Examples with ScriptScoreQuery org.opensearch.common.lucene.search.function.ScriptScoreQuery used on opensource projects

Example 6 with ScriptScoreQuery

use of org.opensearch.common.lucene.search.function.ScriptScoreQuery in project OpenSearch by opensearch-project.

the class ScriptScoreQueryTests method testExplainWithName.

public void testExplainWithName() throws IOException {
    Script script = new Script("script using explain");
    ScoreScript.LeafFactory factory = newFactory(script, true, explanation -> {
        assertNotNull(explanation);
        explanation.set("this explains the score");
        return 1.0;
    });
    ScriptScoreQuery query = new ScriptScoreQuery(Queries.newMatchAllQuery(), "query1", script, factory, null, "index", 0, Version.CURRENT);
    Weight weight = query.createWeight(searcher, ScoreMode.COMPLETE, 1.0f);
    Explanation explanation = weight.explain(leafReaderContext, 0);
    assertNotNull(explanation);
    assertThat(explanation.getDescription(), equalTo("this explains the score"));
    assertThat(explanation.getValue(), equalTo(1.0));
    assertThat(explanation.getDetails(), arrayWithSize(1));
    assertThat(explanation.getDetails()[0].getDescription(), equalTo("*:* (_name: query1)"));
}