opendaylight/config/config-manager/src/main/java/org/opendaylight/controller/config/manager/impl/osgi/ConfigManagerActivator.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.manager.impl.osgi;
   9
  10 import java.lang.management.ManagementFactory;
  11
  12 import javax.management.MBeanServer;
  13
  14 import org.opendaylight.controller.config.manager.impl.ConfigRegistryImpl;
  15 import org.opendaylight.controller.config.manager.impl.jmx.ConfigRegistryJMXRegistrator;
  16 import org.opendaylight.controller.config.spi.ModuleFactory;
  17 import org.osgi.framework.BundleActivator;
  18 import org.osgi.framework.BundleContext;
  19 import org.osgi.util.tracker.ServiceTracker;
  20 import org.slf4j.Logger;
  21 import org.slf4j.LoggerFactory;
  22
  23 public class ConfigManagerActivator implements BundleActivator {
  24     private static final Logger logger = LoggerFactory
  25             .getLogger(ConfigManagerActivator.class);
  26
  27     private ExtenderBundleTracker extenderBundleTracker;
  28     private ConfigRegistryImpl configRegistry;
  29     private ConfigRegistryJMXRegistrator configRegistryJMXRegistrator;
  30
  31     @Override
  32     public void start(BundleContext context) throws Exception {
  33         BundleContextBackedModuleFactoriesResolver bundleContextBackedModuleFactoriesResolver =
  34                 new BundleContextBackedModuleFactoriesResolver(context);
  35         MBeanServer configMBeanServer = ManagementFactory.getPlatformMBeanServer();
  36         configRegistry = new ConfigRegistryImpl(
  37                 bundleContextBackedModuleFactoriesResolver, context,
  38                 configMBeanServer);
  39
  40         // register config registry to jmx
  41         configRegistryJMXRegistrator = new ConfigRegistryJMXRegistrator(configMBeanServer);
  42         configRegistryJMXRegistrator.registerToJMX(configRegistry);
  43
  44         // track bundles containing factories
  45         extenderBundleTracker = new ExtenderBundleTracker(context);
  46         extenderBundleTracker.open();
  47
  48         BlankTransactionServiceTracker customizer = new BlankTransactionServiceTracker(configRegistry);
  49         ServiceTracker<?, ?> serviceTracker = new ServiceTracker(context, ModuleFactory.class, customizer);
  50         serviceTracker.open();
  51     }
  52
  53     @Override
  54     public void stop(BundleContext context) throws Exception {
  55         try {
  56             configRegistry.close();
  57         } catch (Exception e) {
  58             logger.warn("Exception while closing config registry", e);
  59         }
  60         try {
  61             extenderBundleTracker.close();
  62         } catch (Exception e) {
  63             logger.warn("Exception while closing extender", e);
  64         }
  65         try {
  66             configRegistryJMXRegistrator.close();
  67         } catch (Exception e) {
  68             logger.warn(
  69                     "Exception while closing config registry jmx registrator",
  70                     e);
  71         }
  72     }
  73 }