1 package org.apache.lucene.document;
3 import java.io.Serializable;
5 * Copyright 2004 The Apache Software Foundation
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
21 * Similar to a {@link java.io.FileFilter}, the FieldSelector allows one to make decisions about
22 * what Fields get loaded on a {@link Document} by {@link org.apache.lucene.index.IndexReader#document(int,org.apache.lucene.document.FieldSelector)}
25 public interface FieldSelector extends Serializable {
29 * @param fieldName the field to accept or reject
30 * @return an instance of {@link FieldSelectorResult}
31 * if the {@link Field} named <code>fieldName</code> should be loaded.
33 FieldSelectorResult accept(String fieldName);