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Garbage collection in DOM


dom garbage collection
I'm writing an application using the Java binding of DOM (Xerces,
specifically),
but I'm trying to use the JAXP framework and generic DOM interfaces/methods
as much as possible to avoid tying myself permanently to a specific DOM 
implementation.

What I was trying to determine was whether there is a way to "destroy" a
Node
(or even a complete Document) after having created it. My application is
doing
multiple transforms and basically handing off one Document (or Node
sub-tree)
from one Transformer to the next. As I go through several transformations,
I'd
like to get rid of the Transformed subtrees as I go.

My current design "hands off" a node from one Transform to the next and
currently each of the nodes are children of the same document. Once I
complete
a transformation, its "source Node" will no longer be needed as I go down a
chain of Transforms. I know you can do a "removeChild" to remove a Node
from wherever it was inserted into the tree, but there still seems to be an
association to the owner document. Is there a way to "break" that
association
so that once the Node is no longer needed, all references to it can be
deleted
so that it will be garbage collected?

I want to try to avoid any XML Parser/DOM Implementation-specific calls if
at
all possible.

Jim Harmon


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