| // Copyright (C) 2017 Ericsson |
| // |
| // Licensed 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 com.ericsson.gerrit.plugins.highavailability; |
| |
| import com.google.gerrit.extensions.events.LifecycleListener; |
| import com.google.gerrit.server.git.WorkQueue; |
| import com.google.inject.Provider; |
| |
| import java.util.concurrent.ScheduledThreadPoolExecutor; |
| |
| public abstract class ExecutorProvider |
| implements Provider<ScheduledThreadPoolExecutor>, LifecycleListener { |
| private WorkQueue.Executor executor; |
| |
| protected ExecutorProvider(WorkQueue workQueue, int threadPoolSize, |
| String threadNamePrefix) { |
| executor = workQueue.createQueue(threadPoolSize, threadNamePrefix); |
| } |
| |
| @Override |
| public void start() { |
| // do nothing |
| } |
| |
| @Override |
| public void stop() { |
| executor.shutdown(); |
| executor.unregisterWorkQueue(); |
| executor = null; |
| } |
| |
| @Override |
| public ScheduledThreadPoolExecutor get() { |
| return executor; |
| } |
| } |