groupbasedpolicy/src/main/java/org/opendaylight/controller/config/yang/config/groupbasedpolicy/GroupbasedpolicyModule.java

   1 /*
   2  * Copyright (c) 2015 Cisco Systems, Inc.  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
   9 package org.opendaylight.controller.config.yang.config.groupbasedpolicy;
  10
  11 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  12 import org.opendaylight.controller.md.sal.common.api.data.TransactionCommitFailedException;
  13 import org.opendaylight.groupbasedpolicy.api.PolicyValidatorRegistry;
  14 import org.opendaylight.groupbasedpolicy.location.resolver.LocationResolver;
  15 import org.opendaylight.groupbasedpolicy.resolver.ForwardingResolver;
  16 import org.opendaylight.groupbasedpolicy.sf.SubjectFeatureDefinitionProvider;
  17 import org.opendaylight.groupbasedpolicy.sf.SupportedActionDefinitionListener;
  18 import org.opendaylight.groupbasedpolicy.sf.SupportedClassifierDefinitionListener;
  19 import org.slf4j.Logger;
  20 import org.slf4j.LoggerFactory;
  21
  22 public class GroupbasedpolicyModule extends org.opendaylight.controller.config.yang.config.groupbasedpolicy.AbstractGroupbasedpolicyModule {
  23
  24     private static final Logger LOG = LoggerFactory.getLogger(GroupbasedpolicyModule.class);
  25
  26     public GroupbasedpolicyModule(org.opendaylight.controller.config.api.ModuleIdentifier identifier, org.opendaylight.controller.config.api.DependencyResolver dependencyResolver) {
  27         super(identifier, dependencyResolver);
  28     }
  29
  30     public GroupbasedpolicyModule(org.opendaylight.controller.config.api.ModuleIdentifier identifier, org.opendaylight.controller.config.api.DependencyResolver dependencyResolver, org.opendaylight.controller.config.yang.config.groupbasedpolicy.GroupbasedpolicyModule oldModule, java.lang.AutoCloseable oldInstance) {
  31         super(identifier, dependencyResolver, oldModule, oldInstance);
  32     }
  33
  34     @Override
  35     public void customValidation() {
  36         // add custom validation form module attributes here.
  37     }
  38
  39     /**
  40      * On module start, creates SubjectFeatureDefinitionProvider instance, in order to put known Subject Feature Definitions to operational Datastore
  41      *
  42      * @return SubjectFeatureDefinitionProvider
  43      */
  44     @Override
  45     public java.lang.AutoCloseable createInstance() {
  46         DataBroker dataProvider = getDataBrokerDependency();
  47         PolicyValidatorRegistry validatorRegistry = getPolicyValidatorRegistryDependency();
  48
  49         try {
  50             Instance instance = new Instance(dataProvider, validatorRegistry);
  51             LOG.info("{} successfully started.", GroupbasedpolicyModule.class.getCanonicalName());
  52             return instance;
  53         } catch (TransactionCommitFailedException e) {
  54             LOG.error(
  55                     "Error creating instance of SubjectFeatureDefinitionProvider; Subject Feature Definitions were not put to Datastore");
  56             throw new RuntimeException(e);
  57         }
  58     }
  59
  60     private static class Instance implements AutoCloseable {
  61
  62         private final SubjectFeatureDefinitionProvider sfdp;
  63         private final SupportedClassifierDefinitionListener supportedClassifierDefinitionListener;
  64         private final SupportedActionDefinitionListener supportedActionDefinitionListener;
  65         private final LocationResolver locationResolver;
  66         private final ForwardingResolver forwardingResolver;
  67
  68         Instance(DataBroker dataProvider, PolicyValidatorRegistry validatorRegistry) throws TransactionCommitFailedException {
  69             sfdp = new SubjectFeatureDefinitionProvider(dataProvider);
  70             supportedClassifierDefinitionListener = new SupportedClassifierDefinitionListener(dataProvider, validatorRegistry);
  71             supportedActionDefinitionListener = new SupportedActionDefinitionListener(dataProvider);
  72             locationResolver = new LocationResolver(dataProvider);
  73             forwardingResolver = new ForwardingResolver(dataProvider);
  74         }
  75
  76         @Override
  77         public void close() throws Exception {
  78             sfdp.close();
  79             supportedClassifierDefinitionListener.close();
  80             supportedActionDefinitionListener.close();
  81             locationResolver.close();
  82             forwardingResolver.close();
  83         }
  84     }
  85
  86 }