ADF BC : Polymorphic View Link

hi
If I generate Business Components from Tables for EMP and DEPT in the SCOTT schema, I get an Association "FkDeptnoAssoc" and a View Link "FkDeptnoLink" based on this Association.
This allows me to select "EmpView via FkDeptnoLink" in the Data Model pane of the Application Module Editor (in the tree below "DeptView").
After this I added a View Object "BigMoneyDeptView" that extends "DeptView" with a where clause "Dept.DEPTNO IN (SELECT DEPTNO FROM EMP WHERE SAL >= 3000)".
Because "BigMoneyDeptView" extends "DeptView" I would expect to be able to select "EmpView via FkDeptnoLink" for the "BigMoneyDeptView" node in the Data Model pane of the Application Module Editor, but that is not the case.
Should I create a new View Link to be able to use the detail EMP records for "BigMoneyDeptView"?
thanks
Jan Vervecken

Thanks for your reply Steve, and for creating a screencast.
Using the previous release of JDeveloper 11g (11.1.1.0.0), build 5156, it looks to me like the issue still remains (see also PolymorphicVLThread319915In11g5156AppDM.png).
I don't know what might be different with my examples, but I have made them available for download:
- using JDeveloper 10g (10.1.3.4.0), build 4270, see PolymorphicVLThread319915App-v0.01.zip, results in PolymorphicVLThread319915AppDM.png
- using JDeveloper 11g (11.1.1.0.1), build 5188, see PolymorphicVLThread319915In11gApp-v0.01.zip, results in PolymorphicVLThread319915In11gAppDM.png
- using JDeveloper 11g (11.1.1.0.0), build 5156, see PolymorphicVLThread319915In11g5156App-v0.01.zip, results in PolymorphicVLThread319915In11g5156AppDM.png
Any suggestions?
regards
Jan

Similar Messages

ADF: use of view link Accessor in Entity Object = always null?

Hi,
JClient 9.0.5.2, adf model.
I would like to use the view link accessor method in the master EO to retrieve detail EO values and the view link accessor method in the detail EO to retrieve master EO values.
Detail Rule:
In the detail EO an attribute is derived from an attribute of the master EO: detail attribute = master attribute.
Master Rule:
In the master EO an attribute is derived from the detail EO: master atribute set to 0 if detail EO exist else set to 0.
Tables:
Table Master => MasterEO => MasterVO
- masterPK (not updateable)
- masterField (not updateable)
- hasDetailsFlag
Table Detail => DetailEO => DetailVO
- detailPK (not updateable)
- masterPK => foreign key (not updateable)
- masterField (query only)
MasterDetailLink based on foreign key.
In link wizard I asked for the generation of following accessors in the source & destination Entity Objects:
In DetailEO accessor name: RetrieveFromMaster
In MasterEO accessor name: RetrieveFromDetail
In the DetailEO, I asked for the generation of the DetailEOImpl file, accessors and create method.
As wriiten in the file, before the create method:
** Add attribute defaulting logic in this method. **
I tought this is the place to retrieve the master attribute:
The code:
MasterVORowImpl masterVO = getRetrieveFromMaster();
if (masterVO == null)
System.out.println("MasterVORowImpl masterVO create NNNNNNNNNNNUUUUUUUULLLLLLLLLL");
The masterVO is always null?
I suppose I didn't understand something, my guest is that ViewObjects may not be used for default logic?
I know how to implement those rules in the database with triggers.
I think that the data I need for implementing those rules exist somewhere at the ADF level so retrieving the data from the db is not necessary?
Could somebody give some clues?
I didn't find a similar example in the Business Rules in BC4J document.
Your help will be appreciated
Frederic

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.

