Examples with InternalSimpleValue org.opensearch.search.aggregations.pipeline.InternalSimpleValue used on opensource projects

Example 1 with InternalSimpleValue

use of org.opensearch.search.aggregations.pipeline.InternalSimpleValue in project OpenSearch by opensearch-project.

the class NestedAggregatorTests method testNestedWithPipeline.

/**
 * This tests to make sure pipeline aggs embedded under a SingleBucket agg (like nested)
 * are properly reduced
 */
public void testNestedWithPipeline() throws IOException {
    int numRootDocs = randomIntBetween(1, 20);
    int expectedNestedDocs = 0;
    double expectedMaxValue = Double.NEGATIVE_INFINITY;
    try (Directory directory = newDirectory()) {
        try (RandomIndexWriter iw = new RandomIndexWriter(random(), directory)) {
            for (int i = 0; i < numRootDocs; i++) {
                List<Document> documents = new ArrayList<>();
                expectedMaxValue = Math.max(expectedMaxValue, generateMaxDocs(documents, 1, i, NESTED_OBJECT, VALUE_FIELD_NAME));
                expectedNestedDocs += 1;
                Document document = new Document();
                document.add(new Field(IdFieldMapper.NAME, Uid.encodeId(Integer.toString(i)), IdFieldMapper.Defaults.FIELD_TYPE));
                document.add(sequenceIDFields.primaryTerm);
                documents.add(document);
                iw.addDocuments(documents);
            }
            iw.commit();
        }
        try (IndexReader indexReader = wrapInMockESDirectoryReader(DirectoryReader.open(directory))) {
            NestedAggregationBuilder nestedBuilder = new NestedAggregationBuilder(NESTED_AGG, NESTED_OBJECT).subAggregation(new TermsAggregationBuilder("terms").field(VALUE_FIELD_NAME).userValueTypeHint(ValueType.NUMERIC).subAggregation(new MaxAggregationBuilder(MAX_AGG_NAME).field(VALUE_FIELD_NAME)).subAggregation(new BucketScriptPipelineAggregationBuilder("bucketscript", Collections.singletonMap("_value", MAX_AGG_NAME), new Script(ScriptType.INLINE, MockScriptEngine.NAME, INVERSE_SCRIPT, Collections.emptyMap()))));
            MappedFieldType fieldType = new NumberFieldMapper.NumberFieldType(VALUE_FIELD_NAME, NumberFieldMapper.NumberType.LONG);
            InternalNested nested = searchAndReduce(newSearcher(indexReader, false, true), new MatchAllDocsQuery(), nestedBuilder, fieldType);
            assertEquals(expectedNestedDocs, nested.getDocCount());
            assertEquals(NESTED_AGG, nested.getName());
            assertEquals(expectedNestedDocs, nested.getDocCount());
            InternalTerms<?, LongTerms.Bucket> terms = (InternalTerms) nested.getProperty("terms");
            assertNotNull(terms);
            for (LongTerms.Bucket bucket : terms.getBuckets()) {
                InternalMax max = (InternalMax) bucket.getAggregations().asMap().get(MAX_AGG_NAME);
                InternalSimpleValue bucketScript = (InternalSimpleValue) bucket.getAggregations().asMap().get("bucketscript");
                assertNotNull(max);
                assertNotNull(bucketScript);
                assertEquals(max.getValue(), -bucketScript.getValue(), Double.MIN_VALUE);
            }
            assertTrue(AggregationInspectionHelper.hasValue(nested));
        }
    }
}