程序包 com.alibaba.druid.util

类 FnvHash

java.lang.Object

com.alibaba.druid.util.FnvHash

public final class FnvHash
extends Object

嵌套类概要

嵌套类

修饰符和类型	类	说明
static interface	FnvHash.Constants

字段概要

字段

修饰符和类型	字段	说明
static final long	BASIC
static final long	PRIME

构造器概要

构造器

构造器	说明
FnvHash()

方法概要

修饰符和类型	方法	说明
static long	fnv_32_lower(String key)
static long	fnv1a_64(byte[] input, int offset, int end)
static long	fnv1a_64(char[] chars)
static long	fnv1a_64(String input)
static long	fnv1a_64(StringBuilder input)
static long	fnv1a_64(String input, int offset, int end)
static long	fnv1a_64_lower(long basic, StringBuilder key)
static long	fnv1a_64_lower(String key)
static long[]	fnv1a_64_lower(String[] strings, boolean sort)
static long	fnv1a_64_lower(StringBuilder key)
static long	hashCode64(long basic, String name)
static long	hashCode64(long basic, String key, int offset, int end)
static long	hashCode64(String name)	lower and normalized and fnv_1a_64
static long	hashCode64(String key, int offset, int end)
static long	hashCode64(String owner, String name)	normalized and lower and fnv1a_64_hash

从类继承的方法 java.lang.Object

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

字段详细资料

BASIC

public static final long BASIC

另请参阅:

• 常量字段值

PRIME

public static final long PRIME

另请参阅:

• 常量字段值

构造器详细资料

FnvHash

public FnvHash()

方法详细资料

fnv1a_64

public static long fnv1a_64(String input)

fnv1a_64

public static long fnv1a_64(StringBuilder input)

fnv1a_64

public static long fnv1a_64(String input,
 int offset,
 int end)

fnv1a_64

public static long fnv1a_64(byte[] input,
 int offset,
 int end)

fnv1a_64

public static long fnv1a_64(char[] chars)

hashCode64

public static long hashCode64(String name)

lower and normalized and fnv_1a_64

参数:

name - the string to calculate the hash code for

返回:

the 64-bit hash code of the string

fnv1a_64_lower

public static long fnv1a_64_lower(String key)

fnv1a_64_lower

public static long fnv1a_64_lower(StringBuilder key)

fnv1a_64_lower

public static long fnv1a_64_lower(long basic,
 StringBuilder key)

hashCode64

public static long hashCode64(String key,
 int offset,
 int end)

hashCode64

public static long hashCode64(long basic,
 String name)

hashCode64

public static long hashCode64(long basic,
 String key,
 int offset,
 int end)

fnv_32_lower

public static long fnv_32_lower(String key)

fnv1a_64_lower

public static long[] fnv1a_64_lower(String[] strings,
 boolean sort)

hashCode64

public static long hashCode64(String owner,
 String name)

normalized and lower and fnv1a_64_hash

参数:

owner - the owner string to include in the hash code calculation (can be null)

name - the name string to include in the hash code calculation (can be null)

返回:

the 64-bit hash code calculated from the owner and name strings