idgenerator

package module
v1.0.0 Latest Latest
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Published: Jan 18, 2021 License: Apache-2.0 Imports: 2 Imported by: 18

Documentation

Overview

idgenerator is used for generating ID from minValue to maxValue. It will allocate IDs in range [minValue, maxValue] It is thread-safe when allocating IDs

Index

Constants

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Variables

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Functions

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Types

type IDGenerator

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

func NewGenerator

func NewGenerator(minValue int64, maxValue int64) (idGenerator *IDGenerator)

Initialize an IDGenerator with minValue and maxValue.

func (*IDGenerator) Allocate

func (idGenerator *IDGenerator) Allocate() (id int64, err error)

Allocate and return an id in range [minValue, maxValue]

func (*IDGenerator) FreeID

func (idGenerator *IDGenerator) FreeID(id int64)

param:

  • id: id to free

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