facade

Documentation

Index

• type DbFacade
  • func (facade *DbFacade) GetDbConfig() *commonDb.DbConfig
  • func (facade *DbFacade) NewDbCtrl() *commonDb.DbController
  • func (facade *DbFacade) NewSqlxDbCtrl() *commonSqlx.DbController
  • func (facade *DbFacade) Open(dbConfig *commonDb.DbConfig) (err error)
  • func (facade *DbFacade) Release()
  • func (facade *DbFacade) SetReleaseCallback(callback func())

Types

type DbFacade

type DbFacade struct {
	SqlDb      *sql.DB
	SqlDbCtrl  *commonDb.DbController
	GormDb     *gorm.DB
	SqlxDb     *sqlx.DB
	SqlxDbCtrl *commonSqlx.DbController
	// contains filtered or unexported fields
}

Gives facade interface supporting multiple object of db

This facade supports:

gorm - github.com/jinzhu/gorm
sqlx - github.com/Cepave/open-falcon-backend/common/db/sqlx
database/sql.DB
dbCtrl

Release resources

In order to release resources in solid way, this facade provides "SetReleaseCallback(func())" to register callback function which gets called before this object releases the connections of database.

func (*DbFacade) GetDbConfig

func (facade *DbFacade) GetDbConfig() *commonDb.DbConfig

Gets the configuration of database.

Warning: the information of password is revealed

func (*DbFacade) NewDbCtrl

func (facade *DbFacade) NewDbCtrl() *commonDb.DbController

Generates a new controller of sql.DB

func (*DbFacade) NewSqlxDbCtrl

func (facade *DbFacade) NewSqlxDbCtrl() *commonSqlx.DbController

Generates a new controller of sqlx.DB

func (*DbFacade) Open

func (facade *DbFacade) Open(dbConfig *commonDb.DbConfig) (err error)

Open this facade with ping()

func (*DbFacade) Release

func (facade *DbFacade) Release()

Close the database, release the resources

func (*DbFacade) SetReleaseCallback

func (facade *DbFacade) SetReleaseCallback(callback func())

Sets the callback used before releasing connections