chanmap

Documentation

Index

• type Store
  • func New() *Store
  • func (s *Store) Add(parent, child string, ch chan struct{}) error
  • func (s *Store) DeleteAndCloseChild(child string) error
  • func (s *Store) DeleteAndCloseParent(parent string) error
  • func (s *Store) DeleteChild(child string) error
  • func (s *Store) DeleteParent(parent string) error

Types

type Store

type Store struct {
	*sync.Mutex

	// ChildrenByParent holds a map of child channels
	ChildrenByParent map[string]map[string]chan struct{}
	// ParentByChild helps us delete efficiently, by telling us which parent map the child is in
	ParentByChild map[string]string
}

Store maps parents and children channels e.g. for associating with bookingIDs

func New

func New() *Store

New returns a store with initialised maps

func (*Store) Add

func (s *Store) Add(parent, child string, ch chan struct{}) error

Add a parent-child relationship. A parent is typically a bookingID, child for clientname

func (*Store) DeleteAndCloseChild

func (s *Store) DeleteAndCloseChild(child string) error

DeleteAndCloseChild closes the child's channel and deletes it this approach ensures the channel cannot be closed twice

func (*Store) DeleteAndCloseParent

func (s *Store) DeleteAndCloseParent(parent string) error

DeleteAndCloseParent deletes the parent, and all its children, closing the children's channels

func (*Store) DeleteChild

func (s *Store) DeleteChild(child string) error

DeleteChild deletes the child, without closing the channel

func (*Store) DeleteParent

func (s *Store) DeleteParent(parent string) error

DeleteParent deletes the parent, and all its children, without closing the children's channels