Leonardo Uribe created MYFACES-3859:
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Summary: 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
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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