Ejemplos de ConsumerConfig.OffsetValue en Golang

Ejemplo n.º 1

Archivo: partition_consumer.go Proyecto: rsrsps/sarama-1

// NewPartitionConsumer creates a new partition consumer instance
func NewPartitionConsumer(group *ConsumerGroup, partition int32) (*PartitionConsumer, error) {
	config := sarama.ConsumerConfig{
		DefaultFetchSize: group.config.DefaultFetchSize,
		EventBufferSize:  group.config.EventBufferSize,
		MaxMessageSize:   group.config.MaxMessageSize,
		MaxWaitTime:      group.config.MaxWaitTime,
		MinFetchSize:     group.config.MinFetchSize,
		OffsetMethod:     sarama.OffsetMethodOldest,
	}

	offset, err := group.Offset(partition)
	if err != nil {
		return nil, err
	} else if offset > 0 {
		config.OffsetMethod = sarama.OffsetMethodManual
		config.OffsetValue = offset
	}

	stream, err := sarama.NewConsumer(group.client, group.topic, partition, group.name, &config)
	if err != nil {
		return nil, err
	}

	return &PartitionConsumer{
		stream:    stream,
		topic:     group.topic,
		partition: partition,
	}, nil
}