cloudcounter

package module

v0.0.2 Latest Latest Go to latest Published: Oct 15, 2019 License: Apache-2.0 Imports: 5 Imported by: 1

Details

serverless counter implementation.

# test with mem docstore
go test

# test with dynamodb-local
go test -tags dynamodb

Apache 2

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

func NewCounter(collection *docstore.Collection, opt ...Option) *Counter

func (c *Counter) Decrement(ctx context.Context, key CounterKey) error

func (c *Counter) Get(ctx context.Context, key CounterKey) (int, error)

func (c *Counter) Increment(ctx context.Context, key CounterKey) (int, error)

func (c *Counter) Register(ctx context.Context, key CounterKey) error

type CounterEntity struct {
	ID    string `docstore:"id"`
	Count int    `docstore:"count"`
}

type CounterKey string

type Option struct {
	Concurrency int
	Prefix      string
}