[jira] [Resolved] (MYFACES-3859) Allow use the flowId as a nodeId inside the same flow

["Leonardo Uribe (JIRA)" <de...@myfaces.apache.org>]

     [ https://issues.apache.org/jira/browse/MYFACES-3859?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Leonardo Uribe resolved MYFACES-3859.
-------------------------------------

       Resolution: Fixed
    Fix Version/s: 2.2.1

> Allow use the flowId as a nodeId inside the same flow
> -----------------------------------------------------
>
>                 Key: MYFACES-3859
>                 URL: https://issues.apache.org/jira/browse/MYFACES-3859
>             Project: MyFaces Core
>          Issue Type: Bug
>          Components: JSR-344
>    Affects Versions: 2.2.0
>            Reporter: Ludovic Pénet
>            Assignee: Leonardo Uribe
>             Fix For: 2.2.1
>
>
> The user reported this simple example:
>     @Produces
>     @FlowDefinition
>     public Flow defineFlow(@FlowBuilderParameter FlowBuilder flowBuilder) {
>             String flowId = "flux";
>         flowBuilder.id("", flowId);
>         flowBuilder.viewNode(flowId, 
>                 "/" + flowId + "/" + flowId + ".xhtml").
>                 markAsStartNode();
>         flowBuilder.returnNode("returnFromFlux").
>                 fromOutcome("#{flowScopedBean.return}");
>  
>         return flowBuilder.getFlow();        
>     }
> Please note there is a view node with the same name used by the flowId as nodeId. The current algorithm does not detect this case, so it is interpreted like if the user want to enter into the flow, causing a loop. But the code in transition(...) avoid the recursion and instead get out of the flow. 
> It is better if we check this case and deal with it properly before enter into a flow. 
> Please note in a normal case click to enter into a flow twice cause get out of the flow and enter into the flow again, which is correct. But in this case, the resulting flow will not have that behavior and instead the navigation goes to the node identified as start node without exit from the flow.



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