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

Example 46 with IndexWriter

use of org.apache.lucene.index.IndexWriter in project elasticsearch by elastic.

the class IndicesQueryCacheTests method testBasics.

public void testBasics() throws IOException {
    Directory dir = newDirectory();
    IndexWriter w = new IndexWriter(dir, newIndexWriterConfig());
    w.addDocument(new Document());
    DirectoryReader r = DirectoryReader.open(w);
    w.close();
    ShardId shard = new ShardId("index", "_na_", 0);
    r = ElasticsearchDirectoryReader.wrap(r, shard);
    IndexSearcher s = new IndexSearcher(r);
    s.setQueryCachingPolicy(QueryCachingPolicy.ALWAYS_CACHE);
    Settings settings = Settings.builder().put(IndicesQueryCache.INDICES_CACHE_QUERY_COUNT_SETTING.getKey(), 10).put(IndicesQueryCache.INDICES_QUERIES_CACHE_ALL_SEGMENTS_SETTING.getKey(), true).build();
    IndicesQueryCache cache = new IndicesQueryCache(settings);
    s.setQueryCache(cache);
    QueryCacheStats stats = cache.getStats(shard);
    assertEquals(0L, stats.getCacheSize());
    assertEquals(0L, stats.getCacheCount());
    assertEquals(0L, stats.getHitCount());
    assertEquals(0L, stats.getMissCount());
    assertEquals(1, s.count(new DummyQuery(0)));
    stats = cache.getStats(shard);
    assertEquals(1L, stats.getCacheSize());
    assertEquals(1L, stats.getCacheCount());
    assertEquals(0L, stats.getHitCount());
    assertEquals(1L, stats.getMissCount());
    for (int i = 1; i < 20; ++i) {
        assertEquals(1, s.count(new DummyQuery(i)));
    }
    stats = cache.getStats(shard);
    assertEquals(10L, stats.getCacheSize());
    assertEquals(20L, stats.getCacheCount());
    assertEquals(0L, stats.getHitCount());
    assertEquals(20L, stats.getMissCount());
    s.count(new DummyQuery(10));
    stats = cache.getStats(shard);
    assertEquals(10L, stats.getCacheSize());
    assertEquals(20L, stats.getCacheCount());
    assertEquals(1L, stats.getHitCount());
    assertEquals(20L, stats.getMissCount());
    IOUtils.close(r, dir);
    // got emptied, but no changes to other metrics
    stats = cache.getStats(shard);
    assertEquals(0L, stats.getCacheSize());
    assertEquals(20L, stats.getCacheCount());
    assertEquals(1L, stats.getHitCount());
    assertEquals(20L, stats.getMissCount());
    cache.onClose(shard);
    // forgot everything
    stats = cache.getStats(shard);
    assertEquals(0L, stats.getCacheSize());
    assertEquals(0L, stats.getCacheCount());
    assertEquals(0L, stats.getHitCount());
    assertEquals(0L, stats.getMissCount());
    // this triggers some assertions
    cache.close();
}

Example 47 with IndexWriter

use of org.apache.lucene.index.IndexWriter in project elasticsearch by elastic.

the class AbstractTermVectorsTestCase method indexDocsWithLucene.

protected DirectoryReader indexDocsWithLucene(TestDoc[] testDocs) throws IOException {
    Map<String, Analyzer> mapping = new HashMap<>();
    for (TestFieldSetting field : testDocs[0].fieldSettings) {
        if (field.storedPayloads) {
            mapping.put(field.name, new Analyzer() {

                @Override
                protected TokenStreamComponents createComponents(String fieldName) {
                    Tokenizer tokenizer = new StandardTokenizer();
                    TokenFilter filter = new LowerCaseFilter(tokenizer);
                    filter = new TypeAsPayloadTokenFilter(filter);
                    return new TokenStreamComponents(tokenizer, filter);
                }
            });
        }
    }
    PerFieldAnalyzerWrapper wrapper = new PerFieldAnalyzerWrapper(new StandardAnalyzer(CharArraySet.EMPTY_SET), mapping);
    Directory dir = new RAMDirectory();
    IndexWriterConfig conf = new IndexWriterConfig(wrapper);
    conf.setOpenMode(IndexWriterConfig.OpenMode.CREATE);
    IndexWriter writer = new IndexWriter(dir, conf);
    for (TestDoc doc : testDocs) {
        Document d = new Document();
        d.add(new Field("id", doc.id, StringField.TYPE_STORED));
        for (int i = 0; i < doc.fieldContent.length; i++) {
            FieldType type = new FieldType(TextField.TYPE_STORED);
            TestFieldSetting fieldSetting = doc.fieldSettings[i];
            type.setStoreTermVectorOffsets(fieldSetting.storedOffset);
            type.setStoreTermVectorPayloads(fieldSetting.storedPayloads);
            type.setStoreTermVectorPositions(fieldSetting.storedPositions || fieldSetting.storedPayloads || fieldSetting.storedOffset);
            type.setStoreTermVectors(true);
            type.freeze();
            d.add(new Field(fieldSetting.name, doc.fieldContent[i], type));
        }
        writer.updateDocument(new Term("id", doc.id), d);
        writer.commit();
    }
    writer.close();
    return DirectoryReader.open(dir);
}

