You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 

87 lines
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package topic
import "sync"
type LocalTopic struct {
Topic
Partitions []*LocalPartition
}
func NewLocalTopic(topic Topic) *LocalTopic {
return &LocalTopic{
Topic: topic,
Partitions: make([]*LocalPartition, 0),
}
}
func (localTopic *LocalTopic) findPartition(partition Partition) *LocalPartition {
for _, localPartition := range localTopic.Partitions {
if localPartition.Partition.Equals(partition) {
return localPartition
}
}
return nil
}
func (localTopic *LocalTopic) removePartition(partition Partition) bool {
foundPartitionIndex := -1
for i, localPartition := range localTopic.Partitions {
if localPartition.Partition.Equals(partition) {
foundPartitionIndex = i
break
}
}
if foundPartitionIndex == -1 {
return false
}
localTopic.Partitions = append(localTopic.Partitions[:foundPartitionIndex], localTopic.Partitions[foundPartitionIndex+1:]...)
return true
}
func (localTopic *LocalTopic) closePartitionPublishers(unixTsNs int64) bool {
var wg sync.WaitGroup
for _, localPartition := range localTopic.Partitions {
if localPartition.UnixTimeNs != unixTsNs {
continue
}
wg.Add(1)
go func(localPartition *LocalPartition) {
defer wg.Done()
localPartition.closePublishers()
}(localPartition)
}
wg.Wait()
return true
}
func (localTopic *LocalTopic) closePartitionSubscribers(unixTsNs int64) bool {
var wg sync.WaitGroup
for _, localPartition := range localTopic.Partitions {
if localPartition.UnixTimeNs != unixTsNs {
continue
}
wg.Add(1)
go func(localPartition *LocalPartition) {
defer wg.Done()
localPartition.closeSubscribers()
}(localPartition)
}
wg.Wait()
return true
}
func (localTopic *LocalTopic) WaitUntilNoPublishers() {
for {
var wg sync.WaitGroup
for _, localPartition := range localTopic.Partitions {
wg.Add(1)
go func(localPartition *LocalPartition) {
defer wg.Done()
localPartition.WaitUntilNoPublishers()
}(localPartition)
}
wg.Wait()
if len(localTopic.Partitions) == 0 {
return
}
}
}