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| <div class="title">tuple_intersection.hpp</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> |
| <div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * Licensed to the Apache Software Foundation (ASF) under one</span></div> |
| <div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * or more contributor license agreements. See the NOTICE file</span></div> |
| <div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * distributed with this work for additional information</span></div> |
| <div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> * regarding copyright ownership. The ASF licenses this file</span></div> |
| <div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * to you under the Apache License, Version 2.0 (the</span></div> |
| <div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * "License"); you may not use this file except in compliance</span></div> |
| <div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * with the License. You may obtain a copy of the License at</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"> * http://www.apache.org/licenses/LICENSE-2.0</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"> * Unless required by applicable law or agreed to in writing,</span></div> |
| <div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * software distributed under the License is distributed on an</span></div> |
| <div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY</span></div> |
| <div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * KIND, either express or implied. See the License for the</span></div> |
| <div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * specific language governing permissions and limitations</span></div> |
| <div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * under the License.</span></div> |
| <div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> */</span></div> |
| <div class="line"><a name="l00019"></a><span class="lineno"> 19</span>  </div> |
| <div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#ifndef TUPLE_INTERSECTION_HPP_</span></div> |
| <div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#define TUPLE_INTERSECTION_HPP_</span></div> |
| <div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  </div> |
| <div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include "tuple_sketch.hpp"</span></div> |
| <div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include "theta_intersection_base.hpp"</span></div> |
| <div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  </div> |
| <div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="keyword">namespace </span><a class="code" href="namespacedatasketches.html">datasketches</a> {</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="comment">/*</span></div> |
| <div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment">// for types with defined + operation</span></div> |
| <div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment">template<typename Summary></span></div> |
| <div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment">struct example_tuple_intersection_policy {</span></div> |
| <div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="comment"> void operator()(Summary& summary, const Summary& other) const {</span></div> |
| <div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="comment"> summary += other;</span></div> |
| <div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="comment"> }</span></div> |
| <div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="comment">};</span></div> |
| <div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="comment">*/</span></div> |
| <div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  </div> |
| <div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="keyword">template</span><</div> |
| <div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="keyword">typename</span> Summary,</div> |
| <div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="keyword">typename</span> Policy,</div> |
| <div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="keyword">typename</span> Allocator = std::allocator<Summary></div> |
| <div class="line"><a name="l00046"></a><span class="lineno"> 46</span> ></div> |
| <div class="line"><a name="l00047"></a><span class="lineno"><a class="line" href="classdatasketches_1_1tuple__intersection.html"> 47</a></span> <span class="keyword">class </span><a class="code" href="classdatasketches_1_1tuple__intersection.html">tuple_intersection</a> {</div> |
| <div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="keyword">public</span>:</div> |
| <div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="keyword">using</span> Entry = std::pair<uint64_t, Summary>;</div> |
| <div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="keyword">using</span> ExtractKey = pair_extract_key<uint64_t, Summary>;</div> |
| <div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keyword">using</span> <a class="code" href="classdatasketches_1_1tuple__sketch.html">Sketch</a> = <a class="code" href="classdatasketches_1_1tuple__sketch.html">tuple_sketch<Summary, Allocator></a>;</div> |
| <div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="keyword">using</span> <a class="code" href="classdatasketches_1_1compact__tuple__sketch.html">CompactSketch</a> = <a class="code" href="classdatasketches_1_1compact__tuple__sketch.html">compact_tuple_sketch<Summary, Allocator></a>;</div> |
| <div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="keyword">using</span> AllocEntry = <span class="keyword">typename</span> std::allocator_traits<Allocator>::template rebind_alloc<Entry>;</div> |
| <div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  </div> |
| <div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="comment">// reformulate the external policy that operates on Summary</span></div> |
| <div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="comment">// in terms of operations on Entry</span></div> |
| <div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keyword">struct </span>internal_policy {</div> |
| <div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  internal_policy(<span class="keyword">const</span> Policy& external_policy): external_policy_(external_policy) {}</div> |
| <div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keywordtype">void</span> operator()(Entry& internal_entry, <span class="keyword">const</span> Entry& incoming_entry)<span class="keyword"> const </span>{</div> |
| <div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  external_policy_(internal_entry.second, incoming_entry.second);</div> |
| <div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  }</div> |
| <div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keywordtype">void</span> operator()(Entry& internal_entry, Entry&& incoming_entry)<span class="keyword"> const </span>{</div> |
