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| <div class="title">DocInverterPerField.cs</div> </div> |
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| <a href="_doc_inverter_per_field_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> <span class="keyword">using</span> Lucene.Net.Analysis.Tokenattributes;</div> |
| <div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="keyword">using</span> Lucene.Net.Documents;</div> |
| <div class="line"><a name="l00021"></a><span class="lineno"><a class="code" href="_doc_inverter_per_field_8cs.html#a205730fc8c2839cf92051d131140dae0"> 21</a></span> <span class="keyword">using</span> <a class="code" href="_more_like_this_8cs.html#a205730fc8c2839cf92051d131140dae0">TokenStream</a> = Lucene.Net.Analysis.TokenStream;</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="keyword">namespace </span>Lucene.Net.Index</div> |
| <div class="line"><a name="l00024"></a><span class="lineno"> 24</span> {</div> |
| <div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  </div> |
| <div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  </div> |
| <div class="line"><a name="l00034"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_index_1_1_doc_inverter_per_field.html"> 34</a></span>  sealed <span class="keyword">class </span><a class="code" href="class_lucene_1_1_net_1_1_index_1_1_doc_inverter_per_field.html" title="Holds state for inverting all occurrences of a single field in the document. This class doesn't do an...">DocInverterPerField</a>:<a class="code" href="class_lucene_1_1_net_1_1_index_1_1_doc_field_consumer_per_field.html">DocFieldConsumerPerField</a></div> |
| <div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  {</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="keyword">private</span> <a class="code" href="class_lucene_1_1_net_1_1_index_1_1_doc_inverter_per_thread.html" title="This is a DocFieldConsumer that inverts each field, separately, from a Document, and accepts a Invert...">DocInverterPerThread</a> perThread;</div> |
| <div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <span class="keyword">private</span> <a class="code" href="class_lucene_1_1_net_1_1_index_1_1_field_info.html">FieldInfo</a> fieldInfo;</div> |
| <div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="keyword">internal</span> <a class="code" href="class_lucene_1_1_net_1_1_index_1_1_inverted_doc_consumer_per_field.html">InvertedDocConsumerPerField</a> consumer;</div> |
| <div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <span class="keyword">internal</span> <a class="code" href="class_lucene_1_1_net_1_1_index_1_1_inverted_doc_end_consumer_per_field.html">InvertedDocEndConsumerPerField</a> endConsumer;</div> |
| <div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="keyword">internal</span> <a class="code" href="class_lucene_1_1_net_1_1_index_1_1_documents_writer.html" title="This class accepts multiple added documents and directly writes a single segment file. It does this more efficiently than creating a single segment per document (with DocumentWriter) and doing standard merges on those segments.">DocumentsWriter</a>.DocState docState;</div> |
| <div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <span class="keyword">internal</span> <a class="code" href="class_lucene_1_1_net_1_1_index_1_1_field_invert_state.html" title="This class tracks the number and position / offset parameters of terms being added to the index...">FieldInvertState</a> fieldState;</div> |
| <div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  </div> |
| <div class="line"><a name="l00044"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_index_1_1_doc_inverter_per_field.html#a614907fc75eb17d8e7ac9b177389fc3a"> 44</a></span>  <span class="keyword">public</span> <a class="code" href="class_lucene_1_1_net_1_1_index_1_1_doc_inverter_per_field.html" title="Holds state for inverting all occurrences of a single field in the document. This class doesn't do an...">DocInverterPerField</a>(<a class="code" href="class_lucene_1_1_net_1_1_index_1_1_doc_inverter_per_thread.html" title="This is a DocFieldConsumer that inverts each field, separately, from a Document, and accepts a Invert...">DocInverterPerThread</a> perThread, <a class="code" href="class_lucene_1_1_net_1_1_index_1_1_field_info.html">FieldInfo</a> fieldInfo)</div> |
| <div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  {</div> |
| <div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  this.perThread = perThread;</div> |
| <div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  this.fieldInfo = fieldInfo;</div> |
| <div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  docState = perThread.docState;</div> |
| <div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  fieldState = perThread.fieldState;</div> |
| <div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  this.consumer = perThread.consumer.AddField(<span class="keyword">this</span>, fieldInfo);</div> |
| <div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  this.endConsumer = perThread.endConsumer.AddField(<span class="keyword">this</span>, fieldInfo);</div> |
| <div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  }</div> |
| <div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  </div> |
| <div class="line"><a name="l00054"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_index_1_1_doc_inverter_per_field.html#a6928d8874750f99acebb55a6031b4712"> 54</a></span>  <span class="keyword">public</span> <span class="keyword">override</span> <span class="keywordtype">void</span> Abort()</div> |
| <div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  {</div> |
| <div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  consumer.Abort();</div> |
| <div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  endConsumer.Abort();</div> |
| <div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  }</div> |
| <div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  </div> |
| <div class="line"><a name="l00060"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_index_1_1_doc_inverter_per_field.html#a0d26edbc4e1f77bce2c94a472c8bf3ad"> 60</a></span>  <span class="keyword">public</span> <span class="keyword">override</span> <span class="keywordtype">void</span> ProcessFields(<a class="code" href="interface_lucene_1_1_net_1_1_documents_1_1_i_fieldable.html" title="Synonymous with Field.">IFieldable</a>[] fields, <span class="keywordtype">int</span> count)</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>  fieldState.Reset(docState.doc.Boost);</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="keywordtype">int</span> maxFieldLength = docState.maxFieldLength;</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="keywordtype">bool</span> doInvert = consumer.Start(fields, count);</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="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < count; i++)</div> |
