github.com/mmatczuk/gohan@v0.0.0-20170206152520-30e45d9bdb69/extension/multienv.go (about) 1 // Copyright (C) 2016 Juniper Networks, Inc. 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or 12 // implied. 13 // See the License for the specific language governing permissions and 14 // limitations under the License. 15 16 package extension 17 18 import "github.com/cloudwan/gohan/schema" 19 20 //MultiEnvironment can handle multiple environment 21 type MultiEnvironment struct { 22 childEnv []Environment 23 } 24 25 //NewEnvironment create new gohan extension environment based on context 26 func NewEnvironment(envs []Environment) *MultiEnvironment { 27 env := &MultiEnvironment{ 28 childEnv: envs, 29 } 30 env.SetUp() 31 return env 32 } 33 34 //SetUp initialize environment 35 func (env *MultiEnvironment) SetUp() { 36 } 37 38 //LoadExtensionsForPath for returns extensions for specific path 39 func (env *MultiEnvironment) LoadExtensionsForPath(extensions []*schema.Extension, path string) error { 40 for _, env := range env.childEnv { 41 err := env.LoadExtensionsForPath(extensions, path) 42 if err != nil { 43 return err 44 } 45 } 46 return nil 47 } 48 49 //HandleEvent handles event 50 func (env *MultiEnvironment) HandleEvent(event string, context map[string]interface{}) error { 51 for _, env := range env.childEnv { 52 err := env.HandleEvent(event, context) 53 if err != nil { 54 return err 55 } 56 } 57 return nil 58 } 59 60 //Clone makes clone of the environment 61 func (env *MultiEnvironment) Clone() Environment { 62 newEnv := NewEnvironment([]Environment{}) 63 for _, env := range env.childEnv { 64 newEnv.childEnv = append(newEnv.childEnv, env.Clone()) 65 } 66 return newEnv 67 }