Package org.elasticsearch.index.fielddata

Source Code of org.elasticsearch.index.fielddata.NoOrdinalsStringFieldDataTests

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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
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* specific language governing permissions and limitations
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*/

package org.elasticsearch.index.fielddata;

import org.apache.lucene.index.LeafReaderContext;
import org.apache.lucene.index.IndexReader;
import org.elasticsearch.index.Index;
import org.elasticsearch.index.fielddata.IndexFieldData.XFieldComparatorSource.Nested;
import org.elasticsearch.index.fielddata.fieldcomparator.BytesRefFieldComparatorSource;
import org.elasticsearch.index.mapper.FieldMapper.Names;
import org.elasticsearch.search.MultiValueMode;
import org.junit.Test;

/** Returns an implementation based on paged bytes which doesn't implement WithOrdinals in order to visit different paths in the code,
*  eg. BytesRefFieldComparatorSource makes decisions based on whether the field data implements WithOrdinals. */
public class NoOrdinalsStringFieldDataTests extends PagedBytesStringFieldDataTests {

    public static IndexFieldData<AtomicFieldData> hideOrdinals(final IndexFieldData<?> in) {
        return new IndexFieldData<AtomicFieldData>() {

            @Override
            public Index index() {
                return in.index();
            }

            @Override
            public Names getFieldNames() {
                return in.getFieldNames();
            }

            @Override
            public FieldDataType getFieldDataType() {
                return in.getFieldDataType();
            }

            @Override
            public AtomicFieldData load(LeafReaderContext context) {
                return in.load(context);
            }

            @Override
            public AtomicFieldData loadDirect(LeafReaderContext context) throws Exception {
                return in.loadDirect(context);
            }

            @Override
            public XFieldComparatorSource comparatorSource(Object missingValue, MultiValueMode sortMode, Nested nested) {
                return new BytesRefFieldComparatorSource(this, missingValue, sortMode, nested);
            }

            @Override
            public void clear() {
                in.clear();
            }

            @Override
            public void clear(IndexReader reader) {
                in.clear(reader);
            }

        };
    }

    @SuppressWarnings("unchecked")
    @Override
    public IndexFieldData<AtomicFieldData> getForField(String fieldName) {
        return hideOrdinals(super.getForField(fieldName));
    }

    @Test
    @Override
    public void testTermsEnum() throws Exception {
        // We can't test this, since the returned IFD instance doesn't implement IndexFieldData.WithOrdinals
    }
}
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