ClassTransformation needs ability to rename a method and extend the beginning
of a method
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Key: TAPESTRY-1615
URL: https://issues.apache.org/jira/browse/TAPESTRY-1615
Project: Tapestry
Issue Type: Improvement
Components: tapestry-core
Affects Versions: 5.0.5
Reporter: Dan Adams
Fix For: 5.0.6
My original problem:
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Okay, so I'm creating a @Once annotation that when applied to a method
like so:
@Once
public List<Foos> getFoos() {
// do some expensive operation like reading foos from the db
}
you can call getFoos() as much as you want and it will only actually
execute once, allowing you to reference foos many times in your template
(or elsewhere) without having to worry about doing expensive operations
multiple times or having to cache a value manually.
I had this working just fine in T4 because you could call the superclass
method but since this is transforming the class I can't call
super.getFoos(). ClassTransformation doesn't seem to have any methods
for renaming a method or replacing any calls to it.
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This could be solved by either being able to rename a method so all calls go to
your new method which can call the old method or by being able to add code to
the beginning of a method similar to how extendMethod() currently adds to the
end.
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