Hi
If I have a property x, that is populated by my controller class by a
database operation that builds some object, how does Tapestry observe
changes to that property? e.g. If I delegate property creation to
Tapestry by using a <property> in the template, and an abstract method
signature, how does Tapestry know when the property changes?
1) Does it actually check, or does a call to getX() actually invoke the
controller each time, goto the database each time, build the object each
time?
2) Or does it figure out that it hasn't changed?
3) If not, do I have to write my own properties in Tapestry (and avoid
the automatic generation), if so, how do I inform the observer that the
property has changed?
Thanks in advance
--
Dan Garland
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