org.apache.tajo.plan.expr

Class CaseWhenEval.IfThenEval

java.lang.Object

org.apache.tajo.plan.expr.EvalNode

org.apache.tajo.plan.expr.CaseWhenEval.IfThenEval

All Implemented Interfaces:

Cloneable, ProtoObject<PlanProto.EvalNodeTree>, GsonObject

Enclosing class:

CaseWhenEval

public static class CaseWhenEval.IfThenEval
extends EvalNode
implements GsonObject

Field Summary

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

type

Constructor Summary

Constructors

Constructor and Description
CaseWhenEval.IfThenEval(EvalNode condition, EvalNode result)

Method Summary

Methods

Modifier and Type	Method and Description
boolean	checkIfCondition(Schema schema, Tuple tuple)
int	childNum()
Object	clone()
boolean	equals(Object object)
Datum	eval(Schema schema, Tuple tuple)
EvalNode	getChild(int idx)
EvalNode	getCondition()
String	getName()
EvalNode	getResult()
TajoDataTypes.DataType	getValueType()
void	postOrder(EvalNodeVisitor visitor)
void	preOrder(EvalNodeVisitor visitor)
void	setCondition(EvalNode condition)
void	setResult(EvalNode result)
String	toJson()
String	toString()

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

getProto, getType

Methods inherited from class java.lang.Object

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

Constructor Detail

CaseWhenEval.IfThenEval

public CaseWhenEval.IfThenEval(EvalNode condition,
                       EvalNode result)

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

checkIfCondition

public boolean checkIfCondition(Schema schema,
                       Tuple tuple)

eval

public Datum eval(Schema schema,
         Tuple tuple)

Specified by:

eval in class EvalNode

setCondition

public void setCondition(EvalNode condition)

getCondition

public EvalNode getCondition()

setResult

public void setResult(EvalNode result)

getResult

public EvalNode getResult()

equals

public boolean equals(Object object)

Overrides:

equals in class Object

toString

public String toString()

Overrides:

toString in class Object

toJson

public String toJson()

Specified by:

toJson in interface GsonObject

Overrides:

toJson in class EvalNode

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