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From Aristedes Maniatis <>
Subject XMLSerializable
Date Sun, 04 Nov 2007 02:09:21 GMT
There are two XMLSerializable interfaces. One in  
org.apache.cayenne.util and one in org.apache.cayenne.xml.

They are very similar but the xml package one includes decodeFromXML 
(XMLDecoder). CayenneDataObject is the only class which implements  

On the other hand classes which implement the util version of the  
package instead use MapLoader to perform the decoding from XML in the  
form of a SAX parser.

* can we rename these interfaces so they are more different (I think  
one is a SAX decoder and the other DOM), or

* can CayenneMapEntry be somehow merged with XMLSerializable. They  
apply to different classes now but I'm not sure why. (doesn't  
everything in the map need to be XML serializable and everything  
which is serializable is in the map?), or

* should we merge the two XMLSerializable interfaces and make  
decodeFromXML a noop where is it not used

Ideally I'd have thought decodeFromXML() and encodeFromXML() are  
always nice symmetric pairs but I'm thinking this would require a  
change from using a SAX parser in MapLoader to using a DOM parser.

I'm just trying to understand this code as I navigate through it  
working on some other things.


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