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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.ordinals;
import org.apache.lucene.index.DocValues;
import org.apache.lucene.index.SortedDocValues;
import org.apache.lucene.index.SortedSetDocValues;
import org.elasticsearch.test.ESTestCase;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
import static org.hamcrest.Matchers.equalTo;
import static org.hamcrest.Matchers.instanceOf;
import static org.hamcrest.Matchers.not;
public class SingleOrdinalsTests extends ESTestCase {
public void testSvValues() throws IOException {
int numDocs = 1000000;
int numOrdinals = numDocs / 4;
Map<Integer, Long> controlDocToOrdinal = new HashMap<>();
OrdinalsBuilder builder = new OrdinalsBuilder(numDocs);
long ordinal = builder.currentOrdinal();
for (int doc = 0; doc < numDocs; doc++) {
if (doc % numOrdinals == 0) {
ordinal = builder.nextOrdinal();
}
controlDocToOrdinal.put(doc, ordinal);
builder.addDoc(doc);
}
Ordinals ords = builder.build();
assertThat(ords, instanceOf(SinglePackedOrdinals.class));
SortedSetDocValues docs = ords.ordinals();
final SortedDocValues singleOrds = DocValues.unwrapSingleton(docs);
assertNotNull(singleOrds);
for (Map.Entry<Integer, Long> entry : controlDocToOrdinal.entrySet()) {
assertTrue(singleOrds.advanceExact(entry.getKey()));
assertEquals(singleOrds.ordValue(), (long) entry.getValue());
}
}
public void testMvOrdinalsTrigger() throws IOException {
int numDocs = 1000000;
OrdinalsBuilder builder = new OrdinalsBuilder(numDocs);
builder.nextOrdinal();
for (int doc = 0; doc < numDocs; doc++) {
builder.addDoc(doc);
}
Ordinals ords = builder.build();
assertThat(ords, instanceOf(SinglePackedOrdinals.class));
builder.nextOrdinal();
builder.addDoc(0);
ords = builder.build();
assertThat(ords, not(instanceOf(SinglePackedOrdinals.class)));
}
}
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