public class TraversalHelper extends Object implements TraversalHandler
Constructor and Description |
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TraversalHelper() |
Modifier and Type | Method and Description |
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void |
endNode(Expression node,
Expression parentNode)
Called during the traversal after an expression node children
processing is finished.
|
void |
finishedChild(Expression node,
int childIndex,
boolean hasMoreChildren)
Called during traversal after a child of expression
has been visited.
|
void |
objectNode(Object leaf,
Expression parentNode)
Called during the traversal when a leaf non-expression node
is encountered.
|
void |
startNode(Expression node,
Expression parentNode)
Called during the traversal before an expression node children
processing is started.
|
public void startNode(Expression node, Expression parentNode)
TraversalHandler
startNode
in interface TraversalHandler
public void endNode(Expression node, Expression parentNode)
TraversalHandler
endNode
in interface TraversalHandler
public void finishedChild(Expression node, int childIndex, boolean hasMoreChildren)
TraversalHandler
finishedChild
in interface TraversalHandler
public void objectNode(Object leaf, Expression parentNode)
TraversalHandler
objectNode
in interface TraversalHandler
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