checkpoint

package

v0.0.0-...-bc6c5c1 Latest Latest Go to latest Published: Aug 31, 2018 License: Apache-2.0 Imports: 7 Imported by: 0

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func CreateTable(api *dynamodb.DynamoDB, env string, readCapacity, writeCapacity int64) error

CreateTable creates tables with specified capacity

func MakeCreateTableInput(env string, readCapacity, writeCapacity int64) *dynamodb.CreateTableInput

MakeCreateTableInput creates the create table description

func TableName(env string) string

TableName provides name of checkpoints table for a given environment

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

CP is a dynamodb backed implementation of publisher.Checkpointer

func New(env string, api *dynamodb.DynamoDB) *CP

New constructs a new dynamodb backed CP that implements publisher.Checkpointer

func (c *CP) Load(ctx context.Context, key string) (uint64, error)

Load the offset for the specified key from the data store

func (c *CP) Save(ctx context.Context, key string, offset uint64) error

Save the offset for the specified key to the data store