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88 lines
2.8 KiB
88 lines
2.8 KiB
/* Copyright 2010 10gen Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Text;
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using MongoDB.Bson;
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using MongoDB.Bson.IO;
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using MongoDB.Bson.Serialization;
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namespace MongoDB.Driver.Internal {
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internal class MongoQueryMessage<TQuery> : MongoRequestMessage {
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#region private fields
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private string collectionFullName;
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private QueryFlags flags;
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private int numberToSkip;
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private int numberToReturn;
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private TQuery query;
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private BsonDocumentWrapper fields;
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#endregion
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#region constructors
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internal MongoQueryMessage(
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string collectionFullName,
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QueryFlags flags,
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int numberToSkip,
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int numberToReturn,
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TQuery query,
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BsonDocumentWrapper fields
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) :
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this(collectionFullName, flags, numberToSkip, numberToReturn, query, fields, null) {
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}
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internal MongoQueryMessage(
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string collectionFullName,
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QueryFlags flags,
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int numberToSkip,
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int numberToReturn,
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TQuery query,
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BsonDocumentWrapper fields,
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BsonBuffer buffer
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) :
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base(MessageOpcode.Query, buffer) {
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this.collectionFullName = collectionFullName;
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this.flags = flags;
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this.numberToSkip = numberToSkip;
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this.numberToReturn = numberToReturn;
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this.query = query;
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this.fields = fields;
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}
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#endregion
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#region protected methods
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protected override void WriteBody() {
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buffer.WriteInt32((int) flags);
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buffer.WriteCString(collectionFullName);
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buffer.WriteInt32(numberToSkip);
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buffer.WriteInt32(numberToReturn);
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BsonWriter bsonWriter = BsonWriter.Create(buffer);
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if (query == null) {
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bsonWriter.WriteStartDocument();
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bsonWriter.WriteEndDocument();
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} else {
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BsonSerializer.Serialize(bsonWriter, query, true); // serializeIdFirst
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}
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if (fields != null) {
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BsonSerializer.Serialize(bsonWriter, fields);
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}
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}
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#endregion
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}
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}
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