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| <p>Expert: source of values for basic function queries. At its default/simplest form, values - one per doc - are used as the score of that doc. Values are instantiated as <a class="el" href="class_lucene_1_1_net_1_1_search_1_1_function_1_1_doc_values.html">DocValues</a> for a particular reader. <a class="el" href="class_lucene_1_1_net_1_1_search_1_1_function_1_1_value_source.html" title="Expert: source of values for basic function queries. At its default/simplest form, values - one per doc - are used as the score of that doc. Values are instantiated as DocValues for a particular reader. ValueSource implementations differ in RAM requirements: it would always be a factor of the number of documents, but for each document the number of bytes can be 1, 2, 4, or 8.">ValueSource</a> implementations differ in RAM requirements: it would always be a factor of the number of documents, but for each document the number of bytes can be 1, 2, 4, or 8. |
| <a href="class_lucene_1_1_net_1_1_search_1_1_function_1_1_value_source.html#details">More...</a></p> |
| |
| <p>Inherited by <a class="el" href="class_lucene_1_1_net_1_1_search_1_1_function_1_1_field_cache_source.html">Lucene.Net.Search.Function.FieldCacheSource</a>, <a class="el" href="class_lucene_1_1_net_1_1_search_1_1_function_1_1_ord_field_source.html">Lucene.Net.Search.Function.OrdFieldSource</a>, <a class="el" href="class_lucene_1_1_net_1_1_search_1_1_function_1_1_reverse_ord_field_source.html">Lucene.Net.Search.Function.ReverseOrdFieldSource</a>, <a class="el" href="class_lucene_1_1_net_1_1_spatial_1_1_b_box_1_1_b_box_similarity_value_source.html">Lucene.Net.Spatial.BBox.BBoxSimilarityValueSource</a>, <a class="el" href="class_lucene_1_1_net_1_1_spatial_1_1_util_1_1_caching_double_value_source.html">Lucene.Net.Spatial.Util.CachingDoubleValueSource</a>, <a class="el" href="class_lucene_1_1_net_1_1_spatial_1_1_util_1_1_reciprocal_float_function.html">Lucene.Net.Spatial.Util.ReciprocalFloatFunction</a>, <a class="el" href="class_lucene_1_1_net_1_1_spatial_1_1_util_1_1_shape_field_cache_distance_value_source.html">Lucene.Net.Spatial.Util.ShapeFieldCacheDistanceValueSource</a>, and <a class="el" href="class_lucene_1_1_net_1_1_spatial_1_1_vector_1_1_distance_value_source.html">Lucene.Net.Spatial.Vector.DistanceValueSource</a>.</p> |
| <table class="memberdecls"> |
| <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a> |
| Public Member Functions</h2></td></tr> |
| <tr class="memitem:a4fe47158939f191400db3b71dec5a61f"><td class="memItemLeft" align="right" valign="top">abstract <a class="el" href="class_lucene_1_1_net_1_1_search_1_1_function_1_1_doc_values.html">DocValues</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_lucene_1_1_net_1_1_search_1_1_function_1_1_value_source.html#a4fe47158939f191400db3b71dec5a61f">GetValues</a> (<a class="el" href="_more_like_this_8cs.html#a2a6914ea10bbe06764856e29e5674e66">IndexReader</a> reader)</td></tr> |
| <tr class="memdesc:a4fe47158939f191400db3b71dec5a61f"><td class="mdescLeft"> </td><td class="mdescRight">Return the <a class="el" href="class_lucene_1_1_net_1_1_search_1_1_function_1_1_doc_values.html" title="Expert: represents field values as different types. Normally created via a ValueSuorce for a particul...">DocValues</a> used by the function query. <a href="#a4fe47158939f191400db3b71dec5a61f"></a><br/></td></tr> |
| <tr class="separator:a4fe47158939f191400db3b71dec5a61f"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a20134fc1e0bb7739626e2434f95473ba"><td class="memItemLeft" align="right" valign="top">abstract System.String </td><td class="memItemRight" valign="bottom"><a class="el" href="class_lucene_1_1_net_1_1_search_1_1_function_1_1_value_source.html#a20134fc1e0bb7739626e2434f95473ba">Description</a> ()</td></tr> |
