org.apache.hadoop.hbase.io.hfile.bucket

Class UniqueIndexMap<T>

java.lang.Object

org.apache.hadoop.hbase.io.hfile.bucket.UniqueIndexMap<T>

All Implemented Interfaces:

Serializable

@InterfaceAudience.Private
public final class UniqueIndexMap<T>
extends Object
implements Serializable

Map from type T to int and vice-versa. Used for reducing bit field item counts.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
(package private) ConcurrentHashMap<T,Integer>	mForwardMap
(package private) AtomicInteger	mIndex
(package private) ConcurrentHashMap<Integer,T>	mReverseMap
private static long	serialVersionUID

Constructor Summary

Constructors

Constructor and Description
UniqueIndexMap()

Method Summary

Modifier and Type	Method and Description
(package private) int	map(T parameter)
(package private) T	unmap(int leni)

Methods inherited from class java.lang.Object

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

Field Detail

serialVersionUID

private static final long serialVersionUID

See Also:

Constant Field Values

mForwardMap

ConcurrentHashMap<T,Integer> mForwardMap

mReverseMap

ConcurrentHashMap<Integer,T> mReverseMap

mIndex

AtomicInteger mIndex

Constructor Detail

UniqueIndexMap

public UniqueIndexMap()

Method Detail

map

int map(T parameter)

unmap

T unmap(int leni)