TP4 ADF BC [BUG] view link are not updated after database synchronization

I have a table with a recursive relationship.
By mystake, I created a recursive foreign key for the same attribute (deptid->deptid instead of deptid->parentdeptid).
I generated entity, view and application module from this schema.
When compiling, errors was produced indicating the problem.
I corrected the problem in offline database, generate the changes into the database successfully.
I ask to synchronize the entity with the database, the changes was identified correctly and a new association was created.
First remark: the old one still there and it was necessary to delete it and rename the new generated one (to be consistent with other name). May be an option to overwriting the old one will be more pleasant, may be asking if the new one has to replace an existing one and show a list of existing ones.
Regenerating the association was correct and one error was removed when compiling again. The error on the view link still there.
I would like to delete the assoc and recreate it from the entity assoc but it was not possible easily because the view link is used in the application module !!!!
It will be nice to permit to regenerate an existing view link from an entity association without deleting it.
May be it is a better way to synchronize ? I would be very interesting to know how to achieve it as the best !

Was the inability to have the synchronization remove the key specific to the existing association's being self-referential, or if your initial association was from DeptId to some other attribute (which you then corrected) would the synchronize have fixed the problem?
The simplest way to achieve what you want given existing features would be to have delete the view link instance, view link, and association, follow by resynchronizing (I believe), then recreating the viewlink and adding back the view link instance.

View links in oracle ADF/query featching from Database

Please any one help for this query
I have two tables Emp, Dept
I have query like this select * from Emp e, Dept d where e.deptno=d.deptno
Query is fetching like this
Empno Ename job Salary Comm deptno deptno dname      Loc
15 i1     support     50000     11     5     5     IT          sss
15 i1     support     50000     11     3     3     Account     sss
16 i2     support     8000     10     5     5     IT          sss
16 i2     support     8000     10     3     3     Account     sss
16 i2     support     8000     10     3     3     Software      sss
16 i2     support     8000     10     4     4     Operation      sss
Query is fetching 6 rows.
but my requirement is what ever records fetching from database with same employee number is one record that is same employee number dept names grouped I will show it as one record how to fetch records from data base.
Here is the example (My Requirement):
This is first row:
Empno Ename job Salary Comm
15 i1     support 50000     11
Deptno dname      Loc
5     IT          sss
3     Account     sss
This is second row:
Empno ename job Salary Comm
16 i2     support     8000     10
Deptno dname      Loc
5     IT     sss
3     Account     sss
2     Software sss
4     Operation sss
i am useing oracle ADF if any possibility in view links either i get from the query as i mentioned.
plz any one can help
thanks

Please any one help for this query
I have two tables Emp, Dept
I have query like this select * from Emp e, Dept d where e.deptno=d.deptno
Query is fetching like this
Empno Ename job Salary Comm deptno deptno dname      Loc
15 i1     support     50000     11     5     5     IT          sss
15 i1     support     50000     11     3     3     Account     sss
16 i2     support     8000     10     5     5     IT          sss
16 i2     support     8000     10     3     3     Account     sss
16 i2     support     8000     10     3     3     Software      sss
16 i2     support     8000     10     4     4     Operation      sss
Query is fetching 6 rows.
but my requirement is what ever records fetching from database with same employee number is one record that is same employee number dept names grouped I will show it as one record how to fetch records from data base.
Here is the example (My Requirement):
This is first row:
Empno Ename job Salary Comm
15 i1     support 50000     11
Deptno dname      Loc
5     IT          sss
3     Account     sss
This is second row:
Empno ename job Salary Comm
16 i2     support     8000     10
Deptno dname      Loc
5     IT     sss
3     Account     sss
2     Software sss
4     Operation sss
i am useing oracle ADF if any possibility in view links either i get from the query as i mentioned.
plz any one can help
thanks

