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12.5.5. Custom Services
12.5.5.1. About Custom Services 링크 복사링크가 클립보드에 복사되었습니다!
링크 복사링크가 클립보드에 복사되었습니다!
Once a
org.hibernate.service.ServiceRegistry
is built it is considered immutable; the services themselves might accept re-configuration, but immutability here means adding/replacing services. So another role provided by the org.hibernate.service.ServiceRegistryBuilder
is to allow tweaking of the services that will be contained in the org.hibernate.service.ServiceRegistry
generated from it.
There are two means to tell a
org.hibernate.service.ServiceRegistryBuilder
about custom services.
- Implement a
org.hibernate.service.spi.BasicServiceInitiator
class to control on-demand construction of the service class and add it to theorg.hibernate.service.ServiceRegistryBuilder
via itsaddInitiator
method. - Just instantiate the service class and add it to the
org.hibernate.service.ServiceRegistryBuilder
via itsaddService
method.
Either approach the adding a service approach or the adding an initiator approach are valid for extending a registry (adding new service roles) and overriding services (replacing service implementations).
Example 12.22. Use ServiceRegistryBuilder to Replace an Existing Service with a Custom Service