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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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<li class="navelem"><a class="el" href="dir_d6b28f7731906a8cbc4171450df4b180.html">fairmq</a></li> </ul>
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<div class="title">Properties.h</div> </div>
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<div class="contents">
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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) 2014-2018 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> <span class="preprocessor">#ifndef FAIR_MQ_PROPERTIES_H</span></div>
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<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="preprocessor">#define FAIR_MQ_PROPERTIES_H</span></div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span>  </div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#include <fairmq/EventManager.h></span></div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span>  </div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#include <boost/any.hpp></span></div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#include <boost/core/demangle.hpp></span></div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</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 <map></span></div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include <unordered_map></span></div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include <stdexcept></span></div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include <string></span></div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include <typeindex></span></div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include <typeinfo></span></div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include <utility></span> <span class="comment">// pair</span></div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  </div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</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="l00026"></a><span class="lineno"> 26</span> {</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"> 28</span> <span class="keyword">using</span> Property = boost::any;</div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="keyword">using</span> Properties = std::map<std::string, Property>;</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="keyword">struct </span>PropertyChange : Event<std::string> {};</div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="keyword">struct </span>PropertyChangeAsString : Event<std::string> {};</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="keyword">class </span>PropertyHelper</div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> {</div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00037"></a><span class="lineno"><a class="line" href="structfair_1_1mq_1_1PropertyChange.html"> 37</a></span>  <span class="keyword">template</span><<span class="keyword">typename</span> T></div>
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<div class="line"><a name="l00038"></a><span class="lineno"><a class="line" href="structfair_1_1mq_1_1PropertyChangeAsString.html"> 38</a></span>  <span class="keyword">static</span> <span class="keywordtype">void</span> AddType(std::string label = <span class="stringliteral">""</span>)</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"><a class="line" href="classfair_1_1mq_1_1PropertyHelper.html"> 40</a></span>  <span class="keywordflow">if</span> (label == <span class="stringliteral">""</span>) {</div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  label = boost::core::demangle(<span class="keyword">typeid</span>(T).name());</div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  }</div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  fTypeInfos[std::type_index(<span class="keyword">typeid</span>(T))] = [label](<span class="keyword">const</span> Property& p) {</div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  std::stringstream ss;</div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  ss << boost::any_cast<T>(p);</div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="keywordflow">return</span> std::pair<std::string, std::string>{ss.str(), label};</div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  };</div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  fEventEmitters[std::type_index(<span class="keyword">typeid</span>(T))] = [](<span class="keyword">const</span> <a class="code" href="classfair_1_1mq_1_1EventManager.html">fair::mq::EventManager</a>& em, <span class="keyword">const</span> std::string& k, <span class="keyword">const</span> Property& p) {</div>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  em.Emit<PropertyChange, T>(k, boost::any_cast<T>(p));</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>  }</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">static</span> std::string ConvertPropertyToString(<span class="keyword">const</span> Property& p)</div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  {</div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="keywordflow">return</span> fTypeInfos.at(p.type())(p).first;</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>  </div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="comment">// returns <valueAsString, typenameAsString></span></div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keyword">static</span> std::pair<std::string, std::string> GetPropertyInfo(<span class="keyword">const</span> Property& p)</div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  {</div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keywordflow">try</span> {</div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keywordflow">return</span> fTypeInfos.at(p.type())(p);</div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  } <span class="keywordflow">catch</span> (std::out_of_range& oor) {</div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keywordflow">return</span> {<span class="stringliteral">"[unidentified_type]"</span>, <span class="stringliteral">"[unidentified_type]"</span>};</div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  }</div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  }</div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  </div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keyword">static</span> std::unordered_map<std::type_index, void(*)(<span class="keyword">const</span> <a class="code" href="classfair_1_1mq_1_1EventManager.html">fair::mq::EventManager</a>&, <span class="keyword">const</span> std::string&, <span class="keyword">const</span> Property&)> fEventEmitters;</div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keyword">private</span>:</div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keyword">static</span> std::unordered_map<std::type_index, std::function<std::pair<std::string, std::string>(<span class="keyword">const</span> Property&)>> fTypeInfos;</div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> };</div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  </div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> }</div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  </div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span> <span class="preprocessor">#endif </span><span class="comment">/* FAIR_MQ_PROPERTIES_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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<div class="ttc" id="aclassfair_1_1mq_1_1EventManager_html"><div class="ttname"><a href="classfair_1_1mq_1_1EventManager.html">fair::mq::EventManager</a></div><div class="ttdoc">Manages event callbacks from different subscribers.</div><div class="ttdef"><b>Definition:</b> EventManager.h:56</div></div>
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<p style="margin: 0 12px 10px 12px;"><a href="https://help.github.com/articles/github-privacy-statement/">privacy</a></p>
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