public abstract static class NodeTraversal.AbstractNodeTypePruningCallback extends Object implements NodeTraversal.Callback
Constructor and Description |
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AbstractNodeTypePruningCallback(Set<Integer> nodeTypes)
Creates an abstract pruned callback.
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AbstractNodeTypePruningCallback(Set<Integer> nodeTypes,
boolean include)
Creates an abstract pruned callback.
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Modifier and Type | Method and Description |
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boolean |
shouldTraverse(NodeTraversal nodeTraversal,
Node n,
Node parent)
Visits a node in pre order (before visiting its children) and decides
whether this node's children should be traversed.
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
visit
public AbstractNodeTypePruningCallback(Set<Integer> nodeTypes)
nodeTypes
- the nodes to include in the traversalpublic boolean shouldTraverse(NodeTraversal nodeTraversal, Node n, Node parent)
NodeTraversal.Callback
Visits a node in pre order (before visiting its children) and decides
whether this node's children should be traversed. If children are
traversed, they will be visited by
NodeTraversal.Callback.visit(NodeTraversal, Node, Node)
in postorder.
Implementations can have side effects (e.g. modifying the parse tree).
shouldTraverse
in interface NodeTraversal.Callback
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