See: Description
| Interface | Description | 
|---|---|
| MessageCollectionCallback<T> | The callback to be used with the  MongoDbOutboundGatewayas an alternative to other query options on the gateway. | 
| Class | Description | 
|---|---|
| MongoDbOutboundGateway | Makes outbound operations to query a MongoDb database using a  MongoOperations | 
| MongoDbStoringMessageHandler | Implementation of  MessageHandlerwhich writes Message payload into a MongoDb collection
 identified by evaluation of theMongoDbStoringMessageHandler.collectionNameExpression. | 
| ReactiveMongoDbStoringMessageHandler | Implementation of  ReactiveMessageHandlerwhich writes
 Message payload into a MongoDb collection, using reactive MongoDb support, The
 collection is identified by evaluation of theReactiveMongoDbStoringMessageHandler.collectionNameExpression. |