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% Licensed under the Apache License, Version 2.0 (the "License"); you may not
% use this file except in compliance with the License. You may obtain a copy of
% the License at
%
% http://www.apache.org/licenses/LICENSE-2.0
%
% Unless required by applicable law or agreed to in writing, software
% distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
% WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
% License for the specific language governing permissions and limitations under
% the License.
-module(couch_expiring_cache).
-export([
insert/5,
insert/6,
lookup/2,
lookup/3
]).
-include_lib("couch_expiring_cache/include/couch_expiring_cache.hrl").
-spec insert(Name :: binary(), Key :: binary(), Value :: binary(),
StaleTS :: ?TIME_UNIT(), ExpiresTS :: ?TIME_UNIT()) -> ok.
insert(Name, Key, Value, StaleTS, ExpiresTS)
when is_binary(Name), is_binary(Key), is_binary(Value),
is_integer(StaleTS), is_integer(ExpiresTS) ->
insert(undefined, Name, Key, Value, StaleTS, ExpiresTS).
-spec insert(Tx :: jtx() | undefined, Name :: binary(), Key :: binary(),
Value :: binary(), StaleTS :: ?TIME_UNIT(), ExpiresTS :: ?TIME_UNIT()) -> ok.
-dialyzer({no_return, insert/6}).
insert(Tx, Name, Key, Value, StaleTS, ExpiresTS)
when is_binary(Name), is_binary(Key), is_binary(Value),
is_integer(StaleTS), is_integer(ExpiresTS) ->
couch_jobs_fdb:tx(couch_jobs_fdb:get_jtx(Tx), fun(JTx) ->
couch_expiring_cache_fdb:insert(
JTx, Name, Key, Value, StaleTS, ExpiresTS)
end).
-spec lookup(Name :: binary(), Key :: binary()) ->
not_found | {fresh, Val :: binary()} | {stale, Val :: binary()} | expired.
lookup(Name, Key) when is_binary(Name), is_binary(Key) ->
lookup(undefined, Name, Key).
-spec lookup(Tx :: jtx(), Name :: binary(), Key :: binary()) ->
not_found | {fresh, Val :: binary()} | {stale, Val :: binary()} | expired.
lookup(Tx, Name, Key) when is_binary(Name), is_binary(Key) ->
couch_jobs_fdb:tx(couch_jobs_fdb:get_jtx(Tx), fun(JTx) ->
couch_expiring_cache_fdb:lookup(JTx, Name, Key)
end).
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