org.apache.hadoop.hive.serde2
Class NullStructSerDe.NullStructSerDeObjectInspector

java.lang.Object
  org.apache.hadoop.hive.serde2.objectinspector.StructObjectInspector
      org.apache.hadoop.hive.serde2.NullStructSerDe.NullStructSerDeObjectInspector

All Implemented Interfaces:

Cloneable, ObjectInspector

Enclosing class:

NullStructSerDe

public static class NullStructSerDe.NullStructSerDeObjectInspector
extends StructObjectInspector

A object inspector for null struct serde.

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.hadoop.hive.serde2.objectinspector.ObjectInspector

ObjectInspector.Category

Constructor Summary

NullStructSerDe.NullStructSerDeObjectInspector()

Method Summary

List<org.apache.hadoop.hive.serde2.NullStructSerDe.NullStructField>	getAllStructFieldRefs() Returns all the fields.
ObjectInspector.Category	getCategory() An ObjectInspector must inherit from one of the following interfaces if getCategory() returns: PRIMITIVE: PrimitiveObjectInspector LIST: ListObjectInspector MAP: MapObjectInspector STRUCT: StructObjectInspector.
Object	getStructFieldData(Object data, StructField fieldRef) returns null for data = null.
StructField	getStructFieldRef(String fieldName) Look up a field.
List<Object>	getStructFieldsDataAsList(Object data) returns null for data = null.
String	getTypeName() Returns the name of the data type that is inspected by this ObjectInspector.

Methods inherited from class org.apache.hadoop.hive.serde2.objectinspector.StructObjectInspector

isSettable, toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

NullStructSerDe.NullStructSerDeObjectInspector

public NullStructSerDe.NullStructSerDeObjectInspector()

Method Detail

getTypeName

public String getTypeName()

Description copied from interface: ObjectInspector

Returns the name of the data type that is inspected by this ObjectInspector. This is used to display the type information to the user. For primitive types, the type name is standardized. For other types, the type name can be something like "list", "map", java class names, or user-defined type names similar to typedef.

getCategory

public ObjectInspector.Category getCategory()

Description copied from interface: ObjectInspector

An ObjectInspector must inherit from one of the following interfaces if getCategory() returns: PRIMITIVE: PrimitiveObjectInspector LIST: ListObjectInspector MAP: MapObjectInspector STRUCT: StructObjectInspector.

getStructFieldRef

public StructField getStructFieldRef(String fieldName)

Description copied from class: StructObjectInspector

Look up a field.

Specified by:

getStructFieldRef in class StructObjectInspector

getAllStructFieldRefs

public List<org.apache.hadoop.hive.serde2.NullStructSerDe.NullStructField> getAllStructFieldRefs()

Description copied from class: StructObjectInspector

Returns all the fields.

Specified by:

getAllStructFieldRefs in class StructObjectInspector

getStructFieldData

public Object getStructFieldData(Object data,
                                 StructField fieldRef)

Description copied from class: StructObjectInspector

returns null for data = null.

Specified by:

getStructFieldData in class StructObjectInspector

getStructFieldsDataAsList

public List<Object> getStructFieldsDataAsList(Object data)

Description copied from class: StructObjectInspector

returns null for data = null.

Specified by:

getStructFieldsDataAsList in class StructObjectInspector