| /* |
| * 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 org.apache.cassandra.concurrent; |
| |
| import java.util.concurrent.TimeUnit; |
| |
| import org.apache.cassandra.utils.Shared; |
| |
| import static org.apache.cassandra.utils.Shared.Scope.SIMULATION; |
| |
| @Shared(scope = SIMULATION) |
| public interface Shutdownable |
| { |
| boolean isTerminated(); |
| |
| /** |
| * Shutdown once any remaining work has completed (however this is defined for the implementation). |
| */ |
| void shutdown(); |
| |
| /** |
| * Shutdown immediately, possibly interrupting ongoing work, and cancelling work that is queued. |
| */ |
| Object shutdownNow(); |
| |
| /** |
| * Await termination of this object, i.e. the cessation of all current and future work. |
| */ |
| public boolean awaitTermination(long timeout, TimeUnit units) throws InterruptedException; |
| } |