content: package org.apache.solr.common.params;
  /**
   * 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.
   */
  
  
  /**
   *
   *
   **/
  public interface TermVectorParams {
  
    public static final String TV_PREFIX = "tv.";
  
      /**
    * Return Term Frequency info
    * */
    public static final String TF =  TV_PREFIX + "tf";
    /**
    * Return Term Vector position information
    *
    * */
    public static final String POSITIONS = TV_PREFIX + "positions";
    /**
    * Return offset information, if available
    * */
    public static final String OFFSETS = TV_PREFIX + "offsets";
    /**
    * Return IDF information.  May be expensive
    * */
    public static final String DF = TV_PREFIX + "df";
  
    /**
     * Return TF-IDF calculation, i.e. (tf / idf).  May be expensive.
     */
    public static final String TF_IDF = TV_PREFIX + "tf_idf";
  
  
    /**
     * Return all the options: TF, positions, offsets, idf
     */
    public static final String ALL = TV_PREFIX + "all";
  
    /**
     * The fields to get term vectors for
     */
    public static final String FIELDS = TV_PREFIX + "fl";
  
    /**
     * The Doc Ids (Lucene internal ids) of the docs to get the term vectors for
     */
    public static final String DOC_IDS = TV_PREFIX + "docIds";
  }
  