage(OAPageBean.java:418)
         at OA.jspService(OA.jsp:40)
         at com.orionserver.http.OrionHttpJspPage.service(OrionHttpJspPage.java:56)
         at oracle.jsp.runtimev2.JspPageTable.service(JspPageTable.java:317)
         at oracle.jsp.runtimev2.JspServlet.internalService(JspServlet.java:465)
         at oracle.jsp.runtimev2.JspServlet.service(JspServlet.java:379)
         at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
         at com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:727)
         at com.evermind.server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:306)
         at com.evermind.server.http.HttpRequestHandler.processRequest(HttpRequestHandler.java:767)
         at com.evermind.server.http.HttpRequestHandler.run(HttpRequestHandler.java:259)
         at com.evermind.server.http.HttpRequestHandler.run(HttpRequestHandler.java:106)
         at EDU.oswego.cs.dl.util.concurrent.PooledExecutor$Worker.run(PooledExecutor.java:803)
         at java.lang.Thread.run(Thread.java:534)
    java.sql.SQLException: ORA-01400: cannot insert NULL into ("PA"."PA_JOB_BILL_RATE_OVERRIDES"."JOB_ID")
    ORA-06512: at line 1
         at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:134)
         at oracle.jdbc.ttc7.TTIoer.processError(TTIoer.java:289)
         at oracle.jdbc.ttc7.Oall7.receive(Oall7.java:583)
         at oracle.jdbc.ttc7.TTC7Protocol.doOall7(TTC7Protocol.java:1983)
         at oracle.jdbc.ttc7.TTC7Protocol.parseExecuteFetch(TTC7Protocol.java:1141)
         at oracle.jdbc.driver.OracleStatement.executeNonQuery(OracleStatement.java:2154)
         at oracle.jdbc.driver.OracleStatement.doExecuteOther(OracleStatement.java:2036)
         at oracle.jdbc.driver.OracleStatement.doExecuteWithTimeout(OracleStatement.java:2880)
         at oracle.jdbc.driver.OraclePreparedStatement.executeUpdate(OraclePreparedStatement.java:622)
         at oracle.jdbc.driver.OraclePreparedStatement.execute(OraclePreparedStatement.java:698)
         at oracle.jbo.server.OracleSQLBuilderImpl.doEntityDML(OracleSQLBuilderImpl.java:371)
         at oracle.jbo.server.EntityImpl.doDML(EntityImpl.java:5108)
         at tcsl.oracle.apps.pa.jobBillRateAndAssignment.schema.server.JobBillRateEOImpl.doDML(JobBillRateEOImpl.java:124)
         at oracle.jbo.server.EntityImpl.postChanges(EntityImpl.java:4015)
         at oracle.apps.fnd.framework.server.OAEntityImpl.postChanges(OAEntityImpl.java:1676)
         at oracle.jbo.server.DBTransactionImpl.doPostTransactionListeners(DBTransactionImpl.java:2694)
         at oracle.jbo.server.DBTransactionImpl.postChanges(DBTransactionImpl.java:2540)
         at oracle.jbo.server.DBTransactionImpl.commitInternal(DBTransactionImpl.java:1783)
         at oracle.jbo.server.DBTransactionImpl.commit(DBTransactionImpl.java:1976)
         at oracle.apps.fnd.framework.server.OADBTransactionImpl.commit(OADBTransactionImpl.java:680)
         at tcsl.oracle.apps.pa.jobBillRateAndAssignment.server.jobBillRateAndAssignmentAMImpl.saveJobAssignmentDetails(jobBillRateAndAssignmentAMImpl.java:772)
         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
         at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
         at java.lang.reflect.Method.invoke(Method.java:324)
         at oracle.apps.fnd.framework.server.OAUtility.invokeMethod(OAUtility.java:189)
