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-module(mongoose_component_cets). |
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-behaviour(mongoose_component_backend). |
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-export([init/1, |
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node_cleanup/1, |
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register_components/1, |
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unregister_components/1, |
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lookup_component/1, |
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lookup_component/2, |
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get_all_components/1]). |
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-include("external_component.hrl"). |
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-define(TABLE, cets_external_component). |
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init(_) -> |
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cets:start(?TABLE, #{type => bag, keypos => 2}), |
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cets_discovery:add_table(mongoose_cets_discovery, ?TABLE). |
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node_cleanup(Node) -> |
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:-( |
Components = ets:match_object(?TABLE, #external_component{node = Node, _ = '_'}), |
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:-( |
unregister_components(Components). |
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register_components(Components) -> |
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cets:insert_many(?TABLE, Components), |
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ok. |
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unregister_components(Components) -> |
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cets:delete_objects(?TABLE, Components), |
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ok. |
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lookup_component(Domain) -> |
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ets:lookup(?TABLE, Domain). |
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lookup_component(Domain, Node) -> |
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ets:match_object(?TABLE, #external_component{domain = Domain, node = Node, _ = '_'}). |
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get_all_components(all) -> |
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MatchAll = {#external_component{ domain = '$1', _ = '_' }, [], ['$1']}, |
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ets:select(?TABLE, [MatchAll]); |
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get_all_components(only_public) -> |
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MatchNonHidden = {#external_component{ domain = '$1', is_hidden = false, _ = '_' }, [], ['$1']}, |
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ets:select(?TABLE, [MatchNonHidden]). |