| /* |
| * 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; |
| |
| /** |
| * Centralized location for shared executors |
| */ |
| public class ScheduledExecutors |
| { |
| /** |
| * This pool is used for periodic short (sub-second) tasks. |
| */ |
| public static final DebuggableScheduledThreadPoolExecutor scheduledTasks = new DebuggableScheduledThreadPoolExecutor("ScheduledTasks"); |
| |
| /** |
| * This executor is used for tasks that can have longer execution times, and usually are non periodic. |
| */ |
| public static final DebuggableScheduledThreadPoolExecutor nonPeriodicTasks = new DebuggableScheduledThreadPoolExecutor("NonPeriodicTasks"); |
| static |
| { |
| nonPeriodicTasks.setExecuteExistingDelayedTasksAfterShutdownPolicy(false); |
| } |
| |
| /** |
| * This executor is used for tasks that do not need to be waited for on shutdown/drain. |
| */ |
| public static final DebuggableScheduledThreadPoolExecutor optionalTasks = new DebuggableScheduledThreadPoolExecutor("OptionalTasks"); |
| } |