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author | Stavros Aronis <[email protected]> | 2010-06-18 03:44:25 +0300 |
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committer | Lukas Larsson <[email protected]> | 2011-02-18 12:03:18 +0100 |
commit | 98de31e836a04ccc8f5f9acd90b9ba0803a24ab5 (patch) | |
tree | 3f26237297b0b2d9040de1b97eeb7cd75bce2dfe /lib/dialyzer/test/small_tests_SUITE_data/src/pubsub/pubsub_api.erl | |
parent | 08cec89bb1e781157a75c13e72562258b271b469 (diff) | |
download | otp-98de31e836a04ccc8f5f9acd90b9ba0803a24ab5.tar.gz otp-98de31e836a04ccc8f5f9acd90b9ba0803a24ab5.tar.bz2 otp-98de31e836a04ccc8f5f9acd90b9ba0803a24ab5.zip |
Test suites for Dialyzer
This is a transcription of most of the cvs.srv.it.uu.se:/hipe repository
dialyzer_tests into test suites that use the test server framework.
See README for information on how to use the included scripts for
modifications and updates.
When testing Dialyzer it's important that several OTP modules
are included in the plt. The suites takes care of that too.
Diffstat (limited to 'lib/dialyzer/test/small_tests_SUITE_data/src/pubsub/pubsub_api.erl')
-rw-r--r-- | lib/dialyzer/test/small_tests_SUITE_data/src/pubsub/pubsub_api.erl | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/lib/dialyzer/test/small_tests_SUITE_data/src/pubsub/pubsub_api.erl b/lib/dialyzer/test/small_tests_SUITE_data/src/pubsub/pubsub_api.erl new file mode 100644 index 0000000000..c30233b8f5 --- /dev/null +++ b/lib/dialyzer/test/small_tests_SUITE_data/src/pubsub/pubsub_api.erl @@ -0,0 +1,99 @@ +% Copyright 2007-2008 Konrad-Zuse-Zentrum für Informationstechnik Berlin +% +% 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. +%%%------------------------------------------------------------------- +%%% File : pubsub_api.erl +%%% Author : Thorsten Schuett <[email protected]> +%%% Description : Publish API function +%%% +%%% Created : 17 Sep 2007 by Thorsten Schuett <[email protected]> +%%%------------------------------------------------------------------- +%% @author Thorsten Schuett <[email protected]> +%% @copyright 2007-2008 Konrad-Zuse-Zentrum für Informationstechnik Berlin +%% @version $Id $ +-module(pubsub_dir.pubsub_api). + +-author('[email protected]'). +-vsn('$Id: pubsub_api.erl,v 1.1 2009/11/06 12:39:55 maria Exp $ '). + +-export([publish/2, subscribe/2, unsubscribe/2, get_subscribers/1]). + +-import(transstore.transaction_api). +-import(io). +-import(lists). + +%%==================================================================== +%% public functions +%%==================================================================== + +%% @doc publishs an event under a given topic. +%% called e.g. from the java-interface +%% @spec publish(string(), string()) -> ok +publish(Topic, Content) -> + Subscribers = get_subscribers(Topic), + io:format("calling subscribers ~p~n", [Subscribers]), + lists:foreach(fun (Subscriber) -> + io:format("calling ~p~n", [Subscriber]), + pubsub_publish:publish(Subscriber, Topic, Content) + end, + Subscribers), + ok. + +%% @doc subscribes a url for a topic. +%% called e.g. from the java-interface +%% @spec subscribe(string(), string()) -> ok | {fail, term()} +subscribe(Topic, URL) -> + TFun = fun(TransLog) -> + {{Success, _ValueOrReason} = Result, TransLog1} = transaction_api:read(Topic, TransLog), + {Result2, TransLog2} = if + Success == fail -> + transaction_api:write(Topic, [URL], TransLog); %obacht: muss TransLog sein! + true -> + {value, Subscribers} = Result, + transaction_api:write(Topic, [URL | Subscribers], TransLog1) + end, + if + Result2 == ok -> + {{ok, ok}, TransLog2}; + true -> + {Result2, TransLog2} + end + end, + transaction_api:do_transaction(TFun, fun (_) -> ok end, fun (X) -> {fail, X} end). + +%% @doc unsubscribes a url for a topic. +-spec(unsubscribe/2 :: (string(), string()) -> ok | {fail, any()}). +unsubscribe(Topic, URL) -> + TFun = fun(TransLog) -> + {Subscribers, TransLog1} = transaction_api:read2(TransLog, Topic), + case lists:member(URL, Subscribers) of + true -> + NewSubscribers = lists:delete(URL, Subscribers), + TransLog2 = transaction_api:write2(TransLog1, Topic, NewSubscribers), + {{ok, ok}, TransLog2}; + false -> + {{fail, not_found}, TransLog} + end + end, + transaction_api:do_transaction(TFun, fun (_) -> ok end, fun (X) -> {fail, X} end). + +%% @doc queries the subscribers of a query +%% @spec get_subscribers(string()) -> [string()] +get_subscribers(Topic) -> + {Fl, _Value} = transaction_api:quorum_read(Topic), + if + Fl == fail -> %% Fl is either Fail or the Value/Subscribers + []; + true -> + Fl + end. |