Examples with IndexWriter org.apache.lucene.index.IndexWriter used on opensource projects

Example 66 with IndexWriter

use of org.apache.lucene.index.IndexWriter in project neo4j by neo4j.

the class LuceneDataSourceTest method testClosesOldestIndexWriterWhenCacheSizeIsExceeded.

@Test
public void testClosesOldestIndexWriterWhenCacheSizeIsExceeded() throws Throwable {
    addIndex("bar");
    addIndex("baz");
    Config config = Config.embeddedDefaults(cacheSizeConfig());
    dataSource = life.add(new LuceneDataSource(directory.graphDbDir(), config, indexStore, fileSystemRule.get()));
    IndexIdentifier fooIdentifier = identifier("foo");
    IndexIdentifier barIdentifier = identifier("bar");
    IndexIdentifier bazIdentifier = identifier("baz");
    IndexWriter fooIndexWriter = dataSource.getIndexSearcher(fooIdentifier).getWriter();
    dataSource.getIndexSearcher(barIdentifier);
    assertTrue(fooIndexWriter.isOpen());
    dataSource.getIndexSearcher(bazIdentifier);
    assertFalse(fooIndexWriter.isOpen());
}

Example 67 with IndexWriter

use of org.apache.lucene.index.IndexWriter in project neo4j-mobile-android by neo4j-contrib.

the class LuceneBatchInserterIndex method instantiateWriter.

private IndexWriter instantiateWriter(String directory) {
    try {
        IndexWriterConfig writerConfig = new IndexWriterConfig(LUCENE_VERSION, type.analyzer);
        writerConfig.setRAMBufferSizeMB(determineGoodBufferSize(writerConfig.getRAMBufferSizeMB()));
        IndexWriter writer = new IndexWriter(getDirectory(directory, identifier), writerConfig);
        return writer;
    } catch (IOException e) {
        throw new RuntimeException(e);
    }
}

Example 68 with IndexWriter

use of org.apache.lucene.index.IndexWriter in project neo4j-mobile-android by neo4j-contrib.

the class FullTxData method ensureLuceneDataInstantiated.

private void ensureLuceneDataInstantiated() {
    if (this.directory == null) {
        try {
            this.directory = new RAMDirectory();
            IndexWriterConfig writerConfig = new IndexWriterConfig(LUCENE_VERSION, index.type.analyzer);
            this.writer = new IndexWriter(directory, writerConfig);
        } catch (IOException e) {
            throw new RuntimeException(e);
        }
    }
}

Example 69 with IndexWriter

use of org.apache.lucene.index.IndexWriter in project neo4j by neo4j.

the class NodeRangeDocumentLabelScanStorageStrategyTest method shouldUpdateDocumentsForReLabeledNodes.

@Test
public void shouldUpdateDocumentsForReLabeledNodes() throws Exception {
    // given
    Document givenDoc = new Document();
    format.addRangeValuesField(givenDoc, 0);
    format.addLabelFields(givenDoc, "7", 0x70L);
    WritableDatabaseLabelScanIndex index = mock(WritableDatabaseLabelScanIndex.class);
    IndexWriter indexWriter = mock(IndexWriter.class);
    WritableIndexPartition partition = newIndexPartitionMock(indexWriter, givenDoc);
    when(index.getPartitions()).thenReturn(Collections.singletonList(partition));
    LabelScanWriter writer = new PartitionedLuceneLabelScanWriter(index, format);
    // when
    writer.write(labelChanges(0, labels(), labels(7, 8)));
    writer.close();
    // then
    Document thenDoc = new Document();
    format.addRangeValuesField(thenDoc, 0);
    format.addLabelFields(thenDoc, "7", 0x71L);
    format.addLabelAndSearchFields(thenDoc, 8, new Bitmap(0x01L));
    verify(indexWriter).updateDocument(eq(format.rangeTerm(0)), match(thenDoc));
}

Example 70 with IndexWriter

use of org.apache.lucene.index.IndexWriter in project neo4j by neo4j.

the class NodeRangeDocumentLabelScanStorageStrategyTest method shouldUpdateDocumentToReflectLabelsAfterRegardlessOfPreviousContent.

@Test
public void shouldUpdateDocumentToReflectLabelsAfterRegardlessOfPreviousContent() throws Exception {
    // given
    IndexWriter indexWriter = mock(IndexWriter.class);
    Document doc = document(format.rangeField(0), format.labelField(6, 0x1), format.labelField(7, 0x1));
    WritableIndexPartition partition = newIndexPartitionMock(indexWriter, doc);
    WritableDatabaseLabelScanIndex index = buildLuceneIndex(partition);
    LabelScanWriter writer = new PartitionedLuceneLabelScanWriter(index, format);
    // when
    writer.write(labelChanges(0, labels(7), labels(7, 8)));
    writer.close();
    // then
    verify(indexWriter).updateDocument(eq(format.rangeTerm(0)), match(document(format.rangeField(0), format.labelField(7, 0x01), format.labelField(8, 0x01), format.labelSearchField(7), format.labelSearchField(8))));
}