Managed Bean method called several times in AF:ITERATOR

Dear all,
I can do not to understand this concept in the ADF. Being a beginner, I would like to know
the reasoning behind this.

I use af:foreach components and then I link it to my below managed bean.

<af:panelTabbed id="pt1">
     <af:forEach var="item" items="#{testBean.departmentsData}">
       <af:showDetailItem text="#{item}" id="sdi1"/>
     </af:forEach>
</af:panelTabbed>

public class TestBean {
    public List getDepartmentsData() {
        System.out.println("I was clicked!!!!");
        List lstData = new ArrayList();
        lstData.add("IT");
        lstData.add("Finance");
        lstData.add("Accounting");
        return lstData;
    }
}

On the first charge, it prints 7 times "I clicked".

When I clicked on one of the tab, I get 7 again which means my method was called 7 times.
Any reason behind this. ? Thank you.

I have used JDEV PS3 is told by the way.

Rather than build the list in your getter, build a list somewhere (in the constructor, perhaps). Your getter can then return just this list.

John

Tags: Java

Problem installation

    create or replace type Foo as object
    (
      Bar1 NUMBER,
      Bar2 NUMBER,
      Bar3 NUMBER,

      CONSTRUCTOR FUNCTION Foo(p_Bar1 NUMBER, p_Bar2 NUMBER, p_Bar3 NUMBER)
        RETURN SELF AS RESULT
        DETERMINISTIC
    )
/
    create or replace type body Foo is

      -- Member procedures and functions
      CONSTRUCTOR FUNCTION Foo(p_Bar1 NUMBER, p_Bar2 NUMBER, p_Bar3 NUMBER)
        RETURN SELF AS RESULT
        DETERMINISTIC
      AS
      BEGIN
        SELF.Bar1 := p_Bar1;
        SELF.Bar2 := p_Bar2;
        SELF.Bar3 := p_Bar3;
        dbms_output.put_line('Foo Constructor Called');
        RETURN;
      END;

    end;

Problem

    -- Constructor is called 6 times! 
    -- Once for each column and once for each predicate in the where clause.
    SELECT x.f.bar1 AS bar1, x.f.bar2 AS bar2, x.f.bar3 AS bar3, f
    FROM (
      SELECT foo(p_Bar1 => 1, p_Bar2 => 2, p_Bar3 => 3) f
      FROM dual d
    ) x
    WHERE x.f.bar1 = x.f.bar1 AND x.f.bar2 = x.f.bar2

Output

Foo constructor called

Workaround

    -- Work Around
    -- Constructor is called 3 times
    -- Once for each column in the inline view. 
    -- Note, I removed column f (the object type) because it's not compatible with the materialize hint.
    WITH y AS (
      SELECT /*+ materialize */ x.f.bar1 AS bar1, x.f.bar2 AS bar2, x.f.bar3 AS bar3
      FROM (
        SELECT foo(p_Bar1 => 1, p_Bar2 => 2, p_Bar3 => 3) f
        FROM dual d
      ) x
    )
    SELECT y.bar1, y.bar2, y.bar3
    FROM y
    WHERE y.bar1 = y.bar1 AND y.bar2 = y.bar2

Another solution is described in this thread... Access to the fields of an object custom type... which makes use of a type of collection combined with SCOREBOARD operator, like this...

create or replace type FooTable as table of Foo;

SELECT x.bar1 AS bar1, x.bar2 AS bar2, x.bar3 AS bar3, value(x) f
    FROM table(FooTable(
      foo(p_Bar1 => 1, p_Bar2 => 2, p_Bar3 => 3)
    )) x
    WHERE x.bar1 = x.bar1 AND x.bar2 = x.bar2
;

BAR1 BAR2 BAR2 F
1    2    3    (1, 2, 3)

Foo Constructor Called

Hope that helps...

