本文整理汇总了C#中IndexWriter.DeleteAll方法的典型用法代码示例。如果您正苦于以下问题：C# IndexWriter.DeleteAll方法的具体用法？C# IndexWriter.DeleteAll怎么用？C# IndexWriter.DeleteAll使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类IndexWriter的用法示例。
在下文中一共展示了IndexWriter.DeleteAll方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: GenerateHighlights
/// <summary>
/// Annotates the given sequence of <see cref="Document"/> objects by adding a <b>_highlight</b> field;
/// the <b>_highlight</b> field will contain the best matching text fragment from the <see cref="Document"/>
/// object's full-text field.
/// </summary>
/// <param name="hits">The sequence of <see cref="Document"/> objects.</param>
/// <param name="criteria">The search criteria that produced the hits.</param>
/// <returns>
/// The original sequence of Document objects, with a <b>_highlight</b> field added to each Document.
/// </returns>
public static IEnumerable<Document> GenerateHighlights(this IEnumerable<Document> hits, SearchCriteria criteria)
{
if (hits == null)
throw new ArgumentNullException(nameof(hits));
if (criteria == null)
throw new ArgumentNullException(nameof(criteria));
if (String.IsNullOrWhiteSpace(criteria.Query))
throw new ArgumentException("SearchCriteria.Query cannot be empty");
var documents = hits.ToList();
try
{
var indexDirectory = new RAMDirectory();
var analyzer = new FullTextAnalyzer();
var config = new IndexWriterConfig(analyzer).SetRAMBufferSizeMB(_ramBufferSizeMB);
var writer = new IndexWriter(indexDirectory, config);
BuidIndex(documents, writer);
GenerateHighlights(documents, writer, criteria);
writer.DeleteAll();
writer.Commit();
writer.Close();
indexDirectory.Close();
}
catch (Exception ex)
{
_log.Error(ex);
}
return documents;
}