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MapReduceOptions.cs
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MapReduceOptions.cs
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/* Copyright 2010-present MongoDB Inc.
*
* 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.
*/
using System;
using MongoDB.Bson;
using MongoDB.Bson.Serialization;
using MongoDB.Driver.Core.Misc;
namespace MongoDB.Driver
{
/// <summary>
/// Represents the options for a map-reduce operation.
/// </summary>
/// <typeparam name="TDocument">The type of the document.</typeparam>
/// <typeparam name="TResult">The type of the result.</typeparam>
[Obsolete("Use Aggregation pipeline instead.")]
public sealed class MapReduceOptions<TDocument, TResult>
{
// fields
private bool? _bypassDocumentValidation;
private Collation _collation;
private FilterDefinition<TDocument> _filter;
private BsonJavaScript _finalize;
private bool? _javaScriptMode;
private long? _limit;
private TimeSpan? _maxTime;
private MapReduceOutputOptions _outputOptions;
private IBsonSerializer<TResult> _resultSerializer;
private BsonDocument _scope;
private SortDefinition<TDocument> _sort;
private bool? _verbose;
// properties
/// <summary>
/// Gets or sets a value indicating whether to bypass document validation.
/// </summary>
public bool? BypassDocumentValidation
{
get { return _bypassDocumentValidation; }
set { _bypassDocumentValidation = value; }
}
/// <summary>
/// Gets or sets the collation.
/// </summary>
public Collation Collation
{
get { return _collation; }
set { _collation = value; }
}
/// <summary>
/// Gets or sets the filter.
/// </summary>
public FilterDefinition<TDocument> Filter
{
get { return _filter; }
set { _filter = value; }
}
/// <summary>
/// Gets or sets the finalize function.
/// </summary>
public BsonJavaScript Finalize
{
get { return _finalize; }
set { _finalize = value; }
}
/// <summary>
/// Gets or sets the java script mode.
/// </summary>
[Obsolete("JavaScriptMode is ignored by server versions 4.4.0 and newer.")]
public bool? JavaScriptMode
{
get { return _javaScriptMode; }
set { _javaScriptMode = value; }
}
/// <summary>
/// Gets or sets the limit.
/// </summary>
public long? Limit
{
get { return _limit; }
set { _limit = value; }
}
/// <summary>
/// Gets or sets the maximum time.
/// </summary>
public TimeSpan? MaxTime
{
get { return _maxTime; }
set { _maxTime = Ensure.IsNullOrInfiniteOrGreaterThanOrEqualToZero(value, nameof(value)); }
}
/// <summary>
/// Gets or sets the output options.
/// </summary>
public MapReduceOutputOptions OutputOptions
{
get { return _outputOptions; }
set { _outputOptions = value; }
}
/// <summary>
/// Gets or sets the result serializer.
/// </summary>
public IBsonSerializer<TResult> ResultSerializer
{
get { return _resultSerializer; }
set { _resultSerializer = value; }
}
/// <summary>
/// Gets or sets the scope.
/// </summary>
public BsonDocument Scope
{
get { return _scope; }
set { _scope = value; }
}
/// <summary>
/// Gets or sets the sort.
/// </summary>
public SortDefinition<TDocument> Sort
{
get { return _sort; }
set { _sort = value; }
}
/// <summary>
/// Gets or sets whether to include timing information.
/// </summary>
public bool? Verbose
{
get { return _verbose; }
set { _verbose = value; }
}
}
/// <summary>
/// Represents the output options for a map-reduce operation.
/// </summary>
[Obsolete("Use Aggregation pipeline instead.")]
public abstract class MapReduceOutputOptions
{
private static MapReduceOutputOptions __inline = new InlineOutput();
private MapReduceOutputOptions()
{ }
/// <summary>
/// An inline map-reduce output options.
/// </summary>
public static MapReduceOutputOptions Inline
{
get { return __inline; }
}
/// <summary>
/// A merge map-reduce output options.
/// </summary>
/// <param name="collectionName">The name of the collection.</param>
/// <param name="databaseName">The name of the database.</param>
/// <param name="sharded">Whether the output collection should be sharded.</param>
/// <param name="nonAtomic">Whether the server should not lock the database for the duration of the merge.</param>
/// <returns>A merge map-reduce output options.</returns>
[Obsolete("Use an overload of Merge that does not have sharded and nonAtomic parameters instead.")]
public static MapReduceOutputOptions Merge(string collectionName, string databaseName = null, bool? sharded = null, bool? nonAtomic = null)
{
Ensure.IsNotNull(collectionName, nameof(collectionName));
return new CollectionOutput(collectionName, Core.Operations.MapReduceOutputMode.Merge, databaseName, sharded, nonAtomic);
}
/// <summary>
/// A merge map-reduce output options.
