com.sun.mdm.index.idgen.impl
Class SampleChecksumCalculator

java.lang.Object
  com.sun.mdm.index.idgen.impl.SampleChecksumCalculator

All Implemented Interfaces:

ChecksumCalculator

public class SampleChecksumCalculator

extends java.lang.Object

implements ChecksumCalculator

Default checksum calculator

Constructor Summary

SampleChecksumCalculator()
Default constructor for DefaultChecksumCalculator

Method Summary

java.lang.String	calcChecksum(java.lang.String baseData) Calculate the checksum for the supplied data.
void	setParameter(java.lang.String parameterName, java.lang.Object value) Parameters of the checksum calculator

Methods inherited from class java.lang.Object

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

Constructor Detail

SampleChecksumCalculator

public SampleChecksumCalculator()
                         throws SEQException

Default constructor for DefaultChecksumCalculator

Throws:

SEQException - An exception occurred

Method Detail

calcChecksum

public java.lang.String calcChecksum(java.lang.String baseData)
                              throws SEQException

Calculate the checksum for the supplied data. This calculator uses a variation of the ISBN-10 checksum calculation. As it uses modulo 11, if the checkdigit is ten it will return null, effectively asking for a new base number to be passed to it.

Specified by:

calcChecksum in interface ChecksumCalculator

Parameters:

baseData - data for which the checksum is to be calculated

Returns:

calculated checksum or null if no checksum can be calculated.

Throws:

SEQException - An error occurred

setParameter

public void setParameter(java.lang.String parameterName,
                         java.lang.Object value)
                  throws SEQException

Parameters of the checksum calculator

Specified by:

setParameter in interface ChecksumCalculator

Parameters:

parameterName - parameter

value - parameter value

Throws:

SEQException - An error occurred