46 lines
886 B
Go
46 lines
886 B
Go
package db
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import (
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"errors"
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"fmt"
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)
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const (
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DriverMysql = "mysql"
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DriverSqlite3 = "sqlite3"
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)
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type ConnectionFactory struct {
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}
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type Connector interface {
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connect(config *DBConfig) *Connection
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}
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func (f ConnectionFactory) Make(config *DBConfig) *Connection {
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return f.MakeConnection(config)
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}
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func (f ConnectionFactory) MakeConnection(config *DBConfig) *Connection {
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return f.CreateConnection(config)
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}
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func (f ConnectionFactory) CreateConnection(config *DBConfig) *Connection {
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switch config.Driver {
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case DriverMysql:
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connector := MysqlConnector{}
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conn := connector.connect(config)
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return conn
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case DriverSqlite3:
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connector := SqliteConnector{}
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conn := connector.connect(config)
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return conn
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case "":
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panic(errors.New("a driver must be specified"))
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default:
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panic(errors.New(fmt.Sprintf("unsupported driver:%s", config.Driver)))
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}
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return nil
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}
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