| <tr class="memdesc:a20134fc1e0bb7739626e2434f95473ba"><td class="mdescLeft"> </td><td class="mdescRight">description of field, used in explain() <a href="#a20134fc1e0bb7739626e2434f95473ba"></a><br/></td></tr> |
| <tr class="separator:a20134fc1e0bb7739626e2434f95473ba"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a502b061330d9e0ba6139ac58a4ffa0b9"><td class="memItemLeft" align="right" valign="top">override System.String </td><td class="memItemRight" valign="bottom"><a class="el" href="class_lucene_1_1_net_1_1_search_1_1_function_1_1_value_source.html#a502b061330d9e0ba6139ac58a4ffa0b9">ToString</a> ()</td></tr> |
| <tr class="separator:a502b061330d9e0ba6139ac58a4ffa0b9"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:aed70eaaa40d4170914f814a7ced188bc"><td class="memItemLeft" align="right" valign="top">abstract override bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_lucene_1_1_net_1_1_search_1_1_function_1_1_value_source.html#aed70eaaa40d4170914f814a7ced188bc">Equals</a> (System.Object o)</td></tr> |
| <tr class="memdesc:aed70eaaa40d4170914f814a7ced188bc"><td class="mdescLeft"> </td><td class="mdescRight">Needed for possible caching of query results - used by ValueSourceQuery.Equals(Object). <a href="#aed70eaaa40d4170914f814a7ced188bc"></a><br/></td></tr> |
| <tr class="separator:aed70eaaa40d4170914f814a7ced188bc"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a614e97264e961aa7c769a6e592f30f09"><td class="memItemLeft" align="right" valign="top">abstract override int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_lucene_1_1_net_1_1_search_1_1_function_1_1_value_source.html#a614e97264e961aa7c769a6e592f30f09">GetHashCode</a> ()</td></tr> |
| <tr class="memdesc:a614e97264e961aa7c769a6e592f30f09"><td class="mdescLeft"> </td><td class="mdescRight">Needed for possible caching of query results - used by <a class="el" href="class_lucene_1_1_net_1_1_search_1_1_function_1_1_value_source_query.html#a7f1a2a5b13e425af8014a6a838eeaa57" title="Returns a hash code value for this object. ">ValueSourceQuery.GetHashCode()</a>. <a href="#a614e97264e961aa7c769a6e592f30f09"></a><br/></td></tr> |
| <tr class="separator:a614e97264e961aa7c769a6e592f30f09"><td class="memSeparator" colspan="2"> </td></tr> |
| </table> |
| <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2> |
| <div class="textblock"><p>Expert: source of values for basic function queries. </p> |
| <p>At its default/simplest form, values - one per doc - are used as the score of that doc. </p> |
| <p>Values are instantiated as <a class="el" href="class_lucene_1_1_net_1_1_search_1_1_function_1_1_doc_values.html">DocValues</a> for a particular reader. </p> |
| <p><a class="el" href="class_lucene_1_1_net_1_1_search_1_1_function_1_1_value_source.html" title="Expert: source of values for basic function queries. At its default/simplest form, values - one per doc - are used as the score of that doc. Values are instantiated as DocValues for a particular reader. ValueSource implementations differ in RAM requirements: it would always be a factor of the number of documents, but for each document the number of bytes can be 1, 2, 4, or 8.">ValueSource</a> implementations differ in RAM requirements: it would always be a factor of the number of documents, but for each document the number of bytes can be 1, 2, 4, or 8. </p> |
| <p><font color="#FF0000"> WARNING: The status of the <b><a class="el" href="namespace_lucene_1_1_net_1_1_search_1_1_function.html">Search.Function</a></b> package is experimental. The APIs introduced here might change in the future and will not be supported anymore in such a case.</font></p> |
