org.apache.hadoop.hive.serde2.typeinfo

Class UnionTypeInfo

java.lang.Object

org.apache.hadoop.hive.serde2.typeinfo.TypeInfo

org.apache.hadoop.hive.serde2.typeinfo.UnionTypeInfo

All Implemented Interfaces:

Serializable

@InterfaceAudience.Public
 @InterfaceStability.Stable
public class UnionTypeInfo
extends TypeInfo
implements Serializable

UnionTypeInfo represents the TypeInfo of an union. A union holds only one field of the specified fields at any point of time. The fields, a Union can hold, can have the same or different TypeInfo. Always use the TypeInfoFactory to create new TypeInfo objects, instead of directly creating an instance of this class.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
UnionTypeInfo() For java serialization use only.

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object other)
List<TypeInfo>	getAllUnionObjectTypeInfos()
ObjectInspector.Category	getCategory() The Category of this TypeInfo.
String	getTypeName() A String representation of the TypeInfo.
int	hashCode()
void	setAllUnionObjectTypeInfos(List<TypeInfo> allUnionObjectTypeInfos) For java serialization use only.

Methods inherited from class org.apache.hadoop.hive.serde2.typeinfo.TypeInfo

accept, getQualifiedName, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

UnionTypeInfo

public UnionTypeInfo()

For java serialization use only.

Method Detail

getTypeName

public String getTypeName()

Description copied from class: TypeInfo

A String representation of the TypeInfo.

Specified by:

getTypeName in class TypeInfo

setAllUnionObjectTypeInfos

public void setAllUnionObjectTypeInfos(List<TypeInfo> allUnionObjectTypeInfos)

For java serialization use only.

getCategory

public ObjectInspector.Category getCategory()

Description copied from class: TypeInfo

The Category of this TypeInfo. Possible values are Primitive, List, Map, Struct and Union, which corresponds to the 5 sub-classes of TypeInfo.

Specified by:

getCategory in class TypeInfo

getAllUnionObjectTypeInfos

public List<TypeInfo> getAllUnionObjectTypeInfos()

equals

public boolean equals(Object other)

Specified by:

equals in class TypeInfo

hashCode

public int hashCode()

Specified by:

hashCode in class TypeInfo