* 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.
* limitations under the License.
* ============LICENSE_END=========================================================
*/
-
package org.openecomp.sdc.be.components.distribution.engine;
import com.google.common.util.concurrent.ThreadFactoryBuilder;
-import org.openecomp.sdc.be.config.DistributionEngineConfiguration.DistributionNotificationTopicConfig;
-import org.openecomp.sdc.common.log.wrappers.Logger;
-
import java.util.concurrent.ExecutorService;
import java.util.concurrent.SynchronousQueue;
import java.util.concurrent.ThreadFactory;
import java.util.concurrent.ThreadPoolExecutor;
import java.util.concurrent.TimeUnit;
+import org.openecomp.sdc.be.config.DistributionEngineConfiguration.DistributionNotificationTopicConfig;
+import org.openecomp.sdc.common.log.wrappers.Logger;
public class NotificationExecutorService {
private static final Logger logger = Logger.getLogger(NotificationExecutorService.class.getName());
public ExecutorService createExcecutorService(DistributionNotificationTopicConfig distributionNotificationTopic) {
-
Integer minThreadPoolSize = distributionNotificationTopic.getMinThreadPoolSize();
if (minThreadPoolSize == null) {
minThreadPoolSize = 0;
}
-
Integer maxThreadPoolSize = distributionNotificationTopic.getMaxThreadPoolSize();
if (maxThreadPoolSize == null) {
maxThreadPoolSize = 10;
}
-
ThreadFactoryBuilder threadFactoryBuilder = new ThreadFactoryBuilder();
threadFactoryBuilder.setNameFormat("distribution-notification-thread-%d");
ThreadFactory threadFactory = threadFactoryBuilder.build();
-
return new ThreadPoolExecutor(minThreadPoolSize, maxThreadPoolSize, 60L, TimeUnit.SECONDS, new SynchronousQueue<>(), threadFactory);
}
public void shutdownAndAwaitTermination(ExecutorService pool, long maxTimeToWait) {
-
logger.debug("shutdown NotificationExecutorService");
pool.shutdown(); // Disable new tasks from being submitted
try {
// Wait a while for existing tasks to terminate
if (!pool.awaitTermination(maxTimeToWait, TimeUnit.SECONDS)) {
pool.shutdownNow(); // Cancel currently executing tasks
+
// Wait a while for tasks to respond to being cancelled
if (!pool.awaitTermination(maxTimeToWait, TimeUnit.SECONDS)) {
logger.debug("Failed to close executor service");
Thread.currentThread().interrupt();
}
}
-
}