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| <li class="navelem"><a class="el" href="dir_3a8d697be1e2feab9f01acc78e9570fb.html">contrib</a></li><li class="navelem"><a class="el" href="dir_561711aff09ef70608a6591bcd984cfc.html">Memory</a></li> </ul> |
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| <a href="_memory_term_enum_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"> *</span></div> |
| <div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * Licensed to the Apache Software Foundation (ASF) under one</span></div> |
| <div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * or more contributor license agreements. See the NOTICE file</span></div> |
| <div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> * distributed with this work for additional information</span></div> |
| <div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * regarding copyright ownership. The ASF licenses this file</span></div> |
| <div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * to you under the Apache License, Version 2.0 (the</span></div> |
| <div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * "License"); you may not use this file except in compliance</span></div> |
| <div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * with the License. You may obtain a copy of the License at</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"> * http://www.apache.org/licenses/LICENSE-2.0</span></div> |
| <div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> *</span></div> |
| <div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * Unless required by applicable law or agreed to in writing,</span></div> |
| <div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * software distributed under the License is distributed on an</span></div> |
| <div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY</span></div> |
| <div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * KIND, either express or implied. See the License for the</span></div> |
| <div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * specific language governing permissions and limitations</span></div> |
| <div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> * under the License.</span></div> |
| <div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> *</span></div> |
| <div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment">*/</span></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> <span class="keyword">using</span> System;</div> |
| <div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="keyword">using</span> System.Collections.Generic;</div> |
| <div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="keyword">using</span> System.Linq;</div> |
| <div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="keyword">using</span> System.Text;</div> |
| <div class="line"><a name="l00026"></a><span class="lineno"> 26</span> </div> |
| <div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="keyword">namespace </span>Lucene.Net.Index.Memory</div> |
| <div class="line"><a name="l00028"></a><span class="lineno"> 28</span> {</div> |
| <div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  <span class="keyword">public</span> <span class="keyword">partial class </span>MemoryIndex</div> |
| <div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  {</div> |
| <div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  <span class="keyword">private</span> sealed <span class="keyword">partial class </span>MemoryIndexReader</div> |
| <div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  {</div> |
| <div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  <span class="keyword">private</span> <span class="keyword">class </span>MemoryTermEnum : <a class="code" href="_field_cache_impl_8cs.html#a9ad914d1fb876bdbb16a70f17895b145">TermEnum</a></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="keyword">private</span> readonly MemoryIndex _index;</div> |
| <div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <span class="keyword">private</span> readonly MemoryIndexReader _reader;</div> |
| <div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <span class="keyword">private</span> <span class="keywordtype">int</span> _i; <span class="comment">// index into info.sortedTerms</span></div> |
| <div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <span class="keyword">private</span> <span class="keywordtype">int</span> _j; <span class="comment">// index into sortedFields</span></div> |
| <div class="line"><a name="l00039"></a><span class="lineno"> 39</span> </div> |
| <div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <span class="keyword">public</span> MemoryTermEnum(MemoryIndex index, MemoryIndexReader reader, <span class="keywordtype">int</span> ix, <span class="keywordtype">int</span> jx)</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>  _index = index;</div> |
| <div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  _reader = reader;</div> |
| <div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  _i = ix; <span class="comment">// index into info.sortedTerms</span></div> |
| <div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  _j = jx; <span class="comment">// index into sortedFields</span></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> </div> |
| <div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="keyword">public</span> <span class="keyword">override</span> <span class="keywordtype">bool</span> Next()</div> |
| <div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  {</div> |
| <div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="keywordflow">if</span> (DEBUG) System.Diagnostics.Debug.WriteLine(<span class="stringliteral">"TermEnum.next"</span>);</div> |
| <div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keywordflow">if</span> (_j >= _index.sortedFields.Length) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div> |
| <div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  Info info = _reader.GetInfo(_j);</div> |
