Package com.coyotegulch.jisp

Class HuffmanFilter

java.lang.Object

com.coyotegulch.jisp.HuffmanFilter

All Implemented Interfaces:

RecordFilter

public class HuffmanFilter
extends java.lang.Object
implements RecordFilter

A filter to automatically compress and decompress database records using the Huffman algorithm.

See Also:

Huffman, RecordFilter

Constructor Summary

Constructors

Constructor	Description
HuffmanFilter()

Method Summary

Modifier and Type	Method	Description
java.lang.Object	filterDecode(java.lang.Object target)	Decompresses the target object using the Huffman algorithm.
java.lang.Object	filterEncode(java.lang.Object target)	Compresses the target object using the Huffman algorithm.

Methods inherited from class java.lang.Object

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

Constructor Detail

HuffmanFilter

public HuffmanFilter()

Method Detail

filterEncode

public java.lang.Object filterEncode(java.lang.Object target)

Compresses the target object using the Huffman algorithm.

Specified by:

filterEncode in interface RecordFilter

Parameters:

target - object to be compressed

Returns:

compressed form of target

filterDecode

public java.lang.Object filterDecode(java.lang.Object target)

Decompresses the target object using the Huffman algorithm.

Specified by:

filterDecode in interface RecordFilter

Parameters:

target - object to be decompressed

Returns:

decompressed form of target