| // Licensed to 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. Apache Software Foundation (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 api |
| |
| import ( |
| "context" |
| "time" |
| ) |
| |
| // ShutdownHookTime is the global shutdown hook time. |
| var ShutdownHookTime = time.Second * 5 |
| |
| // Module id a custom plugin interface, which defines the processing. |
| type Module interface { |
| // Prepare would do some preparing workers, such build connection with external services. |
| Prepare() error |
| // Boot would start the module and return error when started failed. When a stop signal received |
| // or an exception occurs, the shutdown function would be called. |
| Boot(ctx context.Context) |
| |
| // Shutdown could do some clean job to close Module. |
| Shutdown() |
| } |