You might also want to take a look at Cayenne. It's well documented and we're eager to help where the docs fall short. And most importantly; it's an active and maintained project that didn't die over a decade ago :)
- hugi > On 26 Jun 2020, at 19:04, Aaron Rosenzweig via Webobjects-dev > <webobjects-dev@lists.apple.com> wrote: > > Hi Don, > > Have a look at EOEntity and friends: EOAttribute, EORelationship. > > You can build them out and setup the “external” name for the column, etc. I > did it once as an exercise many moons ago. The only practical use I got out > of it was sometimes sanity checking keyPaths to see if they hit things “in > memory” or if they were completely traversable through EOEntity > relationships. Something that trips an in-memory method call is not something > you can use to build a complex SQL query. > > Like other people have said, the “reverse engineering” of the original WO > tools is more likely what you want to use instead. You point Entity Modeler > at a database and it can make a surprisingly good model file from it. > Depending on how big the database is… it might be worth your trouble of > firing up MacOS Tiger and installing the NeXTStep GUI tools to do the reverse > engineering. I don’t think that the Eclipse java based EntityModeler can > reverse engineer. I don’t know if Cayenne can reverse engineer. > AARON ROSENZWEIG / Chat 'n Bike <http://www.chatnbike.com/> > e: aa...@chatnbike.com <mailto:aa...@chatnbike.com> t: (301) 956-2319 > > >> On Jun 25, 2020, at 8:53 PM, Don Lindsay via Webobjects-dev >> <webobjects-dev@lists.apple.com <mailto:webobjects-dev@lists.apple.com>> >> wrote: >> >> Hello; >> >> The Documentation for EOModel states that you can build one in code, but >> there are no examples or further information that I can find. Does anyone >> have any documentation or samples that they can direct me to so I can create >> EOModels while the application is running: >> >> What I want to do is connect to a database that my app does not know about, >> someone provides connection parameters and I create an EOModel and connect >> to that database or rest and access it using the EOModel created using new >> EOModel(). >> >> Thanks >> >> Don >> _______________________________________________ >> Do not post admin requests to the list. They will be ignored. >> Webobjects-dev mailing list (Webobjects-dev@lists.apple.com >> <mailto:Webobjects-dev@lists.apple.com>) >> Help/Unsubscribe/Update your Subscription: >> https://lists.apple.com/mailman/options/webobjects-dev/aaron%40chatnbike.com >> <https://lists.apple.com/mailman/options/webobjects-dev/aaron%40chatnbike.com> >> >> This email sent to aa...@chatnbike.com > > _______________________________________________ > Do not post admin requests to the list. They will be ignored. > Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) > Help/Unsubscribe/Update your Subscription: > https://lists.apple.com/mailman/options/webobjects-dev/hugi%40karlmenn.is > > This email sent to h...@karlmenn.is
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