Package com.scurrilous.circe.crc

Class ReflectedIntCrc

java.lang.Object

com.scurrilous.circe.impl.AbstractIncrementalIntHash

com.scurrilous.circe.crc.AbstractIntCrc

com.scurrilous.circe.crc.ReflectedIntCrc

All Implemented Interfaces:

Hash, IncrementalIntHash, StatelessHash, StatelessIntHash

final class ReflectedIntCrc
extends AbstractIntCrc

Implements a "reflected" LSB-first int-width CRC function using a lookup table.

Field Summary

Fields inherited from class com.scurrilous.circe.crc.AbstractIntCrc

bitWidth

Constructor Summary

Constructors

Constructor	Description
ReflectedIntCrc(String algorithm, int width, int poly, int init, int xorOut)

Method Summary

Modifier and Type	Method	Description
protected int	initial()	The initial state of the hash function, which is the same as the output value for an empty input sequence.
protected int	resumeRaw(int crc, byte[] input, int index, int length)

Methods inherited from class com.scurrilous.circe.crc.AbstractIntCrc

algorithm, length, reflect, resumeUnchecked

Methods inherited from class com.scurrilous.circe.impl.AbstractIncrementalIntHash

calculate, calculate, calculate, calculate, createStateful, resume, resume, resume, resume, supportsUnsafe

Methods inherited from class java.lang.Object

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

Constructor Details

ReflectedIntCrc

ReflectedIntCrc(String algorithm,
 int width,
 int poly,
 int init,
 int xorOut)

Method Details

initial

protected int initial()

Description copied from class: AbstractIncrementalIntHash

The initial state of the hash function, which is the same as the output value for an empty input sequence.

Overrides:

initial in class AbstractIntCrc

Returns:

the initial hash state/output

resumeRaw

protected int resumeRaw(int crc,
 byte[] input,
 int index,
 int length)

Specified by:

resumeRaw in class AbstractIntCrc