redis

package
Version: v0.3.0 Latest Latest
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Published: Nov 8, 2018 License: MIT Imports: 3 Imported by: 0

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Types

type Checkpoint

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

Checkpoint stores and retreives the last evaluated key from a DDB scan

func New

func New(appName string) (*Checkpoint, error)

New returns a checkpoint that uses Redis for underlying storage

func (*Checkpoint) Get

func (c *Checkpoint) Get(streamName, shardID string) (string, error)

Get fetches the checkpoint for a particular Shard.

func (*Checkpoint) Set

func (c *Checkpoint) Set(streamName, shardID, sequenceNumber string) error

Set stores a checkpoint for a shard (e.g. sequence number of last record processed by application). Upon failover, record processing is resumed from this point.

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