         at oracle.apps.fnd.framework.server.OAUtility.invokeMethod(OAUtility.java:152)
         at oracle.apps.fnd.framework.server.OAApplicationModuleImpl.invokeMethod(OAApplicationModuleImpl.java:721)
         at tcsl.oracle.apps.pa.jobBillRateAndAssignment.webui.jobBillRateAndAssignmentCO.processFormRequest(jobBillRateAndAssignmentCO.java:357)
         at oracle.apps.fnd.framework.webui.OAWebBeanHelper.processFormRequest(OAWebBeanHelper.java:799)
         at oracle.apps.fnd.framework.webui.OAWebBeanContainerHelper.processFormRequest(OAWebBeanContainerHelper.java:363)
         at oracle.apps.fnd.framework.webui.OAPageLayoutHelper.processFormRequest(OAPageLayoutHelper.java:1118)
         at oracle.apps.fnd.framework.webui.beans.layout.OAPageLayoutBean.processFormRequest(OAPageLayoutBean.java:1579)
         at oracle.apps.fnd.framework.webui.OAWebBeanHelper.processFormRequestChildren(OAWebBeanHelper.java:995)
         at oracle.apps.fnd.framework.webui.OAWebBeanHelper.processFormRequestChildren(OAWebBeanHelper.java:961)
         at oracle.apps.fnd.framework.webui.OAWebBeanHelper.processFormRequest(OAWebBeanHelper.java:816)
         at oracle.apps.fnd.framework.webui.OAWebBeanContainerHelper.processFormRequest(OAWebBeanContainerHelper.java:363)
         at oracle.apps.fnd.framework.webui.beans.form.OAFormBean.processFormRequest(OAFormBean.java:395)
         at oracle.apps.fnd.framework.webui.OAWebBeanHelper.processFormRequestChildren(OAWebBeanHelper.java:995)
         at oracle.apps.fnd.framework.webui.OAWebBeanHelper.processFormRequestChildren(OAWebBeanHelper.java:961)
         at oracle.apps.fnd.framework.webui.OAWebBeanHelper.processFormRequest(OAWebBeanHelper.java:816)
         at oracle.apps.fnd.framework.webui.OAWebBeanContainerHelper.processFormRequest(OAWebBeanContainerHelper.java:363)
         at oracle.apps.fnd.framework.webui.beans.OABodyBean.processFormRequest(OABodyBean.java:363)
         at oracle.apps.fnd.framework.webui.OAPageBean.processFormRequest(OAPageBean.java:2633)
         at oracle.apps.fnd.framework.webui.OAPageBean.preparePage(OAPageBean.java:1659)
         at oracle.apps.fnd.framework.webui.OAPageBean.preparePage(OAPageBean.java:497)
         at oracle.apps.fnd.framework.webui.OAPageBean.preparePage(OAPageBean.java:418)
         at OA.jspService(OA.jsp:40)
         at com.orionserver.http.OrionHttpJspPage.service(OrionHttpJspPage.java:56)
         at oracle.jsp.runtimev2.JspPageTable.service(JspPageTable.java:317)
         at oracle.jsp.runtimev2.JspServlet.internalService(JspServlet.java:465)
         at oracle.jsp.runtimev2.JspServlet.service(JspServlet.java:379)
         at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
         at com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:727)
         at com.evermind.server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:306)
         at com.evermind.server.http.HttpRequestHandler.processRequest(HttpRequestHandler.java:767)
         at com.evermind.server.http.HttpRequestHandler.run(HttpRequestHandler.java:259)
         at com.evermind.server.http.HttpRequestHandler.run(HttpRequestHandler.java:106)
         at EDU.oswego.cs.dl.util.concurrent.PooledExecutor$Worker.run(PooledExecutor.java:803)
         at java.lang.Thread.run(Thread.java:534)

