| using Lucene.Net.Analysis; |
| using System; |
| using System.IO; |
| |
| namespace Lucene.Net.Documents |
| { |
| /* |
| * 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. |
| */ |
| |
| /// <summary> |
| /// A field that is indexed and tokenized, without term |
| /// vectors. For example this would be used on a 'body' |
| /// field, that contains the bulk of a document's text. |
| /// </summary> |
| public sealed class TextField : Field |
| { |
| /// <summary> |
| /// Indexed, tokenized, not stored. </summary> |
| public static readonly FieldType TYPE_NOT_STORED = LoadTypeNotStored(); |
| |
| private static FieldType LoadTypeNotStored() // LUCENENET: Avoid static constructors (see https://github.com/apache/lucenenet/pull/224#issuecomment-469284006) |
| { |
| var typeNotStored = new FieldType |
| { |
| IsIndexed = true, |
| IsTokenized = true |
| }; |
| typeNotStored.Freeze(); |
| return typeNotStored; |
| } |
| |
| /// <summary> |
| /// Indexed, tokenized, stored. </summary> |
| public static readonly FieldType TYPE_STORED = LoadTypeStored(); |
| |
| private static FieldType LoadTypeStored() // LUCENENET: Avoid static constructors (see https://github.com/apache/lucenenet/pull/224#issuecomment-469284006) |
| { |
| var typeStored = new FieldType |
| { |
| IsIndexed = true, |
| IsTokenized = true, |
| IsStored = true |
| }; |
| typeStored.Freeze(); |
| return typeStored; |
| } |
| |
| // TODO: add sugar for term vectors...? |
| |
| /// <summary> |
| /// Creates a new un-stored <see cref="TextField"/> with <see cref="TextReader"/> value. </summary> |
| /// <param name="name"> field name </param> |
| /// <param name="reader"> <see cref="TextReader"/> value </param> |
| /// <exception cref="ArgumentNullException"> if the field <paramref name="name"/> or <paramref name="reader"/> is <c>null</c> </exception> |
| public TextField(string name, TextReader reader) |
| : base(name, reader, TYPE_NOT_STORED) |
| { |
| } |
| |
| /// <summary> |
| /// Creates a new <see cref="TextField"/> with <see cref="string"/> value. </summary> |
| /// <param name="name"> field name </param> |
| /// <param name="value"> <see cref="string"/> value </param> |
| /// <param name="store"> <see cref="Field.Store.YES"/> if the content should also be stored </param> |
| /// <exception cref="ArgumentNullException"> if the field <paramref name="name"/> or <paramref name="value"/> is <c>null</c>. </exception> |
| public TextField(string name, string value, Store store) |
| : base(name, value, store == Store.YES ? TYPE_STORED : TYPE_NOT_STORED) |
| { |
| } |
| |
| /// <summary> |
| /// Creates a new un-stored <see cref="TextField"/> with <see cref="TokenStream"/> value. </summary> |
| /// <param name="name"> field name </param> |
| /// <param name="stream"> <see cref="TokenStream"/> value </param> |
| /// <exception cref="ArgumentNullException"> if the field <paramref name="name"/> or <paramref name="stream"/> is <c>null</c>. </exception> |
| public TextField(string name, TokenStream stream) |
| : base(name, stream, TYPE_NOT_STORED) |
| { |
| } |
| } |
| } |