org.apache.hadoop.hive.ql.exec

Class MuxOperator.Handler

java.lang.Object

org.apache.hadoop.hive.ql.exec.MuxOperator.Handler

Enclosing class:

MuxOperator

protected static class MuxOperator.Handler
extends Object

Handler is used to construct the key-value structure. This structure is needed by child JoinOperators and GroupByOperators of a MuxOperator to function correctly.

Constructor Summary

Constructors

Constructor and Description
MuxOperator.Handler(ObjectInspector inputObjInspector, List<ExprNodeDesc> keyCols, List<ExprNodeDesc> valueCols, List<String> outputKeyColumnNames, List<String> outputValueColumnNames, Integer tag)

Method Summary

Methods

Modifier and Type	Method and Description
ObjectInspector	getOutputObjInspector()
int	getTag()
Object	process(Object row)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

MuxOperator.Handler

public MuxOperator.Handler(ObjectInspector inputObjInspector,
                   List<ExprNodeDesc> keyCols,
                   List<ExprNodeDesc> valueCols,
                   List<String> outputKeyColumnNames,
                   List<String> outputValueColumnNames,
                   Integer tag)
                    throws HiveException

Throws:

HiveException

Method Detail

getOutputObjInspector

public ObjectInspector getOutputObjInspector()

getTag

public int getTag()

process

public Object process(Object row)
               throws HiveException

Throws:

HiveException