package Ġio . github . deb op . spring data . jpa . mapping . inheritance . joined Ċ Ċ import Ġorg . hibernate . annotations . Dynamic Insert Ċ import Ġorg . hibernate . annotations . Dynamic Update Ċ import Ġjava . io . Serializable Ċ import Ġjavax . persistence . Cascade Type . ALL Ċ import Ġjavax . persistence . Column Ċ import Ġjavax . persistence . Entity Ċ import Ġjavax . persistence . Fetch Type Ċ import Ġjavax . persistence . GeneratedValue Ċ import Ġjavax . persistence . Generation Type Ċ import Ġjavax . persistence . Id Ċ import Ġjavax . persistence . Index Ċ import Ġjavax . persistence . Inheritance Ċ import Ġjavax . persistence . Inheritance Type Ċ import Ġjavax . persistence . JoinColumn Ċ import Ġjavax . persistence . ManyToOne Ċ import Ġjavax . persistence . OneToMany Ċ import Ġjavax . persistence . Table ĊĊ Ċ @ Entity ( name Ġ= Ġ" joined _ person ") Ċ @ Inheritance ( strategy Ġ= ĠInherit ance Type . JOIN ED ) Ċ @ Table ( indexes Ġ= Ġ[ Index ( name Ġ= Ġ" ix _ joined _ person _ name ", Ġcolumn List Ġ= Ġ" person Name , Ġs sn ") ]) Ċ abstract Ġclass ĠAbstract Joined Person ( ĊĠĠĠ Ġ@ Id ĊĠĠĠ Ġ@ GeneratedValue ( strategy Ġ= ĠGeneration Type . IDENTITY ) ĊĠĠĠ Ġvar Ġid : ĠLong ? Ġ= Ġnull , ĊĊĠĠĠ Ġ@ Column ( name Ġ= Ġ" person Name ", Ġnullable Ġ= Ġfalse , Ġlength Ġ= Ġ 1 2 8 ) ĊĠĠĠ Ġopen Ġval Ġname : ĠString Ġ= Ġ"", ĊĊĠĠĠ Ġ@ Column ( name Ġ= Ġ" ss n ", Ġnullable Ġ= Ġfalse , Ġlength Ġ= Ġ 2 4 ) ĊĠĠĠ Ġopen Ġval Ġs sn : ĠString Ġ= Ġ"" Ċ ): ĠSerializable Ċ Ċ @ Entity ( name Ġ= Ġ" joined _ employee ") Ċ @ Table ( indexes Ġ= Ġ[ Index ( name Ġ= Ġ" ix _ joined _ employee _ emp no ", Ġcolumn List Ġ= Ġ" emp No ") ]) Ċ @ Dynamic Insert Ċ @ Dynamic Update Ċ data Ġclass ĠEmployee ( ĊĠĠĠ Ġoverride Ġval Ġname : ĠString Ġ= Ġ"", ĊĠĠĠ Ġoverride Ġval Ġs sn : ĠString Ġ= Ġ"", ĊĠĠĠ Ġ@ Column ( name Ġ= Ġ" emp No ", Ġnullable Ġ= Ġfalse , Ġlength Ġ= Ġ 1 2 ) ĊĠĠĠ Ġval Ġemp No : ĠString Ġ= Ġ"" Ċ ): ĠAbstract Joined Person () Ġ{ ĊĊĠĠĠ Ġ@ ManyToOne ( fetch Ġ= ĠFetch Type . LA ZY ) ĊĠĠĠ Ġ@ JoinColumn ( name Ġ= Ġ" manager _ id ") ĊĠĠĠ Ġvar Ġmanager : ĠEmployee ? Ġ= Ġnull ĊĊĠĠĠ Ġ@ OneToMany ( mapped By Ġ= Ġ" manager ", Ġcascade Ġ= Ġ[ ALL ]) ĊĠĠĠ Ġval Ġmembers : ĠMutable Set < Employee > Ġ= Ġhash Set Of () Ċ } ĊĊ Ċ @ Entity ( name Ġ= Ġ" joined _ customer ") Ċ @ Table ( indexes Ġ= Ġ[ Index ( name Ġ= Ġ" ix _ joined _ customer _ mobile ", Ġcolumn List Ġ= Ġ" mobile ") ]) Ċ @ Dynamic Insert Ċ @ Dynamic Update Ċ data Ġclass ĠCustomer ( ĊĠĠĠ Ġoverride Ġval Ġname : ĠString Ġ= Ġ"", ĊĠĠĠ Ġoverride Ġval Ġs sn : ĠString Ġ= Ġ"", ĊĠĠĠ Ġ@ Column ( name Ġ= Ġ" mobile ", Ġnullable Ġ= Ġfalse , Ġlength Ġ= Ġ 1 6 ) ĊĠĠĠ Ġval Ġmobile : ĠString Ġ= Ġ"" Ċ ): ĠAbstract Joined Person () Ġ{ ĊĊĠĠĠ Ġ@ ManyToOne ĊĠĠĠ Ġ@ JoinColumn ( name Ġ= Ġ" contact _ employee _ id ") ĊĠĠĠ Ġvar Ġcontact Employee : ĠEmployee ? Ġ= Ġnull Ċ Ċ }