Amnesia.Event (nuamnesia v0.3.0)

This module implements helpers to handle mnesia events.

Summary

Types

activity()

category()

system()

table()

Functions

observe(categories, fun)

Observe the given events with the given function.

report(event)

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.

Types

activity()

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

category()

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

system()

@type 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()

@type 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()}

Functions

observe(categories, fun)

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

Observe the given events with the given function.

report(event)

@spec report(any()) :: :ok

Report an event, see mnesia:report_event.

unsubscribe(category)

@spec unsubscribe(category()) :: none()

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