org.apache.tajo.plan.expr

Class RowConstantEval

java.lang.Object

org.apache.tajo.plan.expr.EvalNode

org.apache.tajo.plan.expr.RowConstantEval

All Implemented Interfaces:

Cloneable, ProtoObject<PlanProto.EvalNodeTree>, GsonObject

public class RowConstantEval
extends EvalNode

Field Summary

Fields inherited from class org.apache.tajo.plan.expr.EvalNode

type

Constructor Summary

Constructors

Constructor and Description
RowConstantEval(Datum[] values)

Method Summary

Methods

Modifier and Type	Method and Description
int	childNum()
Object	clone()
boolean	equals(Object obj)
Datum	eval(Schema schema, Tuple tuple)
EvalNode	getChild(int idx)
String	getName()
Datum[]	getValues()
TajoDataTypes.DataType	getValueType()
void	postOrder(EvalNodeVisitor visitor)
void	preOrder(EvalNodeVisitor visitor)
String	toString()

Methods inherited from class org.apache.tajo.plan.expr.EvalNode

getProto, getType, toJson

Methods inherited from class java.lang.Object

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

Constructor Detail

RowConstantEval

public RowConstantEval(Datum[] values)

Method Detail

getValueType

public TajoDataTypes.DataType getValueType()

Specified by:

getValueType in class EvalNode

childNum

public int childNum()

Specified by:

childNum in class EvalNode

getChild

public EvalNode getChild(int idx)

Specified by:

getChild in class EvalNode

getName

public String getName()

Specified by:

getName in class EvalNode

eval

public Datum eval(Schema schema,
         Tuple tuple)

Specified by:

eval in class EvalNode

getValues

public Datum[] getValues()

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

toString

public String toString()

Overrides:

toString in class Object

preOrder

public void preOrder(EvalNodeVisitor visitor)

Specified by:

preOrder in class EvalNode

postOrder

public void postOrder(EvalNodeVisitor visitor)

Specified by:

postOrder in class EvalNode

clone

public Object clone()
             throws CloneNotSupportedException

Overrides:

clone in class EvalNode

Throws:

CloneNotSupportedException