C# (CSharp) Lucene.Net.Index TrackingIndexWriter.DeleteDocuments示例

示例#1

        public virtual void TestDeleteDocuments()
        {
            Directory directory = CreateIndex();

            IndexWriter writer = GetWriter(directory);

            ReferenceManager <IndexSearcher> mgr = new SearcherManager(writer, true, new SearcherFactory());

            IndexSearcher searcher = mgr.Acquire();

            TopDocs topDocs = searcher.Search(new TermQuery(new Term("foo", "0")), 100);

            Assert.AreEqual(1, topDocs.TotalHits);

            TrackingIndexWriter mgrWriter = new TrackingIndexWriter(writer);
            long result = mgrWriter.DeleteDocuments(new TermQuery(new Term("foo", "0")));

            Assert.AreEqual(1, result);

            // writer.Commit();

            Assert.IsTrue(writer.HasDeletions());

            mgr.MaybeRefresh();

            searcher = mgr.Acquire();

            topDocs = searcher.Search(new TermQuery(new Term("foo", "0")), 100);

            Assert.AreEqual(0, topDocs.TotalHits);
        }

示例#2

文件： TestTryDelete.cs 项目： Cefa68000/lucenenet

        public virtual void TestDeleteDocuments()
        {
            Directory directory = CreateIndex();

            IndexWriter writer = GetWriter(directory);

            ReferenceManager<IndexSearcher> mgr = new SearcherManager(writer, true, new SearcherFactory());

            IndexSearcher searcher = mgr.Acquire();

            TopDocs topDocs = searcher.Search(new TermQuery(new Term("foo", "0")), 100);
            Assert.AreEqual(1, topDocs.TotalHits);

            TrackingIndexWriter mgrWriter = new TrackingIndexWriter(writer);
            long result = mgrWriter.DeleteDocuments(new TermQuery(new Term("foo", "0")));

            Assert.AreEqual(1, result);

            // writer.Commit();

            Assert.IsTrue(writer.HasDeletions());

            mgr.MaybeRefresh();

            searcher = mgr.Acquire();

            topDocs = searcher.Search(new TermQuery(new Term("foo", "0")), 100);

            Assert.AreEqual(0, topDocs.TotalHits);
        }