View Source TimeZoneInfo.DataPersistence behaviour (TimeZoneInfo v0.7.2)

A behaviour to persist the data.

Summary

Callbacks

checksum()

Returns the checksum for the persisted data.

fetch()

Returns the persisted data.

fetch_last_update()

Returns the timestamp of the last update in seconds since epoch.

info()

Returns infos about the persisted data.

put(data)

Persists the given data.

put_last_update(time)

Sets time as last update time stamp. time is given in seconds since epoch.

Callbacks

checksum()

@callback checksum() :: {:ok, binary()} | {:error, :no_data} | {:error, term()}

Returns the checksum for the persisted data.

fetch()

@callback fetch() :: {:ok, TimeZoneInfo.data()} | {:error, term()}

Returns the persisted data.

fetch_last_update()

@callback fetch_last_update() :: {:ok, non_neg_integer()} | {:error, term()}

Returns the timestamp of the last update in seconds since epoch.

info()

(optional)

@callback info() :: term()

Returns infos about the persisted data.

put(data)

@callback put(TimeZoneInfo.data()) :: :ok | {:error, term()}

Persists the given data.

put_last_update(time)

@callback put_last_update(time :: non_neg_integer()) :: :ok | {:error, term()}

Sets time as last update time stamp. time is given in seconds since epoch.