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consumer

package module

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Versions in this module

v0

v0.3.1

Feb 18, 2019

Changes in this version

type Option

+ func WithShardIteratorType(t string) Option

v0.3.0

Nov 8, 2018

Changes in this version

+ type ScanStatus struct

+ Error error

+ SkipCheckpoint bool

+ StopScan bool

v0.2.0

Jul 28, 2018

Changes in this version

type Checkpoint

+ Get func(streamName, shardID string) (string, error)

+ Set func(streamName, shardID, sequenceNumber string) error

+ type Client interface

+ GetRecords func(ctx context.Context, streamName, shardID, lastSeqNum string) (<-chan *Record, <-chan error, error)

+ GetShardIDs func(string) ([]string, error)

+ type ClientOption func(*KinesisClient)

+ func WithKinesis(svc kinesisiface.KinesisAPI) ClientOption

+ func WithStartFromLatest() ClientOption

type Consumer

+ func New(streamName string, opts ...Option) (*Consumer, error)

+ func (c *Consumer) Scan(ctx context.Context, fn func(*Record) ScanError) error

+ func (c *Consumer) ScanShard(ctx context.Context, shardID string, fn func(*Record) ScanError) (err error)

+ type Counter interface

+ Add func(string, int64)

+ type KinesisClient struct

+ func NewKinesisClient(opts ...ClientOption) (*KinesisClient, error)

+ func (c *KinesisClient) GetRecords(ctx context.Context, streamName, shardID, lastSeqNum string) (<-chan *Record, <-chan error, error)

+ func (c *KinesisClient) GetShardIDs(streamName string) ([]string, error)

+ type Logger interface

+ Log func(...interface{})

+ func NewDefaultLogger() Logger

+ type LoggerFunc func(...interface{})

+ type Option func(*Consumer) error

+ func WithCheckpoint(checkpoint Checkpoint) Option

+ func WithClient(client Client) Option

+ func WithCounter(counter Counter) Option

+ func WithLogger(logger Logger) Option

+ type Record = kinesis.Record

+ type ScanError struct

+ Error error

+ SkipCheckpoint bool

+ StopScan bool

v0.1.0

Oct 16, 2017

Changes in this version

+ type Buffer struct

+ MaxRecordCount int

+ func (b *Buffer) AddRecord(r *kinesis.Record)

+ func (b *Buffer) FirstSeq() string

+ func (b *Buffer) Flush()

+ func (b *Buffer) GetRecords() []*kinesis.Record

+ func (b *Buffer) LastSeq() string

+ func (b *Buffer) RecordCount() int

+ func (b *Buffer) ShardID() string

+ func (b *Buffer) ShouldFlush() bool

+ type Checkpoint interface

+ CheckpointExists func(shardID string) bool

+ SequenceNumber func() string

+ SetCheckpoint func(shardID string, sequenceNumber string)

+ type Config struct

+ AppName string

+ BufferSize int

+ Checkpoint Checkpoint

+ FlushInterval time.Duration

+ Logger log.Interface

+ StreamName string

+ type Consumer struct

+ func NewConsumer(config Config) *Consumer

+ func (c *Consumer) Start(handler Handler)

+ type Handler interface

+ HandleRecords func(b Buffer)

+ type HandlerFunc func(b Buffer)

+ func (h HandlerFunc) HandleRecords(b Buffer)

+ type RedisCheckpoint struct

+ AppName string

+ StreamName string

+ func (c *RedisCheckpoint) CheckpointExists(shardID string) bool

+ func (c *RedisCheckpoint) SequenceNumber() string

+ func (c *RedisCheckpoint) SetCheckpoint(shardID string, sequenceNumber string)