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<div class="title">comparable.h</div> </div>
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<a href="comparable_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> </div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">/***********************************************************************</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> Copyright (c) 1998 by Kevin Atkinson, (c) 1999-2001 by MySQL AB, and</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> (c) 2004-2008 by Educational Technology Resources, Inc. Others may</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> also hold copyrights on code in this file. See the CREDITS.txt file</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> in the top directory of the distribution for details.</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"></span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> This file is part of MySQL++.</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"></span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> MySQL++ is free software; you can redistribute it and/or modify it</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> under the terms of the GNU Lesser General Public License as published</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> by the Free Software Foundation; either version 2.1 of the License, or</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> (at your option) any later version.</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"></span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> MySQL++ is distributed in the hope that it will be useful, but WITHOUT</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> License for more details.</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment"></span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment"> You should have received a copy of the GNU Lesser General Public</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment"> License along with MySQL++; if not, write to the Free Software</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment"> Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment"> USA</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment">***********************************************************************/</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> </div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#if !defined(MYSQLPP_COMPARABLE_H)</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor"></span><span class="preprocessor">#define MYSQLPP_COMPARABLE_H</span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="keyword">namespace </span>mysqlpp {</div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> </div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="keyword">template</span> <<span class="keyword">class</span> T></div>
<div class="line"><a name="l00040"></a><span class="lineno"><a class="line" href="classmysqlpp_1_1Comparable.html"> 40</a></span> <span class="keyword">class </span><a class="code" href="classmysqlpp_1_1Comparable.html">Comparable</a></div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> {</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="keyword">public</span>:</div>
<div class="line"><a name="l00044"></a><span class="lineno"><a class="line" href="classmysqlpp_1_1Comparable.html#a88062e6c972104353b675e69d798ff11"> 44</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classmysqlpp_1_1Comparable.html#a88062e6c972104353b675e69d798ff11">operator ==</a>(<span class="keyword">const</span> T& other)<span class="keyword"> const</span></div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="keyword"> </span>{</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="keywordflow">return</span> !<a class="code" href="classmysqlpp_1_1Comparable.html#a189507426ed585f7da84f63dc426c651">compare</a>(other);</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  }</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> </div>
<div class="line"><a name="l00050"></a><span class="lineno"><a class="line" href="classmysqlpp_1_1Comparable.html#a6062c13d77297d6ea038afc32bd1825a"> 50</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classmysqlpp_1_1Comparable.html#a6062c13d77297d6ea038afc32bd1825a">operator !=</a>(<span class="keyword">const</span> T& other)<span class="keyword"> const</span></div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="keyword"> </span>{</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="keywordflow">return</span> <a class="code" href="classmysqlpp_1_1Comparable.html#a189507426ed585f7da84f63dc426c651">compare</a>(other);</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  }</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> </div>
<div class="line"><a name="l00056"></a><span class="lineno"><a class="line" href="classmysqlpp_1_1Comparable.html#a990a2cc29467a347406162fff86cc514"> 56</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classmysqlpp_1_1Comparable.html#a990a2cc29467a347406162fff86cc514">operator <</a>(<span class="keyword">const</span> T& other)<span class="keyword"> const</span></div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="keyword"> </span>{</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="keywordflow">return</span> <a class="code" href="classmysqlpp_1_1Comparable.html#a189507426ed585f7da84f63dc426c651">compare</a>(other) < 0;</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  }</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> </div>
<div class="line"><a name="l00062"></a><span class="lineno"><a class="line" href="classmysqlpp_1_1Comparable.html#a03cde1e3a6da4f73d918ed6e472e4fc8"> 62</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classmysqlpp_1_1Comparable.html#a03cde1e3a6da4f73d918ed6e472e4fc8">operator <=</a>(<span class="keyword">const</span> T& other)<span class="keyword"> const</span></div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="keyword"> </span>{</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keywordflow">return</span> <a class="code" href="classmysqlpp_1_1Comparable.html#a189507426ed585f7da84f63dc426c651">compare</a>(other) <= 0;</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  }</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> </div>
