content: package org.apache.lucene.document;
  
  import java.io.Serializable;
  /**
   * Copyright 2004 The Apache Software Foundation
   *
   * 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.
   */
  
  /**
   * Similar to a {@link java.io.FileFilter}, the FieldSelector allows one to make decisions about
   * what Fields get loaded on a {@link Document} by {@link org.apache.lucene.index.IndexReader#document(int,org.apache.lucene.document.FieldSelector)}
   *
   **/
  public interface FieldSelector extends Serializable {
  
    /**
     * 
     * @param fieldName the field to accept or reject
     * @return an instance of {@link FieldSelectorResult}
     * if the {@link Field} named <code>fieldName</code> should be loaded.
     */
    FieldSelectorResult accept(String fieldName);
  }
  