amnesia v0.2.8 Amnesia.Event

This module implements helpers to handle mnesia events.

Link to this section Summary

Types

system()

table()

Functions

observe(categories, fun)

Observe the given events with the given function.

Report an event, see mnesia:report_event.

subscribe(category)

Subscribe to events of a given category, see mnesia:subscribe.

unsubscribe(category)

Unsubscribe from events of a given category, see mnesia:unsubscribe.

Link to this section Types

activity()

activity() :: {:complete, Amnesia.Access.id()}

category()

category() :: system() | activity() | table()

system()

system() ::
  {:mnesia_up, node()}
  | {:mnesia_down, node()}
  | {:mnesia_checkpoint_activated, any()}
  | {:mnesia_overload, any()}
  | {:inconsistent_database, any()}
  | {:mnesia_fatal, charlist(), [any()], binary()}
  | {:mnesia_info, charlist(), [any()]}
  | {:mnesia_user, any()}

table()

table() ::
  {:write, tuple(), Amnesia.Access.id()}
  | {:delete_object, tuple(), Amnesia.Access.id()}
  | {:delete, {atom(), any()}, Amnesia.Access.id()}
  | {:write, atom(), tuple(), [tuple()], Amnesia.Access.id()}
  | {:delete, atom(), any(), [tuple()], Amnesia.Access.id()}

Link to this section Functions

observe(categories, fun)

observe(category() | [category()], (any() -> none())) :: pid()

Observe the given events with the given function.

report(event)

report(any()) :: :ok

Report an event, see mnesia:report_event.

unsubscribe(category)

unsubscribe(category()) :: none()

Unsubscribe from events of a given category, see mnesia:unsubscribe.