Taskflow activities and Bindings and Data control usage

Hi,
I have the following use-case; I have a bounded task flow and I sometimes add new activities (method call, view, ...). For each of them JDeveloper creates seperate page definitions. I noticed that sometimes the bindings (iterator, method, attribute) DataControl attribute changes even if I dropped that bindings from the same Datacontrol instance to the taskflow. It changes in a manner such that AppModuleDataControl1, AppModuleDataControl2,... In this case I guess, every pagedef has its own application module and are not aware of each other, for example you cannot find an instance of a row, even if you updated that instance in another activity in the same taskflow. DataBindings.cpx file has a lot of entries of datacontrol usages of the same BC4JDataControl definition. But this does not always happens, sometimes. By the way I have nested application modules. What am I doing wrong? Any help appreciated.
Best Regards,
Salim

Hi,
yesterday I deleted all the datacontrol usage entires from databindings.cpx except the original one and today I started to work and noticed that some new datacontrol usage entries are added to databindings.cpx. I did not edit any pagedef, did not add any new activity. when I searched the project for the datacontrol usage instance name it only found matches in the databindings.cpx file, not in any other file.
Regards,
Salim

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The SRDemo has an example of a selectOneRadio bound to a parameter being used to pass to an ExecuteWithParams action (to automatically feed a view object's named bind variable. This is in the SRStaffSearch.jspx page.
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Hi,
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**Click the KUDOS thumb up on the left to say 'Thanks'**
Make it easier for other people to find solutions by marking a Reply 'Accept as Solution' if it solves your problem.

Adf faces, data control and more than one session context ?

I already put the question in the forum but nobody answered may be my question may not be so clear so i would put it again with other words.
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Message was edited by:
micwic

I already put the question in the forum but nobody answered may be my question may not be so clear so i would put it again with other words.
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It is perfect when you don't allow multiple instances of the same page in the same application session. Browser are now offering tab management that allow user to navigate through multiple applications just by changing the current tab. It's very useful. I imagine that user's will be using it also in my application and will use it to compare or more simply just watch about two different entities of the same type (the same xml page definition, the same object instantiated in the binding container).
Because the binding container is associated with the http session all tabs will share the same one, isn't ? So i understand the problem and that it is forbidden to have many identical page for a single instance in the binding container because of synchronization issues.
Is all that i said true ?
Is it a way to solve this type of problem ?
Will this problem be addressed by adf faces and data controls ?
Hope somebody will answer !
Message was edited by:
micwic

JDev 11.1.2 dropping a data control creates new DataControl Usage

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Hi Frank
"what other information is needed to reproduce this?": Tricky question...Got me thinking.
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J.-
Edited by: jpolanco on Feb 28, 2012 5:27 PM

License of data controls, data bindings without the ADF framework

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Edited by: Yannick Ongena on Nov 1, 2010 12:02 PM

The section Licensing of the JDeveloper FAQ page ( says:
Q: How do I know if I need a TopLink and ADF runtime license?A: You will need to be licensed for a production deployment of ADF if you are using any of the following features:
Oracle TopLink
ADF Controller / ADF Task Flows
ADF Business Components
ADF Model layer databinding
ADF Faces Component
ADF Swing
ADF UIX User interface components
ADF Actions / Datapages for Struts>
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Q: How do I know if I need a TopLink and ADF runtime license?A: You will need to be licensed for a production deployment of ADF if you are using any of the following features:
Oracle TopLink
ADF Controller / ADF Task Flows
ADF Business Components
ADF Model layer databinding
ADF Faces Component
ADF Swing
ADF UIX User interface components
ADF Actions / Datapages for Struts>
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Tutorials for MVC, Data Controls, and Data Bindings

I am looking for some good tutorials on:
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Creating Data Controls from Java Beans
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Thanx
Pam

Just curious, what control do you need that ADF doesn't offer you?
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IPhone 5 - Excessive data usage and data "bleed"

