| // Copyright (C) 2017 The Android Open Source Project |
| // |
| // 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.gcconductor.executor; |
| |
| import com.ericsson.gerrit.plugins.gcconductor.ShutdownListener; |
| import com.google.common.util.concurrent.ThreadFactoryBuilder; |
| import com.google.inject.Inject; |
| import com.google.inject.Singleton; |
| import java.util.concurrent.ScheduledThreadPoolExecutor; |
| import java.util.concurrent.ThreadFactory; |
| import java.util.concurrent.TimeUnit; |
| |
| @Singleton |
| class ScheduledEvaluator implements ShutdownListener { |
| |
| private final ScheduledEvaluationTask evaluationTask; |
| |
| private ScheduledThreadPoolExecutor scheduledExecutor; |
| |
| @Inject |
| public ScheduledEvaluator(ScheduledEvaluationTask evaluationTask) { |
| this.evaluationTask = evaluationTask; |
| } |
| |
| public void scheduleWith(long initialDelay, long interval) { |
| ThreadFactory threadFactory = |
| new ThreadFactoryBuilder().setNameFormat("ScheduledEvaluator-%d").build(); |
| scheduledExecutor = new ScheduledThreadPoolExecutor(1, threadFactory); |
| scheduledExecutor.scheduleAtFixedRate( |
| evaluationTask, initialDelay, interval, TimeUnit.MILLISECONDS); |
| } |
| |
| @Override |
| public void onShutdown() { |
| if (scheduledExecutor != null) { |
| scheduledExecutor.shutdownNow(); |
| } |
| } |
| } |