org.apache.hadoop.hive.serde2.objectinspector
Class StructObjectInspector

java.lang.Object
  extended by org.apache.hadoop.hive.serde2.objectinspector.StructObjectInspector
All Implemented Interfaces:
ObjectInspector
Direct Known Subclasses:
LazySimpleStructObjectInspector, ReflectionStructObjectInspector, StandardStructObjectInspector, UnionStructObjectInspector

public abstract class StructObjectInspector
extends Object
implements ObjectInspector


Nested Class Summary
 
Nested classes/interfaces inherited from interface org.apache.hadoop.hive.serde2.objectinspector.ObjectInspector
ObjectInspector.Category
 
Constructor Summary
StructObjectInspector()
           
 
Method Summary
abstract  List<? extends StructField> getAllStructFieldRefs()
          Returns all the fields.
abstract  Object getStructFieldData(Object data, StructField fieldRef)
          returns null for data = null.
abstract  StructField getStructFieldRef(String fieldName)
          Look up a field.
abstract  List<Object> getStructFieldsDataAsList(Object data)
          returns null for data = null.
 String toString()
           
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 
Methods inherited from interface org.apache.hadoop.hive.serde2.objectinspector.ObjectInspector
getCategory, getTypeName
 

Constructor Detail

StructObjectInspector

public StructObjectInspector()
Method Detail

getAllStructFieldRefs

public abstract List<? extends StructField> getAllStructFieldRefs()
Returns all the fields.


getStructFieldRef

public abstract StructField getStructFieldRef(String fieldName)
Look up a field.


getStructFieldData

public abstract Object getStructFieldData(Object data,
                                          StructField fieldRef)
returns null for data = null.


getStructFieldsDataAsList

public abstract List<Object> getStructFieldsDataAsList(Object data)
returns null for data = null.


toString

public String toString()
Overrides:
toString in class Object


Copyright © 2009 The Apache Software Foundation