| <div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="keywordflow">if</span> (++_i < info.SortedTerms.Length) <span class="keywordflow">return</span> <span class="keyword">true</span>;</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">// move to successor</span></div> |
| <div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  _j++;</div> |
| <div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  _i = 0;</div> |
| <div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="keywordflow">if</span> (_j >= _index.sortedFields.Length) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div> |
| <div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  _reader.GetInfo(_j).SortTerms();</div> |
| <div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</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> </div> |
| <div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keyword">public</span> <span class="keyword">override</span> <a class="code" href="_more_like_this_8cs.html#a8797eb30ce21b31829d3e3a43a20e3b9">Term</a> <a class="code" href="_more_like_this_8cs.html#a8797eb30ce21b31829d3e3a43a20e3b9">Term</a></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">get</span></div> |
| <div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  {</div> |
| <div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keywordflow">if</span> (DEBUG) System.Diagnostics.Debug.WriteLine(<span class="stringliteral">"TermEnum.term: "</span> + _i);</div> |
| <div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keywordflow">if</span> (_j >= _index.sortedFields.Length) <span class="keywordflow">return</span> null;</div> |
| <div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  Info info = _reader.GetInfo(_j);</div> |
| <div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keywordflow">if</span> (_i >= info.SortedTerms.Length) <span class="keywordflow">return</span> null;</div> |
| <div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="comment">// if (DEBUG) System.Diagnostics.Debug.WriteLine("TermEnum.term: " + i + ", " + info.sortedTerms[i].getKey());</span></div> |
| <div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keywordflow">return</span> CreateTerm(info, _j, info.SortedTerms[_i].Key);</div> |
| <div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  }</div> |
| <div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  }</div> |
| <div class="line"><a name="l00075"></a><span class="lineno"> 75</span> </div> |
| <div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keyword">public</span> <span class="keyword">override</span> <span class="keywordtype">int</span> DocFreq()</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>  <span class="keywordflow">if</span> (DEBUG) System.Diagnostics.Debug.WriteLine(<span class="stringliteral">"TermEnum.docFreq"</span>);</div> |
| <div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="keywordflow">if</span> (_j >= _index.sortedFields.Length) <span class="keywordflow">return</span> 0;</div> |
| <div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  Info info = _reader.GetInfo(_j);</div> |
| <div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keywordflow">if</span> (_i >= info.SortedTerms.Length) <span class="keywordflow">return</span> 0;</div> |
| <div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keywordflow">return</span> _index.NumPositions(info.GetPositions(_i));</div> |
| <div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  }</div> |
| <div class="line"><a name="l00084"></a><span class="lineno"> 84</span> </div> |
| <div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keyword">protected</span> <span class="keyword">override</span> <span class="keywordtype">void</span> Dispose(<span class="keywordtype">bool</span> disposing)</div> |
| <div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  {</div> |
| <div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="keywordflow">if</span> (DEBUG) System.Diagnostics.Debug.WriteLine(<span class="stringliteral">"TermEnum.close"</span>);</div> |
| <div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  }</div> |
| <div class="line"><a name="l00089"></a><span class="lineno"> 89</span> </div> |
| <div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keyword">private</span> <a class="code" href="_more_like_this_8cs.html#a8797eb30ce21b31829d3e3a43a20e3b9">Term</a> CreateTerm(Info info, <span class="keywordtype">int</span> pos, <span class="keywordtype">string</span> text)</div> |
| <div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  {</div> |
| <div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="comment">// Assertion: sortFields has already been called before</span></div> |
| <div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <a class="code" href="_more_like_this_8cs.html#a8797eb30ce21b31829d3e3a43a20e3b9">Term</a> <span class="keyword">template</span> = info.template;</div> |
| <div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keywordflow">if</span> (<span class="keyword">template</span> == null) { <span class="comment">// not yet cached?</span></div> |
| <div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  String fieldName = _index.sortedFields[pos].Key;</div> |
| <div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keyword">template</span> = <span class="keyword">new</span> <a class="code" href="_more_like_this_8cs.html#a8797eb30ce21b31829d3e3a43a20e3b9">Term</a>(fieldName);</div> |
| <div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  info.template = <span class="keyword">template</span>;</div> |
| <div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  }</div> |
| <div class="line"><a name="l00099"></a><span class="lineno"> 99</span> </div> |
| <div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="keywordflow">return</span> <span class="keyword">template</span>.CreateTerm(text);</div> |
| <div class="line"><a name="l00101"></a><span class="lineno"> 101</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>  }</div> |
| <div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  }</div> |
| <div class="line"><a name="l00105"></a><span class="lineno"> 105</span> }</div> |
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