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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;
import org.apache.lucene.document.Document;
import org.apache.lucene.document.Field;
import org.apache.lucene.document.StringField;
import org.apache.lucene.index.LeafReaderContext;
import org.apache.lucene.index.RandomAccessOrds;
import org.elasticsearch.index.mapper.ContentPath;
import org.elasticsearch.index.mapper.MappedFieldType;
import org.elasticsearch.index.mapper.TextFieldMapper;
import org.elasticsearch.index.mapper.Mapper.BuilderContext;
import java.util.List;
import java.util.Random;
import static org.hamcrest.Matchers.equalTo;
public class FilterFieldDataTests extends AbstractFieldDataTestCase {
@Override
protected String getFieldDataType() {
return null;
}
public void testFilterByFrequency() throws Exception {
Random random = random();
for (int i = 0; i < 1000; i++) {
Document d = new Document();
d.add(new StringField("id", "" + i, Field.Store.NO));
if (i % 100 == 0) {
d.add(new StringField("high_freq", "100", Field.Store.NO));
d.add(new StringField("low_freq", "100", Field.Store.NO));
d.add(new StringField("med_freq", "100", Field.Store.NO));
}
if (i % 10 == 0) {
d.add(new StringField("high_freq", "10", Field.Store.NO));
d.add(new StringField("med_freq", "10", Field.Store.NO));
}
if (i % 5 == 0) {
d.add(new StringField("high_freq", "5", Field.Store.NO));
}
writer.addDocument(d);
}
writer.forceMerge(1, true);
List<LeafReaderContext> contexts = refreshReader();
final BuilderContext builderCtx = new BuilderContext(indexService.getIndexSettings().getSettings(), new ContentPath(1));
{
ifdService.clear();
MappedFieldType ft = new TextFieldMapper.Builder("high_freq")
.fielddata(true)
.fielddataFrequencyFilter(0, random.nextBoolean() ? 100 : 0.5d, 0)
.build(builderCtx).fieldType();
IndexOrdinalsFieldData fieldData = ifdService.getForField(ft);
for (LeafReaderContext context : contexts) {
AtomicOrdinalsFieldData loadDirect = fieldData.loadDirect(context);
RandomAccessOrds bytesValues = loadDirect.getOrdinalsValues();
assertThat(2L, equalTo(bytesValues.getValueCount()));
assertThat(bytesValues.lookupOrd(0).utf8ToString(), equalTo("10"));
assertThat(bytesValues.lookupOrd(1).utf8ToString(), equalTo("100"));
}
}
{
ifdService.clear();
MappedFieldType ft = new TextFieldMapper.Builder("high_freq")
.fielddata(true)
.fielddataFrequencyFilter(random.nextBoolean() ? 101 : 101d/200.0d, 201, 100)
.build(builderCtx).fieldType();
IndexOrdinalsFieldData fieldData = ifdService.getForField(ft);
for (LeafReaderContext context : contexts) {
AtomicOrdinalsFieldData loadDirect = fieldData.loadDirect(context);
RandomAccessOrds bytesValues = loadDirect.getOrdinalsValues();
assertThat(1L, equalTo(bytesValues.getValueCount()));
assertThat(bytesValues.lookupOrd(0).utf8ToString(), equalTo("5"));
}
}
{
ifdService.clear(); // test # docs with value
MappedFieldType ft = new TextFieldMapper.Builder("med_freq")
.fielddata(true)
.fielddataFrequencyFilter(random.nextBoolean() ? 101 : 101d/200.0d, Integer.MAX_VALUE, 101)
.build(builderCtx).fieldType();
IndexOrdinalsFieldData fieldData = ifdService.getForField(ft);
for (LeafReaderContext context : contexts) {
AtomicOrdinalsFieldData loadDirect = fieldData.loadDirect(context);
RandomAccessOrds bytesValues = loadDirect.getOrdinalsValues();
assertThat(2L, equalTo(bytesValues.getValueCount()));
assertThat(bytesValues.lookupOrd(0).utf8ToString(), equalTo("10"));
assertThat(bytesValues.lookupOrd(1).utf8ToString(), equalTo("100"));
}
}
{
ifdService.clear();
MappedFieldType ft = new TextFieldMapper.Builder("med_freq")
.fielddata(true)
.fielddataFrequencyFilter(random.nextBoolean() ? 101 : 101d/200.0d, Integer.MAX_VALUE, 101)
.build(builderCtx).fieldType();
IndexOrdinalsFieldData fieldData = ifdService.getForField(ft);
for (LeafReaderContext context : contexts) {
AtomicOrdinalsFieldData loadDirect = fieldData.loadDirect(context);
RandomAccessOrds bytesValues = loadDirect.getOrdinalsValues();
assertThat(2L, equalTo(bytesValues.getValueCount()));
assertThat(bytesValues.lookupOrd(0).utf8ToString(), equalTo("10"));
assertThat(bytesValues.lookupOrd(1).utf8ToString(), equalTo("100"));
}
}
}
@Override
public void testEmpty() throws Exception {
assumeTrue("No need to test empty usage here", false);
}
}
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