package topic import "sync" type LocalPartitionPublishers struct { publishers map[string]*LocalPublisher publishersLock sync.RWMutex } type LocalPublisher struct { } func NewLocalPublisher() *LocalPublisher { return &LocalPublisher{} } func (p *LocalPublisher) SignalShutdown() { } func NewLocalPartitionPublishers() *LocalPartitionPublishers { return &LocalPartitionPublishers{ publishers: make(map[string]*LocalPublisher), } } func (p *LocalPartitionPublishers) AddPublisher(clientName string, publisher *LocalPublisher) { p.publishersLock.Lock() defer p.publishersLock.Unlock() p.publishers[clientName] = publisher } func (p *LocalPartitionPublishers) RemovePublisher(clientName string) { p.publishersLock.Lock() defer p.publishersLock.Unlock() delete(p.publishers, clientName) } func (p *LocalPartitionPublishers) SignalShutdown() { p.publishersLock.RLock() defer p.publishersLock.RUnlock() for _, publisher := range p.publishers { publisher.SignalShutdown() } } func (p *LocalPartitionPublishers) Size() int { p.publishersLock.RLock() defer p.publishersLock.RUnlock() return len(p.publishers) }