/// <summary>
/// 更新索引
/// </summary>
/// <param name="changeset">实体</param>
public void Update(LuceneIndexChangeset changeset)
{
var config = new IndexWriterConfig(Lucene.Net.Util.LuceneVersion.LUCENE_48, _analyzer);
using var writer = new IndexWriter(_directory, config);
foreach (var change in changeset.Entries)
{
switch (change.State)
{
case LuceneIndexState.Added:
writer.AddDocument(change.Entity.ToDocument());
break;
case LuceneIndexState.Removed:
writer.DeleteDocuments(new Term("IndexId", change.Entity.IndexId));
break;
case LuceneIndexState.Updated:
writer.UpdateDocument(new Term("IndexId", change.Entity.IndexId), change.Entity.ToDocument());
break;
}
}
writer.Flush(true, changeset.HasDeletes);
}
/// <summary>
/// 删除索引
/// </summary>
/// <param name="entries">实体集</param>
public void Delete <T>(List <T> entries) where T : ILuceneIndexable
{
var set = new LuceneIndexChangeset
{
Entries = entries.Select(e => new LuceneIndexChange(e, LuceneIndexState.Removed)).ToList()
};
Update(set);
}
/// <summary>
/// 更新索引
/// </summary>
/// <param name="change">实体</param>
public void Update(LuceneIndexChange change)
{
var changeset = new LuceneIndexChangeset(change);
Update(changeset);
}