2022-05-14 13:45:51 +08:00
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// Package util...
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//
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// Description : util...
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//
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// Author : go_developer@163.com<白茶清欢>
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//
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// Date : 2021-02-24 11:04 下午
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package util
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import (
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"fmt"
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"github.com/spaolacci/murmur3"
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)
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2022-05-14 14:45:14 +08:00
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// hash ...
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//
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// Author : go_developer@163.com<白茶清欢>
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//
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// Date : 14:41 2022/5/14
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type hash struct {
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}
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2022-05-14 13:45:51 +08:00
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// GetHashID ...
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//
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// Author : go_developer@163.com<白茶清欢>
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//
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// Date : 11:04 下午 2021/2/24
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2022-05-14 14:45:14 +08:00
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func (h *hash) GetHashID(key interface{}) uint64 {
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2022-05-14 13:45:51 +08:00
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return murmur3.Sum64([]byte(fmt.Sprintf("%v", key)))
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}
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// GetHashIDMod 获取hashID并取模
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//
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// Author : go_developer@163.com<白茶清欢>
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//
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// Date : 11:07 下午 2021/2/24
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2022-05-14 14:45:14 +08:00
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func (h *hash) GetHashIDMod(key interface{}, shard int) int {
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return int(h.GetHashID(key) % uint64(shard))
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2022-05-14 13:45:51 +08:00
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}
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