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Comments on: Extreme Reusability on Oracle Wiki http://www.avromroyfaderman.com/2008/10/extreme-reusability-on-oracle-wiki/ Tricks, Tips, Thoughts, and Rants About Java EE, Oracle ADF, and Web Application Development Mon, 07 Mar 2011 17:06:54 -0800 http://wordpress.org/?v=2.8.6 hourly 1 By: Avrom http://www.avromroyfaderman.com/2008/10/extreme-reusability-on-oracle-wiki/comment-page-1/#comment-6547 Avrom Fri, 29 May 2009 21:22:09 +0000 http://www.avromroyfaderman.com/?p=189#comment-6547 Hi, Brad. Your answer is, "well, sorta a little bit." You can <em>certainly</em> use the "Generalize, Push Up, and Customize" technique that is part of ER--creating framework classes, custom components when appropriate (although IIRC you can't create custom components declaratively in 10<em>g</em>), etc., and deploy these as ordinary (Java class file-only) JAR files that can be used as libraries. And you can import business components, not as libraries, but as uncompressed (but compiled) packages using the File | Import functionality. But 10<em>g</em> has no concept of reusable applications, and honestly the import functionality is a little bit wonky. While I encourage you to Generalize/Push Up/Customize whenever possible, Extreme Reusability as a full development methodology is going to be pretty hard to put into effect without the 11<em>g</em> technologies that, honestly, inspired it: BC libraries, application libraries, task flow calls, declarative custom components, templates, and so on. I wish it were otherwise, because I'm not going to glibly tell you to upgrade--I know that for a variety of reasons (investment in Portal, etc), upgrading may just not be feasible for you. But I think you have to regard the usability of this methodology as another piece of 11<em>g</em> bling. Hi, Brad. Your answer is, “well, sorta a little bit.”

You can certainly use the “Generalize, Push Up, and Customize” technique that is part of ER–creating framework classes, custom components when appropriate (although IIRC you can’t create custom components declaratively in 10g), etc., and deploy these as ordinary (Java class file-only) JAR files that can be used as libraries. And you can import business components, not as libraries, but as uncompressed (but compiled) packages using the File | Import functionality.

But 10g has no concept of reusable applications, and honestly the import functionality is a little bit wonky. While I encourage you to Generalize/Push Up/Customize whenever possible, Extreme Reusability as a full development methodology is going to be pretty hard to put into effect without the 11g technologies that, honestly, inspired it: BC libraries, application libraries, task flow calls, declarative custom components, templates, and so on.

I wish it were otherwise, because I’m not going to glibly tell you to upgrade–I know that for a variety of reasons (investment in Portal, etc), upgrading may just not be feasible for you. But I think you have to regard the usability of this methodology as another piece of 11g bling.

]]> By: Brad Worsfold http://www.avromroyfaderman.com/2008/10/extreme-reusability-on-oracle-wiki/comment-page-1/#comment-6544 Brad Worsfold Fri, 29 May 2009 16:19:45 +0000 http://www.avromroyfaderman.com/?p=189#comment-6544 Hi Avrom. I was wondering if your extreme reusability can be done in 10g of JDeveloper? I am not able to see EO or VO objects from JAR files. The only way it seems to work is via source file inclusion. Am I missing something? I like the concepts, implementation is a bit of a challenge. Hi Avrom. I was wondering if your extreme reusability can be done in 10g of JDeveloper? I am not able to see EO or VO objects from JAR files. The only way it seems to work is via source file inclusion. Am I missing something? I like the concepts, implementation is a bit of a challenge.

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