Examples with Directory org.apache.lucene.store.Directory used on opensource projects

Example 16 with Directory

use of org.apache.lucene.store.Directory in project elasticsearch by elastic.

the class ValueCountAggregatorTests method testCase.

private void testCase(Query query, ValueType valueType, CheckedConsumer<RandomIndexWriter, IOException> indexer, Consumer<ValueCount> verify) throws IOException {
    try (Directory directory = newDirectory()) {
        try (RandomIndexWriter indexWriter = new RandomIndexWriter(random(), directory)) {
            indexer.accept(indexWriter);
        }
        try (IndexReader indexReader = DirectoryReader.open(directory)) {
            IndexSearcher indexSearcher = newSearcher(indexReader, true, true);
            MappedFieldType fieldType = createMappedFieldType(valueType);
            fieldType.setName(FIELD_NAME);
            fieldType.setHasDocValues(true);
            ValueCountAggregationBuilder aggregationBuilder = new ValueCountAggregationBuilder("_name", valueType);
            aggregationBuilder.field(FIELD_NAME);
            try (ValueCountAggregator aggregator = createAggregator(aggregationBuilder, indexSearcher, fieldType)) {
                aggregator.preCollection();
                indexSearcher.search(query, aggregator);
                aggregator.postCollection();
                verify.accept((ValueCount) aggregator.buildAggregation(0L));
            }
        }
    }
}

Example 17 with Directory

use of org.apache.lucene.store.Directory in project elasticsearch by elastic.

the class HDRPercentileRanksAggregatorTests method testSimple.

public void testSimple() throws IOException {
    try (Directory dir = newDirectory();
        RandomIndexWriter w = new RandomIndexWriter(random(), dir)) {
        for (double value : new double[] { 3, 0.2, 10 }) {
            Document doc = new Document();
            doc.add(new SortedNumericDocValuesField("field", NumericUtils.doubleToSortableLong(value)));
            w.addDocument(doc);
        }
        PercentileRanksAggregationBuilder aggBuilder = new PercentileRanksAggregationBuilder("my_agg").field("field").method(PercentilesMethod.HDR).values(0.1, 0.5, 12);
        MappedFieldType fieldType = new NumberFieldMapper.NumberFieldType(NumberFieldMapper.NumberType.DOUBLE);
        fieldType.setName("field");
        try (IndexReader reader = w.getReader()) {
            IndexSearcher searcher = new IndexSearcher(reader);
            PercentileRanks ranks = search(searcher, new MatchAllDocsQuery(), aggBuilder, fieldType);
            Iterator<Percentile> rankIterator = ranks.iterator();
            Percentile rank = rankIterator.next();
            assertEquals(0.1, rank.getValue(), 0d);
            assertThat(rank.getPercent(), Matchers.equalTo(0d));
            rank = rankIterator.next();
            assertEquals(0.5, rank.getValue(), 0d);
            assertThat(rank.getPercent(), Matchers.greaterThan(0d));
            assertThat(rank.getPercent(), Matchers.lessThan(100d));
            rank = rankIterator.next();
            assertEquals(12, rank.getValue(), 0d);
            assertThat(rank.getPercent(), Matchers.equalTo(100d));
            assertFalse(rankIterator.hasNext());
        }
    }
}

Example 18 with Directory

use of org.apache.lucene.store.Directory in project elasticsearch by elastic.

the class TDigestPercentileRanksAggregatorTests method testSimple.

