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payment/src/main/java/org/killbill/billing/payment/core/PaymentExecutors.java
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| /* | ||
| * Copyright 2014-2015 Groupon, Inc | ||
| * Copyright 2014-2015 The Billing Project, LLC | ||
| * | ||
| * The Billing Project 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. | ||
| */ | ||
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| package org.killbill.billing.payment.core; | ||
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| import java.util.concurrent.ExecutorService; | ||
| import java.util.concurrent.LinkedBlockingQueue; | ||
| import java.util.concurrent.ScheduledExecutorService; | ||
| import java.util.concurrent.ThreadFactory; | ||
| import java.util.concurrent.TimeUnit; | ||
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| import javax.inject.Inject; | ||
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| import org.killbill.billing.util.config.PaymentConfig; | ||
| import org.killbill.commons.concurrent.Executors; | ||
| import org.killbill.commons.concurrent.WithProfilingThreadPoolExecutor; | ||
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| public class PaymentExecutors { | ||
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| private static final long TIMEOUT_EXECUTOR_SEC = 3L; | ||
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| private static final String PLUGIN_THREAD_PREFIX = "Plugin-th-"; | ||
| private static final String PAYMENT_PLUGIN_TH_GROUP_NAME = "pay-plugin-grp"; | ||
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| public static final String JANITOR_EXECUTOR_NAMED = "JanitorExecutor"; | ||
| public static final String PLUGIN_EXECUTOR_NAMED = "PluginExecutor"; | ||
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| private final PaymentConfig paymentConfig; | ||
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| private volatile ExecutorService pluginExecutorService; | ||
| private volatile ScheduledExecutorService janitorExecutorService; | ||
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| @Inject | ||
| public PaymentExecutors(PaymentConfig paymentConfig) { | ||
| this.paymentConfig = paymentConfig; | ||
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| } | ||
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| public void initialize() { | ||
| this.pluginExecutorService = createPluginExecutorService(); | ||
| this.janitorExecutorService = createJanitorExecutorService(); | ||
| } | ||
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| public void stop() throws InterruptedException { | ||
| pluginExecutorService.shutdownNow(); | ||
| janitorExecutorService.shutdownNow(); | ||
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| pluginExecutorService.awaitTermination(TIMEOUT_EXECUTOR_SEC, TimeUnit.SECONDS); | ||
| pluginExecutorService = null; | ||
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| janitorExecutorService.awaitTermination(TIMEOUT_EXECUTOR_SEC, TimeUnit.SECONDS); | ||
| janitorExecutorService = null; | ||
| } | ||
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| public ExecutorService getPluginExecutorService() { | ||
| return pluginExecutorService; | ||
| } | ||
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| public ScheduledExecutorService getJanitorExecutorService() { | ||
| return janitorExecutorService; | ||
| } | ||
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| private ExecutorService createPluginExecutorService() { | ||
| return new WithProfilingThreadPoolExecutor(paymentConfig.getPaymentPluginThreadNb(), | ||
| paymentConfig.getPaymentPluginThreadNb(), | ||
| 0L, | ||
| TimeUnit.MILLISECONDS, | ||
| new LinkedBlockingQueue<Runnable>(), | ||
| new ThreadFactory() { | ||
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| @Override | ||
| public Thread newThread(final Runnable r) { | ||
| final Thread th = new Thread(new ThreadGroup(PAYMENT_PLUGIN_TH_GROUP_NAME), r); | ||
| th.setName(PLUGIN_THREAD_PREFIX + th.getId()); | ||
| return th; | ||
| } | ||
| }); | ||
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| } | ||
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| private ScheduledExecutorService createJanitorExecutorService() { | ||
| return Executors.newSingleThreadScheduledExecutor("PaymentJanitor"); | ||
| } | ||
| } |
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