opendaylight/md-sal/sal-binding-broker/src/main/java/org/opendaylight/controller/sal/binding/codegen/impl/SingletonHolder.java

   1 package org.opendaylight.controller.sal.binding.codegen.impl;
   2
   3 import java.util.concurrent.ExecutorService;
   4 import java.util.concurrent.Executors;
   5 import java.util.concurrent.ScheduledExecutorService;
   6 import java.util.concurrent.ThreadFactory;
   7
   8 import org.opendaylight.controller.sal.binding.codegen.RuntimeCodeGenerator;
   9 import org.opendaylight.controller.sal.binding.spi.NotificationInvokerFactory;
  10
  11 import com.google.common.util.concurrent.ListeningExecutorService;
  12 import com.google.common.util.concurrent.MoreExecutors;
  13 import com.google.common.util.concurrent.ThreadFactoryBuilder;
  14
  15 import javassist.ClassPool;
  16
  17 public class SingletonHolder {
  18
  19     public static final ClassPool CLASS_POOL = new ClassPool();
  20     public static final org.opendaylight.controller.sal.binding.codegen.impl.RuntimeCodeGenerator RPC_GENERATOR_IMPL = new org.opendaylight.controller.sal.binding.codegen.impl.RuntimeCodeGenerator(
  21             CLASS_POOL);
  22     public static final RuntimeCodeGenerator RPC_GENERATOR = RPC_GENERATOR_IMPL;
  23     public static final NotificationInvokerFactory INVOKER_FACTORY = RPC_GENERATOR_IMPL.getInvokerFactory();
  24     private static ListeningExecutorService NOTIFICATION_EXECUTOR = null;
  25     private static ListeningExecutorService COMMIT_EXECUTOR = null;
  26
  27     public static synchronized final ListeningExecutorService getDefaultNotificationExecutor() {
  28         if (NOTIFICATION_EXECUTOR == null) {
  29             NOTIFICATION_EXECUTOR = createNamedExecutor("md-sal-binding-notification-%d");
  30         }
  31         return NOTIFICATION_EXECUTOR;
  32     }
  33
  34     public static synchronized final ListeningExecutorService getDefaultCommitExecutor() {
  35         if (COMMIT_EXECUTOR == null) {
  36             COMMIT_EXECUTOR = createNamedExecutor("md-sal-binding-commit-%d");
  37         }
  38
  39         return COMMIT_EXECUTOR;
  40     }
  41
  42     private static ListeningExecutorService createNamedExecutor(String format) {
  43         ThreadFactory factory = new ThreadFactoryBuilder().setDaemon(true).setNameFormat(format).build();
  44         ExecutorService executor = Executors.newCachedThreadPool(factory);
  45         return MoreExecutors.listeningDecorator(executor);
  46
  47     }
  48
  49 }