opendaylight/md-sal/sal-binding-broker/src/main/java/org/opendaylight/controller/config/yang/md/sal/binding/impl/RuntimeMappingModuleFactory.java

   1 /*
   2  * Copyright (c) 2014 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.yang.md.sal.binding.impl;
   9
  10 import java.util.Collections;
  11 import java.util.Set;
  12
  13 import org.opendaylight.controller.config.api.DependencyResolver;
  14 import org.opendaylight.controller.config.api.DependencyResolverFactory;
  15 import org.opendaylight.controller.config.api.DynamicMBeanWithInstance;
  16 import org.opendaylight.controller.config.api.ModuleIdentifier;
  17 import org.opendaylight.controller.config.spi.Module;
  18 import org.osgi.framework.BundleContext;
  19
  20 /**
  21 *
  22 */
  23 public class RuntimeMappingModuleFactory extends
  24         org.opendaylight.controller.config.yang.md.sal.binding.impl.AbstractRuntimeMappingModuleFactory {
  25
  26     private static RuntimeMappingModule SINGLETON = null;
  27     private static ModuleIdentifier IDENTIFIER = new ModuleIdentifier(NAME, "runtime-mapping-singleton");
  28
  29     @Override
  30     public Module createModule(String instanceName, DependencyResolver dependencyResolver, BundleContext bundleContext) {
  31         throw new UnsupportedOperationException("Only default instance supported");
  32     }
  33
  34     @Override
  35     public Module createModule(String instanceName, DependencyResolver dependencyResolver,
  36             DynamicMBeanWithInstance old, BundleContext bundleContext) throws Exception {
  37         RuntimeMappingModule module = (RuntimeMappingModule) super.createModule(instanceName, dependencyResolver, old,
  38                 bundleContext);
  39         module.setBundleContext(bundleContext);
  40         return module;
  41     }
  42
  43     @Override
  44     public Set<RuntimeMappingModule> getDefaultModules(DependencyResolverFactory dependencyResolverFactory,
  45             BundleContext bundleContext) {
  46         if (SINGLETON == null) {
  47             DependencyResolver dependencyResolver = dependencyResolverFactory.createDependencyResolver(IDENTIFIER);
  48             SINGLETON = new RuntimeMappingModule(IDENTIFIER, dependencyResolver);
  49             SINGLETON.setBundleContext(bundleContext);
  50         }
  51
  52         return Collections.singleton(SINGLETON);
  53     }
  54
  55 }