package Ġcom . example . recorder . repository Ċ Ċ import Ġcom . example . recorder . model . Record Device Ċ import Ġorg . springframework . data . repository . Repository Ċ Ċ interface ĠRecord Device Repository : ĠRepository < Record Device , ĠLong > Ġ{ ĊĊĠĠĠ Ġfun Ġsave ( record Device : ĠRecord Device ): ĠRecord Device ĊĊĠĠĠ Ġfun ĠfindAll (): ĠList < Record Device > ĊĊĠĠĠ Ġfun Ġfind ById ( record DeviceId : ĠLong ): ĠList < Record Device > ĊĊĠĠĠ Ġfun Ġdelete ById ( record DeviceId : ĠLong ) Ċ Ċ }