[SOLVED] Multiple Dynamic View Objects and View Links - ADF Tree Table

Hi all,
I've got a method that creates 3 dynamic viewobjects using this:
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            Level1ViewDef.addViewAttribute("SetOfBooksId","SET_OF_BOOKS_ID",Number.class);
            Level1ViewDef.addViewAttribute("CodeCombinationId","CODE_COMBINATION_ID",Number.class);
            Level1ViewDef.addViewAttribute("Level1","LEVEL1",String.class);
            Level1ViewDef.addViewAttribute("AccountType","ACCOUNT_TYPE",String.class);
            Level1ViewDef.addViewAttribute("PeriodYear","PERIOD_YEAR",Number.class);
            Level1ViewDef.addViewAttribute("PeriodNum","PERIOD_NUM",Number.class);
            Level1ViewDef.addViewAttribute("PeriodName","PERIOD_NAME",String.class);
            Level1ViewDef.addViewAttribute("PtdActual","PTD_ACTUAL",Number.class);
            Level1ViewDef.addViewAttribute("YtdActual","YTD_ACTUAL",Number.class);
            Level1ViewDef.addViewAttribute("LtdActual","LTD_ACTUAL",Number.class);
            Level1ViewDef.addViewAttribute("BudgetName","BUDGET_NAME",String.class);
            Level1ViewDef.addViewAttribute("BudgetVersionId","BUDGET_VERSION_ID",Number.class);
            Level1ViewDef.addViewAttribute("PtdBudget","PTD_BUDGET",Number.class);
            Level1ViewDef.addViewAttribute("YtdBudget","YTD_BUDGET",Number.class);
            Level1ViewDef.addViewAttribute("LtdBudget","LTD_BUDGET",Number.class);
            Level1ViewDef.addViewAttribute("EncumbranceType","ENCUMBRANCE_TYPE",String.class);
            Level1ViewDef.addViewAttribute("EncumbranceTypeId","ENCUMBRANCE_TYPE_ID",Number.class);
            Level1ViewDef.addViewAttribute("PtdCommitment","PTD_COMMITMENT",Number.class);
            Level1ViewDef.addViewAttribute("YtdCommitment","YTD_COMMITMENT",Number.class);
            Level1ViewDef.addViewAttribute("LtdCommitment","LTD_COMMITMENT",Number.class);
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            Level1ViewDef.setFullSql(true);
            Level1ViewDef.setBindingStyle(SQLBuilder.BINDING_STYLE_ORACLE_NAME);
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            Level1ViewDef.registerDefObject();
            ViewObject vo1 = createViewObject("Level1View",Level1ViewDef);I can create the view objects fine and create a single viewlink between two of them, however i'm getting problems with 2 view links.
This is how I'm creating a view link:
            ViewLink Level2Level1FKLink = createViewLinkBetweenViewObjects("Level2Level1FKLink1",
                                                    "Level2View",
                                                    vo1,
                                                    new AttributeDef[]{
                                                      vo1.findAttributeDef("Level1")
                                                    vo2,
                                                    new AttributeDef[]{
                                                      vo2.findAttributeDef("Level1")
                                                    "LEVEL1 = :Bind_Level1");
            ViewLink Level3Level2FKLink = createViewLinkBetweenViewObjects("Level3Level2FKLink1",
                                                    "Level3View",
                                                    vo2,
                                                    new AttributeDef[]{
                                                      vo2.findAttributeDef("Level2")
                                                    vo3,
                                                    new AttributeDef[]{
                                                      vo3.findAttributeDef("Level2")
                                                    "LEVEL2 = :Bind_Level2");I can get the data to display on an adf tree table if i'm only using a single view link, but when i try and implement 2 view link (for 3 levels on the adf tree table) i'm getting problems displaying the data.
I'm getting the following error:
Aug 10, 2007 2:44:39 PM oracle.adfinternal.view.faces.renderkit.core.xhtml.PanelPartialRootRenderer encodeAll
SEVERE: Error during partial-page rendering
oracle.jbo.NoDefException: JBO-25058: Definition Level3View of type Attribute not found in Level2View_Level2Level1FKLink1_Level2ViewThe thing is, Level3View isn't in the Level2Level1FKLink viewlink.
I've been reading about something similar here
BC4J Master-Detail-Detail
but I am still unsure of what the problem is.
Thanks in advance.

