org.apache.hadoop.hive.serde2.lazybinary.objectinspector

Class LazyBinaryMapObjectInspector

java.lang.Object

org.apache.hadoop.hive.serde2.objectinspector.StandardMapObjectInspector

org.apache.hadoop.hive.serde2.lazybinary.objectinspector.LazyBinaryMapObjectInspector

All Implemented Interfaces:

Cloneable, MapObjectInspector, ObjectInspector, SettableMapObjectInspector

public class LazyBinaryMapObjectInspector
extends StandardMapObjectInspector

ObjectInspector for LazyBinaryMap.

See Also:

LazyBinaryMap

Nested Class Summary

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

ObjectInspector.Category

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	LazyBinaryMapObjectInspector()
protected	LazyBinaryMapObjectInspector(ObjectInspector mapKeyObjectInspector, ObjectInspector mapValueObjectInspector)

Method Summary

Modifier and Type	Method and Description
Map<?,?>	getMap(Object data) returns null for data = null.
int	getMapSize(Object data) returns -1 for NULL map.
Object	getMapValueElement(Object data, Object key)

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

clear, create, getCategory, getMapKeyObjectInspector, getMapValueObjectInspector, getTypeName, put, remove

Methods inherited from class java.lang.Object

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

Constructor Detail

LazyBinaryMapObjectInspector

protected LazyBinaryMapObjectInspector()

LazyBinaryMapObjectInspector

protected LazyBinaryMapObjectInspector(ObjectInspector mapKeyObjectInspector,
                                       ObjectInspector mapValueObjectInspector)

Method Detail

getMap

public Map<?,?> getMap(Object data)

Description copied from interface: MapObjectInspector

returns null for data = null. Note: This method should not return a Map object that is reused by the same MapObjectInspector, because it's possible that the same MapObjectInspector will be used in multiple places in the code. However it's OK if the Map object is part of the Object data.

Specified by:

getMap in interface MapObjectInspector

Overrides:

getMap in class StandardMapObjectInspector

getMapSize

public int getMapSize(Object data)

Description copied from interface: MapObjectInspector

returns -1 for NULL map.

Specified by:

getMapSize in interface MapObjectInspector

Overrides:

getMapSize in class StandardMapObjectInspector

getMapValueElement

public Object getMapValueElement(Object data,
                                 Object key)

Specified by:

getMapValueElement in interface MapObjectInspector

Overrides:

getMapValueElement in class StandardMapObjectInspector