/
StemmerOverrideTokenFilter.cs
83 lines (72 loc) · 2.84 KB
/
StemmerOverrideTokenFilter.cs
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
/* SPDX-License-Identifier: Apache-2.0
*
* The OpenSearch Contributors require contributions made to
* this file be licensed under the Apache-2.0 license or a
* compatible open source license.
*/
/*
* Modifications Copyright OpenSearch Contributors. See
* GitHub history for details.
*
* Licensed to Elasticsearch B.V. under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch B.V. 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.
*/
using System.Collections.Generic;
using System.Runtime.Serialization;
namespace OpenSearch.Client
{
/// <summary>
/// Overrides stemming algorithms, by applying a custom mapping, then protecting these terms from being modified by stemmers. Must be placed
/// before any stemming filters.
/// </summary>
public interface IStemmerOverrideTokenFilter : ITokenFilter
{
/// <summary>
/// A list of mapping rules to use.
/// </summary>
[DataMember(Name ="rules")]
IEnumerable<string> Rules { get; set; }
/// <summary>
/// A path (either relative to config location, or absolute) to a list of mappings.
/// </summary>
[DataMember(Name ="rules_path")]
string RulesPath { get; set; }
}
/// <inheritdoc />
public class StemmerOverrideTokenFilter : TokenFilterBase, IStemmerOverrideTokenFilter
{
public StemmerOverrideTokenFilter() : base("stemmer_override") { }
/// <inheritdoc />
public IEnumerable<string> Rules { get; set; }
/// <inheritdoc />
public string RulesPath { get; set; }
}
/// <inheritdoc />
public class StemmerOverrideTokenFilterDescriptor
: TokenFilterDescriptorBase<StemmerOverrideTokenFilterDescriptor, IStemmerOverrideTokenFilter>, IStemmerOverrideTokenFilter
{
protected override string Type => "stemmer_override";
IEnumerable<string> IStemmerOverrideTokenFilter.Rules { get; set; }
string IStemmerOverrideTokenFilter.RulesPath { get; set; }
/// <inheritdoc />
public StemmerOverrideTokenFilterDescriptor Rules(IEnumerable<string> rules) => Assign(rules, (a, v) => a.Rules = v);
/// <inheritdoc />
public StemmerOverrideTokenFilterDescriptor Rules(params string[] rules) => Assign(rules, (a, v) => a.Rules = v);
/// <inheritdoc />
public StemmerOverrideTokenFilterDescriptor RulesPath(string path) => Assign(path, (a, v) => a.RulesPath = v);
}
}