| |
| <p>Definition at line <a class="el" href="_value_source_8cs_source.html#l00040">40</a> of file <a class="el" href="_value_source_8cs_source.html">ValueSource.cs</a>.</p> |
| </div><h2 class="groupheader">Member Function Documentation</h2> |
| <a class="anchor" id="a20134fc1e0bb7739626e2434f95473ba"></a> |
| <div class="memitem"> |
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| <td class="mlabels-left"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">abstract System.String Lucene.Net.Search.Function.ValueSource.Description </td> |
| <td>(</td> |
| <td class="paramname"></td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </td> |
| <td class="mlabels-right"> |
| <span class="mlabels"><span class="mlabel">pure virtual</span></span> </td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| |
| <p>description of field, used in explain() </p> |
| |
| <p>Implemented in <a class="el" href="class_lucene_1_1_net_1_1_search_1_1_function_1_1_reverse_ord_field_source.html#a389c4a88048eef54b2ec3ad98b991de1">Lucene.Net.Search.Function.ReverseOrdFieldSource</a>, <a class="el" href="class_lucene_1_1_net_1_1_search_1_1_function_1_1_ord_field_source.html#a92330a1251633e032317e75ea60bb88c">Lucene.Net.Search.Function.OrdFieldSource</a>, <a class="el" href="class_lucene_1_1_net_1_1_search_1_1_function_1_1_byte_field_source.html#a7c0cd3cb9aa50b419ee4c8fffc728ba7">Lucene.Net.Search.Function.ByteFieldSource</a>, <a class="el" href="class_lucene_1_1_net_1_1_search_1_1_function_1_1_int_field_source.html#ab69553c9b9f5ce665904b053b0888e63">Lucene.Net.Search.Function.IntFieldSource</a>, <a class="el" href="class_lucene_1_1_net_1_1_search_1_1_function_1_1_short_field_source.html#aa8c11abbcbc28027f301609d6e929192">Lucene.Net.Search.Function.ShortFieldSource</a>, <a class="el" href="class_lucene_1_1_net_1_1_spatial_1_1_b_box_1_1_b_box_similarity_value_source.html#ad35208e7adb9edddc2357b5ccc32a875">Lucene.Net.Spatial.BBox.BBoxSimilarityValueSource</a>, <a class="el" href="class_lucene_1_1_net_1_1_search_1_1_function_1_1_float_field_source.html#ac49bd1d14efacbb611f8e3aee523496b">Lucene.Net.Search.Function.FloatFieldSource</a>, <a class="el" href="class_lucene_1_1_net_1_1_spatial_1_1_vector_1_1_distance_value_source.html#ac5de1042822b7f36472d41b8dc9baebd">Lucene.Net.Spatial.Vector.DistanceValueSource</a>, <a class="el" href="class_lucene_1_1_net_1_1_spatial_1_1_util_1_1_shape_field_cache_distance_value_source.html#a1ce4a6cf2fc9d2beb8a08ba2c67a10b8">Lucene.Net.Spatial.Util.ShapeFieldCacheDistanceValueSource</a>, <a class="el" href="class_lucene_1_1_net_1_1_spatial_1_1_util_1_1_caching_double_value_source.html#ada6828f0cdf4853dbfe52b1515b037cc">Lucene.Net.Spatial.Util.CachingDoubleValueSource</a>, <a class="el" href="class_lucene_1_1_net_1_1_spatial_1_1_util_1_1_reciprocal_float_function.html#a36c18d01a9d256376e570c99cb83b111">Lucene.Net.Spatial.Util.ReciprocalFloatFunction</a>, and <a class="el" href="class_lucene_1_1_net_1_1_search_1_1_function_1_1_field_cache_source.html#a979d5b10f64f9bb405895034be698e99">Lucene.Net.Search.Function.FieldCacheSource</a>.</p> |
| |
| </div> |
| </div> |
| <a class="anchor" id="aed70eaaa40d4170914f814a7ced188bc"></a> |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="mlabels"> |
| <tr> |
| <td class="mlabels-left"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">abstract override bool Lucene.Net.Search.Function.ValueSource.Equals </td> |
| <td>(</td> |
| <td class="paramtype">System.Object </td> |
| <td class="paramname"><em>o</em></td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </td> |
| <td class="mlabels-right"> |