/// </summary>
/// <param name="collectionName">The name of the collection.</param>
/// <param name="databaseName">The name of the database.</param>
/// <returns>A merge map-reduce output options.</returns>
public static MapReduceOutputOptions Merge(string collectionName, string databaseName)
{
Ensure.IsNotNull(collectionName, nameof(collectionName));
return new CollectionOutput(collectionName, Core.Operations.MapReduceOutputMode.Merge, databaseName);
}
/// <summary>
/// A reduce map-reduce output options.
/// </summary>
/// <param name="collectionName">The name of the collection.</param>
/// <param name="databaseName">The name of the database.</param>
/// <param name="sharded">Whether the output collection should be sharded.</param>
/// <param name="nonAtomic">Whether the server should not lock the database for the duration of the reduce.</param>
/// <returns>A reduce map-reduce output options.</returns>
[Obsolete("Use an overload of Reduce that does not have sharded and nonAtomic parameters instead.")]
public static MapReduceOutputOptions Reduce(string collectionName, string databaseName = null, bool? sharded = null, bool? nonAtomic = null)
{
Ensure.IsNotNull(collectionName, nameof(collectionName));
return new CollectionOutput(collectionName, Core.Operations.MapReduceOutputMode.Reduce, databaseName, sharded, nonAtomic);
}
/// <summary>
/// A reduce map-reduce output options.
/// </summary>
/// <param name="collectionName">The name of the collection.</param>
/// <param name="databaseName">The name of the database.</param>
/// <returns>A reduce map-reduce output options.</returns>
public static MapReduceOutputOptions Reduce(string collectionName, string databaseName)
{
Ensure.IsNotNull(collectionName, nameof(collectionName));
return new CollectionOutput(collectionName, Core.Operations.MapReduceOutputMode.Reduce, databaseName);
}
/// <summary>
/// A replace map-reduce output options.
/// </summary>
/// <param name="collectionName">The name of the collection.</param>
/// <param name="databaseName">Name of the database.</param>
/// <param name="sharded">Whether the output collection should be sharded.</param>
/// <returns>A replace map-reduce output options.</returns>
[Obsolete("Use an overload of Replace that does not have a sharded parameter instead.")]
public static MapReduceOutputOptions Replace(string collectionName, string databaseName = null, bool? sharded = null)
{
Ensure.IsNotNull(collectionName, nameof(collectionName));
return new CollectionOutput(collectionName, Core.Operations.MapReduceOutputMode.Replace, databaseName, sharded, null);
}
/// <summary>
/// A replace map-reduce output options.
/// </summary>
/// <param name="collectionName">The name of the collection.</param>
/// <param name="databaseName">Name of the database.</param>
/// <returns>A replace map-reduce output options.</returns>
public static MapReduceOutputOptions Replace(string collectionName, string databaseName)
{
Ensure.IsNotNull(collectionName, nameof(collectionName));
return new CollectionOutput(collectionName, Core.Operations.MapReduceOutputMode.Replace, databaseName);
}
internal sealed class InlineOutput : MapReduceOutputOptions
{
internal InlineOutput()
{ }
}
internal sealed class CollectionOutput : MapReduceOutputOptions
{
private readonly string _collectionName;
private readonly string _databaseName;
private readonly bool? _nonAtomic;
private readonly Core.Operations.MapReduceOutputMode _outputMode;
private readonly bool? _sharded;
internal CollectionOutput(string collectionName, Core.Operations.MapReduceOutputMode outputMode, string databaseName = null, bool? sharded = null, bool? nonAtomic = null)
{
_collectionName = collectionName;
_outputMode = outputMode;
_databaseName = databaseName;
_sharded = sharded;
_nonAtomic = nonAtomic;
}
public string CollectionName
{
get { return _collectionName; }
}
public string DatabaseName
{
get { return _databaseName; }
}
[Obsolete("NonAtomic is rejected by server versions 4.4.0 and newer.")]
public bool? NonAtomic
{
get { return _nonAtomic; }
}
public Core.Operations.MapReduceOutputMode OutputMode
{
get { return _outputMode; }
}
[Obsolete("Sharded is rejected by server versions 4.4.0 and newer.")]
public bool? Sharded
{
get { return _sharded; }
}
}
}
}