I found the answer here:
http://radio.weblogs.com/0118231/stories/2004/06/10/correctlyImplementingMultilevelDynamicMasterDetail.html

Oracle ADF with view Links

Hello i use Oracle adf framwork to develop my Business logic through Business component and oracle as Database
i have an error with my View link
i got this error msg:
oracle.jbo.SQLStmtException: JBO-27122: SQL error during statement preparation. Statement: SELECT Meldung.MELDUNG_ID, Meldung.MELDUNG_MESSAGE, Meldung.SACHBEARBEITER_ID, Meldung.MELDUNG_DATUM FROM MELDUNG Meldung WHERE Meldung.SACHBEARBEITER_ID = :Bind_SachbearbeiterId
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     at oracle.jbo.server.ViewRowSetImpl.execute(ViewRowSetImpl.java:1227)
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     at oracle.jbo.server.ViewRowSetIteratorImpl.ensureRefreshed(ViewRowSetIteratorImpl.java:2800)
     at oracle.jbo.server.ViewRowSetIteratorImpl.refresh(ViewRowSetIteratorImpl.java:3058)
     at oracle.jbo.server.ViewRowSetImpl.notifyRefresh(ViewRowSetImpl.java:2797)
     at oracle.jbo.server.ViewRowSetImpl.refreshRowSet(ViewRowSetImpl.java:7208)
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## Detail 0 ##
java.sql.SQLException: Invalid column type
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     at oracle.jbo.uicli.controls.JUNavigationBar.doAction(JUNavigationBar.java:412)
     at oracle.jbo.jbotester.NavigationBar.doAction(NavigationBar.java:112)
     at oracle.jbo.uicli.controls.JUNavigationBar$NavButton.actionPerformed(JUNavigationBar.java:118)
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     at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2318)
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     at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:236)
     at java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:272)
     at java.awt.Component.processMouseEvent(Component.java:6289)
     at javax.swing.JComponent.processMouseEvent(JComponent.java:3267)
     at java.awt.Component.processEvent(Component.java:6054)
     at java.awt.Container.processEvent(Container.java:2041)
     at java.awt.Component.dispatchEventImpl(Component.java:4652)
     at java.awt.Container.dispatchEventImpl(Container.java:2099)
     at java.awt.Component.dispatchEvent(Component.java:4482)
     at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4577)
     at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4238)
     at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4168)
     at java.awt.Container.dispatchEventImpl(Container.java:2085)
     at java.awt.Window.dispatchEventImpl(Window.java:2478)
     at java.awt.Component.dispatchEvent(Component.java:4482)
     at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:644)
     at java.awt.EventQueue.access$000(EventQueue.java:85)
     at java.awt.EventQueue$1.run(EventQueue.java:603)
     at java.awt.EventQueue$1.run(EventQueue.java:601)
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     at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:87)
     at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:98)
     at java.awt.EventQueue$2.run(EventQueue.java:617)
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     at java.security.AccessController.doPrivileged(Native Method)
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     at java.awt.EventQueue.dispatchEvent(EventQueue.java:614)
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     at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169)
     at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161)
     at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)
(oracle.jbo.SQLStmtException) JBO-27122: SQL error during statement preparation. Statement: SELECT Termin.TERMIN_ID, Termin.TERMIN_BEGIN_DATUM, Termin.SACHBEARBEITER_ID, Termin.TERMIN_MESSAGE, Termin.TERMIN_END_DATUN FROM TERMIN Termin WHERE Termin.SACHBEARBEITER_ID = :Bind_SachbearbeiterId

Hello John,
Thanks for the reply. I can't find any material so that I can aware with JSF introduction (with demos) and ADF Faces. So will you please suggest me some tutorial or demos related to JSF and ADF faces. I passed through the video demos of Oracle ADF homepage but still I can't understand the use of those tags.
regards,
Kush
Edited by: kush on Feb 22, 2012 12:07 AM

