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Apache Solr (module: core)

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/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF 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.apache.solr.search.similarities;

import org.apache.lucene.search.similarities.BooleanSimilarity;
import org.apache.lucene.search.similarities.Similarity;
import org.apache.solr.schema.SimilarityFactory;

/**
 * Factory for {@link BooleanSimilarity}
 *
 * Simple similarity that gives terms a score that is equal to their query boost. This similarity
 * is typically used with disabled norms since neither document statistics nor index statistics are
 * used for scoring.
 */
public class BooleanSimilarityFactory extends SimilarityFactory {

  @Override
  public Similarity getSimilarity() {
    return new BooleanSimilarity();
  }
}