UniqueIndexMap (Apache HBase 1.2.12 API)

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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

Methods
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)
```

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