org.apache.hadoop.hive.serde2.objectinspector
Interface ConstantObjectInspector

All Superinterfaces:
Cloneable, ObjectInspector
All Known Implementing Classes:
StandardConstantListObjectInspector, StandardConstantMapObjectInspector, WritableConstantBinaryObjectInspector, WritableConstantBooleanObjectInspector, WritableConstantByteObjectInspector, WritableConstantDoubleObjectInspector, WritableConstantFloatObjectInspector, WritableConstantIntObjectInspector, WritableConstantLongObjectInspector, WritableConstantShortObjectInspector, WritableConstantStringObjectInspector, WritableConstantTimestampObjectInspector, WritableVoidObjectInspector

public interface ConstantObjectInspector
extends ObjectInspector

ConstantObjectInspector. This interface should be implemented by ObjectInspectors which represent constant values and can return them without an evaluation.


Nested Class Summary
 
Nested classes/interfaces inherited from interface org.apache.hadoop.hive.serde2.objectinspector.ObjectInspector
ObjectInspector.Category
 
Method Summary
 Object getWritableConstantValue()
           
 
Methods inherited from interface org.apache.hadoop.hive.serde2.objectinspector.ObjectInspector
getCategory, getTypeName
 

Method Detail

getWritableConstantValue

Object getWritableConstantValue()


Copyright © 2011 The Apache Software Foundation