MapReduceOperationTResult Class

Represents a map-reduce operation.

Inheritance Hierarchy

SystemObject
MongoDB.Driver.Core.OperationsMapReduceOperationBase
MongoDB.Driver.Core.OperationsMapReduceOperationTResult

Namespace: MongoDB.Driver.Core.Operations
Assembly: MongoDB.Driver.Core (in MongoDB.Driver.Core.dll) Version: 2.6.0+Branch.origin/v2.6.x.Sha.593796a7b35dc59243383bcc684de296a5468f2e

Syntax

Copy

public class MapReduceOperation<TResult> : MapReduceOperationBase, 
	IReadOperation<IAsyncCursor<TResult>>

Public Class MapReduceOperation(Of TResult)
	Inherits MapReduceOperationBase
	Implements IReadOperation(Of IAsyncCursor(Of TResult))

type MapReduceOperation<'TResult> =  
    class
        inherit MapReduceOperationBase
        interface IReadOperation<IAsyncCursor<'TResult>>
    end

Type Parameters

TResult: The type of the result.

The MapReduceOperationTResult type exposes the following members.

Constructors

	Name	Description
	MapReduceOperationTResult	Initializes a new instance of the MapReduceOperationTResult class.

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Properties

	Name	Description
	Collation	Gets or sets the collation. (Inherited from MapReduceOperationBase.)
	CollectionNamespace	Gets the collection namespace. (Inherited from MapReduceOperationBase.)
	Filter	Gets or sets the filter. (Inherited from MapReduceOperationBase.)
	FinalizeFunction	Gets or sets the finalize function. (Inherited from MapReduceOperationBase.)
	JavaScriptMode	Gets or sets a value indicating whether objects emitted by the map function remain as JavaScript objects. (Inherited from MapReduceOperationBase.)
	Limit	Gets or sets the maximum number of documents to pass to the map function. (Inherited from MapReduceOperationBase.)
	MapFunction	Gets the map function. (Inherited from MapReduceOperationBase.)
	MaxTime	Gets or sets the maximum time the server should spend on this operation. (Inherited from MapReduceOperationBase.)
	MessageEncoderSettings	Gets the message encoder settings. (Inherited from MapReduceOperationBase.)
	ReadConcern	Gets or sets the read concern.
	ReduceFunction	Gets the reduce function. (Inherited from MapReduceOperationBase.)
	ResultSerializer	Gets the result serializer.
	Scope	Gets or sets the scope document. (Inherited from MapReduceOperationBase.)
	Sort	Gets or sets the sort specification. (Inherited from MapReduceOperationBase.)
	Verbose	Gets or sets a value indicating whether to include extra information, such as timing, in the result. (Inherited from MapReduceOperationBase.)

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Methods

	Name	Description
	CreateCommand	Creates the command. (Overrides MapReduceOperationBaseCreateCommand(ConnectionDescription, ICoreSession).)
	CreateOutputOptions	Creates the output options. (Overrides MapReduceOperationBaseCreateOutputOptions.)
	Equals	(Inherited from Object.)
	Execute	Executes the operation.
	ExecuteAsync	Executes the operation.
	Finalize	(Inherited from Object.)
	GetHashCode	(Inherited from Object.)
	GetType	(Inherited from Object.)
	MemberwiseClone	(Inherited from Object.)
	ToString	(Inherited from Object.)

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Extension Methods

	Name	Description
	ExecuteIAsyncCursorTResult	Executes a read operation using a channel source. (Defined by OperationExtensionMethods.)
	ExecuteAsyncIAsyncCursorTResult	Executes a read operation using a channel source. (Defined by OperationExtensionMethods.)
	ToBson	Serializes an object to a BSON byte array. (Defined by BsonExtensionMethods.)
	ToBsonDocument	Serializes an object to a BsonDocument. (Defined by BsonExtensionMethods.)
	ToJson	Serializes an object to a JSON string. (Defined by BsonExtensionMethods.)

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Reference

MongoDB.Driver.Core.Operations Namespace

MapReduceOperationAddLanguageSpecificTextSet("LSTBA540283_0?cs=&lt;|vb=(Of |cpp=&lt;|fs=&lt;'|nu=(");TResultAddLanguageSpecificTextSet("LSTBA540283_1?cs=&gt;|vb=)|cpp=&gt;|fs=&gt;|nu=)"); Class

Type Parameters

Reference

MapReduceOperationTResult Class