Example 48 with IndexWriter

use of org.apache.lucene.index.IndexWriter in project elasticsearch by elastic.

the class TermVectorsUnitTests method writeEmptyTermVector.

private void writeEmptyTermVector(TermVectorsResponse outResponse) throws IOException {
    Directory dir = newDirectory();
    IndexWriterConfig conf = new IndexWriterConfig(new StandardAnalyzer());
    conf.setOpenMode(OpenMode.CREATE);
    IndexWriter writer = new IndexWriter(dir, conf);
    FieldType type = new FieldType(TextField.TYPE_STORED);
    type.setStoreTermVectorOffsets(true);
    type.setStoreTermVectorPayloads(false);
    type.setStoreTermVectorPositions(true);
    type.setStoreTermVectors(true);
    type.freeze();
    Document d = new Document();
    d.add(new Field("id", "abc", StringField.TYPE_STORED));
    writer.updateDocument(new Term("id", "abc"), d);
    writer.commit();
    writer.close();
    DirectoryReader dr = DirectoryReader.open(dir);
    IndexSearcher s = new IndexSearcher(dr);
    TopDocs search = s.search(new TermQuery(new Term("id", "abc")), 1);
    ScoreDoc[] scoreDocs = search.scoreDocs;
    int doc = scoreDocs[0].doc;
    Fields fields = dr.getTermVectors(doc);
    EnumSet<Flag> flags = EnumSet.of(Flag.Positions, Flag.Offsets);
    outResponse.setFields(fields, null, flags, fields);
    outResponse.setExists(true);
    dr.close();
    dir.close();
}

Example 49 with IndexWriter

use of org.apache.lucene.index.IndexWriter in project elasticsearch by elastic.

the class TermVectorsUnitTests method writeStandardTermVector.

private void writeStandardTermVector(TermVectorsResponse outResponse) throws IOException {
    Directory dir = newDirectory();
    IndexWriterConfig conf = new IndexWriterConfig(new StandardAnalyzer());
    conf.setOpenMode(OpenMode.CREATE);
    IndexWriter writer = new IndexWriter(dir, conf);
    FieldType type = new FieldType(TextField.TYPE_STORED);
    type.setStoreTermVectorOffsets(true);
    type.setStoreTermVectorPayloads(false);
    type.setStoreTermVectorPositions(true);
    type.setStoreTermVectors(true);
    type.freeze();
    Document d = new Document();
    d.add(new Field("id", "abc", StringField.TYPE_STORED));
    d.add(new Field("title", "the1 quick brown fox jumps over  the1 lazy dog", type));
    d.add(new Field("desc", "the1 quick brown fox jumps over  the1 lazy dog", type));
    writer.updateDocument(new Term("id", "abc"), d);
    writer.commit();
    writer.close();
    DirectoryReader dr = DirectoryReader.open(dir);
    IndexSearcher s = new IndexSearcher(dr);
    TopDocs search = s.search(new TermQuery(new Term("id", "abc")), 1);
    ScoreDoc[] scoreDocs = search.scoreDocs;
    int doc = scoreDocs[0].doc;
    Fields termVectors = dr.getTermVectors(doc);
    EnumSet<Flag> flags = EnumSet.of(Flag.Positions, Flag.Offsets);
    outResponse.setFields(termVectors, null, flags, termVectors);
    dr.close();
    dir.close();
}

Example 50 with IndexWriter

use of org.apache.lucene.index.IndexWriter in project elasticsearch by elastic.

the class StoreRecovery method addIndices.

void addIndices(RecoveryState.Index indexRecoveryStats, Directory target, Directory... sources) throws IOException {
    target = new org.apache.lucene.store.HardlinkCopyDirectoryWrapper(target);
    try (IndexWriter writer = new IndexWriter(new StatsDirectoryWrapper(target, indexRecoveryStats), new IndexWriterConfig(null).setCommitOnClose(false).setMergePolicy(NoMergePolicy.INSTANCE).setOpenMode(IndexWriterConfig.OpenMode.CREATE))) {
        writer.addIndexes(sources);
        writer.commit();
    }
}