Example usage for org.apache.lucene.index MultiReader MultiReader

Introduction

In this page you can find the example usage for org.apache.lucene.index MultiReader MultiReader.

Prototype

MultiReader

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Usage

From source file:org.elasticsearch.search.aggregations.bucket.filters.FiltersAggregatorTests.java

License:Apache License

public void testParsedAsFilter() throws IOException {
    IndexReader indexReader = new MultiReader();
    IndexSearcher indexSearcher = newSearcher(indexReader);
    QueryBuilder filter = QueryBuilders.boolQuery().must(QueryBuilders.termQuery("field", "foo"))
            .should(QueryBuilders.termQuery("field", "bar"));
    FiltersAggregationBuilder builder = new FiltersAggregationBuilder("test", filter);
    AggregatorFactory<?> factory = createAggregatorFactory(builder, indexSearcher, fieldType);
    assertThat(factory, Matchers.instanceOf(FiltersAggregatorFactory.class));
    FiltersAggregatorFactory filtersFactory = (FiltersAggregatorFactory) factory;
    Query parsedQuery = filtersFactory.weights[0].getQuery();
    assertThat(parsedQuery, Matchers.instanceOf(BooleanQuery.class));
    assertEquals(2, ((BooleanQuery) parsedQuery).clauses().size());
    // means the bool query has been parsed as a filter, if it was a query minShouldMatch would
    // be 0/*  w  w w  .jav  a 2  s .  c  o m*/
    assertEquals(1, ((BooleanQuery) parsedQuery).getMinimumNumberShouldMatch());
}

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From source file:org.elasticsearch.search.aggregations.bucket.significant.SignificantTermsAggregatorTests.java

License:Apache License

public void testParsedAsFilter() throws IOException {
    IndexReader indexReader = new MultiReader();
    IndexSearcher indexSearcher = newSearcher(indexReader);
    QueryBuilder filter = QueryBuilders.boolQuery().must(QueryBuilders.termQuery("field", "foo"))
            .should(QueryBuilders.termQuery("field", "bar"));
    SignificantTermsAggregationBuilder builder = new SignificantTermsAggregationBuilder("test",
            ValueType.STRING).field("field").backgroundFilter(filter);
    AggregatorFactory<?> factory = createAggregatorFactory(builder, indexSearcher, fieldType);
    assertThat(factory, Matchers.instanceOf(SignificantTermsAggregatorFactory.class));
    SignificantTermsAggregatorFactory sigTermsFactory = (SignificantTermsAggregatorFactory) factory;
    Query parsedQuery = sigTermsFactory.filter;
    assertThat(parsedQuery, Matchers.instanceOf(BooleanQuery.class));
    assertEquals(2, ((BooleanQuery) parsedQuery).clauses().size());
    // means the bool query has been parsed as a filter, if it was a query minShouldMatch would
    // be 0/*w  w  w  . j av  a 2 s . c o m*/
    assertEquals(1, ((BooleanQuery) parsedQuery).getMinimumNumberShouldMatch());
}

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From source file:org.elasticsearch.search.aggregations.metrics.percentiles.hdr.HDRPercentileRanksAggregatorTests.java

License:Apache License

public void testEmpty() throws IOException {
    PercentileRanksAggregationBuilder aggBuilder = new PercentileRanksAggregationBuilder("my_agg")
            .field("field").method(PercentilesMethod.HDR).values(0.5);
    MappedFieldType fieldType = new NumberFieldMapper.NumberFieldType(NumberFieldMapper.NumberType.DOUBLE);
    fieldType.setName("field");
    try (IndexReader reader = new MultiReader()) {
        IndexSearcher searcher = new IndexSearcher(reader);
        PercentileRanks ranks = search(searcher, new MatchAllDocsQuery(), aggBuilder, fieldType);
        Percentile rank = ranks.iterator().next();
        assertEquals(Double.NaN, rank.getPercent(), 0d);
        assertEquals(0.5, rank.getValue(), 0d);
    }/*from   ww w .java  2  s.  c  o  m*/
}

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From source file:org.elasticsearch.search.aggregations.metrics.percentiles.tdigest.TDigestPercentileRanksAggregatorTests.java

License:Apache License

public void testEmpty() throws IOException {
    PercentileRanksAggregationBuilder aggBuilder = new PercentileRanksAggregationBuilder("my_agg")
            .field("field").method(PercentilesMethod.TDIGEST).values(0.5);
    MappedFieldType fieldType = new NumberFieldMapper.NumberFieldType(NumberFieldMapper.NumberType.DOUBLE);
    fieldType.setName("field");
    try (IndexReader reader = new MultiReader()) {
        IndexSearcher searcher = new IndexSearcher(reader);
        PercentileRanks ranks = search(searcher, new MatchAllDocsQuery(), aggBuilder, fieldType);
        Percentile rank = ranks.iterator().next();
        assertEquals(Double.NaN, rank.getPercent(), 0d);
        assertEquals(0.5, rank.getValue(), 0d);
    }/*from w w w. j ava  2 s  . co m*/
}

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From source file:org.elasticsearch.search.query.QueryPhaseTests.java

License:Apache License

public void testPostFilterDisablesCountOptimization() throws Exception {
    TestSearchContext context = new TestSearchContext();
    context.parsedQuery(new ParsedQuery(new MatchAllDocsQuery()));
    context.setSize(0);/*from   w  ww. j a  va 2  s.c o  m*/

    final AtomicBoolean collected = new AtomicBoolean();
    IndexSearcher contextSearcher = new IndexSearcher(new MultiReader()) {
        protected void search(List<LeafReaderContext> leaves, Weight weight, Collector collector)
                throws IOException {
            collected.set(true);
            super.search(leaves, weight, collector);
        }
    };

    QueryPhase.execute(context, contextSearcher);
    assertEquals(0, context.queryResult().topDocs().totalHits);
    assertFalse(collected.get());

    context.parsedPostFilter(new ParsedQuery(new MatchNoDocsQuery()));
    QueryPhase.execute(context, contextSearcher);
    assertEquals(0, context.queryResult().topDocs().totalHits);
    assertTrue(collected.get());
}

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From source file:org.elasticsearch.search.query.QueryPhaseTests.java

License:Apache License

public void testMinScoreDisablesCountOptimization() throws Exception {
    TestSearchContext context = new TestSearchContext();
    context.parsedQuery(new ParsedQuery(new MatchAllDocsQuery()));
    context.setSize(0);/*  w  w  w .j  a v a2  s.  c o  m*/

    final AtomicBoolean collected = new AtomicBoolean();
    IndexSearcher contextSearcher = new IndexSearcher(new MultiReader()) {
        protected void search(List<LeafReaderContext> leaves, Weight weight, Collector collector)
                throws IOException {
            collected.set(true);
            super.search(leaves, weight, collector);
        }
    };

    QueryPhase.execute(context, contextSearcher);
    assertEquals(0, context.queryResult().topDocs().totalHits);
    assertFalse(collected.get());

    context.minimumScore(1);
    QueryPhase.execute(context, contextSearcher);
    assertEquals(0, context.queryResult().topDocs().totalHits);
    assertTrue(collected.get());
}

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