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Article #19extensible structs/interoperability
From: Paula DiTallo
Date: Wed, 28 Jun 2000 00:00
Date: Wed, 28 Jun 2000 00:00
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1929 bytes
Hello Techies! I've just finished drafting a 3-Tier Visibroker/Oracle/Java web installation using VB's caffeine. The operational version works well, however, using vendor-specific extensions like 'extensible structs' strangles the concept of implementation independance. I would like to expose the data in order for other enterprise-wide apps-- some running other ORBs-- without conflict. The complex datatypes such as Vectors and Hashtables have me concerned. I realize that I will need to write IDL wrappers for the java classes in question -- but I am not sure where to start. For example, if I eliminate returning the captured result-sets from ORACLE passed as Vectors in these java classes-- (this should eliminate extensible structures such as AbstractList, etc.) by creating a serializable object -- am I still left with the problem of storing data as an indirect object class that will be unavailable to other implementations? Any suggestions that you have will be very well received!;-} Warm regards, Paula DiTallo ditallop@sprynet.com plditallo@metro-design-dev.com Metropolitan Design and Development, Inc. www.metro-design-dev.com
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X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 108bbb,222a36e4c2f8e995,start X-Google-Attributes: gid108bbb,public X-Google-Thread: 10b07f,222a36e4c2f8e995,start X-Google-Attributes: gid10b07f,public X-Google-Thread: f753e,222a36e4c2f8e995,start X-Google-Attributes: gidf753e,public From: "Paula DiTallo" <ditallop@sprynet.com> Subject: extensible structs/interoperability Date: 2000/06/28 Message-ID: <8jc0ms$nqt$1@slb6.atl.mindspring.net> X-Deja-AN: 639856067 X-Priority: 3 X-Server-Date: 28 Jun 2000 04:59:08 GMT X-MimeOLE: Produced By Microsoft MimeOLE V5.00.2615.200 Organization: MindSpring Enterprises X-MSMail-Priority: Normal Newsgroups: comp.object.corba,comp.lang.java.corba,borland.public.jbuilder.corba-rmi