Gerard

Access to the data after the managed service VOImpl in bean method call

I use JDeveloper 11.1.2.4.
I created a method to Interface customer and he calls you a managed bean.
The method is exposed in the control of data and I have a links to it through links on the page.
The method runs just a view of criteria for a row of data in the database.
But, because the method does not have a return value, how could access the View object data.
Here's the Service method and the method of the bean management;
The service method: in PersonVOImpl.java - should result in 1 row:
public void getPersonByCnViewCriteria (String cn)
{
ViewCriteria viewCriteria = this.getViewCriteria ("PersonVOCriteriaByCn");
Reset a display criteria of values that may was resolved at design time
viewCriteria.resetCriteria ();
this.setCnBind (cn);
this.applyViewCriteria (viewCriteria);
this.executeQuery ();
}
Method in managed Bean: I have a linking operation method to access the Service method.

It seems that the Service method is executed successfully. But, how to access the data after the call?

protected void getPersonByCn (String cn)
{
BindingContainer bindingContainer = this.getBindings ();
OperationBinding operationBinding = bindingContainer.getOperationBinding("getPersonByCn");
Map operationsParamsMap = operationBinding.getParamsMap ();
operationsParamsMap.put (WorkFlowBean.PROPERTY_CN, NC);
Object result = operationBinding.execute ();
If (! operationBinding.getErrors () .isEmpty ())
{
}

// How to access data after the call?
}

You should never use a class VOImpl or VORowImpl in a managed bean. If you have to use them, create Interfaces and use.

I'm not too sure if it's good to return a view in a method object.

Its value cannot be changed when AF:inpuDate is set to a managed bean method
Dear gurus,

I have a date field. MinValue I want to set the default value of the value at the date of the day but also be editable by the user.
I put its value to a managed bean, odes, which returns the current date in java.util.Date type.
The value is displayed correctly, but the field is not editable.

The field that IS NOT bound to any attribute of the entity.

I searched the internet and this forum, but I have found no solution to this simple question.

Any help appreciated
Dimitris,

You have the value of the element associated with a bean called 'currentDate' attribute, but there is no Set accessor for the property. Where you expect the value to check if the user has changed the value? You would need a method "setCurrentDate()" in your bean for the editable field.

The get/set accessor you showed us (get/setStartDate) are for the instance of the component, not its value

John

Function used in the view definition is called several times
I'm writing a view that boils down to the following statement:

SELECT val, val)
SELECT SYS_GUID() val
OF the double
)

Against my expectation, which calls SYS_GUID() twice, resulting in two different values for val.

I have written here as view inline, but it must be a regular view in reality. Is it possible to build this view while SYS_GUID is called only once, even if the resulting value is then selected several times? Naively, I want to affect the outcome of SYS_GUID to a variable, and then select the value of this variable. However, this seems not possible in a view.

New to Oracle PL/SQL. This works as expected in T - SQL SQL Server.

Thanks for any help or insight you can provide.

-Brian
Hmmm, I have no 11 + available so I can't check a solution, but I would like to test:
```
SELECT val, val FROM (
SELECT SYS_GUID() val
FROM dual
WHERE ROWNUM = 1
)
```
or
```
SELECT val, val FROM (
SELECT /*+ NO_MERGE */ SYS_GUID() val
FROM dual
)
```
Edit: the no_merge indicator seems to work in 10.2.0.4

Published by: David_Aldridge on December 14, 2010 23:21

Frame 1 called several times
Hey all,.

Have a problem with flash. I have the code that I placed in frame 1 that seems to be called many times. I thought that image1 could get called once during initialization when the page first loaded the object but which does not occur.

Is this normal then? I put my code in a different location?
Or simply put a stop() action somewhere after frame 1.

--
Dave-
Developer leader
www.blurredistinction.com
Adobe Community Expert
http://www.Adobe.com/communities/experts/

Function called several times
Hello

In my custom workflow, when the user approves a notification, it goes to the next function in the workflow. I used the command insert in this function to insert data into a custom table. I see that the data is inserted 2 times with different values.
I was wondering how the insert statement is called 2 times when he was supposed to do only once?

