consistenthash

Documentation

Overview

hash 环的一个实现

Index

• type Hash
• type Map
  • func New(replicas int, fn Hash) *Map
  • func (m *Map) Add(keys ...string)
  • func (m *Map) Get(key string) string
  • func (m *Map) IsEmpty() bool

Types

type Hash

type Hash func(data []byte) uint32

type Map

type Map struct {
	// contains filtered or unexported fields
}

func New

func New(replicas int, fn Hash) *Map

根据副本的数量和哈希函数初始化map实例

func (*Map) Add

func (m *Map) Add(keys ...string)

Add adds some keys to the hash.

func (*Map) Get

func (m *Map) Get(key string) string

Get gets the closest item in the hash to the provided key.

func (*Map) IsEmpty

func (m *Map) IsEmpty() bool

IsEmpty returns true if there are no items available.