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| <li class="navelem"><a class="el" href="dir_1efe588324fc547683bba4a3f1bac847.html">core</a></li><li class="navelem"><a class="el" href="dir_56f9b3c34a852b92179da152ee78b823.html">Search</a></li><li class="navelem"><a class="el" href="dir_88bea2c074665fe818c2abb880c698ea.html">Payloads</a></li> </ul> |
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| <div class="title">MaxPayloadFunction.cs</div> </div> |
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| <a href="_max_payload_function_8cs.html">Go to the documentation of this file.</a><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 or more</span></div> |
| <div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * contributor license agreements. See the NOTICE file distributed with</span></div> |
| <div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * this work for additional information regarding copyright ownership.</span></div> |
| <div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> * The ASF licenses this file to You under the Apache License, Version 2.0</span></div> |
| <div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * (the "License"); you may not use this file except in compliance with</span></div> |
| <div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * the License. You may obtain a copy of the License at</span></div> |
| <div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * </span></div> |
| <div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * http://www.apache.org/licenses/LICENSE-2.0</span></div> |
| <div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> * </span></div> |
| <div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * Unless required by applicable law or agreed to in writing, software</span></div> |
| <div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * distributed under the License is distributed on an "AS IS" BASIS,</span></div> |
| <div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div> |
| <div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * See the License for the specific language governing permissions and</span></div> |
| <div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * limitations under the License.</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> </div> |
| <div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="keyword">using</span> System;</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="keyword">namespace </span>Lucene.Net.Search.Payloads</div> |
| <div class="line"><a name="l00021"></a><span class="lineno"> 21</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>  </div> |
| <div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  [Serializable]</div> |
| <div class="line"><a name="l00031"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_payloads_1_1_max_payload_function.html"> 31</a></span>  <span class="keyword">public</span> <span class="keyword">class </span><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_payloads_1_1_max_payload_function.html" title="Returns the maximum payload score seen, else 1 if there are no payloads on the doc. Is thread safe and completely reusable.">MaxPayloadFunction</a>:<a class="code" href="class_lucene_1_1_net_1_1_search_1_1_payloads_1_1_payload_function.html" title="An abstract class that defines a way for Payload*Query instances to transform the cumulative effects ...">PayloadFunction</a></div> |
| <div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  {</div> |
| <div class="line"><a name="l00033"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_payloads_1_1_max_payload_function.html#a9cfb36340570e2ba07fe1604a5da2837"> 33</a></span>  <span class="keyword">public</span> <span class="keyword">override</span> <span class="keywordtype">float</span> CurrentScore(<span class="keywordtype">int</span> docId, System.String field, <span class="keywordtype">int</span> start, <span class="keywordtype">int</span> end, <span class="keywordtype">int</span> numPayloadsSeen, <span class="keywordtype">float</span> currentScore, <span class="keywordtype">float</span> currentPayloadScore)</div> |
| <div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  {</div> |
| <div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <span class="keywordflow">if</span> (numPayloadsSeen == 0)</div> |
| <div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  {</div> |
| <div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <span class="keywordflow">return</span> currentPayloadScore;</div> |
| <div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  }</div> |
| <div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="keywordflow">else</span></div> |
| <div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  {</div> |
| <div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="keywordflow">return</span> System.Math.Max(currentPayloadScore, currentScore);</div> |
| <div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  }</div> |
| <div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  }</div> |
| <div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  </div> |
| <div class="line"><a name="l00045"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_payloads_1_1_max_payload_function.html#afc697d9b385ca564d9e6ac064f9c3af7"> 45</a></span>  <span class="keyword">public</span> <span class="keyword">override</span> <span class="keywordtype">float</span> DocScore(<span class="keywordtype">int</span> docId, System.String field, <span class="keywordtype">int</span> numPayloadsSeen, <span class="keywordtype">float</span> payloadScore)</div> |
| <div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  {</div> |
| <div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="keywordflow">return</span> numPayloadsSeen > 0?payloadScore:1;</div> |
| <div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  }</div> |
| <div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  </div> |
| <div class="line"><a name="l00050"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_payloads_1_1_max_payload_function.html#ad7fc1cbed329ad9b71cbace6a4959fc3"> 50</a></span>  <span class="keyword">public</span> <span class="keyword">override</span> <span class="keywordtype">int</span> GetHashCode()</div> |
| <div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  {</div> |
| <div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="keywordtype">int</span> prime = 31;</div> |
| <div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="keywordtype">int</span> result = 1;</div> |
| <div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  result = prime * result + this.GetType().<a class="code" href="class_lucene_1_1_net_1_1_search_1_1_payloads_1_1_payload_function.html#a526f3d2f6391db8db8ed936418c1c885">GetHashCode</a>();</div> |
| <div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="keywordflow">return</span> result;</div> |
| <div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  }</div> |
| <div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  </div> |
| <div class="line"><a name="l00058"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_payloads_1_1_max_payload_function.html#ab31c66a61c1588fc00664d736db5affe"> 58</a></span>  <span class="keyword">public</span> <span class="keyword">override</span> <span class="keywordtype">bool</span> Equals(System.Object obj)</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>  <span class="keywordflow">if</span> (<span class="keyword">this</span> == obj)</div> |
| <div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div> |
| <div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keywordflow">if</span> (obj == null)</div> |
| <div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div> |
| <div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keywordflow">if</span> (GetType() != obj.GetType())</div> |
| <div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div> |
| <div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</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> }</div> |
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