org.apache.tajo.plan.logical

Class ShuffleFileWriteNode

java.lang.Object

org.apache.tajo.plan.logical.LogicalNode

org.apache.tajo.plan.logical.UnaryNode

org.apache.tajo.plan.logical.PersistentStoreNode

org.apache.tajo.plan.logical.ShuffleFileWriteNode

All Implemented Interfaces:

Cloneable, GsonObject

public class ShuffleFileWriteNode
extends PersistentStoreNode
implements Cloneable

ShuffeFileWriteNode is an expression for an intermediate data materialization step.

Field Summary

Fields inherited from class org.apache.tajo.plan.logical.PersistentStoreNode

options, storageType

Constructor Summary

Constructors

Constructor and Description
ShuffleFileWriteNode(int pid)

Method Summary

Methods

Modifier and Type	Method and Description
Object	clone()
boolean	equals(Object obj)
int	getNumOutputs()
Column[]	getShuffleKeys()
PlanProto.ShuffleType	getShuffleType()
boolean	hasShuffleKeys()
void	setShuffle(PlanProto.ShuffleType type, Column[] keys, int numPartitions)
String	toString()

Methods inherited from class org.apache.tajo.plan.logical.PersistentStoreNode

getOptions, getPlanString, getStorageType, hasOptions, setOptions, setStorageType

Methods inherited from class org.apache.tajo.plan.logical.UnaryNode

childNum, deepEquals, getChild, getChild, postOrder, preOrder, setChild

Methods inherited from class org.apache.tajo.plan.logical.LogicalNode

getCost, getInSchema, getOutSchema, getPID, getType, setCost, setInSchema, setOutSchema, setPID, setType, toJson

Methods inherited from class java.lang.Object

finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

ShuffleFileWriteNode

public ShuffleFileWriteNode(int pid)

Method Detail

getNumOutputs

public final int getNumOutputs()

hasShuffleKeys

public final boolean hasShuffleKeys()

getShuffleKeys

public final Column[] getShuffleKeys()

setShuffle

public final void setShuffle(PlanProto.ShuffleType type,
              Column[] keys,
              int numPartitions)

getShuffleType

public PlanProto.ShuffleType getShuffleType()

equals

public boolean equals(Object obj)

Overrides:

equals in class PersistentStoreNode

clone

public Object clone()
             throws CloneNotSupportedException

Overrides:

clone in class PersistentStoreNode

Throws:

CloneNotSupportedException

toString

public String toString()

Overrides:

toString in class LogicalNode