<div class="line"><a name="l00068"></a><span class="lineno"><a class="line" href="classmysqlpp_1_1Comparable.html#a617880cb42950b9df07f2dbf193eb955"> 68</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classmysqlpp_1_1Comparable.html#a617880cb42950b9df07f2dbf193eb955">operator ></a>(<span class="keyword">const</span> T& other)<span class="keyword"> const</span></div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="keyword"> </span>{</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keywordflow">return</span> <a class="code" href="classmysqlpp_1_1Comparable.html#a189507426ed585f7da84f63dc426c651">compare</a>(other) > 0;</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  }</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span> </div>
<div class="line"><a name="l00074"></a><span class="lineno"><a class="line" href="classmysqlpp_1_1Comparable.html#a745bf92e13e9e600fe3b34cb35b4aa86"> 74</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classmysqlpp_1_1Comparable.html#a745bf92e13e9e600fe3b34cb35b4aa86">operator >=</a>(<span class="keyword">const</span> T& other)<span class="keyword"> const</span></div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span> <span class="keyword"> </span>{</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keywordflow">return</span> <a class="code" href="classmysqlpp_1_1Comparable.html#a189507426ed585f7da84f63dc426c651">compare</a>(other) >= 0;</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  }</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span> </div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span> <span class="keyword">protected</span>:</div>
<div class="line"><a name="l00087"></a><span class="lineno"><a class="line" href="classmysqlpp_1_1Comparable.html#a04f46aa0ee2ba5e0dcb6e3bd77a22f0f"> 87</a></span>  <span class="keyword">virtual</span> <a class="code" href="classmysqlpp_1_1Comparable.html#a04f46aa0ee2ba5e0dcb6e3bd77a22f0f">~Comparable</a>() { }</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span> </div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keyword">virtual</span> <span class="keywordtype">int</span> <a class="code" href="classmysqlpp_1_1Comparable.html#a189507426ed585f7da84f63dc426c651">compare</a>(<span class="keyword">const</span> T& other) <span class="keyword">const</span> = 0;</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span> };</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span> </div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span> }</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span> </div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span> <span class="preprocessor">#endif // !defined(MYSQLPP_COMPARABLE_H)</span></div>
<div class="ttc" id="classmysqlpp_1_1Comparable_html_a189507426ed585f7da84f63dc426c651"><div class="ttname"><a href="classmysqlpp_1_1Comparable.html#a189507426ed585f7da84f63dc426c651">mysqlpp::Comparable::compare</a></div><div class="ttdeci">virtual int compare(const T &other) const =0</div><div class="ttdoc">Compare this object to another of the same type. </div></div>
<div class="ttc" id="classmysqlpp_1_1Comparable_html_a04f46aa0ee2ba5e0dcb6e3bd77a22f0f"><div class="ttname"><a href="classmysqlpp_1_1Comparable.html#a04f46aa0ee2ba5e0dcb6e3bd77a22f0f">mysqlpp::Comparable::~Comparable</a></div><div class="ttdeci">virtual ~Comparable()</div><div class="ttdoc">Destroy object. </div><div class="ttdef"><b>Definition:</b> comparable.h:87</div></div>
<div class="ttc" id="classmysqlpp_1_1Comparable_html"><div class="ttname"><a href="classmysqlpp_1_1Comparable.html">mysqlpp::Comparable</a></div><div class="ttdoc">Mix-in that gives its subclass a full set of comparison operators. </div><div class="ttdef"><b>Definition:</b> comparable.h:40</div></div>
<div class="ttc" id="classmysqlpp_1_1Comparable_html_a990a2cc29467a347406162fff86cc514"><div class="ttname"><a href="classmysqlpp_1_1Comparable.html#a990a2cc29467a347406162fff86cc514">mysqlpp::Comparable::operator<</a></div><div class="ttdeci">bool operator<(const T &other) const </div><div class="ttdoc">Returns true if &quot;other&quot; is less than this object. </div><div class="ttdef"><b>Definition:</b> comparable.h:56</div></div>
<div class="ttc" id="classmysqlpp_1_1Comparable_html_a617880cb42950b9df07f2dbf193eb955"><div class="ttname"><a href="classmysqlpp_1_1Comparable.html#a617880cb42950b9df07f2dbf193eb955">mysqlpp::Comparable::operator></a></div><div class="ttdeci">bool operator>(const T &other) const </div><div class="ttdoc">Returns true if &quot;other&quot; is greater than this object. </div><div class="ttdef"><b>Definition:</b> comparable.h:68</div></div>
<div class="ttc" id="classmysqlpp_1_1Comparable_html_a6062c13d77297d6ea038afc32bd1825a"><div class="ttname"><a href="classmysqlpp_1_1Comparable.html#a6062c13d77297d6ea038afc32bd1825a">mysqlpp::Comparable::operator!=</a></div><div class="ttdeci">bool operator!=(const T &other) const </div><div class="ttdoc">Returns true if &quot;other&quot; is not equal to this object. </div><div class="ttdef"><b>Definition:</b> comparable.h:50</div></div>
<div class="ttc" id="classmysqlpp_1_1Comparable_html_a03cde1e3a6da4f73d918ed6e472e4fc8"><div class="ttname"><a href="classmysqlpp_1_1Comparable.html#a03cde1e3a6da4f73d918ed6e472e4fc8">mysqlpp::Comparable::operator<=</a></div><div class="ttdeci">bool operator<=(const T &other) const </div><div class="ttdoc">Returns true if &quot;other&quot; is less than or equal to this object. </div><div class="ttdef"><b>Definition:</b> comparable.h:62</div></div>
<div class="ttc" id="classmysqlpp_1_1Comparable_html_a745bf92e13e9e600fe3b34cb35b4aa86"><div class="ttname"><a href="classmysqlpp_1_1Comparable.html#a745bf92e13e9e600fe3b34cb35b4aa86">mysqlpp::Comparable::operator>=</a></div><div class="ttdeci">bool operator>=(const T &other) const </div><div class="ttdoc">Returns true if &quot;other&quot; is greater than or equal to this object. </div><div class="ttdef"><b>Definition:</b> comparable.h:74</div></div>
<div class="ttc" id="classmysqlpp_1_1Comparable_html_a88062e6c972104353b675e69d798ff11"><div class="ttname"><a href="classmysqlpp_1_1Comparable.html#a88062e6c972104353b675e69d798ff11">mysqlpp::Comparable::operator==</a></div><div class="ttdeci">bool operator==(const T &other) const </div><div class="ttdoc">Returns true if &quot;other&quot; is equal to this object. </div><div class="ttdef"><b>Definition:</b> comparable.h:44</div></div>
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