[ADF-11.1.2] Dynamic EO/VO/Association/View Link/pagedef/JSPX XML Def files

I though I found gold but it has nothing when I clicked on it.
Steve Muench's "Not Yet Documented Examples" [http://blogs.oracle.com/smuenchadf/resource/examples] > "Using ViewObject writeXML and JSTL XML Tag Library" suppose to provide the example. but I am getting File not found error. Seems the sample application doesn't exists any more.
Please point me to correct example for my following use case:
At Run-time:
1. My Application will ask user for database table name.
2. for provided database table name, my application should Generate XML Definition file for EO, Associations, VO and View Links inside Model Project (basically all definition file should be created which gets created when developer create these Business Components for database table through JDeveloper Studio).
3. Once done, application should also generate JSPX file using ADF page template in ViewController Project, with binding definition to it's corresponding newly generated VO Objects from step 2.
4. The page will be then, visible to user to use it (create/update/delete records)
First of all, is it possible to achieve above requirement ? Based on description of Steve Muench's "Using ViewObject writeXML and JSTL XML Tag Library", I think it is possible, but I don't have the sample application to refer.
I could have used dynamic view object concept to display the records with basic page layout. But I want users the ability to modify the create/records/delete the records with following requirements:
1. If require, Business Logic Developer can use Jdeveloper Studio to access new generated Business Components and modify it (like adding some validation rules)
2. If require, UI Developer can access newly generated JSPX file and change the layout.
Please let me know how much and how can I achieve it ?

Shay,
Thank you for your reply. I will take a look at your links.
Use Case:
Application will have different BC for different IT Assets (like Monitor, Keyboard, Servers etc), which will basically hold records for all available Assets (like Display Resolution, screen size etc for all monitor in Monitor BC).
I want to give user; the ability to create, for e.g., the sub-class of Monitor to store more specific attribute-values in different table (which will be linked Parent BC). For e.g.: They may want to care about holding CRT and LCD Monitor records in separate new database table -- Application will ask user what all attributes/Columns they want to see for LCD which is specific to this type AND which is not present in already existing out-of-box Monitor BC/Table - e.g. - "Viewing Angle" Attribute).
With that said, I can write code to create database table on fly (having 1-to-1 foreign key reference to parent table) but writing ADF part seems difficult. I also wanted application to automatically generate new page for newly added VO BC. E.g.: LCD-Monitor.JSPX inheriting all attributes from monitor (parent VO) in the same structure as Monitor.JSPX file is having with extra LCD-specific Attributes in separate panel tab (which again UI developers can customized it).
Too much to expect huh !
I am going to start building the application so If not above way, any other suggestion to achieve the requirement ?
Edited by: Anandsagar Sah on Aug 29, 2011 9:23 PM

View link refresh issue in a ADF Faces application

ADF BC, ADF Faces, JDeveloper 10.1.3.3
There is an example.
I have an Entity SaleEntity and two view objects: SalesView (based on the SaleEntity) and ProductsView (read only). SaleEntity has an attribute productId to reference a product sold. SalesView and ProductsView are related by a view link. The link works fine in a Business Component Browser.
Then I created a ADF Faces form to edit a sale. I used an af:selectInputText component for a productId:
<af:selectInputText
    value="#{bindings.ProductId.inputValue}"
    label="#{bindings.ProductId.label}"
    required="true"
    columns="6"
    action="dialog:ProductSearch"
    autoSubmit="true"
    valueChangeListener="#{CreateSaleBean.productId_valueChanged}"
    tip="#{bindings.ProductsViewName.inputValue}">
<af:validator binding="#{bindings.ProductId.validator}"/>
</af:selectInputText>
{code}
User can enter productId directly or select a product from a LOV. I set a tip attribute of af:selectInputText to display a name of the current product. The tip uses ProductsView through the view link between SalesView and ProductsView. valueChangeListener is used here to make tip update right after partial form submit:
{code:java}
public void productId_valueChanged(ValueChangeEvent valueChangeEvent) {
    String prodId = (String) valueChangeEvent.getNewValue();
    JSFUtils.setExpressionValue("#{bindings.ProductId.inputValue}", prodId);
    getIteratorBinding("SalesViewIterator").refresh(DCExecutableBindingDef.RC_REFRESH);
    getIteratorBinding("ProductsView").refresh(DCExecutableBindingDef.RC_REFRESH);
{code}
SaleEntity has a productId attribute validator to ensure that id of existing product was specified. The validator is implemented in the same way as ADF Developer Guide chapter "9.6.2 Implementing an Efficient Existence Check" describes.
All this works fine when user enters correct productId - the new value is submitted and the tip is updated. But if user enters non existing productId - the tip doesn't change. It seems that detail view row currency doesn't change in that case. I want to make the tip empty when the provided productId is incorrect. Any ideas how to achieve this?
Thanks,
Marius

Blaise,
no I don't want to insert new product. I want make products view object have no current row.
In addition product existence check code is in a sale entity. I don't think it is a good idea to have an entity object depending to some specific view object. Maybe I'm in the wrong.
Marius

How to display hourglass while ADF view link is retrieving rows in a swing.

