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 import java.util.Collection;
  12
  13 import javax.management.InstanceAlreadyExistsException;
  14 import javax.management.MBeanServer;
  15
  16 import org.opendaylight.controller.config.manager.impl.ConfigRegistryImpl;
  17 import org.opendaylight.controller.config.manager.impl.jmx.ConfigRegistryJMXRegistrator;
  18 import org.opendaylight.controller.config.manager.impl.osgi.mapping.ModuleInfoBundleTracker;
  19 import org.opendaylight.controller.config.manager.impl.osgi.mapping.RuntimeGeneratedMappingServiceActivator;
  20 import org.opendaylight.controller.config.spi.ModuleFactory;
  21 import org.opendaylight.yangtools.concepts.ObjectRegistration;
  22 import org.opendaylight.yangtools.yang.binding.YangModuleInfo;
  23 import org.opendaylight.yangtools.yang.data.impl.codec.CodecRegistry;
  24 import org.osgi.framework.BundleActivator;
  25 import org.osgi.framework.BundleContext;
  26 import org.osgi.framework.ServiceRegistration;
  27 import org.osgi.util.tracker.ServiceTracker;
  28 import org.slf4j.Logger;
  29 import org.slf4j.LoggerFactory;
  30
  31 public class ConfigManagerActivator implements BundleActivator {
  32     private static final Logger logger = LoggerFactory.getLogger(ConfigManagerActivator.class);
  33
  34     private final MBeanServer configMBeanServer = ManagementFactory.getPlatformMBeanServer();
  35     private ExtensibleBundleTracker<Collection<ObjectRegistration<YangModuleInfo>>> bundleTracker;
  36     private ConfigRegistryImpl configRegistry;
  37     private ConfigRegistryJMXRegistrator configRegistryJMXRegistrator;
  38     private ServiceRegistration<?> configRegistryServiceRegistration;
  39     private RuntimeGeneratedMappingServiceActivator mappingServiceActivator;
  40
  41     @Override
  42     public void start(BundleContext context) {
  43
  44         // track bundles containing YangModuleInfo
  45         ModuleInfoBundleTracker moduleInfoBundleTracker = new ModuleInfoBundleTracker();
  46         mappingServiceActivator = new RuntimeGeneratedMappingServiceActivator(moduleInfoBundleTracker);
  47         CodecRegistry codecRegistry = mappingServiceActivator.startRuntimeMappingService(context).getCodecRegistry();
  48
  49         // start config registry
  50         BundleContextBackedModuleFactoriesResolver bundleContextBackedModuleFactoriesResolver = new BundleContextBackedModuleFactoriesResolver(
  51                 context);
  52         configRegistry = new ConfigRegistryImpl(bundleContextBackedModuleFactoriesResolver, configMBeanServer,
  53                 codecRegistry);
  54
  55         // track bundles containing factories
  56         BlankTransactionServiceTracker blankTransactionServiceTracker = new BlankTransactionServiceTracker(
  57                 configRegistry);
  58         ModuleFactoryBundleTracker moduleFactoryBundleTracker = new ModuleFactoryBundleTracker(
  59                 blankTransactionServiceTracker);
  60
  61         // start extensible tracker
  62         bundleTracker = new ExtensibleBundleTracker<>(context, moduleInfoBundleTracker, moduleFactoryBundleTracker);
  63         bundleTracker.open();
  64
  65         // register config registry to OSGi
  66         configRegistryServiceRegistration = context.registerService(ConfigRegistryImpl.class, configRegistry, null);
  67
  68         // register config registry to jmx
  69         configRegistryJMXRegistrator = new ConfigRegistryJMXRegistrator(configMBeanServer);
  70         try {
  71             configRegistryJMXRegistrator.registerToJMX(configRegistry);
  72         } catch (InstanceAlreadyExistsException e) {
  73             throw new IllegalStateException("Config Registry was already registered to JMX", e);
  74         }
  75
  76         ServiceTracker<ModuleFactory, Object> serviceTracker = new ServiceTracker<>(context, ModuleFactory.class,
  77                 blankTransactionServiceTracker);
  78         serviceTracker.open();
  79     }
  80
  81     @Override
  82     public void stop(BundleContext context) {
  83         try {
  84             configRegistry.close();
  85         } catch (Exception e) {
  86             logger.warn("Exception while closing config registry", e);
  87         }
  88         try {
  89             bundleTracker.close();
  90         } catch (Exception e) {
  91             logger.warn("Exception while closing extender", e);
  92         }
  93         try {
  94             configRegistryJMXRegistrator.close();
  95         } catch (Exception e) {
  96             logger.warn(
  97                     "Exception while closing config registry jmx registrator",
  98                     e);
  99         }
 100         try {
 101             configRegistryServiceRegistration.unregister();
 102         } catch (Exception e) {
 103             logger.warn("Exception while unregistering config registry", e);
 104         }
 105         try {
 106             mappingServiceActivator.close();
 107         } catch (Exception e) {
 108             logger.warn("Exception while closing mapping service", e);
 109         }
 110     }
 111 }