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Subject [Jakarta HiveMind Wiki] Updated: PartialPipelineFilterProposal
Date Sun, 03 Oct 2004 13:15:31 GMT
   Date: 2004-10-03T06:15:31
   Editor: AlbertKwong <>
   Wiki: Jakarta HiveMind Wiki
   Page: PartialPipelineFilterProposal

   no comment

Change Log:

@@ -1,4 +1,4 @@
+= Problem Description =
 Currently a filter has to support all methods defined by the service to be pipelined.  In
some situations this is not desirable because
@@ -7,6 +7,8 @@
 Without support from the PipelineFactory, a designer can achieve the same objective by breaking
down the interface into smaller interfaces, create a pipeline for one of these sub-interface
only, and then build a facade to combine the small interfaces.  However, this increases the
complexity of the design.
+= Proposed Solution =
 A proposal solution is to modify the PipelineFactory so that the first Bridge short-circuits
to the terminator if the caller calls a method that is not supported by filters.  The factory
shall be able to find these methods by comparing the filter interface to the service interface.
 Calling sequence for a normal pipeline method:
@@ -17,4 +19,4 @@
 ''Caller -> Bridge1 -> Terminator''
+= Discussions =

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