Any suggestions?

Thanks in advance.
2 scenarios that can occur:

(1) check whether you have a message notification function that is also an insert in the custom table.
(2) to ensure that the procedure called by your function activity have good if funcmode conditions. Paste the snippet of the Workflow Developer's Guide:

API standard for procedures called by function activities PL/SQL

PL/SQL all the stored procedures that are called by the function or the notification of activities in a Workflow Oracle process should follow this standard API format so that the workflow engine can correctly run the activity.

Important: The Workflow Engine traps errors generated by the function activities by defining a backup point before each function activity. If an activity generates an unhandled exception, the engine performs a restore to the backup point and sets the activity of the error state. For this reason, you should never engage in the PL/SQL to an activity of the function procedure. The questions never one workflow engine commit it is the responsibility of the calling application to commit.

For environments such as database triggers or distributed transactions that do not allow for recording points, the workflow engine automatically intercepts the errors 'Point unauthorized registration' and differs from the execution of the activity of the base engine.

Components of Oracle workflow that continue the asynchronous processing, such engines at bottom and the system of Notification, workflow are issued is committed, where appropriate on behalf of the calling application.

The example in this section is numbered using the notation (1) for ease of use. The numbers themselves are not part of the process.

(1) procedure
(itemtype in varchar2,
ItemKey in varchar2,
actid number,
funcmode in varchar2,
Result out out varchar2) is

(2)

(3) start

If (funcmode = 'RUN') then

Out result: = ' COMPLETE:';
return;
end if;

(4) if (funcmode = ' CANCEL') then

Out result: = "FULL";
return;
end if;

(5) if (funcmode = 'SKIP') then

Out result: = ' COMPLETE:';
return;
end if;

(6) if (funcmode = ' RETRY') then

Out result: = ' COMPLETE:';
return;
end if;

(7) if (funcmode = ' VALIDATE') then

Out result: = "FULL";
return;
end if;

(8) if (funcmode = 'RESPONSE') then

Out result: = "FULL";
return;
end if;

(9) if (funcmode = "forward") then

Out result: = "FULL";
return;
end if;

(10) if (funcmode = 'TRANSFER') then

Out result: = "FULL";
return;
end if;

(11) if (funcmode = 'QUESTION') then

Out result: = "FULL";
return;
end if;

(12) if (funcmode = ' REPLY') then

Out result: = "FULL";
return;
end if;

(13) if (funcmode = "TIMEOUT") then

If () then
Out result: = "FULL";
on the other
Out result: = wf_engine.eng_timedout;
end if;
return;
end if;

(14) if (funcmode = "") then
Out result: = ' ';
return;
end if;

(15) exception
while others then
WF_CORE. CONTEXT ("", "",
, ,
TO_CHAR (), );
lift;

(16) end ;

Paint is called several times...

Hello

My code has a check box form field, on which I paint custom color development on its width and its height. The user interface works fine, but her object is called repeatedly even though no cases of the user (such as scrolling or selection) occurs on the ground.

Here is my code block:
```
CheckboxField checkBoxField = new CheckboxField(checkBox
                        .toString()) {

protected void paint(Graphics graphics) {
   System.out.println("in paint() of cb");
   if (this.isFocus()) {
    System.out.println("is focused");
    graphics.setColor(getHighlightColor());
    graphics.fillRect(0, 0,    this.getExtent().width,this.getExtent().height);
   }

graphics.setColor(getFontColor());
super.paint(graphics);
}
};
```
Also, I found another similar post but it dint work for me: http://supportforums.blackberry.com/t5/Java-Development/paint-method-gets-called-repeatedly/m-p/5829...

Any help would be much appreciated...

P.S. This checkbox field is held in a verticalFieldManager.

Thank you...

Hey...

Thanks for the reply Peter...

finally understood it...

My screen had an image bitmap field, in which object, I used the setSpace(). The setSpace() seems to invalidate the field and thus invoke its object in a nested way.

However, what surprised me are the fact that such behavior was only on the screen with the check box and the date fields.

