| /* | |
| * 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. | |
| */ | |
| /// A live plugin's recoverable work prevents idle expiry, not explicit shutdown | |
| /// or executable handoff. Implementations read a cheap, nonblocking projection; | |
| /// durable plans and accepted Host executions retain their existing owners. | |
| pub trait BackgroundWork: Send + Sync { | |
| fn is_pending(&self) -> bool; | |
| /// Notify the owner after system resume. Must be nonblocking; recovery and | |
| /// duplicate notifications are handled by the existing work owner. | |
| fn wake(&self) {} | |
| } |