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.Registration;
  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 ExtensibleBundleTracker<Collection<Registration<YangModuleInfo>>> bundleTracker;
  35     private ConfigRegistryImpl configRegistry;
  36     private ConfigRegistryJMXRegistrator configRegistryJMXRegistrator;
  37     private ServiceRegistration configRegistryServiceRegistration;
  38
  39     private final MBeanServer configMBeanServer = ManagementFactory.getPlatformMBeanServer();
  40
  41     private RuntimeGeneratedMappingServiceActivator mappingServiceActivator;
  42
  43     @Override
  44     public void start(BundleContext context) {
  45
  46         // track bundles containing YangModuleInfo
  47         ModuleInfoBundleTracker moduleInfoBundleTracker = new ModuleInfoBundleTracker();
  48         mappingServiceActivator = new RuntimeGeneratedMappingServiceActivator(moduleInfoBundleTracker);
  49         CodecRegistry codecRegistry = mappingServiceActivator.startRuntimeMappingService(context).getCodecRegistry();
  50
  51         // start config registry
  52         BundleContextBackedModuleFactoriesResolver bundleContextBackedModuleFactoriesResolver = new BundleContextBackedModuleFactoriesResolver(
  53                 context);
  54         configRegistry = new ConfigRegistryImpl(bundleContextBackedModuleFactoriesResolver, configMBeanServer,
  55                 codecRegistry);
  56
  57         // track bundles containing factories
  58         BlankTransactionServiceTracker blankTransactionServiceTracker = new BlankTransactionServiceTracker(
  59                 configRegistry);
  60         ModuleFactoryBundleTracker moduleFactoryBundleTracker = new ModuleFactoryBundleTracker(
  61                 blankTransactionServiceTracker);
  62
  63         // start extensible tracker
  64         bundleTracker = new ExtensibleBundleTracker<>(context, moduleInfoBundleTracker, moduleFactoryBundleTracker);
  65         bundleTracker.open();
  66
  67         // register config registry to OSGi
  68         configRegistryServiceRegistration = context.registerService(ConfigRegistryImpl.class, configRegistry, null);
  69
  70         // register config registry to jmx
  71         configRegistryJMXRegistrator = new ConfigRegistryJMXRegistrator(configMBeanServer);
  72         try {
  73             configRegistryJMXRegistrator.registerToJMX(configRegistry);
  74         } catch (InstanceAlreadyExistsException e) {
  75             throw new IllegalStateException("Config Registry was already registered to JMX", e);
  76         }
  77
  78         ServiceTracker<ModuleFactory, Object> serviceTracker = new ServiceTracker<>(context, ModuleFactory.class,
  79                 blankTransactionServiceTracker);
  80         serviceTracker.open();
  81     }
  82
  83     @Override
  84     public void stop(BundleContext context) {
  85         try {
  86             configRegistry.close();
  87         } catch (Exception e) {
  88             logger.warn("Exception while closing config registry", e);
  89         }
  90         try {
  91             bundleTracker.close();
  92         } catch (Exception e) {
  93             logger.warn("Exception while closing extender", e);
  94         }
  95         try {
  96             configRegistryJMXRegistrator.close();
  97         } catch (Exception e) {
  98             logger.warn(
  99                     "Exception while closing config registry jmx registrator",
 100                     e);
 101         }
 102         try {
 103             configRegistryServiceRegistration.unregister();
 104         } catch (Exception e) {
 105             logger.warn("Exception while unregistering config registry", e);
 106         }
 107         try {
 108             mappingServiceActivator.close();
 109         } catch (Exception e) {
 110             logger.warn("Exception while closing mapping service", e);
 111         }
 112     }
 113 }