seaweedfs/weed/mq/sub_coordinator/consumer_group.go
2023-12-22 11:33:50 -08:00

43 lines
1.3 KiB
Go

package sub_coordinator
import (
cmap "github.com/orcaman/concurrent-map/v2"
"github.com/seaweedfs/seaweedfs/weed/mq/pub_balancer"
"github.com/seaweedfs/seaweedfs/weed/mq/topic"
"github.com/seaweedfs/seaweedfs/weed/pb/mq_pb"
)
type ConsumerGroupInstance struct {
InstanceId string
// the consumer group instance may not have an active partition
Partitions []*topic.Partition
ResponseChan chan *mq_pb.SubscriberToSubCoordinatorResponse
}
type ConsumerGroup struct {
// map a consumer group instance id to a consumer group instance
ConsumerGroupInstances cmap.ConcurrentMap[string, *ConsumerGroupInstance]
mapping *PartitionConsumerMapping
}
func NewConsumerGroup() *ConsumerGroup {
return &ConsumerGroup{
ConsumerGroupInstances: cmap.New[*ConsumerGroupInstance](),
mapping: NewPartitionConsumerMapping(pub_balancer.MaxPartitionCount),
}
}
func NewConsumerGroupInstance(instanceId string) *ConsumerGroupInstance {
return &ConsumerGroupInstance{
InstanceId: instanceId,
ResponseChan: make(chan *mq_pb.SubscriberToSubCoordinatorResponse, 1),
}
}
func (cg *ConsumerGroup) OnAddConsumerGroupInstance(consumerGroupInstance string, topic *mq_pb.Topic) {
}
func (cg *ConsumerGroup) OnRemoveConsumerGroupInstance(consumerGroupInstance string, topic *mq_pb.Topic) {
}
func (cg *ConsumerGroup) OnPartitionListChange() {
}