Anyway, moral of the story: be careful of API do you use in object, do NOT invalidate the field.

Thank you...

(Bug) Function that is called on the authenticationSuccess parameter is called several times

< rtc:AdobeHSAuthenticator id = "auth" authenticationKey = '{authToken}' protocol = "rtmfp" authenticationSuccess = "onAuthSuccess (); "authenticationFailure ="onAuthFailure (event); "/ >
The onAuthSuccess() function that is called at all times

Hi Ashish,

Can you give us the smallest possible complete app that reproduces it

question? I just built a simple and it worked.

Thank you

Nigel

Oracle ADF 11 g: invoke managed bean method when the page resizing.

Given the following code:

 <af:clientListener method="getElementWidth"
                                   type="propertyChange"/> 
                <af:serverListener type="customEvent"
                                   method="#{columnSizeBean.handleRequest}"/>

Is there a client listener that can be triggered when resizing browser window?
Something like:

 <af:clientListener method="getElementWidth"
                                   type="[[[[something like a window resize]]]]]]"/> 
                <af:serverListener type="customEvent"
                                   method="#{columnSizeBean.handleRequest}"/>

NOTE:
getElementWidth is a javascript method in my current code, while columnSizeBean is a sessionScope bean who did some calculations on the width of a table column.

Published by: Andrei C. on May 18, 2010 05:49

Hello

No, it isn't. However, in this case you can use vanilla JavaScript and register to the browser DOM to receive the event notification. If you notice rceive you access the server listener you put on the af:document component. It should work

Frank

PushApplication onMessage is called several times

Hi guys,.

I contacted my team BE but I'm waiting for answer, I want to ask the community:

Your onMessage is called repeatedly with the same message?

I see in the code for the examples of the RIM, they check that this message is new (not melted yet):

    public static void process( PushInputStream pis, Connection conn ) {
        Logger.log( "Reading incoming push message ..." );

        try {

            HttpServerConnection httpConn;
            if( conn instanceof HttpServerConnection ) {
                httpConn = (HttpServerConnection) conn;
            } else {
                throw new IllegalArgumentException( "Can not process non-http pushes, expected HttpServerConnection but have "
                        + conn.getClass().getName() );
            }

            String msgId = httpConn.getHeaderField( MESSAGE_ID_HEADER );
            String msgType = httpConn.getType();
            String encoding = httpConn.getEncoding();

            Logger.log( "Message props: ID=" + msgId + ", Type=" + msgType + ", Encoding=" + encoding );

            if( !alreadyReceived( msgId ) ) {
}
}

You have the same control in your application?

Thank you

Eugen

There is no guarantee that dups can be sent to the device, but in my experience its pretty rare. You will need to add a message id to the http header when you tap the message to make it work.

Why the method in the several times called session bean
Hello
I work with Jdev 11 g.
I created an example Web J2ee Application.
In the model project, I created:
1 - entity Bean
2 - stateless session bean (which contains a method that get the list of username == > em.createNamedQuery("OsaUser.findAll").getResultList ();)

In the view controller project I created:
1 - managed bean, session scope, a getter that calls the session bean and retrieve the result of the query.
2 - a JSF page with af:table element with the value bound to the list in the managed bean.

When I run the application, the data is displayed, but since I put system.out message I get this message several times.
When I try to debug the application the breakpoints on the managed bean and session bean are available several times.

Can you please advice why this happens.
Concerning
Emile BITAR
Hello

partially, it's the cycle of life and partially a known bug. The method is called during ApplyRequest and RenderResponse. If you check this in your output, so you see that make answer calls at least three times, which is the bug that we set. As a temporary work around, set a flag within the scope of the request (since your bean's scope of session that you use a requestScope attribute). The first time you run, you set the attribute flag. So every time its called again, you check to see if the indicator exists and if ignore the request. Because the flag is set to request scope, you needn't clean it explicitly

Frank

Managed Bean method called several times in AF:ITERATOR

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