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There's something wrong. Have you tried the 4 Rs basic troubleshooting steps?
Restart:
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Restore from backup
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http://support.apple.com/kb/HT4146
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Hi,
Jdev 11.1.2.3.0 + mobile extension.
Windows 7, 64 bit.
Reproduceable with Android emulator but not on iOS and iOS emulator.
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Exact the same page used in a second feature works fine.
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[SEVERE - oracle.adfmf.framework - AmxBindingContext - loadDataControlById] Unable to load Data Control testDataControl due to following error: ERROR [oracle.adfmf.framework.exception.AdfException] - Unable to load definition for testDataControl.Types.findEmployeesView1DepartmentIdCriteria.findCriteria.childFindCriteria.findAttribute.
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at oracle.adfmf.cache.SimpleCache.get(Ljava/lang/Object;Ljava/lang/String;)Ljava/lang/Object;(Compiled Method)(Unknown Source)
at oracle.adfmf.metadata.cache.MetaDataCache.getByLocation(Ljava/lang/String;)Loracle/adfmf/util/XmlAnyDefinition;(Unknown Source)
at oracle.adfmf.metadata.cache.MetaDataFrameworkManager.getJavaBeanDefinitionByName(Ljava/lang/String;)Loracle/adfmf/metadata/bean/JavaBeanDefinition;(Unknown Source)
at oracle.adfmf.dc.VirtualJavaBeanObject.registerAccessorAttribute()V(Unknown Source)
at oracle.adfmf.dc.JavaBeanObject.registerJavaBean(Loracle/adfmf/metadata/bean/JavaBeanDefinition;)V(Unknown Source)
at oracle.adfmf.dc.VirtualJavaBeanObject.<init>(Ljava/lang/String;Ljava/lang/String;Loracle/adfmf/metadata/bean/JavaBeanDefinition;Ljava/lang/String;)V(Unknown Source)
at oracle.adfmf.dc.VirtualJavaBeanObject.<init>(Ljava/lang/String;Ljava/lang/String;Loracle/adfmf/metadata/bean/JavaBeanDefinition;)V(Unknown Source)
at oracle.adfmf.dc.VirtualJavaBeanObject.registerAccessorAttribute()V(Unknown Source)
at oracle.adfmf.dc.JavaBeanObject.registerJavaBean(Loracle/adfmf/metadata/bean/JavaBeanDefinition;)V(Unknown Source)
at oracle.adfmf.dc.VirtualJavaBeanObject.<init>(Ljava/lang/String;Ljava/lang/String;Loracle/adfmf/metadata/bean/JavaBeanDefinition;Ljava/lang/String;)V(Unknown Source)
at oracle.adfmf.dc.VirtualJavaBeanObject.<init>(Ljava/lang/String;Ljava/lang/String;Loracle/adfmf/metadata/bean/JavaBeanDefinition;)V(Unknown Source)
at oracle.adfmf.dc.VirtualJavaBeanObject.registerAccessorAttribute()V(Unknown Source)
at oracle.adfmf.dc.JavaBeanObject.registerJavaBean(Loracle/adfmf/metadata/bean/JavaBeanDefinition;)V(Unknown Source)
at oracle.adfmf.dc.VirtualJavaBeanObject.<init>(Ljava/lang/String;Ljava/lang/String;Loracle/adfmf/metadata/bean/JavaBeanDefinition;Ljava/lang/String;)V(Unknown Source)
at oracle.adfmf.dc.VirtualJavaBeanObject.<init>(Ljava/lang/String;Ljava/lang/String;Loracle/adfmf/metadata/bean/JavaBeanDefinition;)V(Unknown Source)
at oracle.adfmf.dc.VirtualJavaBeanObject.registerAccessorAttribute()V(Unknown Source)
at oracle.adfmf.dc.JavaBeanObject.registerJavaBean(Loracle/adfmf/metadata/bean/JavaBeanDefinition;)V(Unknown Source)
at oracle.adfmf.dc.ws.WebServiceObject.registerBean(Loracle/adfmf/metadata/dcx/AdapterDataControlDefinition;Loracle/adfmf/metadata/dcx/soap/SoapDefinitionDefinition;)V(Unknown Source)
at oracle.adfinternal.model.adapter.webservice.WSDefinition.loadDataControlDefinition(Loracle/adfmf/metadata/dcx/AdapterDataControlDefinition;)V(Unknown Source)
at oracle.adfmf.dc.GenericJavaBeanDataControlAdapter.loadDataControl(Ljava/lang/String;)V(Unknown Source)
at oracle.adfmf.dc.ws.WebServiceDataControlAdapter.setDataProvider(Ljava/lang/Object;)V(Unknown Source)
at oracle.adf.model.adapter.DataControlFactoryImpl.createDataControl(Loracle/adfmf/bindings/dbf/AmxBindingContext;Loracle/adfmf/util/XmlAnyDefinition;Ljava/util/Map;)Loracle/adfmf/bindings/DataControl;(Unknown Source)
Does anyone has seen the above error ?
I have recreated the model and mobile app more than 20 times, re-installed Jdev, re-created Jdev settings (integrated WLS & Co), ran the web services on a different machine.
On my site this problem is 100% reproduceable with android emulator.
regards
Peter

