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Re: WO and Java 'packages'?
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Re: WO and Java 'packages'?


  • Subject: Re: WO and Java 'packages'?
  • From: Jonathan Rochkind <email@hidden>
  • Date: Wed, 21 Apr 2004 16:59:55 -0500

This sounds promising.

If, as a first transitionary step, I simply put _everything_ in the _same_ package, then I have to change very little. It's all in the same package, don't need to worry about 'protected' access. [I know I need to worry about .wod bindings to 'protected' variables/methods, but I also know there is a simple fix to allow .wod binding access to 'protected' on a per-package basis, and I'll only _have_ one package!]. I don't need to worry about two classes with the same name in two different packages---I'll only _have_ one package.

So I'll need to do is go add the "package" qualifier to my EOEntity definitions in the EOModel. Which is tedious, since I have a lot models, but not at all frightening.

Hmm, maybe this will really be no problem. Of course, if I can simply leave everything in the 'default' package as current, then it's _really_ no problem. But I too could swear I read that there were changes to how the 'default' package was handled in 1.4.x which made it _especially_ a bad idea to use the default package at all. But I can't remember what they were, and dont' feel like googling around now. Perhaps they are problems that don't effect a typical WO app.

--Jonathan

On Apr 21, 2004, at 2:12 PM, Jonathan Rochkind wrote:

So I'm still using WO 5.2.1, with Java JRE 1.3.1.

And I must confess, I've never put my code in Java packages. Which I guess means all of my classes are in the default package.

Well, I'm shocked!  :-P

My understanding is that JRE 1.4.x (which newest versions of WO require) pretty much forces me to put my code in explicit packages. Leaving it all in the default package doesn't really work anymore. No problem, I can certainly add a 'package net.whatever.something;" statement to the top of every line of source. (I know better organization would be desirable, but one step at a time).

I thought that was true as well but the default package seems to work just fine. I searched and could find no reference to this requirement. Did we both just hallucinate this?

My question is, how does this effect other WO/EOF stuff that specifies class names as strings? Do I generally need to specify the qualified-with-package class name _everywhere_?
Generally, not if you import the package.

In pageWithName calls?
Only if you have a component with the same name in different packages, otherwise no change is needed.

How about in EOEntity "Class" specifications?
In the EOModel?  Yes, that needs the package.

 What about partial/reusable components?  Does my .wod need to read:
ReusableComponent1: fully.package.qualified.ReusableComponent {
}

How about WOSwitchComponent, do I need to bind it's "WOComponentName" binding to a value that's a package qualified name?

Only if you have a component with the same name in different packages, otherwise no change is needed.

Anything else I'm not thinking of?
KVC won't work with protected / package access ivar if there are no public accessor/mutators.

Some guidance here would be welcome. On generally how moving all of my code into a package (from the unspecified 'default' package) will effect various aspects of the WO/EOF frameworks and my use of them.

The above are the only issues I recall.


Chuck
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References: 
 >WO and Java 'packages'? (From: Jonathan Rochkind <email@hidden>)
 >Re: WO and Java 'packages'? (From: Chuck Hill <email@hidden>)

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