[jbossseam-issues] [JBoss JIRA] Created: (JBSEAM-3419) Conversational DataModel is not working properly

[Maximiliano Carrizo (JIRA)]

Conversational DataModel is not working properly
------------------------------------------------

                 Key: JBSEAM-3419
                 URL: https://jira.jboss.org/jira/browse/JBSEAM-3419
             Project: Seam
          Issue Type: Feature Request
          Components: AOP
    Affects Versions: 2.0.3.CR1
         Environment: All environments
            Reporter: Maximiliano Carrizo
             Fix For: 2.0.3.CR2


DataModel outjecting the very first value instead of selected one. 

Example source code:

@Name("permissionRolesSearch")
@Scope(ScopeType.CONVERSATION)
@Restrict("#{identity.loggedIn}")
@Conversational
public class PermissionRolesAction implements PaginatorListener,Serializable {
	
	/**
	 * 
	 */
	@DataModel
	PaginatorList<PermissionRoles> permissionRolesList;

...........................
...........................

PaginatorList implements List, and with SESSION scope works fine.

When I have a bean in Conversational Scope, and this bean has a DataModel, it has two problems.

1) outjecting the very first value instead of selected one
2) if outjected object is different from ArrayList, app throws an IllegalArgumentException.

This is an example of Seam Debug Page in the last case:

class 	 class org.jboss.seam.jsf.ListDataModel
dataModelListeners 	[]
rowAvailable 	false
rowCount 	10
rowData 	java.lang.IllegalArgumentException[null]
rowIndex 	-1
wrappedData 	it.ma.dpn.util.view.PaginatorList at 843edc
toString() 	org.jboss.seam.jsf.ListDataModel at 1297ba3

You can see a better description in:

http://seamframework.org/Community/DataModelOutjectingTheVeryFirstValueInsteadOfSelectedOne

P.S.1 I cant set ScopeType.CONVERSATIONAL, because it isnt allowed.
P.S.2 Setting SESSION context it isnt satisfactory, because bean stays active, and it isnt desired behavior.

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