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 static org.opendaylight.controller.config.manager.impl.util.OsgiRegistrationUtil.registerService;
  11 import static org.opendaylight.controller.config.manager.impl.util.OsgiRegistrationUtil.wrap;
  12
  13 import java.lang.management.ManagementFactory;
  14 import java.util.Arrays;
  15 import java.util.List;
  16 import javax.management.InstanceAlreadyExistsException;
  17 import javax.management.MBeanServer;
  18 import org.opendaylight.controller.config.manager.impl.ConfigRegistryImpl;
  19 import org.opendaylight.controller.config.manager.impl.jmx.ConfigRegistryJMXRegistrator;
  20 import org.opendaylight.controller.config.manager.impl.osgi.mapping.CodecRegistryProvider;
  21 import org.opendaylight.controller.config.manager.impl.osgi.mapping.ModuleInfoBundleTracker;
  22 import org.opendaylight.controller.config.manager.impl.osgi.mapping.RefreshingSCPModuleInfoRegistry;
  23 import org.opendaylight.controller.config.manager.impl.util.OsgiRegistrationUtil;
  24 import org.opendaylight.controller.config.spi.ModuleFactory;
  25 import org.opendaylight.yangtools.sal.binding.generator.impl.GeneratedClassLoadingStrategy;
  26 import org.opendaylight.yangtools.sal.binding.generator.impl.ModuleInfoBackedContext;
  27 import org.osgi.framework.BundleActivator;
  28 import org.osgi.framework.BundleContext;
  29 import org.osgi.util.tracker.ServiceTracker;
  30
  31 public class ConfigManagerActivator implements BundleActivator {
  32     private final MBeanServer configMBeanServer = ManagementFactory.getPlatformMBeanServer();
  33
  34     private AutoCloseable autoCloseable;
  35
  36     @Override
  37     public void start(final BundleContext context) {
  38
  39         ModuleInfoBackedContext moduleInfoBackedContext = ModuleInfoBackedContext.create();// the inner strategy is backed by thread context cl?
  40
  41         RefreshingSCPModuleInfoRegistry moduleInfoRegistryWrapper = new RefreshingSCPModuleInfoRegistry(
  42                 moduleInfoBackedContext, moduleInfoBackedContext, context);
  43
  44         ModuleInfoBundleTracker moduleInfoBundleTracker = new ModuleInfoBundleTracker(moduleInfoRegistryWrapper);
  45
  46         CodecRegistryProvider codecRegistryProvider = new CodecRegistryProvider(moduleInfoBackedContext, context);
  47
  48         // start config registry
  49         BundleContextBackedModuleFactoriesResolver bundleContextBackedModuleFactoriesResolver = new BundleContextBackedModuleFactoriesResolver(
  50                 context);
  51         ConfigRegistryImpl configRegistry = new ConfigRegistryImpl(bundleContextBackedModuleFactoriesResolver, configMBeanServer,
  52                 codecRegistryProvider.getCodecRegistry());
  53
  54         // track bundles containing factories
  55         BlankTransactionServiceTracker blankTransactionServiceTracker = new BlankTransactionServiceTracker(
  56                 configRegistry);
  57         ModuleFactoryBundleTracker primaryModuleFactoryBundleTracker = new ModuleFactoryBundleTracker(
  58                 blankTransactionServiceTracker);
  59
  60         // start extensible tracker
  61         ExtensibleBundleTracker<?> bundleTracker = new ExtensibleBundleTracker<>(context,
  62                 primaryModuleFactoryBundleTracker, moduleInfoBundleTracker);
  63         bundleTracker.open();
  64
  65         // register config registry to OSGi
  66         AutoCloseable clsReg = registerService(context, moduleInfoBackedContext, GeneratedClassLoadingStrategy.class);
  67         AutoCloseable configRegReg = registerService(context, configRegistry, ConfigRegistryImpl.class);
  68
  69         // register config registry to jmx
  70         ConfigRegistryJMXRegistrator configRegistryJMXRegistrator = new ConfigRegistryJMXRegistrator(configMBeanServer);
  71         try {
  72             configRegistryJMXRegistrator.registerToJMX(configRegistry);
  73         } catch (InstanceAlreadyExistsException e) {
  74             throw new IllegalStateException("Config Registry was already registered to JMX", e);
  75         }
  76
  77         // TODO wire directly via moduleInfoBundleTracker
  78         ServiceTracker<ModuleFactory, Object> serviceTracker = new ServiceTracker<>(context, ModuleFactory.class,
  79                 blankTransactionServiceTracker);
  80         serviceTracker.open();
  81
  82         List<AutoCloseable> list = Arrays.asList(
  83                 codecRegistryProvider, clsReg,configRegistry, wrap(bundleTracker), configRegReg, configRegistryJMXRegistrator, wrap(serviceTracker));
  84         autoCloseable = OsgiRegistrationUtil.aggregate(list);
  85     }
  86
  87     @Override
  88     public void stop(final BundleContext context) throws Exception {
  89         autoCloseable.close();
  90     }
  91 }