opendaylight/commons/protocol-framework/src/test/java/org/opendaylight/controller/config/yang/protocol/framework/GlobalEventExecutorUtil.java

   1 /*
   2  * Copyright (c) 2013 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.controller.config.yang.protocol.framework;
   9
  10 import javax.management.InstanceAlreadyExistsException;
  11 import javax.management.InstanceNotFoundException;
  12 import javax.management.ObjectName;
  13
  14 import org.opendaylight.controller.config.util.ConfigTransactionJMXClient;
  15 import org.opendaylight.controller.config.yang.netty.eventexecutor.GlobalEventExecutorModuleFactory;
  16
  17 final class GlobalEventExecutorUtil {
  18
  19     private GlobalEventExecutorUtil() {
  20         throw new UnsupportedOperationException();
  21     }
  22
  23     public static ObjectName create(final ConfigTransactionJMXClient transaction) throws InstanceAlreadyExistsException {
  24         try {
  25             return transaction.lookupConfigBean(GlobalEventExecutorModuleFactory.NAME,
  26                     GlobalEventExecutorModuleFactory.SINGLETON_NAME);
  27         } catch (InstanceNotFoundException e) {
  28             try {
  29                 return transaction.createModule(GlobalEventExecutorModuleFactory.NAME,
  30                         GlobalEventExecutorModuleFactory.SINGLETON_NAME);
  31             } catch (InstanceAlreadyExistsException e1) {
  32                 throw new IllegalStateException(e1);
  33             }
  34         }
  35     }
  36
  37 }