I posted this yesterday but did not get a solution, here is my posting again:
Hi All,
I have an ADF panel which includes several interdependent ADF View Objects and View Links. The query of the top view object might return several rows, then once user navigates from 1st to second row and so on, the dependent (child) view links display corresponding data. This is a swing app and not a web or jsf app.
Sometimes it might take 8 to 12 seconds for the corresponding data from child view links to be retrieved, during this time window the ADF Panel might appear to be frozen to the user.
So my question is what do I have to do so the ADF Panel would display hourglass while it is retrieving the rows for the corresponding child view links. If I have to manually update the java generated by Jdev, then what java line and where would I introduce it?
Your inputs are most appreciated.
Thanks.

Check af:progressIndicator , af:statusIndicator
http://www.oracle.com/technology/products/jdev/htdocs/partners/addins/exchange/jsf/doc/tagdoc/core/progressIndicator.html
http://download.oracle.com/docs/cd/E15051_01/apirefs.1111/e12419/tagdoc/af_statusIndicator.html

How to display hourglass while ADF view link is retrieving rows.

Hi All,
I have an ADF panel which includes several interdependent ADF View Objects and View Links. The query of the top view object might return several rows, then once user navigates from 1st to second row and so on, the dependent (child) view links display corresponding data.
Sometimes it might take 8 to 12 seconds for the corresponding data from child view links to be retrieved, during this time window the ADF Panel might appear to be frozen to the user.
So my question is what do I have to do so the ADF Panel would display hourglass while it is retrieving the rows for the corresponding child view links. If I have to manually update the java generated by Jdev, then what java line and where would I introduce it?
Your inputs are most appreciated.
Thanks.

from the component palatte drag n drop this component into your jsf page.
more info:
http://download.oracle.com/docs/cd/E15051_01/apirefs.1111/e12419/tagdoc/af_statusIndicator.html
Using javascript you can change the mouse cursor to an hourglass. Try using clientListener within commandButton and use javascript.
document.body.style.cursor = "wait";
document.body.style.cursor = "default";
Edited by: Puthanampatti on Jan 12, 2010 1:56 PM

ADF Navigation List and View Links . any tutorial for this subject ?

Hi
Its two day that i am looking in oracle web site and tutorials that are provided in oracled ADF books.
but i can not figure it out how i can user a Navigation List , view Link to insert record in a child table.
so far i just could create a page that when i change the Navigation List selected item and then refresh that page , the related Fields of child table filled with master table PK.
although i cheched and i saw that ComboBox (Navigation List) auto submit is true.
does any one has a clue about this ?
Thanks

Timo,
Thanks for your reply but there is lot of headache, human errors in removing such VO and associations.
Jobinesh,
I am doing exactly what is described in here http://www.oracle.com/technetwork/developer-tools/jdev/mysql-and-bc-howto-082060.html
Expected Behaviour:
1. Create Following Association and VL, which is working fine.
PeopleCompanyFkAssoc1 and PeopleCompanyFkAsoc1Link >> 0..1 to * Cardinality Between Company.CompanyID and People.CompanyID
2. Do NOT Create any other non sense Association and VL, but it is creating
PeopleCompanyFkAssoc and PeopleCompanyFkLink >> 0..1 to * Cardinality Between People.PeopleID and People.CompanyID
What's the relationship between PeopleID and CompanyID ?
Screenshot: http://imageshack.us/g/64/assock.jpg/
Problem 1: I was trying to create table "Table222" I got error as shown in screen shot.
Problem 2: Screen shot of Associations

Can I use View Link in ADF Creation Forms Jdev 10.1.3

Hi...
I created a view link of two tables. Then I created a ADF form with Master Object to show some informations.. and I created a ADF Creation form with the detail Object
I'm trying to submit the informations added in the Detail forms.
but no records are created in Database..
Can I submit a creation form using detail object?
Thanks

I figured out "partially" the problem, I tried to overrid the create method, and for any reason the commit operation wasn´t working.
I was trying to set a value for a proprety, but it did not work as a wish.
My intention was.... when an user execute the form. one specific field brings a value.. however I cannot set default value. cause it´ll change sometimes.
it´s something like this
protected void create(AttributeList attributeList) {
super.create(attributeList);
setMyProperty(new Number(0));
do you know how can I figure out this problem?

