org.apache.tajo.plan.expr

Class BinaryEval

java.lang.Object

org.apache.tajo.plan.expr.EvalNode

org.apache.tajo.plan.expr.BinaryEval

All Implemented Interfaces:

Cloneable, ProtoObject<PlanProto.EvalNodeTree>, GsonObject

Direct Known Subclasses:

InEval, PartialBinaryExpr, PatternMatchPredicateEval

public class BinaryEval
extends EvalNode
implements Cloneable

Field Summary

Fields

Modifier and Type	Field and Description
protected EvalNode	leftExpr
protected TajoDataTypes.DataType	returnType
protected EvalNode	rightExpr

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

type

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	BinaryEval(EvalType type)
	BinaryEval(EvalType type, EvalNode left, EvalNode right)
	BinaryEval(PartialBinaryExpr expr)

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 id)
<T extends EvalNode> T	getLeftExpr()
String	getName()
<T extends EvalNode> T	getRightExpr()
TajoDataTypes.DataType	getValueType()
int	hashCode()
void	postOrder(EvalNodeVisitor visitor) Deprecated.
void	preOrder(EvalNodeVisitor visitor) Deprecated.
void	setChild(int id, EvalNode child)
void	setLeftExpr(EvalNode expr)
void	setRightExpr(EvalNode expr)
String	toString()

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

getProto, getType, toJson

Methods inherited from class java.lang.Object

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

Field Detail

leftExpr

protected EvalNode leftExpr

rightExpr

protected EvalNode rightExpr

returnType

protected TajoDataTypes.DataType returnType

Constructor Detail

BinaryEval

protected BinaryEval(EvalType type)

BinaryEval

public BinaryEval(EvalType type,
          EvalNode left,
          EvalNode right)

BinaryEval

public BinaryEval(PartialBinaryExpr expr)

Method Detail

setLeftExpr

public void setLeftExpr(EvalNode expr)

getLeftExpr

public <T extends EvalNode> T getLeftExpr()

setRightExpr

public void setRightExpr(EvalNode expr)

getRightExpr

public <T extends EvalNode> T getRightExpr()

childNum

public int childNum()

Specified by:

childNum in class EvalNode

getChild

public EvalNode getChild(int id)

Specified by:

getChild in class EvalNode

setChild

public void setChild(int id,
            EvalNode child)

eval

public Datum eval(Schema schema,
         Tuple tuple)

Specified by:

eval in class EvalNode

getName

public String getName()

Specified by:

getName in class EvalNode

getValueType

public TajoDataTypes.DataType getValueType()

Specified by:

getValueType in class EvalNode

preOrder

@Deprecated
public void preOrder(EvalNodeVisitor visitor)

Deprecated.

Specified by:

preOrder in class EvalNode

postOrder

@Deprecated
public void postOrder(EvalNodeVisitor visitor)

Deprecated.

Specified by:

postOrder in class EvalNode

toString

public String toString()

Overrides:

toString in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

clone

public Object clone()
             throws CloneNotSupportedException

Overrides:

clone in class EvalNode

Throws:

CloneNotSupportedException