org.apache.hadoop.hive.ql.plan

Class ExprNodeConstantDesc

java.lang.Object

org.apache.hadoop.hive.ql.plan.ExprNodeDesc

org.apache.hadoop.hive.ql.plan.ExprNodeConstantDesc

All Implemented Interfaces:

java.io.Serializable, Node

public class ExprNodeConstantDesc
extends ExprNodeDesc
implements java.io.Serializable

A constant expression.

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.hadoop.hive.ql.plan.ExprNodeDesc

ExprNodeDesc.ExprNodeDescEqualityWrapper

Constructor Summary

Constructors

Constructor and Description
ExprNodeConstantDesc()
ExprNodeConstantDesc(java.lang.Object value)
ExprNodeConstantDesc(TypeInfo typeInfo, java.lang.Object value)

Method Summary

Modifier and Type	Method and Description
ExprNodeDesc	clone()
java.lang.String	getExprString()
java.lang.Object	getValue()
ConstantObjectInspector	getWritableObjectInspector()
int	hashCode()
boolean	isSame(java.lang.Object o)
void	setValue(java.lang.Object value)
java.lang.String	toString()

Methods inherited from class org.apache.hadoop.hive.ql.plan.ExprNodeDesc

getChildren, getCols, getName, getTypeInfo, getTypeString, setTypeInfo

Methods inherited from class java.lang.Object

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

Constructor Detail

ExprNodeConstantDesc

public ExprNodeConstantDesc()

ExprNodeConstantDesc

public ExprNodeConstantDesc(TypeInfo typeInfo,
                            java.lang.Object value)

ExprNodeConstantDesc

public ExprNodeConstantDesc(java.lang.Object value)

Method Detail

setValue

public void setValue(java.lang.Object value)

getValue

public java.lang.Object getValue()

getWritableObjectInspector

public ConstantObjectInspector getWritableObjectInspector()

Overrides:

getWritableObjectInspector in class ExprNodeDesc

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

getExprString

public java.lang.String getExprString()

Overrides:

getExprString in class ExprNodeDesc

clone

public ExprNodeDesc clone()

Specified by:

clone in class ExprNodeDesc

isSame

public boolean isSame(java.lang.Object o)

Specified by:

isSame in class ExprNodeDesc

hashCode

public int hashCode()

Overrides:

hashCode in class ExprNodeDesc