| <div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  {</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>  <a class="code" href="interface_lucene_1_1_net_1_1_documents_1_1_i_fieldable.html" title="Synonymous with Field.">IFieldable</a> field = fields[i];</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>  <span class="comment">// TODO FI: this should be "genericized" to querying</span></div> |
| <div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="comment">// consumer if it wants to see this particular field</span></div> |
| <div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="comment">// tokenized.</span></div> |
| <div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="keywordflow">if</span> (field.<a class="code" href="interface_lucene_1_1_net_1_1_documents_1_1_i_fieldable.html#a1d06afbb41d96935271f515185486894" title="True if the value of the field is to be indexed, so that it may be searched on. ">IsIndexed</a> && doInvert)</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>  </div> |
| <div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keywordtype">bool</span> anyToken;</div> |
| <div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  </div> |
| <div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keywordflow">if</span> (fieldState.length > 0)</div> |
| <div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  fieldState.position += docState.analyzer.GetPositionIncrementGap(fieldInfo.name);</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="keywordflow">if</span> (!field.<a class="code" href="interface_lucene_1_1_net_1_1_documents_1_1_i_fieldable.html#a759bc03b5d9691321bda270434e381f0" title="True if the value of the field should be tokenized as text prior to indexing. Un-tokenized fields are...">IsTokenized</a>)</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="comment">// un-tokenized field</span></div> |
| <div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  System.String stringValue = field.<a class="code" href="interface_lucene_1_1_net_1_1_documents_1_1_i_fieldable.html#adaea4a14b9c96576da9171b41abff836" title="The value of the field as a String, or null. For indexing, if isStored()==true, the stringValue() wil...">StringValue</a>;</div> |
| <div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keywordtype">int</span> valueLength = stringValue.Length;</div> |
| <div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  perThread.singleToken.Reinit(stringValue, 0, valueLength);</div> |
| <div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  fieldState.attributeSource = perThread.singleToken;</div> |
| <div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  consumer.Start(field);</div> |
| <div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  </div> |
| <div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keywordtype">bool</span> success = <span class="keyword">false</span>;</div> |
| <div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="keywordflow">try</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>  consumer.Add();</div> |
| <div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  success = <span class="keyword">true</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">finally</span></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>  <span class="keywordflow">if</span> (!success)</div> |
| <div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  docState.docWriter.SetAborting();</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>  fieldState.offset += valueLength;</div> |
| <div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  fieldState.length++;</div> |
| <div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  fieldState.position++;</div> |
| <div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  anyToken = valueLength > 0;</div> |
| <div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  }</div> |
| <div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="keywordflow">else</span></div> |
| <div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  {</div> |
| <div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="comment">// tokenized field</span></div> |
| <div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <a class="code" href="_more_like_this_8cs.html#a205730fc8c2839cf92051d131140dae0">TokenStream</a> stream;</div> |
| <div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <a class="code" href="_more_like_this_8cs.html#a205730fc8c2839cf92051d131140dae0">TokenStream</a> streamValue = field.<a class="code" href="interface_lucene_1_1_net_1_1_documents_1_1_i_fieldable.html#a75e563b489559fbad505a4c6be4ebbeb" title="The TokenStream for this field to be used when indexing, or null.">TokenStreamValue</a>;</div> |
| <div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  </div> |
| <div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="keywordflow">if</span> (streamValue != null)</div> |
| <div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  stream = streamValue;</div> |
| <div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="keywordflow">else</span></div> |
| <div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  {</div> |
| <div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="comment">// the field does not have a TokenStream,</span></div> |
| <div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="comment">// so we have to obtain one from the analyzer</span></div> |
| <div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  System.IO.TextReader reader; <span class="comment">// find or make Reader</span></div> |
| <div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  System.IO.TextReader readerValue = field.<a class="code" href="interface_lucene_1_1_net_1_1_documents_1_1_i_fieldable.html#a1576df6ab1faed2ae00f4d0557bb2ce8" title="The value of the field as a Reader, which can be used at index time to generate indexed tokens...">ReaderValue</a>;</div> |
| <div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  </div> |
| <div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="keywordflow">if</span> (readerValue != null)</div> |
| <div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  reader = readerValue;</div> |
