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Subject: Re: [wsrp-interop] cloning bahaviour
Richard, My interpretation is that a Producer should not throw StateChangeRequired fault when the portletStateChange flag is set to cloneBeforeWrite or readWrite. Firstly, the Producer has a chance to make state changes. Secondly, with the interpretation you present, the consumer first makes a call with cloneBeforeWrite, gets a fault, clones, and then repeats the pbia. This is more work for the Consumer and more waiting time for the end user. Subbu Richard Jacob wrote: > > > > > Hi folks, > > I have some questions regarding cloning and would like to hear your > interpretations. > Especially I'm interested in the cloneBeforeWrite handling. > > In the spec, section 6.3.2, page 43, lines 9-19 we say the following about > the portletStateChange flag set to cloneBeforeWrite: > 1. if Producer clones the portlet first, persistent state changes are > handled as if readsWrite was set > 2. if Producer does not clone the portlet, persistent state changes are > handled as if readOnly was set > > My interpretation here is that implicit cloning on the Producer side is > optional, i.e. if cloneBeforeWrite is set, the Producer can choose not to > clone implicitly and throw a stateChangeRequired fault in the same way as > if would do so for readOnly set (of course in the case where persistent > state change is necessary). > In this case the Consumer is "forced" to explicitly clone the portlet first > and then to proceed. > So my questions are: > 1. can a Producer throw a StateChangeRequired fault on a > performBlockingInteraction() if the portletStateChange field was set > cloneBeforeWrite? > 2. Should in general Consumers interpret this StateChangeRequired fault as > an signal to explicit clone a portlet prior to proceeding? > > Mit freundlichen Gruessen / best regards, > > Richard Jacob > ______________________________________________________ > IBM Lab Boeblingen, Germany > Dept.8288, WebSphere Portal Server Development > Phone: ++49 7031 16-3469 - Fax: ++49 7031 16-4888 > Email: mailto:richard.jacob@de.ibm.com > > > To unsubscribe from this mailing list (and be removed from the roster of > the OASIS TC), go to > http://www.oasis-open.org/apps/org/workgroup/wsrp-interop/members/leave_workgroup.php. >
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