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* 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
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package org.elasticsearch.index.fielddata.fieldcomparator;
import org.apache.lucene.document.Document;
import org.apache.lucene.document.SortedDocValuesField;
import org.apache.lucene.index.DirectoryReader;
import org.apache.lucene.index.IndexWriter;
import org.apache.lucene.index.IndexWriterConfig;
import org.apache.lucene.index.LeafReader;
import org.apache.lucene.index.SortedDocValues;
import org.apache.lucene.store.Directory;
import org.apache.lucene.util.BytesRef;
import org.elasticsearch.test.ESTestCase;
public class ReplaceMissingTests extends ESTestCase {
public void test() throws Exception {
Directory dir = newDirectory();
IndexWriterConfig iwc = newIndexWriterConfig(null);
iwc.setMergePolicy(newLogMergePolicy());
IndexWriter iw = new IndexWriter(dir, iwc);
Document doc = new Document();
doc.add(new SortedDocValuesField("field", new BytesRef("cat")));
iw.addDocument(doc);
doc = new Document();
iw.addDocument(doc);
doc = new Document();
doc.add(new SortedDocValuesField("field", new BytesRef("dog")));
iw.addDocument(doc);
iw.forceMerge(1);
iw.close();
DirectoryReader reader = DirectoryReader.open(dir);
LeafReader ar = getOnlyLeafReader(reader);
SortedDocValues raw = ar.getSortedDocValues("field");
assertEquals(2, raw.getValueCount());
// existing values
SortedDocValues dv = new BytesRefFieldComparatorSource.ReplaceMissing(raw, new BytesRef("cat"));
assertEquals(2, dv.getValueCount());
assertEquals("cat", dv.lookupOrd(0).utf8ToString());
assertEquals("dog", dv.lookupOrd(1).utf8ToString());
assertTrue(dv.advanceExact(0));
assertEquals(0, dv.ordValue());
assertTrue(dv.advanceExact(1));
assertEquals(0, dv.ordValue());
assertTrue(dv.advanceExact(2));
assertEquals(1, dv.ordValue());
raw = ar.getSortedDocValues("field");
dv = new BytesRefFieldComparatorSource.ReplaceMissing(raw, new BytesRef("dog"));
assertEquals(2, dv.getValueCount());
assertEquals("cat", dv.lookupOrd(0).utf8ToString());
assertEquals("dog", dv.lookupOrd(1).utf8ToString());
assertTrue(dv.advanceExact(0));
assertEquals(0, dv.ordValue());
assertTrue(dv.advanceExact(1));
assertEquals(1, dv.ordValue());
assertTrue(dv.advanceExact(2));
assertEquals(1, dv.ordValue());
// non-existing values
raw = ar.getSortedDocValues("field");
dv = new BytesRefFieldComparatorSource.ReplaceMissing(raw, new BytesRef("apple"));
assertEquals(3, dv.getValueCount());
assertEquals("apple", dv.lookupOrd(0).utf8ToString());
assertEquals("cat", dv.lookupOrd(1).utf8ToString());
assertEquals("dog", dv.lookupOrd(2).utf8ToString());
assertTrue(dv.advanceExact(0));
assertEquals(1, dv.ordValue());
assertTrue(dv.advanceExact(1));
assertEquals(0, dv.ordValue());
assertTrue(dv.advanceExact(2));
assertEquals(2, dv.ordValue());
raw = ar.getSortedDocValues("field");
dv = new BytesRefFieldComparatorSource.ReplaceMissing(raw, new BytesRef("company"));
assertEquals(3, dv.getValueCount());
assertEquals("cat", dv.lookupOrd(0).utf8ToString());
assertEquals("company", dv.lookupOrd(1).utf8ToString());
assertEquals("dog", dv.lookupOrd(2).utf8ToString());
assertTrue(dv.advanceExact(0));
assertEquals(0, dv.ordValue());
assertTrue(dv.advanceExact(1));
assertEquals(1, dv.ordValue());
assertTrue(dv.advanceExact(2));
assertEquals(2, dv.ordValue());
raw = ar.getSortedDocValues("field");
dv = new BytesRefFieldComparatorSource.ReplaceMissing(raw, new BytesRef("ebay"));
assertEquals(3, dv.getValueCount());
assertEquals("cat", dv.lookupOrd(0).utf8ToString());
assertEquals("dog", dv.lookupOrd(1).utf8ToString());
assertEquals("ebay", dv.lookupOrd(2).utf8ToString());
assertTrue(dv.advanceExact(0));
assertEquals(0, dv.ordValue());
assertTrue(dv.advanceExact(1));
assertEquals(2, dv.ordValue());
assertTrue(dv.advanceExact(2));
assertEquals(1, dv.ordValue());
reader.close();
dir.close();
}
}