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<div id="projectname">FairMQ
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 <span id="projectnumber">1.4.33</span>
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<div id="projectbrief">C++ Message Queuing Library and Framework</div>
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<div class="title">StateMachine.h</div> </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/********************************************************************************</span></div>
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<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * Copyright (C) 2014 GSI Helmholtzzentrum fuer Schwerionenforschung GmbH *</span></div>
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<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * *</span></div>
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<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * This software is distributed under the terms of the *</span></div>
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<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> * GNU Lesser General Public Licence (LGPL) version 3, *</span></div>
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<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * copied verbatim in the file "LICENSE" *</span></div>
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<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> ********************************************************************************/</span></div>
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</span>  </div>
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<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="preprocessor">#ifndef FAIRMQSTATEMACHINE_H_</span></div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor">#define FAIRMQSTATEMACHINE_H_</span></div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span>  </div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#include <fairmq/States.h></span></div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>  </div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#include <string></span></div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#include <memory></span></div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#include <functional></span></div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#include <stdexcept></span></div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>  </div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="keyword">namespace </span><a class="code" href="namespacefair_1_1mq.html">fair::mq</a></div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> {</div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>  </div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="keyword">class </span>StateMachine</div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> {</div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  StateMachine();</div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  <span class="keyword">virtual</span> ~StateMachine();</div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  </div>
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<div class="line"><a name="l00028"></a><span class="lineno"><a class="line" href="classfair_1_1mq_1_1StateMachine.html"> 28</a></span>  <span class="keywordtype">bool</span> ChangeState(<span class="keyword">const</span> Transition transition);</div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  <span class="keywordtype">bool</span> ChangeState(<span class="keyword">const</span> std::string& transition) { <span class="keywordflow">return</span> ChangeState(GetTransition(transition)); }</div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  </div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  <span class="keywordtype">void</span> SubscribeToStateChange(<span class="keyword">const</span> std::string& key, std::function<<span class="keywordtype">void</span>(<span class="keyword">const</span> State)> callback);</div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  <span class="keywordtype">void</span> UnsubscribeFromStateChange(<span class="keyword">const</span> std::string& key);</div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  </div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  <span class="keywordtype">void</span> HandleStates(std::function<<span class="keywordtype">void</span>(<span class="keyword">const</span> State)> callback);</div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <span class="keywordtype">void</span> StopHandlingStates();</div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  </div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <span class="keywordtype">void</span> SubscribeToNewTransition(<span class="keyword">const</span> std::string& key, std::function<<span class="keywordtype">void</span>(<span class="keyword">const</span> Transition)> callback);</div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <span class="keywordtype">void</span> UnsubscribeFromNewTransition(<span class="keyword">const</span> std::string& key);</div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  </div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <span class="keywordtype">bool</span> NewStatePending() <span class="keyword">const</span>;</div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="keywordtype">void</span> WaitForPendingState() <span class="keyword">const</span>;</div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <span class="keywordtype">bool</span> WaitForPendingStateFor(<span class="keyword">const</span> <span class="keywordtype">int</span> durationInMs) <span class="keyword">const</span>;</div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  </div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  State GetCurrentState() <span class="keyword">const</span>;</div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  std::string GetCurrentStateName() <span class="keyword">const</span>;</div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  </div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="keywordtype">void</span> Start();</div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  </div>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="keywordtype">void</span> ProcessWork();</div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  </div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keyword">struct </span>ErrorStateException : std::runtime_error { <span class="keyword">using</span> std::runtime_error::runtime_error; };</div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  </div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="keyword">private</span>:</div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  std::shared_ptr<void> fFsm;</div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> };</div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  </div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> } <span class="comment">// namespace fair::mq</span></div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  </div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="preprocessor">#endif </span><span class="comment">/* FAIRMQSTATEMACHINE_H_ */</span><span class="preprocessor"></span></div>
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</div><!-- fragment --></div><!-- contents -->
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<div class="ttc" id="anamespacefair_1_1mq_html"><div class="ttname"><a href="namespacefair_1_1mq.html">fair::mq</a></div><div class="ttdoc">Tools for interfacing containers to the transport via polymorphic allocators.</div><div class="ttdef"><b>Definition:</b> DeviceRunner.h:23</div></div>
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