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java.lang.Objectorg.apache.hadoop.hive.ql.exec.Operator<forwardDesc>
org.apache.hadoop.hive.ql.exec.ForwardOperator
public class ForwardOperator
Forward Operator Just forwards. Doesn't do anything itself.
Nested Class Summary |
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Nested classes/interfaces inherited from class org.apache.hadoop.hive.ql.exec.Operator |
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Operator.OperatorFunc, Operator.ProgressCounter, Operator.State |
Field Summary |
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Fields inherited from class org.apache.hadoop.hive.ql.exec.Operator |
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alias, beginTime, childOperators, childOperatorsArray, childOperatorsTag, colExprMap, conf, counterNames, counterNameToEnum, counters, done, fatalErrorCntr, id, inputObjInspectors, inputRows, LOG, numInputRowsCntr, numOutputRowsCntr, operatorId, out, outputObjInspector, outputRows, parentOperators, reporter, state, statsMap, timeTakenCntr, totalTime |
Constructor Summary | |
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ForwardOperator()
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Method Summary | |
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int |
getType()
Should be overridden to return the type of the specific operator among the types in OperatorType |
void |
processOp(Object row,
int tag)
Process the row. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public ForwardOperator()
Method Detail |
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public void processOp(Object row, int tag) throws HiveException
Operator
processOp
in class Operator<forwardDesc>
row
- The object representing the row.tag
- The tag of the row usually means which parent this row comes from.
Rows with the same tag should have exactly the same rowInspector all the time.
HiveException
public int getType()
Operator
getType
in class Operator<forwardDesc>
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