org.apache.hadoop.hive.ql.optimizer
Class GenMRProcContext.GenMapRedCtx

java.lang.Object
  org.apache.hadoop.hive.ql.optimizer.GenMRProcContext.GenMapRedCtx

Enclosing class:

GenMRProcContext

public static class GenMRProcContext.GenMapRedCtx
extends Object

GenMapRedCtx is used to keep track of the current state.

Constructor Summary

GenMRProcContext.GenMapRedCtx()

GenMRProcContext.GenMapRedCtx(Task<? extends Serializable> currTask, Operator<? extends OperatorDesc> currTopOp, String currAliasId)

Method Summary

String	getCurrAliasId()
Task<? extends Serializable>	getCurrTask()
Operator<? extends OperatorDesc>	getCurrTopOp()

Methods inherited from class java.lang.Object

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

Constructor Detail

GenMRProcContext.GenMapRedCtx

public GenMRProcContext.GenMapRedCtx()

GenMRProcContext.GenMapRedCtx

public GenMRProcContext.GenMapRedCtx(Task<? extends Serializable> currTask,
                                     Operator<? extends OperatorDesc> currTopOp,
                                     String currAliasId)

Parameters:

currTask - the current task

currTopOp - the current top operator being traversed

currAliasId - the current alias for the to operator

Method Detail

getCurrTask

public Task<? extends Serializable> getCurrTask()

Returns:

current task

getCurrTopOp

public Operator<? extends OperatorDesc> getCurrTopOp()

Returns:

current top operator

getCurrAliasId

public String getCurrAliasId()

Returns:

current alias