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