SimpleCompressedDocumentCollection.FrequencyCodec (MG4J (big) 5.4.4)

java.lang.Object
- it.unimi.di.big.mg4j.document.SimpleCompressedDocumentCollection.FrequencyCodec

Enclosing class:

SimpleCompressedDocumentCollection
```
protected static class SimpleCompressedDocumentCollection.FrequencyCodec
extends Object
```
A simple codec for integers that remaps frequent numbers to smaller numbers.

Constructor Summary

Constructors
Constructor Description

FrequencyCodec()

Method Summary

Modifier and Type	Method	Description
`int`	`decode(int symbol)`	Decodes a symbol, returning the original symbol.
`int`	`encode(int symbol)`	Encodes a symbol, returning a (hopefully smaller) symbol.
`void`	`reset()`	Empties the queue and the symbol-to-position map.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - FrequencyCodec
```
public FrequencyCodec()
```
- Method Detail
  - reset
```
public void reset()
```
    Empties the queue and the symbol-to-position map.
  - encode
```
public int encode(int symbol)
```
    Encodes a symbol, returning a (hopefully smaller) symbol.
    
    Parameters:
    
    symbol - the input symbol.
    
    Returns:
    
    the output symbol.
  - decode
```
public int decode(int symbol)
```
    Decodes a symbol, returning the original symbol.
    
    Parameters:
    
    symbol - a symbol an encoded file.
    
    Returns:
    
    the corresponding original input symbol.