Why Go
- Case Studies
  
  Common problems companies solve with Go
- Use Cases
  
  Stories about how and why companies use Go
- Security Policy
  
  How Go can help keep you secure by default
Learn
Docs
- Effective Go
  
  Tips for writing clear, performant, and idiomatic Go code
- Go User Manual
  
  A complete introduction to building software with Go
- Standard library
  
  Reference documentation for Go's standard library
- Release Notes
  
  Learn what's new in each Go release
Packages
Community
- Recorded Talks
  
  Videos from prior events
- Meetups
  
  Meet other local Go developers
- Conferences
  
  Learn and network with Go developers from around the world
- Go blog
  
  The Go project's official blog.
- Go project
  
  Get help and stay informed from Go
- Get connected

checkpoint

package

Go to main page

Versions in this module

v1

v1.5.1

Mar 28, 2023

v1.5.0

Oct 22, 2021

v1.4.0

Oct 15, 2021

v1.3.0

Jun 1, 2021

Changes in this version

+ const ClaimRequestKey

+ const ErrShardClaimed

+ var ErrShardNotAssigned = errors.New("AssignedToNotFoundForShard")

type Checkpointer

+ ClaimShard func(*par.ShardStatus, string) error

+ ListActiveWorkers func(map[string]*par.ShardStatus) (map[string][]*par.ShardStatus, error)

type DynamoCheckpoint

+ func (checkpointer *DynamoCheckpoint) ClaimShard(shard *par.ShardStatus, claimID string) error

+ func (checkpointer *DynamoCheckpoint) ListActiveWorkers(shardStatus map[string]*par.ShardStatus) (map[string][]*par.ShardStatus, error)

v1.2.0

Apr 29, 2021

v1.1.0

Jan 26, 2021

Changes in this version

+ const LeaseKeyKey

+ const LeaseOwnerKey

+ const LeaseTimeoutKey

+ const ParentShardIdKey

+ const SequenceNumberKey

+ const ShardEnd

+ type ErrLeaseNotAcquired struct

+ func (e ErrLeaseNotAcquired) Error() string

v1.0.0

Nov 15, 2019

Changes in this version

+ const CHECKPOINT_SEQUENCE_NUMBER_KEY

+ const ErrInvalidDynamoDBSchema

+ const ErrLeaseNotAquired

+ const LEASE_KEY_KEY

+ const LEASE_OWNER_KEY

+ const LEASE_TIMEOUT_KEY

+ const NumMaxRetries

+ const PARENT_SHARD_ID_KEY

+ const SHARD_END

+ var ErrSequenceIDNotFound = errors.New("SequenceIDNotFoundForShard")

+ type Checkpointer interface

+ CheckpointSequence func(*par.ShardStatus) error

+ FetchCheckpoint func(*par.ShardStatus) error

+ GetLease func(*par.ShardStatus, string) error

+ Init func() error

+ RemoveLeaseInfo func(string) error

+ RemoveLeaseOwner func(string) error

+ type DynamoCheckpoint struct

+ LeaseDuration int

+ Retries int

+ TableName string

+ func NewDynamoCheckpoint(kclConfig *config.KinesisClientLibConfiguration) *DynamoCheckpoint

+ func (checkpointer *DynamoCheckpoint) CheckpointSequence(shard *par.ShardStatus) error

+ func (checkpointer *DynamoCheckpoint) FetchCheckpoint(shard *par.ShardStatus) error

+ func (checkpointer *DynamoCheckpoint) GetLease(shard *par.ShardStatus, newAssignTo string) error

+ func (checkpointer *DynamoCheckpoint) Init() error

+ func (checkpointer *DynamoCheckpoint) RemoveLeaseInfo(shardID string) error

+ func (checkpointer *DynamoCheckpoint) RemoveLeaseOwner(shardID string) error

+ func (checkpointer *DynamoCheckpoint) WithDynamoDB(svc dynamodbiface.DynamoDBAPI) *DynamoCheckpoint