Examples with Histogram org.elasticsearch.search.aggregations.bucket.histogram.Histogram used on opensource projects

Example 26 with Histogram

use of org.elasticsearch.search.aggregations.bucket.histogram.Histogram in project elasticsearch by elastic.

the class HistogramIT method testSingleValuedFieldOrderedByCountDesc.

public void testSingleValuedFieldOrderedByCountDesc() throws Exception {
    SearchResponse response = client().prepareSearch("idx").addAggregation(histogram("histo").field(SINGLE_VALUED_FIELD_NAME).interval(interval).order(Histogram.Order.COUNT_DESC)).execute().actionGet();
    assertSearchResponse(response);
    Histogram histo = response.getAggregations().get("histo");
    assertThat(histo, notNullValue());
    assertThat(histo.getName(), equalTo("histo"));
    assertThat(histo.getBuckets().size(), equalTo(numValueBuckets));
    LongHashSet buckets = new LongHashSet();
    // TODO: use diamond once JI-9019884 is fixed
    List<Histogram.Bucket> histoBuckets = new ArrayList<>(histo.getBuckets());
    long previousCount = Long.MAX_VALUE;
    for (int i = 0; i < numValueBuckets; ++i) {
        Histogram.Bucket bucket = histoBuckets.get(i);
        assertThat(bucket, notNullValue());
        long key = ((Number) bucket.getKey()).longValue();
        assertEquals(0, key % interval);
        assertTrue(buckets.add(key));
        assertThat(bucket.getDocCount(), equalTo(valueCounts[(int) (key / interval)]));
        assertThat(bucket.getDocCount(), lessThanOrEqualTo(previousCount));
        previousCount = bucket.getDocCount();
    }
}

Example 27 with Histogram

use of org.elasticsearch.search.aggregations.bucket.histogram.Histogram in project elasticsearch by elastic.

the class HistogramIT method testsingleValuedFieldOrderedByKeyDesc.

public void testsingleValuedFieldOrderedByKeyDesc() throws Exception {
    SearchResponse response = client().prepareSearch("idx").addAggregation(histogram("histo").field(SINGLE_VALUED_FIELD_NAME).interval(interval).order(Histogram.Order.KEY_DESC)).execute().actionGet();
    assertSearchResponse(response);
    Histogram histo = response.getAggregations().get("histo");
    assertThat(histo, notNullValue());
    assertThat(histo.getName(), equalTo("histo"));
    assertThat(histo.getBuckets().size(), equalTo(numValueBuckets));
    // TODO: use diamond once JI-9019884 is fixed
    List<Histogram.Bucket> buckets = new ArrayList<>(histo.getBuckets());
    for (int i = 0; i < numValueBuckets; ++i) {
        Histogram.Bucket bucket = buckets.get(numValueBuckets - i - 1);
        assertThat(bucket, notNullValue());
        assertThat(((Number) bucket.getKey()).longValue(), equalTo((long) i * interval));
        assertThat(bucket.getDocCount(), equalTo(valueCounts[i]));
    }
}

Example 28 with Histogram

use of org.elasticsearch.search.aggregations.bucket.histogram.Histogram in project elasticsearch by elastic.

the class HistogramIT method testMultiValuedFieldWithValueScript.

public void testMultiValuedFieldWithValueScript() throws Exception {
    SearchResponse response = client().prepareSearch("idx").addAggregation(histogram("histo").field(MULTI_VALUED_FIELD_NAME).script(new Script(ScriptType.INLINE, CustomScriptPlugin.NAME, "_value + 1", emptyMap())).interval(interval)).execute().actionGet();
    assertSearchResponse(response);
    final int numBuckets = (numDocs + 2) / interval - 2 / interval + 1;
    final long[] counts = new long[(numDocs + 2) / interval + 1];
    for (int i = 0; i < numDocs; ++i) {
        final int bucket1 = (i + 2) / interval;
        final int bucket2 = (i + 3) / interval;
        ++counts[bucket1];
        if (bucket1 != bucket2) {
            ++counts[bucket2];
        }
    }
    Histogram histo = response.getAggregations().get("histo");
    assertThat(histo, notNullValue());
    assertThat(histo.getName(), equalTo("histo"));
    List<? extends Bucket> buckets = histo.getBuckets();
    assertThat(buckets.size(), equalTo(numBuckets));
    for (int i = 0; i < numBuckets; i++) {
        Histogram.Bucket bucket = buckets.get(i);
        assertThat(bucket, notNullValue());
        int key = ((2 / interval) + i) * interval;
        assertThat(((Number) bucket.getKey()).longValue(), equalTo((long) key));
        assertThat(bucket.getDocCount(), equalTo(counts[key / interval]));
    }
}

Example 29 with Histogram

use of org.elasticsearch.search.aggregations.bucket.histogram.Histogram in project elasticsearch by elastic.

the class HistogramIT method testScriptSingleValue.

public void testScriptSingleValue() throws Exception {
    SearchResponse response = client().prepareSearch("idx").addAggregation(histogram("histo").script(new Script(ScriptType.INLINE, CustomScriptPlugin.NAME, "doc['l_value'].value", emptyMap())).interval(interval)).execute().actionGet();
    assertSearchResponse(response);
    Histogram histo = response.getAggregations().get("histo");
    assertThat(histo, notNullValue());
    assertThat(histo.getName(), equalTo("histo"));
    List<? extends Bucket> buckets = histo.getBuckets();
    assertThat(buckets.size(), equalTo(numValueBuckets));
    for (int i = 0; i < numValueBuckets; ++i) {
        Histogram.Bucket bucket = buckets.get(i);
        assertThat(bucket, notNullValue());
        assertThat(((Number) bucket.getKey()).longValue(), equalTo((long) i * interval));
        assertThat(bucket.getDocCount(), equalTo(valueCounts[i]));
    }
}

Example 30 with Histogram

use of org.elasticsearch.search.aggregations.bucket.histogram.Histogram in project elasticsearch by elastic.

the class HistogramIT method testPartiallyUnmapped.

public void testPartiallyUnmapped() throws Exception {
    SearchResponse response = client().prepareSearch("idx", "idx_unmapped").addAggregation(histogram("histo").field(SINGLE_VALUED_FIELD_NAME).interval(interval)).execute().actionGet();
    assertSearchResponse(response);
    Histogram histo = response.getAggregations().get("histo");
    assertThat(histo, notNullValue());
    assertThat(histo.getName(), equalTo("histo"));
    List<? extends Bucket> buckets = histo.getBuckets();
    assertThat(buckets.size(), equalTo(numValueBuckets));
    for (int i = 0; i < numValueBuckets; ++i) {
        Histogram.Bucket bucket = buckets.get(i);
        assertThat(bucket, notNullValue());
        assertThat(((Number) bucket.getKey()).longValue(), equalTo((long) i * interval));
        assertThat(bucket.getDocCount(), equalTo(valueCounts[i]));
    }
}