Module ecron_event

• Description
• Function Index
• Function Details

Event Handler.

Behaviours: gen_event.

Authors: Francesca Gangemi (francesca.gangemi@erlang-solutions.com).

Function Index

code_change/3	Convert process state when code is changed.
handle_call/2	Whenever an event manager receives a request sent using gen_event:call/3,4, this function is called for the specified event handler to handle the request.
handle_event/2
handle_info/2	This function is called for each installed event handler when an event manager receives any other message than an event or a synchronous request (or a system message).
init/1
terminate/2	Whenever an event handler is deleted from an event manager, this function is called.

Function Details

code_change/3

code_change(OldVsn, State, Extra) -> {ok, NewState}

Convert process state when code is changed

handle_call/2

handle_call(Request, State) -> {ok, Reply, State} | {swap_handler, Reply, Args1, State1, Mod2, Args2} | {remove_handler, Reply}

Whenever an event manager receives a request sent using gen_event:call/3,4, this function is called for the specified event handler to handle the request.

handle_event/2

handle_event(Event, State) -> any()

handle_info/2

handle_info(Info, State) -> {ok, State} | {swap_handler, Args1, State1, Mod2, Args2} | remove_handler

This function is called for each installed event handler when an event manager receives any other message than an event or a synchronous request (or a system message).

init/1

init(Args) -> any()

terminate/2

terminate(Reason, State) -> void()

Whenever an event handler is deleted from an event manager, this function is called. It should be the opposite of Module:init/1 and do any necessary cleaning up.