-
Notifications
You must be signed in to change notification settings - Fork 1.2k
/
BulkWriteOperation.cs
190 lines (172 loc) · 6.95 KB
/
BulkWriteOperation.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
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
/* 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 System.Collections.Generic;
using System.Linq;
using System.Threading;
using MongoDB.Bson;
using MongoDB.Bson.Serialization;
using MongoDB.Bson.Serialization.Serializers;
using MongoDB.Driver.Core.Operations;
namespace MongoDB.Driver
{
/// <summary>
/// Represents a fluent builder for a bulk operation.
/// </summary>
/// <typeparam name="TDocument">The type of the document.</typeparam>
public sealed class BulkWriteOperation<TDocument>
{
// private fields
private bool? _bypassDocumentValidation;
private readonly MongoCollection _collection;
private readonly bool _isOrdered;
private readonly List<WriteRequest> _requests = new List<WriteRequest>();
private bool _hasBeenExecuted;
// constructors
internal BulkWriteOperation(MongoCollection collection, bool isOrdered)
{
_collection = collection;
_isOrdered = isOrdered;
}
// public 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; }
}
// public methods
/// <summary>
/// Executes the bulk operation using the default write concern from the collection.
/// </summary>
/// <returns>A BulkWriteResult.</returns>
public BulkWriteResult<TDocument> Execute()
{
return Execute(_collection.Settings.WriteConcern ?? WriteConcern.Acknowledged);
}
/// <summary>
/// Executes the bulk operation.
/// </summary>
/// <param name="writeConcern">The write concern for this bulk operation.</param>
/// <returns>A BulkWriteResult.</returns>
public BulkWriteResult<TDocument> Execute(WriteConcern writeConcern)
{
if (writeConcern == null)
{
throw new ArgumentNullException("writeConcern");
}
return ExecuteHelper(writeConcern);
}
/// <summary>
/// Creates a builder for a new write request (either a remove or an update).
/// </summary>
/// <param name="query">The query.</param>
/// <param name="collation">The collation.</param>
/// <returns>A FluentWriteRequestBuilder.</returns>
public BulkWriteRequestBuilder<TDocument> Find(IMongoQuery query, Collation collation = null)
{
if (query == null)
{
throw new ArgumentNullException("query");
}
if (_hasBeenExecuted)
{
throw new InvalidOperationException("The bulk write operation has already been executed.");
}
return new BulkWriteRequestBuilder<TDocument>(AddRequest, query, collation);
}
/// <summary>
/// Adds an insert request for the specified document to the bulk operation.
/// </summary>
/// <param name="document">The document.</param>
public void Insert(TDocument document)
{
if (document == null)
{
throw new ArgumentNullException("document");
}
var serializer = BsonSerializer.LookupSerializer<TDocument>();
var request = new InsertRequest(new BsonDocumentWrapper(document, serializer));
AddRequest(request);
}
// private methods
private void AddRequest(WriteRequest request)
{
if (_hasBeenExecuted)
{
throw new InvalidOperationException("The bulk write operation has already been executed.");
}
request.CorrelationId = _requests.Count;
_requests.Add(request);
}
private BulkWriteResult<TDocument> ExecuteHelper(WriteConcern writeConcern)
{
return _collection.UsingImplicitSession(session => ExecuteHelper(session, writeConcern));
}
private BulkWriteResult<TDocument> ExecuteHelper(IClientSessionHandle session, WriteConcern writeConcern)
{
if (_hasBeenExecuted)
{
throw new InvalidOperationException("The bulk write operation has already been executed.");
}
_hasBeenExecuted = true;
var collectionSettings = _collection.Settings;
var messageEncoderSettings = _collection.GetMessageEncoderSettings();
IEnumerable<WriteRequest> requests = _requests;
if (_collection.Settings.AssignIdOnInsert)
{
requests = _requests.Select(x =>
{
var insertRequest = x as InsertRequest;
if (insertRequest != null)
{
object document = insertRequest.Document;
IBsonSerializer serializer = BsonDocumentSerializer.Instance;
var wrapped = insertRequest.Document as BsonDocumentWrapper;
while (wrapped != null)
{
document = wrapped.Wrapped;
serializer = wrapped.Serializer;
wrapped = document as BsonDocumentWrapper;
}
_collection.AssignId(document, serializer);
}
return x;
});
}
var operation = new BulkMixedWriteOperation(new CollectionNamespace(_collection.Database.Name, _collection.Name), requests, messageEncoderSettings)
{
BypassDocumentValidation = _bypassDocumentValidation,
IsOrdered = _isOrdered,
RetryRequested = _collection.Database.Server.Settings.RetryWrites,
WriteConcern = writeConcern
};
try
{
var result = _collection.ExecuteWriteOperation(session, operation);
return BulkWriteResult<TDocument>.FromCore(result);
}
catch (MongoBulkWriteOperationException ex)
{
throw MongoBulkWriteException<TDocument>.FromCore(ex);
}
}
}
}