Hi, Peter, this could be an issue with proxy server setting. Are you behind a firewall when you test this?
iOS simulator would use Mac's proxy setting. Android Emulator has its own proxy setup - it's a bit complicated to get to and varies based on the Android emulator you are using. For 4.1 emulator (you should always use 4.x or above emulators), you would need to go into the emulator itself, and go to settings - Wireless & Networks - click More... - Mobile Networks - Access Point Names. You should see an Access point used by the emulator to simulate network connection. Mine says "T-Mobile US". You click on it, and then you can select the proxy attribute and set it according to your office's settings.
Hope that resolves the issue.
Thanks,
Joe Huang

How to drag component from data control palette and drop in a line of text?

Hi,
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Shay,
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 Get clearance for the #{bindings.Term.inputValue} term.

</f:verbatim>and got the display:
Get clearance for the #{bindings.Term.inputValue} term.I tried various ways, putting single quotes around the whole expression in single quotes, around part of it, using square brackets, ... I was going to click the "Post Message" button, but gave it one last try:
<f:verbatim>

 Get clearance for the ${bindings.Term.inputValue} term.

</f:verbatim>and I got it! --
Get clearance for the Spring 2009 term.It was my gut feeling that I was quite close because the dot-separated hierarchy {color:green}bindings.Term.inputValue{color} looks right, only some tiny bit in syntax narrowly missing it. I was lucky.
Thank you for the suggestion!
Newman

Selected node in a tree table (via Data Controls and not managed bean)

I am facing some problems in getting the selected row in a tree table.I have used data controls for creating the tree on the page.
I have 3 POJO's,ex; Class AB which has a list of Class CD.And Class CD has a list of class EF. (Used for the tree table)
Now i have a java class, called MyDelegate.java which has a list of AB.I generated data controls off this MyDelegate class and have dropped the ABlist as a tree table (also displaying CD and EF in the tree table).
It displays fine with nodes of AB,CD (child of AB)and EF(child of CD)
The tree table is not bound to any managed bean.
For performing actions on the tree, i create a method - "doSomething() in the delegate class",generate data controls and drop it as a button.
Inside doSomething(), i need acess to the selected node in the tree (it can be a node of type AB or CD or EF).
The problem: I always get access to the node of type AB, and not the child nodes no matter what i click in the tree table.
doSomething(){
DCBindingContainer dcBindingContainer = (DCBindingContainer)ADFUtil.evaluateEL("#{bindings}");
DCIteratorBinding dcTreeIteratorBinding = dcBindingContainer.findIteratorBinding("lstABIterator");
RowSetIterator rowTreeSetIterator = dcTreeIteratorBinding.getRowSetIterator();
DCDataRow rowTree = (DCDataRow)rowTreeSetIterator.getCurrentRow();
if (rowTree.getDataProvider() instanceof AB) {
          //do something
          AB selectedAB = (AB)row.getDataProvider();
} else if (rowTree.getDataProvider() instanceof CD){
          //do something
} else if (rowTree.getDataProvider() instanceof EF) {
          // do something
How do i access the "selected child node of the tree table" here in the delegate class method? Pls help.

Hi Frank,
Thanks for the response. In my case, i dont have a managed bean, so i am slightly unsure how to do it.
There is a mention "Note that another way to access the treeTable component at runtime is to search for it in JavaServer Faces UIViewRoot. This latter option allows you to write more generic code and does not require to create a page dependency to a managed bean"
How do i use this adf view root (without a managed bean) to get hold of the selected row in the tree table. Pls help.
Thanks.

Taskflow activities and Bindings and Data control usage

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