org.apache.hadoop.hive.serde2.lazy

Class LazyUnion

java.lang.Object

org.apache.hadoop.hive.serde2.lazy.LazyObjectBase

org.apache.hadoop.hive.serde2.lazy.LazyObject<OI>

org.apache.hadoop.hive.serde2.lazy.LazyNonPrimitive<LazyUnionObjectInspector>

org.apache.hadoop.hive.serde2.lazy.LazyUnion

public class LazyUnion
extends LazyNonPrimitive<LazyUnionObjectInspector>

LazyObject for storing a union. The field of a union can be primitive or non-primitive.

Field Summary

Fields inherited from class org.apache.hadoop.hive.serde2.lazy.LazyNonPrimitive

bytes, length, start

Fields inherited from class org.apache.hadoop.hive.serde2.lazy.LazyObject

oi

Constructor Summary

Constructors

Constructor and Description
LazyUnion(LazyUnionObjectInspector oi) Construct a LazyUnion object with the ObjectInspector.

Method Summary

Modifier and Type	Method and Description
java.lang.Object	getField() Get the field out of the union.
byte	getTag() Get the tag of the union
void	init(ByteArrayRef bytes, int start, int length) Set the row data for this LazyUnion.

Methods inherited from class org.apache.hadoop.hive.serde2.lazy.LazyNonPrimitive

getObject, hashCode

Methods inherited from class org.apache.hadoop.hive.serde2.lazy.LazyObject

getInspector, setInspector

Methods inherited from class java.lang.Object

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

Constructor Detail

LazyUnion

public LazyUnion(LazyUnionObjectInspector oi)

Construct a LazyUnion object with the ObjectInspector.

Method Detail

init

public void init(ByteArrayRef bytes,
                 int start,
                 int length)

Set the row data for this LazyUnion.

Overrides:

init in class LazyNonPrimitive<LazyUnionObjectInspector>

Parameters:

bytes - The wrapper of the byte[].

start - The start position inside the bytes.

length - The length of the data, starting from "start"

See Also:

LazyObjectBase.init(ByteArrayRef, int, int)

getField

public java.lang.Object getField()

Get the field out of the union.

Returns:

The field as a LazyObject

getTag

public byte getTag()

Get the tag of the union

Returns:

The tag byte