com.xxdb.compression

Class DeltaOfDeltaEncoder

java.lang.Object

com.xxdb.compression.DeltaOfDeltaEncoder

All Implemented Interfaces:

Encoder

public class DeltaOfDeltaEncoder
extends Object
implements Encoder

input: datainputstream, output: long[]

Constructor Summary

Constructors

Constructor and Description
DeltaOfDeltaEncoder()

Method Summary

Modifier and Type	Method and Description
ByteBuffer	compress(AbstractVector in, int elementCount, int unitLength, int maxCompressedLength, ByteBuffer out)
ByteBuffer	compress(ByteBuffer in, int elementCount, int unitLength, int maxCompressedLength)

Methods inherited from class java.lang.Object

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

Constructor Detail

DeltaOfDeltaEncoder

public DeltaOfDeltaEncoder()

Method Detail

compress

public ByteBuffer compress(AbstractVector in,
                           int elementCount,
                           int unitLength,
                           int maxCompressedLength,
                           ByteBuffer out)
                    throws IOException

Specified by:

compress in interface Encoder

Throws:

IOException

compress

public ByteBuffer compress(ByteBuffer in,
                           int elementCount,
                           int unitLength,
                           int maxCompressedLength)
                    throws IOException

Throws:

IOException