Methods inherited from class java.lang.
Object clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
public boolean check(
check if the transform should be done. If this is being called then
the pattern matches, but there may be other criteria that must be met
check Transformer Parameters:
matched - the sub-set of the plan that matches the pattern. This
subset has the same graph as the pattern, but the operators
point to the same objects as the plan to be matched.
Returns: true if the transform should be done.
Report what parts of the tree were transformed. This is so that
listeners can know which part of the tree to visit and modify
schemas, annotations, etc. So any nodes that were removed need
will not be in this plan, only nodes that were added or moved.
reportChanges Transformer Returns: OperatorPlan that describes just the changed nodes.
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