  • Problem while setting new value to entity object attribute in doDML meathod

    Hi all,
    I am overriding the entity objects doDML method for generating the value of Sequence Number just before insert .
    For this puropose i am using doDML method. I am fetching the maximum value for the sequence number feild from the table by a prepared statement
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        protected void doDML(int operation, TransactionEvent e) {
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            super.doDML(operation, e);
        }i am getting the value correct by using the sql statement but while i am using setAttributeInternal("SeqNo",new Number(newSeqNo));
    it is giving an error and value for new sequence no is not passed to the seq no feild of the entity object. I have tried this.setSeqNo(new Number(newSeqNo))
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    Any one please help , I am using Jdeveloper 10.1.3
    Thanks all in advance.

    iloveoracle,
    Sigh... in addition to doing this in doDML (which Dimitar points out is the wrong place to do this)... you are making a huge huge mistake.
    select nvl(max(seq_no),0)+1  from WF_LEAVE_HDRWhat happens when two people do this at around the same time? You don't do any locking, so you will get two rows with the same SeqNo. This is absolutely the wrong way of doing sequence numbers. The best way of doing this would be to use real sequence numbers (an Oracle sequence) and ignore the fact that there will be gaps. If you insist on using your approach, you MUST LOCK THE ENTIRE TABLE before you try to do your little max() + 1 trick, otherwise you run the very real risk of getting duplicate SeqNos. OK, I see that you are trying to do sequences by org_unit_code, so you don't have to lock the whole table, but you do have to have some way of holding a lock. You must also write some code to be able to handle an "unable to get the lock because someone else already holds it" type of situation.
    <rant>
    I have seen so many people try to do this little max() + 1 trick. It DOES NOT, WILL NOT work until you handle locking properly. One question that I often ask when I interview database developers is about generating "gapless" sequences; unless the job is for a brand-new-with-absolutely-no-experience trainee, answering "select max() + 1" without any mention of concurrency issues would be grounds for an immediate rejection of the candidate. Seriously. Have a run over to http://asktom.oracle.com and search for "gapless" if you'd like to see a more strongly worded rant.
    </rant>
    Bottom line, just use an Oracle sequence if it's at all possible; otherwise, be prepared to write some bunches of code to deal with locking.
    John

  • Possible?Multi-Entity View Object with one Entity Object that is Read-only.

    I know this sounds crazy, but I would like to create a multi-entity view object, where one entity object is based on a table in my application (we'll call it "Users", which basically stores the primary key for the person from the institutional people database), and the other table is a entity object based on a view of the institutional people database table (read only access), which we can call "People".
    I know that since no updates will be done to the People table, it really should be a read-only View Object, but I would lose the ability to sort on attributes like Last Name, Hire date, etc, since those would be transient attributes in my ViewObject for the Users. By having People as an entity object, I can then create a multi entity view object and have the ability to join Users to People and be able to sort on the above mentioned fields (like Last Name).
    The problem is that when I use the JDev (I'm currently using 10.1.2.1) AppModule BC4J tester, when I click on the multi-entity view object that I added to the AppModule it gives me an error:
    oracle.jbo.RowCreateException) JBO-25017: Error while creating a new entity row for People.
    ----- LEVEL 1: DETAIL 0 -----
    (java.lang.InstantiationException) null
    I have tried to change all the attributes to updateable in my entity object, but no create method, and I have tried to make them all read-only, but no effect, I get the same error (probably because the People view is read-only in my schema).
    Is there a way to change the entity object so that it will not try to create a new row when it runs the Tester? So that the multi entity view object behaves more like a view link, but gives me the added bonus of being able to sort on the Last Name column from the People table?
    Thanks for any help on this subject...at worst, I will have to use the view link method to get the job accomplished, but it would be "cooler" if this would work!
    Jeremy.

    Steve, thanks for your quick response to my question.
    To answer your questions, I was trying to create the Multi-entity View Object to give me more flexibility when working with my User table, and my People view. The flexibility I desired was that I would be able to sort my Users based on attributes in the People view. This is not possible when the there is only one Entity in my VO, and the People view data are all transient attributes, because they are not in the SQL statement.
    Ultimately, after working with one of my colleagues, we decided to use the approach that you mentioned by creating a read-only VO with the SQL query we want to display to the user (contains both User and People data fields), and then use a different ViewObject when performing other actions on the User Table (such as inserts/updates/deletes). By using the setWhereClauseParam() method in the handleLifeCycle() for the JSP page, we should be able to navigate between the different View Objects, so that the user does not see any difference.
    Thanks! Oh, and by the way, I have read your article you included before, and I have used it many times before to tune my View Objects! Thanks!

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