| <span class="mlabels"><span class="mlabel">pure virtual</span></span> </td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| |
| <p>Needed for possible caching of query results - used by ValueSourceQuery.Equals(Object).</p> |
| <dl class="section see"><dt>See Also</dt><dd>Object.Equals(Object)</dd></dl> |
| |
| <p>Implemented in <a class="el" href="class_lucene_1_1_net_1_1_search_1_1_function_1_1_reverse_ord_field_source.html#a7bce615f341878b3e6ec37852d1d1962">Lucene.Net.Search.Function.ReverseOrdFieldSource</a>, <a class="el" href="class_lucene_1_1_net_1_1_search_1_1_function_1_1_ord_field_source.html#ac71b14a62c8c2be163afe65864933fdd">Lucene.Net.Search.Function.OrdFieldSource</a>, and <a class="el" href="class_lucene_1_1_net_1_1_search_1_1_function_1_1_field_cache_source.html#aa8d1aafc99da4bee2362dee44a2b8d02">Lucene.Net.Search.Function.FieldCacheSource</a>.</p> |
| |
| </div> |
| </div> |
| <a class="anchor" id="a614e97264e961aa7c769a6e592f30f09"></a> |
| <div class="memitem"> |
| <div class="memproto"> |
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| <tr> |
| <td class="mlabels-left"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">abstract override int Lucene.Net.Search.Function.ValueSource.GetHashCode </td> |
| <td>(</td> |
| <td class="paramname"></td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </td> |
| <td class="mlabels-right"> |
| <span class="mlabels"><span class="mlabel">pure virtual</span></span> </td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| |
| <p>Needed for possible caching of query results - used by <a class="el" href="class_lucene_1_1_net_1_1_search_1_1_function_1_1_value_source_query.html#a7f1a2a5b13e425af8014a6a838eeaa57" title="Returns a hash code value for this object. ">ValueSourceQuery.GetHashCode()</a>.</p> |
| <dl class="section see"><dt>See Also</dt><dd>Object.GetHashCode()</dd></dl> |
| |
| <p>Implemented in <a class="el" href="class_lucene_1_1_net_1_1_search_1_1_function_1_1_reverse_ord_field_source.html#ae99b29e22a9e0f8ad953499fcd92d9c9">Lucene.Net.Search.Function.ReverseOrdFieldSource</a>, <a class="el" href="class_lucene_1_1_net_1_1_search_1_1_function_1_1_ord_field_source.html#a4e77f9a9826446c95e69bb3d3f31ae18">Lucene.Net.Search.Function.OrdFieldSource</a>, <a class="el" href="class_lucene_1_1_net_1_1_spatial_1_1_b_box_1_1_b_box_similarity_value_source.html#ad2ad6e1a046b4dd4c90f8d890cdd8c69">Lucene.Net.Spatial.BBox.BBoxSimilarityValueSource</a>, <a class="el" href="class_lucene_1_1_net_1_1_spatial_1_1_vector_1_1_distance_value_source.html#a15d2096848ce2e385a7c697abf5be615">Lucene.Net.Spatial.Vector.DistanceValueSource</a>, <a class="el" href="class_lucene_1_1_net_1_1_spatial_1_1_util_1_1_shape_field_cache_distance_value_source.html#a4a680afd4d430fe038a70bfcfa34c1bb">Lucene.Net.Spatial.Util.ShapeFieldCacheDistanceValueSource</a>, <a class="el" href="class_lucene_1_1_net_1_1_spatial_1_1_util_1_1_caching_double_value_source.html#a1b3af1968788c91a5778953a5e24e8f0">Lucene.Net.Spatial.Util.CachingDoubleValueSource</a>, <a class="el" href="class_lucene_1_1_net_1_1_spatial_1_1_util_1_1_reciprocal_float_function.html#a3f7e342f5d069e431ff0234a378d07ff">Lucene.Net.Spatial.Util.ReciprocalFloatFunction</a>, and <a class="el" href="class_lucene_1_1_net_1_1_search_1_1_function_1_1_field_cache_source.html#a20c16e1f441c28eb9d939f1072083044">Lucene.Net.Search.Function.FieldCacheSource</a>.</p> |
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| <a class="anchor" id="a4fe47158939f191400db3b71dec5a61f"></a> |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="mlabels"> |
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| <td class="mlabels-left"> |
| <table class="memname"> |
