[jboss-jira] [JBoss JIRA] Created: (BPEL-289) repeatUntil should execute until the condition becomes true, *not* as long as the condition evaluates to true

[Alejandro Guizar (JIRA)]

repeatUntil should execute until the condition becomes true, *not* as long as the condition evaluates to true
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                 Key: BPEL-289
                 URL: http://jira.jboss.com/jira/browse/BPEL-289
             Project: JBoss jBPM BPEL
          Issue Type: Task
      Security Level: Public (Everyone can see)
          Components: Engine
    Affects Versions: jBPM BPEL 1.1 GA
            Reporter: Alejandro Guizar
         Assigned To: Alejandro Guizar


PROBLEM. Due to a misreading of the BPEL 2.0 specification text, the <repeatUntil> activity executed the contained activity as long as the condition evaluates to true. The described behavior corresponds to the description of the <while> activity. In the case of <repeatUntil>, the contained activity is to be executed until the condition becomes true. In other words, <repeatUntil> loops as long as the condition evaluates to *false*!

PROPOSAL. Currently <repeatUntil> is implemented as a special case in the While class. The idea is to introduce a new RepeatUntil class that focuses on the requirements of <repeatUntil> element, apart from <while>. Of course, the new design should strive for reuse.

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