public void testSimple() throws IOException {
    try (Directory dir = newDirectory();
        RandomIndexWriter w = new RandomIndexWriter(random(), dir)) {
        for (double value : new double[] { 3, 0.2, 10 }) {
            Document doc = new Document();
            doc.add(new SortedNumericDocValuesField("field", NumericUtils.doubleToSortableLong(value)));
            w.addDocument(doc);
        }
        PercentileRanksAggregationBuilder aggBuilder = new PercentileRanksAggregationBuilder("my_agg").field("field").method(PercentilesMethod.TDIGEST).values(0.1, 0.5, 12);
        MappedFieldType fieldType = new NumberFieldMapper.NumberFieldType(NumberFieldMapper.NumberType.DOUBLE);
        fieldType.setName("field");
        try (IndexReader reader = w.getReader()) {
            IndexSearcher searcher = new IndexSearcher(reader);
            PercentileRanks ranks = search(searcher, new MatchAllDocsQuery(), aggBuilder, fieldType);
            Iterator<Percentile> rankIterator = ranks.iterator();
            Percentile rank = rankIterator.next();
            assertEquals(0.1, rank.getValue(), 0d);
            // TODO: Fix T-Digest: this assertion should pass but we currently get ~15
            // https://github.com/elastic/elasticsearch/issues/14851
            // assertThat(rank.getPercent(), Matchers.equalTo(0d));
            rank = rankIterator.next();
            assertEquals(0.5, rank.getValue(), 0d);
            assertThat(rank.getPercent(), Matchers.greaterThan(0d));
            assertThat(rank.getPercent(), Matchers.lessThan(100d));
            rank = rankIterator.next();
            assertEquals(12, rank.getValue(), 0d);
            // TODO: Fix T-Digest: this assertion should pass but we currently get ~59
            // https://github.com/elastic/elasticsearch/issues/14851
            // assertThat(rank.getPercent(), Matchers.equalTo(100d));
            assertFalse(rankIterator.hasNext());
        }
    }
}

Example 19 with Directory

use of org.apache.lucene.store.Directory in project elasticsearch by elastic.

the class ScriptedMetricAggregatorTests method testScriptedMetricWithoutCombine.

/**
     * without combine script, the "_aggs" map should contain a list of the size of the number of documents matched
     */
@SuppressWarnings("unchecked")
public void testScriptedMetricWithoutCombine() throws IOException {
    try (Directory directory = newDirectory()) {
        int numDocs = randomInt(100);
        try (RandomIndexWriter indexWriter = new RandomIndexWriter(random(), directory)) {
            for (int i = 0; i < numDocs; i++) {
                indexWriter.addDocument(singleton(new SortedNumericDocValuesField("number", i)));
            }
        }
        try (IndexReader indexReader = DirectoryReader.open(directory)) {
            ScriptedMetricAggregationBuilder aggregationBuilder = new ScriptedMetricAggregationBuilder(AGG_NAME);
            aggregationBuilder.initScript(INIT_SCRIPT).mapScript(MAP_SCRIPT);
            ScriptedMetric scriptedMetric = search(newSearcher(indexReader, true, true), new MatchAllDocsQuery(), aggregationBuilder);
            assertEquals(AGG_NAME, scriptedMetric.getName());
            assertNotNull(scriptedMetric.aggregation());
            Map<String, Object> agg = (Map<String, Object>) scriptedMetric.aggregation();
            assertEquals(numDocs, ((List<Integer>) agg.get("collector")).size());
        }
    }
}

Example 20 with Directory

use of org.apache.lucene.store.Directory in project elasticsearch by elastic.

the class ScriptedMetricAggregatorTests method testNoDocs.

@SuppressWarnings("unchecked")
public void testNoDocs() throws IOException {
    try (Directory directory = newDirectory()) {
        try (RandomIndexWriter indexWriter = new RandomIndexWriter(random(), directory)) {
        // intentionally not writing any docs
        }
        try (IndexReader indexReader = DirectoryReader.open(directory)) {
            ScriptedMetricAggregationBuilder aggregationBuilder = new ScriptedMetricAggregationBuilder(AGG_NAME);
            // map script is mandatory, even if its not used in this case
            aggregationBuilder.mapScript(MAP_SCRIPT);
            ScriptedMetric scriptedMetric = search(newSearcher(indexReader, true, true), new MatchAllDocsQuery(), aggregationBuilder);
            assertEquals(AGG_NAME, scriptedMetric.getName());
            assertNotNull(scriptedMetric.aggregation());
            assertEquals(0, ((HashMap<Object, String>) scriptedMetric.aggregation()).size());
        }
    }
}