MapReduceOperationTResult Class |
Note: This API is now obsolete.
Represents a map-reduce operation.
Inheritance HierarchySystemObject
MongoDB.Driver.Core.OperationsMapReduceOperationBase
MongoDB.Driver.Core.OperationsMapReduceOperationTResult
MongoDB.Driver.Core.OperationsMapReduceOperationBase
MongoDB.Driver.Core.OperationsMapReduceOperationTResult
Namespace: MongoDB.Driver.Core.Operations
Assembly: MongoDB.Driver.Core (in MongoDB.Driver.Core.dll) Version: 2.21.0+5a9c3311e158910b88195f290e6d4b1b2715d2b2
Syntax[ObsoleteAttribute("Use Aggregation pipeline instead.")] public class MapReduceOperation<TResult> : MapReduceOperationBase, IReadOperation<IAsyncCursor<TResult>>
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.
|
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 | Obsolete.
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.) |
Methods| Name | Description | |
|---|---|---|
 | CreateCommand |
Creates the command.
(Overrides MapReduceOperationBaseCreateCommand(ICoreSessionHandle, ConnectionDescription).) |
| CreateOutputOptions |
Creates the output options.
(Overrides MapReduceOperationBaseCreateOutputOptions.) |
| Equals | Determines whether the specified object is equal to the current object. (Inherited from Object.) |
| Execute |
Executes the operation.
|
| ExecuteAsync |
Executes the operation.
|
| Finalize | Allows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection. (Inherited from Object.) |
| GetHashCode | Serves as the default hash function. (Inherited from Object.) |
| GetType | Gets the Type of the current instance. (Inherited from Object.) |
| MemberwiseClone | Creates a shallow copy of the current Object. (Inherited from Object.) |
| ToString | Returns a string that represents the current object. (Inherited from Object.) |
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.) |
See Also