common

package
v0.0.7 Latest Latest
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 Go to latest Published: Mar 30, 2021 License: MIT Imports: 1 Imported by: 0

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Index

Constants

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Variables

This section is empty.

Functions

func GetShardIndex 

func GetShardIndex(key string, shardCount uint32) uint32

GetShardIndex by hash code of key

Types

type Group added in v0.0.7 

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

Group represents a class of work and forms a namespace in which units of work can be executed with duplicate suppression. like golang.org/x/sync/singleflight

func (*Group) Do added in v0.0.7 

func (g *Group) Do(key string, fn func() (interface{}, error)) (interface{}, error)

Do executes and returns the results of the given function, making sure that only one execution is in-flight for a given key at a time. If a duplicate comes in, the duplicate caller waits for the original to complete and receives the same results.

Source Files

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