/
LowercaseProcessor.cs
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/
LowercaseProcessor.cs
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/* 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;
using System.Linq.Expressions;
using System.Runtime.Serialization;
using OpenSearch.Net.Utf8Json;
namespace OpenSearch.Client
{
/// <summary>
/// Converts a string to its lowercase equivalent.
/// </summary>
[InterfaceDataContract]
public interface ILowercaseProcessor : IProcessor
{
/// <summary>
/// The field to make lowercase
/// </summary>
[DataMember(Name ="field")]
Field Field { get; set; }
/// <summary>
/// If <c>true</c> and <see cref="Field" /> does not exist or is null,
/// the processor quietly exits without modifying the document
/// </summary>
[DataMember(Name = "ignore_missing")]
bool? IgnoreMissing { get; set; }
/// <summary>
/// The field to assign the converted value to, by default field is updated in-place
/// </summary>
[DataMember(Name = "target_field")]
Field TargetField { get; set; }
}
/// <inheritdoc cref="ILowercaseProcessor" />
public class LowercaseProcessor : ProcessorBase, ILowercaseProcessor
{
/// <inheritdoc />
public Field Field { get; set; }
/// <inheritdoc />
public bool? IgnoreMissing { get; set; }
/// <inheritdoc />
public Field TargetField { get; set; }
protected override string Name => "lowercase";
}
/// <inheritdoc cref="ILowercaseProcessor" />
public class LowercaseProcessorDescriptor<T>
: ProcessorDescriptorBase<LowercaseProcessorDescriptor<T>, ILowercaseProcessor>, ILowercaseProcessor
where T : class
{
protected override string Name => "lowercase";
Field ILowercaseProcessor.Field { get; set; }
bool? ILowercaseProcessor.IgnoreMissing { get; set; }
Field ILowercaseProcessor.TargetField { get; set; }
/// <inheritdoc cref="ILowercaseProcessor.Field" />
public LowercaseProcessorDescriptor<T> Field(Field field) => Assign(field, (a, v) => a.Field = v);
/// <inheritdoc cref="ILowercaseProcessor.Field" />
public LowercaseProcessorDescriptor<T> Field<TValue>(Expression<Func<T, TValue>> objectPath) =>
Assign(objectPath, (a, v) => a.Field = v);
/// <inheritdoc cref="ILowercaseProcessor.TargetField" />
public LowercaseProcessorDescriptor<T> TargetField(Field field) => Assign(field, (a, v) => a.TargetField = v);
/// <inheritdoc cref="ILowercaseProcessor.TargetField" />
public LowercaseProcessorDescriptor<T> TargetField(Expression<Func<T, object>> objectPath) =>
Assign(objectPath, (a, v) => a.TargetField = v);
/// <inheritdoc cref="ILowercaseProcessor.IgnoreMissing" />
public LowercaseProcessorDescriptor<T> IgnoreMissing(bool? ignoreMissing = true) =>
Assign(ignoreMissing, (a, v) => a.IgnoreMissing = v);
}
}