| <div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keywordflow">else</span></div> |
| <div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  {</div> |
| <div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  System.String stringValue = field.<a class="code" href="interface_lucene_1_1_net_1_1_documents_1_1_i_fieldable.html#adaea4a14b9c96576da9171b41abff836" title="The value of the field as a String, or null. For indexing, if isStored()==true, the stringValue() wil...">StringValue</a>;</div> |
| <div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="keywordflow">if</span> (stringValue == null)</div> |
| <div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keywordflow">throw</span> <span class="keyword">new</span> System.ArgumentException(<span class="stringliteral">"field must have either TokenStream, String or Reader value"</span>);</div> |
| <div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  perThread.stringReader.Init(stringValue);</div> |
| <div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  reader = perThread.stringReader;</div> |
| <div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  }</div> |
| <div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  </div> |
| <div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="comment">// Tokenize field and add to postingTable</span></div> |
| <div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  stream = docState.analyzer.ReusableTokenStream(fieldInfo.name, reader);</div> |
| <div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  }</div> |
| <div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  </div> |
| <div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="comment">// reset the TokenStream to the first token</span></div> |
| <div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  stream.Reset();</div> |
| <div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  </div> |
| <div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="keywordtype">int</span> startLength = fieldState.length;</div> |
| <div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  </div> |
| <div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="keywordflow">try</span></div> |
| <div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  {</div> |
| <div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="keywordtype">int</span> offsetEnd = fieldState.offset - 1;</div> |
| <div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  </div> |
| <div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="keywordtype">bool</span> hasMoreTokens = stream.IncrementToken();</div> |
| <div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  </div> |
| <div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  fieldState.attributeSource = stream;</div> |
| <div class="line"><a name="l00152"></a><span class="lineno"> 152</span> </div> |
| <div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <a class="code" href="interface_lucene_1_1_net_1_1_analysis_1_1_tokenattributes_1_1_i_offset_attribute.html" title="The start and end character offset of a Token. ">IOffsetAttribute</a> offsetAttribute = fieldState.attributeSource.AddAttribute<<a class="code" href="interface_lucene_1_1_net_1_1_analysis_1_1_tokenattributes_1_1_i_offset_attribute.html" title="The start and end character offset of a Token. ">IOffsetAttribute</a>>();</div> |
| <div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <a class="code" href="interface_lucene_1_1_net_1_1_analysis_1_1_tokenattributes_1_1_i_position_increment_attribute.html" title="The positionIncrement determines the position of this token relative to the previous Token in a Token...">IPositionIncrementAttribute</a> posIncrAttribute = fieldState.attributeSource.AddAttribute<<a class="code" href="interface_lucene_1_1_net_1_1_analysis_1_1_tokenattributes_1_1_i_position_increment_attribute.html" title="The positionIncrement determines the position of this token relative to the previous Token in a Token...">IPositionIncrementAttribute</a>>();</div> |
| <div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  </div> |
| <div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  consumer.Start(field);</div> |
| <div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  </div> |
| <div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="keywordflow">for</span> (; ; )</div> |
| <div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  {</div> |
| <div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  </div> |
| <div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="comment">// If we hit an exception in stream.next below</span></div> |
| <div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <span class="comment">// (which is fairly common, eg if analyzer</span></div> |
| <div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="comment">// chokes on a given document), then it's</span></div> |
| <div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="comment">// non-aborting and (above) this one document</span></div> |
| <div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="comment">// will be marked as deleted, but still</span></div> |
| <div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <span class="comment">// consume a docID</span></div> |
| <div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  </div> |
| <div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="keywordflow">if</span> (!hasMoreTokens)</div> |
| <div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="keywordflow">break</span>;</div> |
| <div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  </div> |
| <div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="keywordtype">int</span> posIncr = posIncrAttribute.<a class="code" href="interface_lucene_1_1_net_1_1_analysis_1_1_tokenattributes_1_1_i_position_increment_attribute.html#a3d8ab40f937085e6708296059d0732b2" title="Gets or sets the position increment. The default value is one.">PositionIncrement</a>;</div> |
| <div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  fieldState.position += posIncr;</div> |
| <div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <span class="keywordflow">if</span> (fieldState.position > 0)</div> |
| <div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  {</div> |
| <div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  fieldState.position--;</div> |
| <div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  }</div> |
| <div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  </div> |
| <div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <span class="keywordflow">if</span> (posIncr == 0)</div> |
