org.apache.hadoop.hive.ql.parse
Class TezWalker
java.lang.Object
org.apache.hadoop.hive.ql.lib.DefaultGraphWalker
org.apache.hadoop.hive.ql.parse.TezWalker
- All Implemented Interfaces:
- GraphWalker
public class TezWalker
- extends DefaultGraphWalker
Walks the operator tree in DFS fashion.
Constructor Summary |
TezWalker(Dispatcher disp)
constructor of the walker - the dispatcher is passed. |
Method Summary |
void |
walk(Node nd)
Walk the given operator. |
TezWalker
public TezWalker(Dispatcher disp)
- constructor of the walker - the dispatcher is passed.
- Parameters:
disp
- the dispatcher to be called for each node visited
walk
public void walk(Node nd)
throws SemanticException
- Walk the given operator.
- Overrides:
walk
in class DefaultGraphWalker
- Parameters:
nd
- operator being walked
- Throws:
SemanticException
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