| /* |
| * 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 registry |
| |
| import ( |
| "fmt" |
| ) |
| |
| import ( |
| "github.com/pkg/errors" |
| ) |
| |
| import ( |
| core_model "github.com/apache/dubbo-kubernetes/pkg/core/resources/model" |
| "github.com/apache/dubbo-kubernetes/pkg/plugins/resources/k8s/native/pkg/model" |
| ) |
| |
| // UnknownTypeError is returned by NewObject and NewList when the |
| // requested object type has not been registered. |
| type UnknownTypeError struct{ name string } |
| |
| var _ error = &UnknownTypeError{} |
| |
| func (u *UnknownTypeError) Error() string { |
| return fmt.Sprintf("unknown message type: %q", u.name) |
| } |
| |
| func (u *UnknownTypeError) Typename() string { |
| return u.name |
| } |
| |
| func NewTypeRegistry() TypeRegistry { |
| return &typeRegistry{ |
| objectTypes: make(map[string]model.KubernetesObject), |
| objectListTypes: make(map[string]model.KubernetesList), |
| } |
| } |
| |
| var _ TypeRegistry = &typeRegistry{} |
| |
| type typeRegistry struct { |
| objectTypes map[string]model.KubernetesObject |
| objectListTypes map[string]model.KubernetesList |
| } |
| |
| func (r *typeRegistry) RegisterObjectType(typ ResourceType, obj model.KubernetesObject) error { |
| name := core_model.FullName(typ) |
| if previous, ok := r.objectTypes[name]; ok { |
| return errors.Errorf("duplicate registration of KubernetesObject type under name %q: previous=%#v new=%#v", name, previous, obj) |
| } |
| r.objectTypes[name] = obj |
| return nil |
| } |
| |
| func (r *typeRegistry) RegisterObjectTypeIfAbsent(typ ResourceType, obj model.KubernetesObject) { |
| name := core_model.FullName(typ) |
| if _, exists := r.objectTypes[name]; exists { |
| return |
| } |
| r.objectTypes[name] = obj |
| } |
| |
| func (r *typeRegistry) RegisterListType(typ ResourceType, obj model.KubernetesList) error { |
| name := core_model.FullName(typ) |
| if previous, ok := r.objectListTypes[name]; ok { |
| return errors.Errorf("duplicate registration of KubernetesList type under name %q: previous=%#v new=%#v", name, previous, obj) |
| } |
| r.objectListTypes[name] = obj |
| return nil |
| } |
| |
| func (r *typeRegistry) RegisterListTypeIfAbsent(typ ResourceType, obj model.KubernetesList) { |
| name := core_model.FullName(typ) |
| if _, exists := r.objectListTypes[name]; exists { |
| return |
| } |
| r.objectListTypes[name] = obj |
| } |
| |
| func (r *typeRegistry) NewObject(typ ResourceType) (model.KubernetesObject, error) { |
| name := core_model.FullName(typ) |
| if obj, ok := r.objectTypes[name]; ok { |
| return obj.DeepCopyObject().(model.KubernetesObject), nil |
| } |
| return nil, &UnknownTypeError{name: name} |
| } |
| |
| func (r *typeRegistry) NewList(typ ResourceType) (model.KubernetesList, error) { |
| name := core_model.FullName(typ) |
| if obj, ok := r.objectListTypes[name]; ok { |
| return obj.DeepCopyObject().(model.KubernetesList), nil |
| } |
| return nil, &UnknownTypeError{name: name} |
| } |