package Ġru . gar fid . art center . image . model . data . entity Ċ Ċ import Ġcom . fasterxml . jackson . annotation . Json Identity Info Ċ import Ġcom . fasterxml . jackson . annotation . JsonIgnore Ċ import Ġcom . fasterxml . jackson . annotation . Json Managed Reference Ċ import Ġcom . fasterxml . jackson . annotation . ObjectId Generators Ċ import Ġlombok . Equals And HashCode Ċ import Ġru . gar fid . art center . core . model . entity . util . Own able Base Entity Ċ import Ġru . gar fid . art center . room . model . entity . Room Ċ import Ġjavax . persistence .* Ċ Ċ @ Entity Ċ @ Table ( name Ġ= Ġ" image ") Ċ @ Inheritance ( strategy Ġ= ĠInherit ance Type . TABLE _ PER _ CLASS ) Ċ class ĠImage Ġ( ĊĠĠĠĠĠĠĠ Ġ@ ManyToOne ( fetch Ġ= ĠFetch Type . LA ZY ) ĊĠĠĠĠĠĠĠ Ġ@ JoinColumn ( name Ġ= Ġ" room _ id ", Ġnullable Ġ= Ġfalse ) ĊĠĠĠĠĠĠĠ Ġval Ġroom : ĠRoom Ġ= ĠRoom (), ĊĠĠĠĠĠĠĠ Ġ@ Column ( nullable Ġ= Ġfalse ) ĊĠĠĠĠĠĠĠ Ġval Ġname : ĠString Ġ= Ġ"", ĊĠĠĠĠĠĠĠ Ġ@ One ToOne ( mapped By Ġ= Ġ" image ", Ġfetch Ġ= ĠFetch Type . LA ZY ) ĊĠĠĠĠĠĠĠ Ġ@ Json Managed Reference ĊĠĠĠĠĠĠĠ Ġval Ġfile : ĠImage File Ġ= ĠImage File () Ċ ): ĠOwn able Base Entity ()