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/*
* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch licenses this file to you under
* the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.elasticsearch.index.fielddata.plain;
import org.apache.lucene.document.Document;
import org.apache.lucene.index.DirectoryReader;
import org.apache.lucene.index.IndexWriter;
import org.apache.lucene.index.IndexWriterConfig;
import org.apache.lucene.index.IndexableField;
import org.apache.lucene.index.LeafReader;
import org.apache.lucene.store.Directory;
import org.apache.lucene.util.IOUtils;
import org.apache.lucene.util.TestUtil;
import org.elasticsearch.index.fielddata.FieldData;
import org.elasticsearch.index.fielddata.SortedNumericDoubleValues;
import org.elasticsearch.index.mapper.NumberFieldMapper;
import org.elasticsearch.test.ESTestCase;
import java.io.IOException;
public class HalfFloatFielddataTests extends ESTestCase {
public void testSingleValued() throws IOException {
Directory dir = newDirectory();
// we need the default codec to check for singletons
IndexWriter w = new IndexWriter(dir, new IndexWriterConfig(null).setCodec(TestUtil.getDefaultCodec()));
Document doc = new Document();
for (IndexableField f : NumberFieldMapper.NumberType.HALF_FLOAT.createFields("half_float", 3f, false, true, false)) {
doc.add(f);
}
w.addDocument(doc);
final DirectoryReader dirReader = DirectoryReader.open(w);
LeafReader reader = getOnlyLeafReader(dirReader);
SortedNumericDoubleValues values = new SortedNumericDVIndexFieldData.SortedNumericHalfFloatFieldData(
reader, "half_float").getDoubleValues();
assertNotNull(FieldData.unwrapSingleton(values));
assertTrue(values.advanceExact(0));
assertEquals(1, values.docValueCount());
assertEquals(3f, values.nextValue(), 0f);
IOUtils.close(dirReader, w, dir);
}
public void testMultiValued() throws IOException {
Directory dir = newDirectory();
IndexWriter w = new IndexWriter(dir, new IndexWriterConfig(null));
Document doc = new Document();
for (IndexableField f : NumberFieldMapper.NumberType.HALF_FLOAT.createFields("half_float", 3f, false, true, false)) {
doc.add(f);
}
for (IndexableField f : NumberFieldMapper.NumberType.HALF_FLOAT.createFields("half_float", 2f, false, true, false)) {
doc.add(f);
}
w.addDocument(doc);
final DirectoryReader dirReader = DirectoryReader.open(w);
LeafReader reader = getOnlyLeafReader(dirReader);
SortedNumericDoubleValues values = new SortedNumericDVIndexFieldData.SortedNumericHalfFloatFieldData(
reader, "half_float").getDoubleValues();
assertNull(FieldData.unwrapSingleton(values));
assertTrue(values.advanceExact(0));
assertEquals(2, values.docValueCount());
assertEquals(2f, values.nextValue(), 0f);
assertEquals(3f, values.nextValue(), 0f);
IOUtils.close(dirReader, w, dir);
}
}
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