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Subject: Re: [ebxml-bp] Dynamic (late) binding proposal - take 3 now withdiagram
Please find next version 3 of the LateBinding Pattern. This version has some new apspects in it such as the possibility to relate binding to Events, The bindingTime contains an initial set if types but could be extended to handle more variations. The bindingBasis points to an runtime instance of CA-BI or BAT-BT and together with the boundEvent it determines when the value is instantiated. It also open up for possibly adding Timers in V3, ie if nothing happens for 3 hr a Timeout could be establised. The following example show hows to pick out a TTP from the request message <BusinessTransaction> <RequestMessageTTP defaultTTP="2h" boundWhen="OverridePossible" bindingBasis="./RequestMessage" boundEvent="CompletionEvent" > ./MessageEnvelope//ResponceTime </RequestMessageTTP> </BusinessTransaction> Reference path is: BTANameID/RequestMessage/MessageEnvelope//ResponceTime The VariableTimeToPerform and ExternaTTP and optional future elements where you can can get values from a runtime "variable" (this is of course not part of V2) and external is an extensionmechanism for the brave ones who want to sidestep the BPSS and enter into the area of possible and unforseen sideeffects. /anders Anders W. Tell wrote: > Please find the following diagram outlining one way of formulating > dynamic or late bound TimeToPerform or similar parameters. > > At the top there is a abstract superclass that does not turn up in the > document, the concrete subclasses does. > > The BindingTime speficies when binding occurs, i.e. which > collaborationEvent(s). (maybe this should also be an element?) > Default value is the value before binding occurs > TTP duration can be ORed together with Union. > > <TimeToPerform boundWhen="enclosingCollaborationInitiationEvent"> > <Union> > <StaticTimeToPerform>2h<StaticTimeToPerform> > > <RequestMessageTTP>//MessageEnvelope//ResponceTime</RequestMessageTTP> > </Union> > <TimeToPerform> > > This patterm may be used for other parameters that are candidates for > dynamic binding.. > > /anders > -- ///////////////////////////////////// / Business Collaboration Toolsmiths / / website: <www.toolsmiths.se> / / email: <anderst@toolsmiths.se> / / phone: +46 8 562 262 30 / / mobile: +46 70 546 66 03 / /////////////////////////////////////
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