org.apache.hadoop.hive.accumulo

Class LazyAccumuloMap

java.lang.Object

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

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

org.apache.hadoop.hive.serde2.lazy.LazyMap

org.apache.hadoop.hive.accumulo.LazyAccumuloMap

All Implemented Interfaces:

LazyObjectBase

public class LazyAccumuloMap
extends LazyMap

A Hive Map created from some collection of Key-Values from one to many column families with one to many column qualifiers.

Field Summary

Fields

Modifier and Type	Field and Description
protected HiveAccumuloMapColumnMapping	columnMapping
protected AccumuloHiveRow	sourceRow

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

cachedMap, LOG

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

isNull, oi

Constructor Summary

Constructors

Constructor and Description
LazyAccumuloMap(LazyMapObjectInspector oi)

Method Summary

Methods

Modifier and Type	Method and Description
Map<Object,Object>	getMap() Return the map object representing this LazyMap.
int	getMapSize() Get the size of the map represented by this LazyMap.
Object	getMapValueElement(Object key) Get the value in the map for the given key.
void	init(AccumuloHiveRow row, HiveAccumuloMapColumnMapping columnMapping)
protected void	parse()

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

enlargeArrays, getParsed, init, setParsed

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

hashCode, isNull, isNull

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

getInspector, getObject, setInspector, setNull

Methods inherited from class java.lang.Object

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

Field Detail

sourceRow

protected AccumuloHiveRow sourceRow

columnMapping

protected HiveAccumuloMapColumnMapping columnMapping

Constructor Detail

LazyAccumuloMap

public LazyAccumuloMap(LazyMapObjectInspector oi)

Method Detail

init

public void init(AccumuloHiveRow row,
        HiveAccumuloMapColumnMapping columnMapping)

parse

protected void parse()

getMapValueElement

public Object getMapValueElement(Object key)

Get the value in the map for the given key.

Overrides:

getMapValueElement in class LazyMap

Parameters:

key - The key, a column qualifier, from the map

Returns:

The object in the map at the given key

getMap

public Map<Object,Object> getMap()

Description copied from class: LazyMap

Return the map object representing this LazyMap. Note that the keyObjects will be Writable primitive objects.

Overrides:

getMap in class LazyMap

Returns:

the map object

getMapSize

public int getMapSize()

Description copied from class: LazyMap

Get the size of the map represented by this LazyMap.

Overrides:

getMapSize in class LazyMap

Returns:

The size of the map, -1 for NULL map.