consistenthash

package

v0.0.0-...-379d7ff Latest Latest Go to latest Published: Jan 26, 2021 License: Apache-2.0 Imports: 3 Imported by: 0

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type Hash func(data []byte) uint32

定义了函数类型 Hash，采取依赖注入的方式，允许用于替换成自定义的 Hash 函数，也方便测试时替换，

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

Map 是一致性哈希算法的主数据结构

func New(replicas int, fn Hash) *Map

New ：新建创建一个map映射实例

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

Add ：允许传入 0 或多个真实节点的名称。

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

Get ：获取哈希中最接近提供的键的项