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 org.opendaylight.controller.config.manager.impl.ConfigRegistryImpl;
  11 import org.opendaylight.controller.config.manager.impl.jmx.ConfigRegistryJMXRegistrator;
  12 import org.opendaylight.controller.config.manager.impl.osgi.mapping.CodecRegistryProvider;
  13 import org.opendaylight.controller.config.manager.impl.osgi.mapping.ModuleInfoBundleTracker;
  14 import org.opendaylight.controller.config.manager.impl.osgi.mapping.RefreshingSCPModuleInfoRegistry;
  15 import org.opendaylight.controller.config.manager.impl.util.OsgiRegistrationUtil;
  16 import org.opendaylight.controller.config.spi.ModuleFactory;
  17 import org.opendaylight.yangtools.concepts.ObjectRegistration;
  18 import org.opendaylight.yangtools.sal.binding.generator.impl.ModuleInfoBackedContext;
  19 import org.opendaylight.yangtools.yang.binding.YangModuleInfo;
  20 import org.osgi.framework.BundleActivator;
  21 import org.osgi.framework.BundleContext;
  22 import org.osgi.util.tracker.ServiceTracker;
  23
  24 import javax.management.InstanceAlreadyExistsException;
  25 import javax.management.MBeanServer;
  26 import java.lang.management.ManagementFactory;
  27 import java.util.Arrays;
  28 import java.util.Collection;
  29 import java.util.List;
  30
  31 import static org.opendaylight.controller.config.manager.impl.util.OsgiRegistrationUtil.registerService;
  32 import static org.opendaylight.controller.config.manager.impl.util.OsgiRegistrationUtil.wrap;
  33
  34 public class ConfigManagerActivator implements BundleActivator {
  35     private final MBeanServer configMBeanServer = ManagementFactory.getPlatformMBeanServer();
  36
  37     private AutoCloseable autoCloseable;
  38
  39     @Override
  40     public void start(BundleContext context) {
  41
  42         ModuleInfoBackedContext moduleInfoBackedContext = ModuleInfoBackedContext.create();// the inner strategy is backed by thread context cl?
  43
  44         RefreshingSCPModuleInfoRegistry moduleInfoRegistryWrapper = new RefreshingSCPModuleInfoRegistry(
  45                 moduleInfoBackedContext, moduleInfoBackedContext, context);
  46
  47         ModuleInfoBundleTracker moduleInfoBundleTracker = new ModuleInfoBundleTracker(moduleInfoRegistryWrapper);
  48
  49         CodecRegistryProvider codecRegistryProvider = new CodecRegistryProvider(moduleInfoBackedContext, context);
  50
  51         // start config registry
  52         BundleContextBackedModuleFactoriesResolver bundleContextBackedModuleFactoriesResolver = new BundleContextBackedModuleFactoriesResolver(
  53                 context);
  54         ConfigRegistryImpl configRegistry = new ConfigRegistryImpl(bundleContextBackedModuleFactoriesResolver, configMBeanServer,
  55                 codecRegistryProvider.getCodecRegistry());
  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         ExtensibleBundleTracker<Collection<ObjectRegistration<YangModuleInfo>>> bundleTracker = new ExtensibleBundleTracker<>(context, moduleInfoBundleTracker, moduleFactoryBundleTracker);
  65         bundleTracker.open();
  66
  67         // register config registry to OSGi
  68         AutoCloseable configRegReg = registerService(context, configRegistry, ConfigRegistryImpl.class);
  69
  70         // register config registry to jmx
  71         ConfigRegistryJMXRegistrator 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         // TODO wire directly via moduleInfoBundleTracker
  79         ServiceTracker<ModuleFactory, Object> serviceTracker = new ServiceTracker<>(context, ModuleFactory.class,
  80                 blankTransactionServiceTracker);
  81         serviceTracker.open();
  82
  83         List<AutoCloseable> list = Arrays.asList(
  84                 codecRegistryProvider, configRegistry, wrap(bundleTracker), configRegReg, configRegistryJMXRegistrator, wrap(serviceTracker));
  85         autoCloseable = OsgiRegistrationUtil.aggregate(list);
  86     }
  87
  88     @Override
  89     public void stop(BundleContext context) throws Exception {
  90         autoCloseable.close();
  91     }
  92 }