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db.go
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db.go
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/*
* Copyright 2020 The SealABC Authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package db
import (
"github.com/SealSC/SealABC/storage/db/dbDrivers/levelDB"
"github.com/SealSC/SealABC/storage/db/dbDrivers/simpleMysql"
"github.com/SealSC/SealABC/storage/db/dbInterface"
"github.com/SealSC/SealABC/storage/db/dbInterface/kvDatabase"
"github.com/SealSC/SealABC/storage/db/dbInterface/simpleSQLDatabase"
)
type kvDriverLoader func(cfg interface{}) (engine kvDatabase.IDriver, err error)
type simpleSQLDriverLoader func(cfg interface{}) (engine simpleSQLDatabase.IDriver, err error)
var kvDBDriverLoader = map[string]kvDriverLoader{
dbInterface.LevelDB: levelDB.NewDriver,
}
var simpleSQLDBDriverLoader = map[string] simpleSQLDriverLoader {
dbInterface.MySQL: simpleMysql.NewDriver,
}
func Load() {
simpleMysql.Load()
}
func NewKVDatabaseDriver(name string, cfg interface{}) (driver kvDatabase.IDriver, err error){
driverLoader, supported := kvDBDriverLoader[name]
if !supported {
return
}
driver, err = driverLoader(cfg)
return
}
func NewSimpleSQLDatabaseDriver(name string, cfg interface{}) (driver simpleSQLDatabase.IDriver, err error) {
driverLoader, supported := simpleSQLDBDriverLoader[name]
if !supported {
return
}
driver, err = driverLoader(cfg)
return
}