Examples with SearcherFactory org.apache.lucene.search.SearcherFactory used on opensource projects

Example 1 with SearcherFactory

use of org.apache.lucene.search.SearcherFactory in project neo4j by neo4j.

the class SimpleUniquenessVerifierTest method initLuceneResources.

@Before
public void initLuceneResources() throws Exception {
    dirFactory = new DirectoryFactory.InMemoryDirectoryFactory();
    Directory dir = dirFactory.open(testDir.directory("test"));
    writer = new IndexWriter(dir, IndexWriterConfigs.standard());
    searcherManager = new SearcherManager(writer, true, new SearcherFactory());
}

Example 2 with SearcherFactory

use of org.apache.lucene.search.SearcherFactory in project lucene-solr by apache.

the class TestTryDelete method testTryDeleteDocument.

public void testTryDeleteDocument() throws IOException {
    Directory directory = createIndex();
    IndexWriter writer = getWriter(directory);
    ReferenceManager<IndexSearcher> mgr = new SearcherManager(writer, new SearcherFactory());
    IndexSearcher searcher = mgr.acquire();
    TopDocs topDocs = searcher.search(new TermQuery(new Term("foo", "0")), 100);
    assertEquals(1, topDocs.totalHits);
    long result;
    if (random().nextBoolean()) {
        IndexReader r = DirectoryReader.open(writer);
        result = writer.tryDeleteDocument(r, 0);
        r.close();
    } else {
        result = writer.tryDeleteDocument(searcher.getIndexReader(), 0);
    }
    // The tryDeleteDocument should have succeeded:
    assertTrue(result != -1);
    assertTrue(writer.hasDeletions());
    if (random().nextBoolean()) {
        writer.commit();
    }
    assertTrue(writer.hasDeletions());
    mgr.maybeRefresh();
    searcher = mgr.acquire();
    topDocs = searcher.search(new TermQuery(new Term("foo", "0")), 100);
    assertEquals(0, topDocs.totalHits);
}

Example 3 with SearcherFactory

use of org.apache.lucene.search.SearcherFactory in project lucene-solr by apache.

the class TestTryDelete method testTryDeleteDocumentCloseAndReopen.

public void testTryDeleteDocumentCloseAndReopen() throws IOException {
    Directory directory = createIndex();
    IndexWriter writer = getWriter(directory);
    ReferenceManager<IndexSearcher> mgr = new SearcherManager(writer, new SearcherFactory());
    IndexSearcher searcher = mgr.acquire();
    TopDocs topDocs = searcher.search(new TermQuery(new Term("foo", "0")), 100);
    assertEquals(1, topDocs.totalHits);
    long result = writer.tryDeleteDocument(DirectoryReader.open(writer), 0);
    assertTrue(result != -1);
    writer.commit();
    assertTrue(writer.hasDeletions());
    mgr.maybeRefresh();
    searcher = mgr.acquire();
    topDocs = searcher.search(new TermQuery(new Term("foo", "0")), 100);
    assertEquals(0, topDocs.totalHits);
    writer.close();
    searcher = new IndexSearcher(DirectoryReader.open(directory));
    topDocs = searcher.search(new TermQuery(new Term("foo", "0")), 100);
    assertEquals(0, topDocs.totalHits);
}

Example 4 with SearcherFactory

use of org.apache.lucene.search.SearcherFactory in project che by eclipse.

the class LuceneSearcher method doInit.

protected final synchronized void doInit() throws ServerException {
    try {
        luceneIndexWriter = new IndexWriter(makeDirectory(), new IndexWriterConfig(makeAnalyzer()));
        searcherManager = new SearcherManager(luceneIndexWriter, true, new SearcherFactory());
        closed = false;
    } catch (IOException e) {
        throw new ServerException(e);
    }
}

Example 5 with SearcherFactory

use of org.apache.lucene.search.SearcherFactory in project neo4j by neo4j.

the class AllNodesCollector method getAllNodes.

public static List<Long> getAllNodes(Directory directory, Object propertyValue) throws IOException {
    try (SearcherManager manager = new SearcherManager(directory, new SearcherFactory())) {
        IndexSearcher searcher = manager.acquire();
        Query query = LuceneDocumentStructure.newSeekQuery(propertyValue);
        AllNodesCollector collector = new AllNodesCollector();
        searcher.search(query, collector);
        return collector.nodeIds;
    }
}