| <div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  fieldState.numOverlap++;</div> |
| <div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  </div> |
| <div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="keywordtype">bool</span> success = <span class="keyword">false</span>;</div> |
| <div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <span class="keywordflow">try</span></div> |
| <div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  {</div> |
| <div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="comment">// If we hit an exception in here, we abort</span></div> |
| <div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <span class="comment">// all buffered documents since the last</span></div> |
| <div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  <span class="comment">// flush, on the likelihood that the</span></div> |
| <div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  <span class="comment">// internal state of the consumer is now</span></div> |
| <div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <span class="comment">// corrupt and should not be flushed to a</span></div> |
| <div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <span class="comment">// new segment:</span></div> |
| <div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  consumer.Add();</div> |
| <div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  success = <span class="keyword">true</span>;</div> |
| <div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  }</div> |
| <div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  <span class="keywordflow">finally</span></div> |
| <div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  {</div> |
| <div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  <span class="keywordflow">if</span> (!success)</div> |
| <div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  docState.docWriter.SetAborting();</div> |
| <div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  }</div> |
| <div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  fieldState.position++;</div> |
| <div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  offsetEnd = fieldState.offset + offsetAttribute.<a class="code" href="interface_lucene_1_1_net_1_1_analysis_1_1_tokenattributes_1_1_i_offset_attribute.html#a7e79d01df63e690957780c19ee5ac863" title="Returns this Token's ending offset, one greater than the position of the last character corresponding...">EndOffset</a>;</div> |
| <div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <span class="keywordflow">if</span> (++fieldState.length >= maxFieldLength)</div> |
| <div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  {</div> |
| <div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  <span class="keywordflow">if</span> (docState.infoStream != null)</div> |
| <div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  docState.infoStream.WriteLine(<span class="stringliteral">"maxFieldLength "</span> + maxFieldLength + <span class="stringliteral">" reached for field "</span> + fieldInfo.name + <span class="stringliteral">", ignoring following tokens"</span>);</div> |
| <div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  <span class="keywordflow">break</span>;</div> |
| <div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  }</div> |
| <div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  </div> |
| <div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  hasMoreTokens = stream.IncrementToken();</div> |
| <div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  }</div> |
| <div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <span class="comment">// trigger streams to perform end-of-stream operations</span></div> |
| <div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  stream.End();</div> |
| <div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  </div> |
| <div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  fieldState.offset += offsetAttribute.<a class="code" href="interface_lucene_1_1_net_1_1_analysis_1_1_tokenattributes_1_1_i_offset_attribute.html#a7e79d01df63e690957780c19ee5ac863" title="Returns this Token's ending offset, one greater than the position of the last character corresponding...">EndOffset</a>;</div> |
| <div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  anyToken = fieldState.length > startLength;</div> |
| <div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  }</div> |
| <div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  <span class="keywordflow">finally</span></div> |
| <div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  {</div> |
| <div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  stream.Close();</div> |
| <div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  }</div> |
| <div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  }</div> |
| <div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  </div> |
| <div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <span class="keywordflow">if</span> (anyToken)</div> |
| <div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  fieldState.offset += docState.analyzer.GetOffsetGap(field);</div> |
| <div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  fieldState.boost *= field.<a class="code" href="interface_lucene_1_1_net_1_1_documents_1_1_i_fieldable.html#a56f574c0f2e767e8e10a4977bbb2789a" title="Gets or sets the boost factor for hits for this field. This value will be multiplied into the score o...">Boost</a>;</div> |
| <div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  }</div> |
| <div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  </div> |
| <div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <span class="comment">// LUCENE-2387: don't hang onto the field, so GC can</span></div> |
| <div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  <span class="comment">// reclaim</span></div> |
| <div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  fields[i] = null;</div> |
| <div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  }</div> |
| <div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  </div> |
| <div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  consumer.Finish();</div> |
| <div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  endConsumer.Finish();</div> |
| <div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  }</div> |
| <div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  }</div> |
| <div class="line"><a name="l00235"></a><span class="lineno"> 235</span> }</div> |
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