go.temporal.io/server@v1.23.0/common/persistence/sql/store.go (about) 1 // The MIT License 2 // 3 // Copyright (c) 2020 Temporal Technologies Inc. All rights reserved. 4 // 5 // Copyright (c) 2020 Uber Technologies, Inc. 6 // 7 // Permission is hereby granted, free of charge, to any person obtaining a copy 8 // of this software and associated documentation files (the "Software"), to deal 9 // in the Software without restriction, including without limitation the rights 10 // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 11 // copies of the Software, and to permit persons to whom the Software is 12 // furnished to do so, subject to the following conditions: 13 // 14 // The above copyright notice and this permission notice shall be included in 15 // all copies or substantial portions of the Software. 16 // 17 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 18 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 19 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 20 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 21 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 22 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 23 // THE SOFTWARE. 24 25 package sql 26 27 import ( 28 "fmt" 29 30 "go.temporal.io/server/common/config" 31 "go.temporal.io/server/common/persistence/sql/sqlplugin" 32 "go.temporal.io/server/common/resolver" 33 ) 34 35 var supportedPlugins = map[string]sqlplugin.Plugin{} 36 37 // RegisterPlugin will register a SQL plugin 38 func RegisterPlugin(pluginName string, plugin sqlplugin.Plugin) { 39 if _, ok := supportedPlugins[pluginName]; ok { 40 panic("plugin " + pluginName + " already registered") 41 } 42 supportedPlugins[pluginName] = plugin 43 } 44 45 // NewSQLDB creates a returns a reference to a logical connection to the 46 // underlying SQL database. The returned object is to tied to a single 47 // SQL database and the object can be used to perform CRUD operations on 48 // the tables in the database 49 func NewSQLDB( 50 dbKind sqlplugin.DbKind, 51 cfg *config.SQL, 52 r resolver.ServiceResolver, 53 ) (sqlplugin.DB, error) { 54 plugin, ok := supportedPlugins[cfg.PluginName] 55 56 if !ok { 57 return nil, fmt.Errorf("not supported plugin %v, only supported: %v", cfg.PluginName, supportedPlugins) 58 } 59 60 return plugin.CreateDB(dbKind, cfg, r) 61 } 62 63 // NewSQLAdminDB returns a AdminDB 64 func NewSQLAdminDB( 65 dbKind sqlplugin.DbKind, 66 cfg *config.SQL, 67 r resolver.ServiceResolver, 68 ) (sqlplugin.AdminDB, error) { 69 plugin, ok := supportedPlugins[cfg.PluginName] 70 if !ok { 71 return nil, fmt.Errorf("not supported plugin %v, only supported: %v", cfg.PluginName, supportedPlugins) 72 } 73 74 return plugin.CreateAdminDB(dbKind, cfg, r) 75 }