package Ġcom . nim bus framework . nim bus local . clients Ċ Ċ import Ġcom . nim bus framework . nim bus core . annotations . database . Relational Database Definition Ċ import Ġcom . nim bus framework . nim bus core . clients . database . Database Client Ċ import Ġcom . nim bus framework . nim bus core . permissions . Permission Type Ċ import Ġjava . sql . Connection Ċ import Ġjava . sql . Driver Manager Ċ Ċ internal Ġclass ĠDatabase Client Local < T >( private Ġval Ġdatabase Object : ĠClass < T >): ĠDatabase Client , ĠLocal Client () Ġ{ ĊĊĠĠĠ Ġoverride Ġfun Ġcan Use (): ĠBoolean Ġ{ ĊĠĠĠĠĠĠĠ Ġreturn Ġcheck Permissions ( Permission Type . REL ATION AL _ DATABASE , Ġdatabase Object . canonical Name ) ĊĠĠĠ Ġ} ĊĊĠĠĠ Ġoverride Ġval Ġclient Name : ĠString Ġ= ĠDatabase Client :: class . java . simple Name ĊĊĠĠĠ Ġoverride Ġfun Ġget Connection (): ĠConnection Ġ{ ĊĠĠĠĠĠĠĠ Ġcheck Client Use () ĊĠĠĠĠĠĠĠ ĠClass . forName (" org . h 2 . Driver "). newInstance () ĊĠĠĠĠĠĠĠ Ġval Ġrel ational Database Ġ= Ġdatabase Object . getDeclared Annotation ( Relational Database Definition :: class . java ) ĊĠĠĠĠĠĠĠ Ġval Ġusername Ġ= Ġ" root " ĊĠĠĠĠĠĠĠ Ġval Ġpassword Ġ= Ġ"" ĊĠĠĠĠĠĠĠ Ġreturn ĠDriver Manager . getConnection (" jdbc : h 2 : mem :${ relational Database . name }; DB _ CLOSE _ DELAY =- 1 ", Ġusername , Ġpassword ) ĊĠĠĠ Ġ} ĊĊĠĠĠ Ġoverride Ġfun Ġget Connection ( database Name : ĠString , Ġcreate If NotExist : ĠBoolean ): ĠConnection Ġ{ ĊĠĠĠĠĠĠĠ Ġcheck Client Use () ĊĠĠĠĠĠĠĠ ĠClass . forName (" org . h 2 . Driver "). newInstance () ĊĠĠĠĠĠĠĠ Ġval Ġrel ational Database Ġ= Ġdatabase Object . getDeclared Annotation ( Relational Database Definition :: class . java ) ĊĠĠĠĠĠĠĠ Ġval Ġusername Ġ= Ġ" root " ĊĠĠĠĠĠĠĠ Ġval Ġpassword Ġ= Ġ"" ĊĠĠĠĠĠĠĠ Ġreturn ĠDriver Manager . getConnection (" jdbc : h 2 : mem :${ relational Database . name }$ database Name ; DB _ CLOSE _ DELAY =- 1 ", ĊĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠ Ġusername , ĊĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠ Ġpassword ) ĊĠĠĠ Ġ} Ċ }