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erlkaf

2.1.2
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erlkaf - Erlang Kafka library based on librdkafka

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erlkaf src erlkaf_cache_client.erl
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src/erlkaf_cache_client.erl 

-module(erlkaf_cache_client).



-export([

    create/0,

    set/3,

    get/1,

    take/1,

    to_list/0

]).



-define(ETS_TOPIC_CACHE, erlkaf_client_cache_tab).

-define(GET_KEY(ClientId, TopicName), {ClientId, TopicName}).



create() ->

    ?ETS_TOPIC_CACHE = ets:new(?ETS_TOPIC_CACHE, [set, named_table, public, {read_concurrency, true}]),

    ok.



set(ClientId, ClientRef, ClientPid) ->

    true = ets:insert(?ETS_TOPIC_CACHE, {ClientId, {ClientRef, ClientPid}}),

    ok.



get(ClientId) ->

    case ets:lookup(?ETS_TOPIC_CACHE, ClientId) of

        [{ClientId, {ClientRef, ClientPid}}] ->

            {ok, ClientRef, ClientPid};

        [] ->

            undefined

    end.



take(ClientId) ->

    ets:take(?ETS_TOPIC_CACHE, ClientId).



to_list() ->

    ets:tab2list(?ETS_TOPIC_CACHE).