Package org.greenrobot.essentials.hash

Class PrimitiveDataChecksum

java.lang.Object

org.greenrobot.essentials.hash.PrimitiveDataChecksum

All Implemented Interfaces:

java.util.zip.Checksum

public class PrimitiveDataChecksum
extends java.lang.Object
implements java.util.zip.Checksum

Wrapper for Checksum that accepts all kind of primitive data to update the hash.

Field Summary

Fields

Modifier and Type	Field	Description
private java.util.zip.Checksum	checksum

Constructor Summary

Constructors

Constructor	Description
PrimitiveDataChecksum(java.util.zip.Checksum checksum)

Method Summary

Modifier and Type	Method	Description
long	getValue()
void	reset()
void	update(byte[] numbers)	Note: leaves the checksum untouched if given value is null (provide a special value for stronger hashing).
void	update(byte[] b, int off, int len)
void	update(double[] numbers)	Note: leaves the checksum untouched if given value is null (provide a special value for stronger hashing).
void	update(float[] numbers)	Note: leaves the checksum untouched if given value is null (provide a special value for stronger hashing).
void	update(int b)
void	update(int[] numbers)	Note: leaves the checksum untouched if given value is null (provide a special value for stronger hashing).
void	update(long[] numbers)	Note: leaves the checksum untouched if given value is null (provide a special value for stronger hashing).
void	update(short[] numbers)	Note: leaves the checksum untouched if given value is null (provide a special value for stronger hashing).
void	updateBoolean(boolean value)	updates a byte with 0 for false and 1 for true
void	updateDouble(double number)
void	updateFloat(float number)
void	updateInt(int number)
void	updateLong(long number)
void	updateShort(short number)
void	updateUtf8(java.lang.String string)	Note: leaves the checksum untouched if given value is null (provide a special value for stronger hashing).
void	updateUtf8(java.lang.String[] strings)	Note: leaves the checksum untouched if given value is null (provide a special value for stronger hashing).

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.zip.Checksum

update

Field Detail

checksum

private final java.util.zip.Checksum checksum

Constructor Detail

PrimitiveDataChecksum

public PrimitiveDataChecksum(java.util.zip.Checksum checksum)

Method Detail

update

public void update(int b)

Specified by:

update in interface java.util.zip.Checksum

update

public void update(byte[] b,
                   int off,
                   int len)

Specified by:

update in interface java.util.zip.Checksum

getValue

public long getValue()

Specified by:

getValue in interface java.util.zip.Checksum

reset

public void reset()

Specified by:

reset in interface java.util.zip.Checksum

updateUtf8

public void updateUtf8(java.lang.String string)

Note: leaves the checksum untouched if given value is null (provide a special value for stronger hashing).

updateUtf8

public void updateUtf8(java.lang.String[] strings)

Note: leaves the checksum untouched if given value is null (provide a special value for stronger hashing).

updateBoolean

public void updateBoolean(boolean value)

updates a byte with 0 for false and 1 for true

updateShort

public void updateShort(short number)

updateInt

public void updateInt(int number)

updateLong

public void updateLong(long number)

updateFloat

public void updateFloat(float number)

updateDouble

public void updateDouble(double number)

update

public void update(byte[] numbers)

Note: leaves the checksum untouched if given value is null (provide a special value for stronger hashing).

Specified by:

update in interface java.util.zip.Checksum

update

public void update(short[] numbers)

Note: leaves the checksum untouched if given value is null (provide a special value for stronger hashing).

update

public void update(int[] numbers)

Note: leaves the checksum untouched if given value is null (provide a special value for stronger hashing).

update

public void update(long[] numbers)

Note: leaves the checksum untouched if given value is null (provide a special value for stronger hashing).

update

public void update(float[] numbers)

Note: leaves the checksum untouched if given value is null (provide a special value for stronger hashing).

update

public void update(double[] numbers)

Note: leaves the checksum untouched if given value is null (provide a special value for stronger hashing).