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UpdateOpcodeOperation.cs
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UpdateOpcodeOperation.cs
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/* Copyright 2013-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.Threading;
using System.Threading.Tasks;
using MongoDB.Driver.Core.Bindings;
using MongoDB.Driver.Core.Events;
using MongoDB.Driver.Core.Misc;
using MongoDB.Driver.Core.WireProtocol.Messages.Encoders;
namespace MongoDB.Driver.Core.Operations
{
/// <summary>
/// Represents an update operation using the update opcode.
/// </summary>
public class UpdateOpcodeOperation : IWriteOperation<WriteConcernResult>, IExecutableInRetryableWriteContext<WriteConcernResult>
{
// fields
private bool? _bypassDocumentValidation;
private readonly CollectionNamespace _collectionNamespace;
private int? _maxDocumentSize;
private readonly MessageEncoderSettings _messageEncoderSettings;
private readonly UpdateRequest _request;
private bool _retryRequested;
private WriteConcern _writeConcern = WriteConcern.Acknowledged;
// constructors
/// <summary>
/// Initializes a new instance of the <see cref="UpdateOpcodeOperation"/> class.
/// </summary>
/// <param name="collectionNamespace">The collection namespace.</param>
/// <param name="request">The request.</param>
/// <param name="messageEncoderSettings">The message encoder settings.</param>
public UpdateOpcodeOperation(
CollectionNamespace collectionNamespace,
UpdateRequest request,
MessageEncoderSettings messageEncoderSettings)
{
_collectionNamespace = Ensure.IsNotNull(collectionNamespace, nameof(collectionNamespace));
_request = Ensure.IsNotNull(request, nameof(request));
_messageEncoderSettings = Ensure.IsNotNull(messageEncoderSettings, nameof(messageEncoderSettings));
}
// properties
/// <summary>
/// Gets or sets a value indicating whether to bypass document validation.
/// </summary>
/// <value>
/// A value indicating whether to bypass document validation.
/// </value>
public bool? BypassDocumentValidation
{
get { return _bypassDocumentValidation; }
set { _bypassDocumentValidation = value; }
}
/// <summary>
/// Gets the collection namespace.
/// </summary>
/// <value>
/// The collection namespace.
/// </value>
public CollectionNamespace CollectionNamespace
{
get { return _collectionNamespace; }
}
/// <summary>
/// Gets or sets the maximum size of a document.
/// </summary>
/// <value>
/// The maximum size of a document.
/// </value>
public int? MaxDocumentSize
{
get { return _maxDocumentSize; }
set { _maxDocumentSize = Ensure.IsNullOrGreaterThanZero(value, nameof(value)); }
}
/// <summary>
/// Gets the message encoder settings.
/// </summary>
/// <value>
/// The message encoder settings.
/// </value>
public MessageEncoderSettings MessageEncoderSettings
{
get { return _messageEncoderSettings; }
}
/// <summary>
/// Gets the request.
/// </summary>
/// <value>
/// The request.
/// </value>
public UpdateRequest Request
{
get { return _request; }
}
/// <summary>
/// Gets or sets a value indicating whether retry is enabled for the operation.
/// </summary>
/// <value>A value indicating whether retry is enabled.</value>
public bool RetryRequested
{
get { return _retryRequested; }
set { _retryRequested = value; }
}
/// <summary>
/// Gets or sets the write concern.
/// </summary>
/// <value>
/// The write concern.
/// </value>
public WriteConcern WriteConcern
{
get { return _writeConcern; }
set { _writeConcern = Ensure.IsNotNull(value, nameof(value)); }
}
// public methods
/// <inheritdoc/>
public WriteConcernResult Execute(IWriteBinding binding, CancellationToken cancellationToken)
{
Ensure.IsNotNull(binding, nameof(binding));
using (var context = RetryableWriteContext.Create(binding, false, cancellationToken))
{
return Execute(context, cancellationToken);
}
}
/// <inheritdoc/>
public WriteConcernResult Execute(RetryableWriteContext context, CancellationToken cancellationToken)
{
using (EventContext.BeginOperation())
{
var emulator = CreateEmulator();
return emulator.Execute(context, cancellationToken);
}
}
/// <inheritdoc/>
public async Task<WriteConcernResult> ExecuteAsync(IWriteBinding binding, CancellationToken cancellationToken)
{
Ensure.IsNotNull(binding, nameof(binding));
using (var context = await RetryableWriteContext.CreateAsync(binding, false, cancellationToken).ConfigureAwait(false))
{
return await ExecuteAsync(context, cancellationToken).ConfigureAwait(false);
}
}
/// <inheritdoc/>
public async Task<WriteConcernResult> ExecuteAsync(RetryableWriteContext context, CancellationToken cancellationToken)
{
using (EventContext.BeginOperation())
{
var emulator = CreateEmulator();
return await emulator.ExecuteAsync(context, cancellationToken).ConfigureAwait(false);
}
}
// private methods
private UpdateOpcodeOperationEmulator CreateEmulator()
{
return new UpdateOpcodeOperationEmulator(_collectionNamespace, _request, _messageEncoderSettings)
{
BypassDocumentValidation = _bypassDocumentValidation,
MaxDocumentSize = _maxDocumentSize,
RetryRequested = _retryRequested,
WriteConcern = _writeConcern
};
}
}
}