| Package | Description | 
|---|---|
| org.springframework.messaging.rsocket | Support for the RSocket protocol. | 
| org.springframework.messaging.rsocket.annotation.support | Support classes for working with annotated RSocket stream handling methods. | 
| Class and Description | 
|---|
| MetadataExtractor Strategy to extract a map of value(s) from  Payloadmetadata, which
 could be composite metadata with multiple entries. | 
| MetadataExtractorRegistry Stores registrations of extractors for metadata entries. | 
| RSocketConnectorConfigurer Strategy to apply configuration to an  RSocketConnector. | 
| RSocketRequester A thin wrapper around a sending  RSocketwith a fluent API accepting
 and returning higher level Objects for input and for output, along with
 methods to prepare routing and other metadata. | 
| RSocketRequester.Builder Builder to create a requester by connecting to a server. | 
| RSocketRequester.MetadataSpec Spec for providing additional composite metadata entries. | 
| RSocketRequester.RequestSpec Spec to declare the input for an RSocket request. | 
| RSocketRequester.RetrieveSpec Spec to declare the expected output for an RSocket request. | 
| RSocketStrategies Access to strategies for use by RSocket requester and responder components. | 
| RSocketStrategies.Builder The builder options for creating  RSocketStrategies. | 
| Class and Description | 
|---|
| MetadataExtractor Strategy to extract a map of value(s) from  Payloadmetadata, which
 could be composite metadata with multiple entries. | 
| RSocketStrategies Access to strategies for use by RSocket requester and responder components. |