| <div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  external_policy_(internal_entry.second, std::move(incoming_entry.second));</div> |
| <div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  }</div> |
| <div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keyword">const</span> Policy& get_external_policy()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> external_policy_; }</div> |
| <div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  Policy external_policy_;</div> |
| <div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  };</div> |
| <div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  </div> |
| <div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keyword">using</span> State = theta_intersection_base<Entry, ExtractKey, internal_policy, Sketch, CompactSketch, AllocEntry>;</div> |
| <div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  </div> |
| <div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="keyword">explicit</span> <a class="code" href="classdatasketches_1_1tuple__intersection.html#a4cff2978362ac6d1c74a1a69c3b3843f">tuple_intersection</a>(uint64_t seed = DEFAULT_SEED, <span class="keyword">const</span> Policy& policy = Policy(), <span class="keyword">const</span> Allocator& allocator = Allocator());</div> |
| <div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  </div> |
| <div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keyword">template</span><<span class="keyword">typename</span> FwdSketch></div> |
| <div class="line"><a name="l00086"></a><span class="lineno"><a class="line" href="classdatasketches_1_1tuple__intersection.html#a4fac8167b04c9b5dbaeb5ccbd053703c"> 86</a></span>  <span class="keywordtype">void</span> <a class="code" href="classdatasketches_1_1tuple__intersection.html#a4fac8167b04c9b5dbaeb5ccbd053703c">update</a>(FwdSketch&& sketch);</div> |
| <div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  </div> |
| <div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <a class="code" href="classdatasketches_1_1compact__tuple__sketch.html">CompactSketch</a> <a class="code" href="classdatasketches_1_1tuple__intersection.html#a037835e8f8e6b5233fa0f0996bba6a99">get_result</a>(<span class="keywordtype">bool</span> ordered = <span class="keyword">true</span>) <span class="keyword">const</span>;</div> |
| <div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  </div> |
| <div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keywordtype">bool</span> <a class="code" href="classdatasketches_1_1tuple__intersection.html#a4ef54f76786bbe6e50c2597943874de3">has_result</a>() <span class="keyword">const</span>;</div> |
| <div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  </div> |
| <div class="line"><a name="l00103"></a><span class="lineno"> 103</span> <span class="keyword">protected</span>:</div> |
| <div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  State state_;</div> |
| <div class="line"><a name="l00105"></a><span class="lineno"> 105</span> };</div> |
| <div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  </div> |
| <div class="line"><a name="l00107"></a><span class="lineno"> 107</span> } <span class="comment">/* namespace datasketches */</span></div> |
| <div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  </div> |
| <div class="line"><a name="l00109"></a><span class="lineno"> 109</span> <span class="preprocessor">#include "tuple_intersection_impl.hpp"</span></div> |
| <div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  </div> |
| <div class="line"><a name="l00111"></a><span class="lineno"> 111</span> <span class="preprocessor">#endif</span></div> |
| <div class="ttc" id="aclassdatasketches_1_1compact__tuple__sketch_html"><div class="ttname"><a href="classdatasketches_1_1compact__tuple__sketch.html">datasketches::compact_tuple_sketch</a></div><div class="ttdoc">Compact Tuple sketch.</div><div class="ttdef"><b>Definition:</b> tuple_sketch.hpp:407</div></div> |
| <div class="ttc" id="aclassdatasketches_1_1tuple__intersection_html"><div class="ttname"><a href="classdatasketches_1_1tuple__intersection.html">datasketches::tuple_intersection</a></div><div class="ttdoc">Tuple intersection.</div><div class="ttdef"><b>Definition:</b> tuple_intersection.hpp:47</div></div> |
| <div class="ttc" id="aclassdatasketches_1_1tuple__intersection_html_a037835e8f8e6b5233fa0f0996bba6a99"><div class="ttname"><a href="classdatasketches_1_1tuple__intersection.html#a037835e8f8e6b5233fa0f0996bba6a99">datasketches::tuple_intersection::get_result</a></div><div class="ttdeci">CompactSketch get_result(bool ordered=true) const</div><div class="ttdoc">Produces a copy of the current state of the intersection.</div><div class="ttdef"><b>Definition:</b> tuple_intersection_impl.hpp:34</div></div> |
| <div class="ttc" id="aclassdatasketches_1_1tuple__intersection_html_a4cff2978362ac6d1c74a1a69c3b3843f"><div class="ttname"><a href="classdatasketches_1_1tuple__intersection.html#a4cff2978362ac6d1c74a1a69c3b3843f">datasketches::tuple_intersection::tuple_intersection</a></div><div class="ttdeci">tuple_intersection(uint64_t seed=DEFAULT_SEED, const Policy &policy=Policy(), const Allocator &allocator=Allocator())</div><div class="ttdoc">Constructor.</div><div class="ttdef"><b>Definition:</b> tuple_intersection_impl.hpp:23</div></div> |
| <div class="ttc" id="aclassdatasketches_1_1tuple__intersection_html_a4ef54f76786bbe6e50c2597943874de3"><div class="ttname"><a href="classdatasketches_1_1tuple__intersection.html#a4ef54f76786bbe6e50c2597943874de3">datasketches::tuple_intersection::has_result</a></div><div class="ttdeci">bool has_result() const</div><div class="ttdoc">Returns true if the state of the intersection is defined (not infinite "universe").</div><div class="ttdef"><b>Definition:</b> tuple_intersection_impl.hpp:39</div></div> |
| <div class="ttc" id="aclassdatasketches_1_1tuple__intersection_html_a4fac8167b04c9b5dbaeb5ccbd053703c"><div class="ttname"><a href="classdatasketches_1_1tuple__intersection.html#a4fac8167b04c9b5dbaeb5ccbd053703c">datasketches::tuple_intersection::update</a></div><div class="ttdeci">void update(FwdSketch &&sketch)</div><div class="ttdoc">Updates the intersection with a given sketch.</div></div> |
| <div class="ttc" id="aclassdatasketches_1_1tuple__sketch_html"><div class="ttname"><a href="classdatasketches_1_1tuple__sketch.html">datasketches::tuple_sketch</a></div><div class="ttdoc">Base class for Tuple sketch.</div><div class="ttdef"><b>Definition:</b> tuple_sketch.hpp:54</div></div> |
| <div class="ttc" id="anamespacedatasketches_html"><div class="ttname"><a href="namespacedatasketches.html">datasketches</a></div><div class="ttdoc">DataSketches namespace.</div><div class="ttdef"><b>Definition:</b> binomial_bounds.hpp:38</div></div> |
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