| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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 datasource |
| |
| import ( |
| "fmt" |
| |
| "github.com/go-chassis/openlog" |
| ) |
| |
| var ( |
| dataSourceInst DataSource |
| plugins = make(map[string]dataSourceEngine) |
| |
| logger openlog.Logger |
| ) |
| |
| func Logger() openlog.Logger { |
| return logger |
| } |
| |
| type dataSourceEngine func() DataSource |
| |
| func GetDataSource() DataSource { |
| return dataSourceInst |
| } |
| |
| func RegisterPlugin(name string, engineFunc dataSourceEngine) { |
| plugins[name] = engineFunc |
| } |
| |
| type Config struct { |
| Kind string |
| Logger openlog.Logger |
| } |
| |
| func Init(c *Config) error { |
| f, ok := plugins[c.Kind] |
| if !ok { |
| return fmt.Errorf("do not support %s", c.Kind) |
| } |
| if c.Logger != nil { |
| logger = c.Logger |
| } |
| |
| dataSourceInst = f() |
| return nil |
| } |
| |
| func GetTaskDao() TaskDao { |
| return dataSourceInst.TaskDao() |
| } |
| |
| func GetTombstoneDao() TombstoneDao { |
| return dataSourceInst.TombstoneDao() |
| } |