ClientRegistrationRepository (spring-security-docs-manual 5.5.1 API)

All Known Implementing Classes:

InMemoryClientRegistrationRepository
```
public interface ClientRegistrationRepository
```
A repository for OAuth 2.0 / OpenID Connect 1.0 ClientRegistration(s).
NOTE: Client registration information is ultimately stored and owned by the associated Authorization Server. Therefore, this repository provides the capability to store a sub-set copy of the primary client registration information externally from the Authorization Server.

Since:

5.0

See Also:

ClientRegistration

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`ClientRegistration`	`findByRegistrationId(java.lang.String registrationId)`	Returns the client registration identified by the provided `registrationId`, or `null` if not found.

- Method Detail
  - findByRegistrationId
```
ClientRegistration findByRegistrationId(java.lang.String registrationId)
```
    Returns the client registration identified by the provided registrationId, or null if not found.
    
    Parameters:
    
    registrationId - the registration identifier
    
    Returns:
    
    the ClientRegistration if found, otherwise null