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| <td class="memname">abstract <a class="el" href="class_lucene_1_1_net_1_1_search_1_1_function_1_1_doc_values.html">DocValues</a> Lucene.Net.Search.Function.ValueSource.GetValues </td> |
| <td>(</td> |
| <td class="paramtype"><a class="el" href="_more_like_this_8cs.html#a2a6914ea10bbe06764856e29e5674e66">IndexReader</a> </td> |
| <td class="paramname"><em>reader</em></td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </td> |
| <td class="mlabels-right"> |
| <span class="mlabels"><span class="mlabel">pure virtual</span></span> </td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
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| <p>Return the <a class="el" href="class_lucene_1_1_net_1_1_search_1_1_function_1_1_doc_values.html" title="Expert: represents field values as different types. Normally created via a ValueSuorce for a particul...">DocValues</a> used by the function query.</p> |
| <dl class="params"><dt>Parameters</dt><dd> |
| <table class="params"> |
| <tr><td class="paramname">reader</td><td>the IndexReader used to read these values. If any caching is involved, that caching would also be IndexReader based. </td></tr> |
| </table> |
| </dd> |
| </dl> |
| <p><throws> IOException for any error. </throws> </p> |
| |
| <p>Implemented in <a class="el" href="class_lucene_1_1_net_1_1_search_1_1_function_1_1_reverse_ord_field_source.html#a5e063733b8dec3fd411bdf8058bda869">Lucene.Net.Search.Function.ReverseOrdFieldSource</a>, <a class="el" href="class_lucene_1_1_net_1_1_search_1_1_function_1_1_ord_field_source.html#a43c9186a289f04ee30f35603bd51e4fd">Lucene.Net.Search.Function.OrdFieldSource</a>, <a class="el" href="class_lucene_1_1_net_1_1_spatial_1_1_b_box_1_1_b_box_similarity_value_source.html#a4e628e85acf8ef386f34f74e15c9dd26">Lucene.Net.Spatial.BBox.BBoxSimilarityValueSource</a>, <a class="el" href="class_lucene_1_1_net_1_1_spatial_1_1_vector_1_1_distance_value_source.html#a4c5406bafc2fe5dd472f79679e96f67b">Lucene.Net.Spatial.Vector.DistanceValueSource</a>, <a class="el" href="class_lucene_1_1_net_1_1_spatial_1_1_util_1_1_shape_field_cache_distance_value_source.html#a79c17b58d660e6ce99b54c8986a47940">Lucene.Net.Spatial.Util.ShapeFieldCacheDistanceValueSource</a>, <a class="el" href="class_lucene_1_1_net_1_1_spatial_1_1_util_1_1_caching_double_value_source.html#a0b0b92a5f08fd9d8562ab36d63439c12">Lucene.Net.Spatial.Util.CachingDoubleValueSource</a>, <a class="el" href="class_lucene_1_1_net_1_1_spatial_1_1_util_1_1_reciprocal_float_function.html#a471094f1f0def4ab13a093ad105968c9">Lucene.Net.Spatial.Util.ReciprocalFloatFunction</a>, and <a class="el" href="class_lucene_1_1_net_1_1_search_1_1_function_1_1_field_cache_source.html#a34fc77288528f7ca41e9a28f90215d40">Lucene.Net.Search.Function.FieldCacheSource</a>.</p> |
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| <a class="anchor" id="a502b061330d9e0ba6139ac58a4ffa0b9"></a> |
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| <td class="memname">override System.String Lucene.Net.Search.Function.ValueSource.ToString </td> |
| <td>(</td> |
| <td class="paramname"></td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| |
| <p>Definition at line <a class="el" href="_value_source_8cs_source.html#l00054">54</a> of file <a class="el" href="_value_source_8cs_source.html">ValueSource.cs</a>.</p> |
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| </div> |
| </div> |
| <hr/>The documentation for this class was generated from the following file:<ul> |
| <li>core/Search/Function/<a class="el" href="_value_source_8cs_source.html">ValueSource.cs</a></li> |
| </ul> |
| </div><!-- contents --> |
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