/*
 * Copyright 2018 org.LTR4L
 *
 * Licensed 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.ltr4l.lucene.solr.server;

import org.apache.lucene.search.Explanation;

import java.io.IOException;

public class FieldFeatureNullExtractor implements FieldFeatureExtractor {
  @Override
  public float feature(int doc) throws IOException {
    return 0;
  }

  @Override
  public Explanation explain(int doc) throws IOException {
    return Explanation.noMatch("no matching terms");
  }
}