ADF BC: both ID and view link object as getter/setter in row impl

I notice something when generating the row implementation of VO that have links to other VO. I can't seem to find the logic behind it...
Following model:
users( id, address_id,name,firstname,...)
address(id, street,number,...)
their is an assosiation between the UsersEO and the addressEO. Their is also a view link between the UsersVO and the AddressVO based upon the assosiation of the EO's.
When we create the row implementation of the UsersVO we find a getter and setter for both the address_id as well as the address row object.
Why is this?
We have this issue because i added the UsersVO and the addressVO to the app module but i haven't added the link to the appModule but when i create the SDO from the appModule, the Users has both the address_id as the address row object.
THis does not seem to make sense. How do you use it correctly? Do you just need to set the address_id and can leave the row object null or do they both need to have the same? What if you set the address_id to 1 but the id in the address row object is set to 5...
How do the databindings handle these things?
To me it seems more logical that the VO only has a getter and setter for the address object and handles the address_id in the background according to the values in the address object.
Can someone explain me why this is implemented this way and how to handle it correctly?
Edited by: Yannick Ongena on Sep 27, 2010 5:29 PM

Yannick Ongena wrote:
When we create the row implementation of the UsersVO we find a getter and setter for both the address_id as well as the address row object.
Why is this? The definition of the VL allows you to optionally generate accessors for the underliying VOs, i.e. getAddressVO() in the UsersVO and getUsersVO() in the addressVO.
We have this issue because i added the UsersVO and the addressVO to the app module but i haven't added the link to the appModule but when i create the SDO from the appModule, the Users has both the address_id as the address row object. You should add the addressVO to the AM using the VL instead and not by itself.
THis does not seem to make sense. How do you use it correctly? Do you just need to set the address_id and can leave the row object null or do they both need to have the same? What if you set the address_id to 1 but the id in the address row object is set to 5...
As mentioned above, once you add the addressVO to AM using the VL, the framework will take care setting the value of the row objects accordingly.

ADF VIEW LINKS

Hi,
I have 3 tables table1, table2 and table3 EO and VO are there.
My screen has 2 regions as below
one top region with listing of records from table1 <<<< this works well
bottom region has 2 tabs
First tab has the table2 records corresponding to above row of table1 (using a VIEW LINK between table1 and table2) <<<<< THIS WORKS WELL
Second tab needs to have the table3 records corresponding to the top listing from table1. How do I do that.
View of table1 (used in the top region)
------ view of table2 <<<< VIEW LINK used in first tab
------ view of table3 <<<< VIEW LINK used in second tab
I am not able to create the above table3 view link.
Any ideas please.

Have you tried defining ViewLink between table1 and table 3?If yes, what is the behavior you are seeing when you select tab2?

View link in ADF

Hi,
I have created a view link. It works fine when I test it through application module, but when I select the view link node under related view object and look at the different options available in the dropdown list "Drop As:", I can't see anything. It is supposed to be something like Master Detail (Many to Many), but what I see is all blank in the dropdown list and I can't use it in the jsp page to create a master detail functionality.
Thanks,
Setare

yes that's the view object for the master.
Suppose you create a default business component on the Dept and Emp tables from the Scott schema.
In the Data Controller Palette you'll see a DeptView1 and if you expand it after the fieilds from the dept table you'll see the Empview table.
check out this image to see how it looks like:
http://otn.oracle.com/products/jdev/collateral/tutorials/9050/images/datacontrol.jpg
(that's from the UIX tutorial).

ADF BC : Polymorphic View Link

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