Class HashUtilities

java.lang.Object

com.strobel.core.HashUtilities

public final class HashUtilities
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
private static final int	CombinedHashOffset
private static final int	HashPrime
private static final int	MaxPrimeArrayLength
static final int	NullHashCode
private static final int[]	Primes

Constructor Summary

Constructors

Modifier	Constructor	Description
private	HashUtilities()

Method Summary

Modifier and Type	Method	Description
static int	combineHashCodes(int... hashes)
static int	combineHashCodes(int hash1, int hash2)
static int	combineHashCodes(int hash1, int hash2, int hash3)
static int	combineHashCodes(int hash1, int hash2, int hash3, int hash4)
static int	combineHashCodes(int hash1, int hash2, int hash3, int hash4, int hash5)
static int	combineHashCodes(int hash1, int hash2, int hash3, int hash4, int hash5, int hash6)
static int	combineHashCodes(int hash1, int hash2, int hash3, int hash4, int hash5, int hash6, int hash7)
static int	combineHashCodes(int hash1, int hash2, int hash3, int hash4, int hash5, int hash6, int hash7, int hash8)
static int	combineHashCodes(Object... objects)
static int	combineHashCodes(Object o1, Object o2)
static int	combineHashCodes(Object o1, Object o2, Object o3)
static int	combineHashCodes(Object o1, Object o2, Object o3, Object o4)
static int	combineHashCodes(Object o1, Object o2, Object o3, Object o4, Object o5)
static int	combineHashCodes(Object o1, Object o2, Object o3, Object o4, Object o5, Object o6)
static int	combineHashCodes(Object o1, Object o2, Object o3, Object o4, Object o5, Object o6, Object o7)
static int	combineHashCodes(Object o1, Object o2, Object o3, Object o4, Object o5, Object o6, Object o7, Object o8)
static int	expandPrime(int oldSize)
static int	getMinPrime()
static int	getPrime(int min)
static int	hashCode(Object o)
static int	hashItems(Iterable<?> items)
static boolean	isPrime(int candidate)

Methods inherited from class Object

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

Field Details

NullHashCode

public static final int NullHashCode

See Also:

• Constant Field Values

HashPrime

private static final int HashPrime

See Also:

• Constant Field Values

CombinedHashOffset

private static final int CombinedHashOffset

See Also:

• Constant Field Values

MaxPrimeArrayLength

private static final int MaxPrimeArrayLength

See Also:

• Constant Field Values

Primes

private static final int[] Primes

Constructor Details

HashUtilities

private HashUtilities()

Method Details

hashCode

public static int hashCode(Object o)

hashItems

public static int hashItems(Iterable<?> items)

combineHashCodes

public static int combineHashCodes(int... hashes)

combineHashCodes

public static int combineHashCodes(Object... objects)

combineHashCodes

public static int combineHashCodes(int hash1,
 int hash2)

combineHashCodes

public static int combineHashCodes(int hash1,
 int hash2,
 int hash3)

combineHashCodes

public static int combineHashCodes(int hash1,
 int hash2,
 int hash3,
 int hash4)

combineHashCodes

public static int combineHashCodes(int hash1,
 int hash2,
 int hash3,
 int hash4,
 int hash5)

combineHashCodes

public static int combineHashCodes(int hash1,
 int hash2,
 int hash3,
 int hash4,
 int hash5,
 int hash6)

combineHashCodes

public static int combineHashCodes(int hash1,
 int hash2,
 int hash3,
 int hash4,
 int hash5,
 int hash6,
 int hash7)

combineHashCodes

public static int combineHashCodes(int hash1,
 int hash2,
 int hash3,
 int hash4,
 int hash5,
 int hash6,
 int hash7,
 int hash8)

combineHashCodes

public static int combineHashCodes(Object o1,
 Object o2)

combineHashCodes

public static int combineHashCodes(Object o1,
 Object o2,
 Object o3)

combineHashCodes

public static int combineHashCodes(Object o1,
 Object o2,
 Object o3,
 Object o4)

combineHashCodes

public static int combineHashCodes(Object o1,
 Object o2,
 Object o3,
 Object o4,
 Object o5)

combineHashCodes

public static int combineHashCodes(Object o1,
 Object o2,
 Object o3,
 Object o4,
 Object o5,
 Object o6)

combineHashCodes

public static int combineHashCodes(Object o1,
 Object o2,
 Object o3,
 Object o4,
 Object o5,
 Object o6,
 Object o7)

combineHashCodes

public static int combineHashCodes(Object o1,
 Object o2,
 Object o3,
 Object o4,
 Object o5,
 Object o6,
 Object o7,
 Object o8)

isPrime

public static boolean isPrime(int candidate)

getPrime

public static int getPrime(int min)

getMinPrime

public static int getMinPrime()

expandPrime

public static int expandPrime(int oldSize)