| /* |
| * 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 pusher |
| |
| import ( |
| core_model "github.com/apache/dubbo-kubernetes/pkg/core/resources/model" |
| "github.com/apache/dubbo-kubernetes/pkg/core/runtime/component" |
| ) |
| |
| // Pusher 's job is to push resource |
| type Pusher interface { |
| component.Component |
| // AddCallback add callback for target resource type using id |
| // for example, id is a unique id for every client, when resource changed for target resourceType, it will invoke callback |
| AddCallback(resourceType core_model.ResourceType, id string, callback ResourceChangedCallbackFn, filters ...ResourceChangedEventFilter) |
| // RemoveCallback remove callback |
| RemoveCallback(resourceType core_model.ResourceType, id string) |
| // InvokeCallback invoke a target callback |
| // for example, for a push request from client, invoke this function to push resource. |
| InvokeCallback(resourceType core_model.ResourceType, id string) |
| } |