EOEnterpriseObjectClazz with interface
EOEnterpriseObjectClazz with interface
- Subject: EOEnterpriseObjectClazz with interface
- From: "Morris, Mark" <email@hidden>
- Date: Mon, 19 Nov 2018 05:31:06 +0000
- Thread-topic: EOEnterpriseObjectClazz with interface
Hi all,
I ran into a simple case where a good old ObjC protocol would have worked fine,
but Java provides only frustration. 😉
I wanted to require that a class that decides to implement a particular
interface should as part of that interface implement a certain static method.
No go in Java.
The implementing classes will always be subclasses of ERXGenericRecord, and a
little searching uncovered the promising EOEnterpriseObjectsClazz approach.
Right at the top it says:
In Java, static methods are similar to class methods in Objective-C, but one
cannot use static methods in interfaces and static methods cannot be overridden
by a subclass. Using the clazz pattern removes those limitations.
However, I didn’t see any examples of this use, and spent a little time but
couldn’t figure it out. Are there any examples out there?
Thanks!
Mark
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