Example usage for org.apache.lucene.index Terms.Bucket getDocCount

Introduction

In this page you can find the example usage for org.apache.lucene.index Terms.Bucket getDocCount.

Prototype

public abstract int getDocCount() throws IOException;

Source Link

Document

Returns the number of documents that have at least one term for this field.

Usage

From source file:org.elasticsearch.search.aggregations.metrics.AvgIT.java

License:Apache License

@Override
public void testOrderByEmptyAggregation() throws Exception {
    SearchResponse searchResponse = client().prepareSearch("idx").setQuery(matchAllQuery())
            .addAggregation(/*from   w ww .j  a  va  2  s  .c  om*/
                    terms("terms").field("value").order(Order.compound(Order.aggregation("filter>avg", true)))
                            .subAggregation(filter("filter").filter(termQuery("value", 100))
                                    .subAggregation(avg("avg").field("value"))))
            .get();

    assertHitCount(searchResponse, 10);

    Terms terms = searchResponse.getAggregations().get("terms");
    assertThat(terms, notNullValue());
    List<Terms.Bucket> buckets = terms.getBuckets();
    assertThat(buckets, notNullValue());
    assertThat(buckets.size(), equalTo(10));

    for (int i = 0; i < 10; i++) {
        Terms.Bucket bucket = buckets.get(i);
        assertThat(bucket, notNullValue());
        assertThat(bucket.getKeyAsNumber(), equalTo((Number) Long.valueOf(i + 1)));
        assertThat(bucket.getDocCount(), equalTo(1L));
        Filter filter = bucket.getAggregations().get("filter");
        assertThat(filter, notNullValue());
        assertThat(filter.getDocCount(), equalTo(0L));
        Avg avg = filter.getAggregations().get("avg");
        assertThat(avg, notNullValue());
        assertThat(avg.value(), equalTo(Double.NaN));

    }
}

---

From source file:org.elasticsearch.search.aggregations.metrics.SumIT.java

License:Apache License

@Override
public void testOrderByEmptyAggregation() throws Exception {
    SearchResponse searchResponse = client().prepareSearch("idx").setQuery(matchAllQuery())
            .addAggregation(/*from   w ww .  j a va2 s .  co m*/
                    terms("terms").field("value").order(Order.compound(Order.aggregation("filter>sum", true)))
                            .subAggregation(filter("filter").filter(termQuery("value", 100))
                                    .subAggregation(sum("sum").field("value"))))
            .get();

    assertHitCount(searchResponse, 10);

    Terms terms = searchResponse.getAggregations().get("terms");
    assertThat(terms, notNullValue());
    List<Terms.Bucket> buckets = terms.getBuckets();
    assertThat(buckets, notNullValue());
    assertThat(buckets.size(), equalTo(10));

    for (int i = 0; i < 10; i++) {
        Terms.Bucket bucket = buckets.get(i);
        assertThat(bucket, notNullValue());
        assertThat(bucket.getKeyAsNumber(), equalTo((Number) Long.valueOf(i + 1)));
        assertThat(bucket.getDocCount(), equalTo(1L));
        Filter filter = bucket.getAggregations().get("filter");
        assertThat(filter, notNullValue());
        assertThat(filter.getDocCount(), equalTo(0L));
        Sum sum = filter.getAggregations().get("sum");
        assertThat(sum, notNullValue());
        assertThat(sum.value(), equalTo(0.0));

    }
}

---