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Copy pathezic_db.erl
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158 lines (115 loc) · 3.38 KB
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-module(ezic_db).
-include("include/ezic.hrl").
-include_lib("eunit/include/eunit.hrl").
-behaviour(gen_server).
-export([
zones/1
, rules/1
, flatzones/1
, flatzone/2
%, insert/2
, get_all/1
, insert_all/1
, wipe/1
, flatten/0
, get_implementation/0
]).
-export([
start_link/1
, init/1
, code_change/3
, handle_call/3
, handle_cast/2
, handle_info/2
, terminate/2
]).
-record(state, {mod}).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% PUBLIC API
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
zones(TzName) ->
gen_server:call(?MODULE, {zones, TzName}).
rules(TzName) ->
gen_server:call(?MODULE, {rules, TzName}).
flatzones(TzName) ->
gen_server:call(?MODULE, {flatzones, TzName}).
flatzone(Date, TzName) ->
gen_server:call(?MODULE, {flatzone, Date, TzName}).
get_all(Tab) ->
gen_server:call(?MODULE, {all, Tab}).
insert_all(Records) ->
gen_server:call(?MODULE, {insert_all, Records}).
%wipe() ->
% gen_server:call(?MODULE, {wipe}).
wipe(Tab) ->
gen_server:call(?MODULE, {wipe, Tab}).
flatten() ->
gen_server:call(?MODULE, {flatten}).
get_implementation() ->
gen_server:call(?MODULE, {implementation}).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% GEN_SERVER
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
start_link(StartArgs) ->
gen_server:start_link({local, ?MODULE}, ?MODULE, StartArgs, []).
%% TODO: create a db behavior
init(DbModule) when DbModule =:= ezic_db_mnesia;
DbModule=:= ezic_db_ets ->
DbModule:init(),
State = #state{mod = DbModule},
{ok, State}.
%%~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
%% DB Lookup
%%~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
handle_call({zones, Name}, _, State) ->
Mod= State#state.mod,
Matches= Mod:zones(Name),
{reply, Matches, State};
handle_call({rules, Name}, _, State) ->
Mod= State#state.mod,
Matches= Mod:rules(Name),
{reply, Matches, State};
handle_call({all, Tab}, _, State) ->
Mod= State#state.mod,
Matches= Mod:get_all(Tab),
{reply, Matches, State};
handle_call({flatzones, Name}, _, State) ->
Mod= State#state.mod,
Result= Mod:flatzones(Name),
{reply, Result, State};
handle_call({flatzone, Date, Name}, _, State) ->
Mod= State#state.mod,
Result= Mod:flatzone(Date, Name),
{reply, Result, State};
handle_call({insert_all, Records}, _, State) ->
Mod= State#state.mod,
Mod:insert_all(Records),
{noreply, State};
handle_call({wipe, Tab}, _, State) ->
Mod= State#state.mod,
Result= Mod:wipe(Tab),
{reply, Result, State};
handle_call({flatten}, _, State) ->
Mod= State#state.mod,
Zones= Mod:get_all(zone),
Rules= Mod:get_all(rule),
FlatZone= ezic_flatten:flatten(Zones, Rules),
Result= Mod:insert_all(FlatZone),
{reply, Result, State};
handle_call({implementation}, _, State) ->
Mod= State#state.mod,
Impl= Mod:implementation(),
{reply, Impl, State};
handle_call(_, _, State) ->
{noreply, State}.
%%~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
%% Other gen_server
%%~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
code_change(_, State, _) ->
{ok, State}.
handle_cast(_, State) ->
{noreply, State}.
handle_info(_, State) ->
{noreply, State}.
terminate(_, _State) ->
ok.