renderers/ios-xe/src/main/java/org/opendaylight/groupbasedpolicy/renderer/ios_xe_provider/impl/IosXeRendererProviderImpl.java

   1 /*
   2  * Copyright (c) 2016 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
   9 package org.opendaylight.groupbasedpolicy.renderer.ios_xe_provider.impl;
  10
  11 import com.google.common.base.Preconditions;
  12 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  13 import org.opendaylight.controller.sal.binding.api.BindingAwareBroker;
  14 import org.opendaylight.controller.sal.binding.api.BindingAwareProvider;
  15 import org.opendaylight.groupbasedpolicy.renderer.ios_xe_provider.api.IosXeRendererProvider;
  16 import org.opendaylight.groupbasedpolicy.renderer.ios_xe_provider.impl.cache.EpPolicyCacheImpl;
  17 import org.opendaylight.groupbasedpolicy.renderer.ios_xe_provider.impl.listener.EpPolicyTemplateBySgtListenerImpl;
  18 import org.opendaylight.groupbasedpolicy.renderer.ios_xe_provider.impl.listener.RendererConfigurationListenerImpl;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.renderer.rev151103.RendererName;
  20 import org.slf4j.Logger;
  21 import org.slf4j.LoggerFactory;
  22
  23 /**
  24  * Purpose: bootstrap provider implementation of Ios-xe renderer
  25  */
  26 public class IosXeRendererProviderImpl implements IosXeRendererProvider, BindingAwareProvider {
  27
  28     private static final Logger LOG = LoggerFactory.getLogger(IosXeRendererProviderImpl.class);
  29
  30     private final DataBroker dataBroker;
  31     private final RendererName rendererName;
  32     private RendererConfigurationListenerImpl rendererConfigurationListener;
  33     private EpPolicyTemplateBySgtListenerImpl epPolicyTemplateBySgtListener;
  34     private EpPolicyCacheImpl epPolicyCache;
  35
  36     public IosXeRendererProviderImpl(final DataBroker dataBroker, final BindingAwareBroker broker,
  37                                      final RendererName rendererName) {
  38         LOG.debug("ios-xe renderer bootstrap");
  39         this.dataBroker = Preconditions.checkNotNull(dataBroker, "missing dataBroker dependency");
  40         this.rendererName = Preconditions.checkNotNull(rendererName, "missing rendererName param");
  41         broker.registerProvider(this);
  42     }
  43
  44     @Override
  45     public void close() {
  46         //TODO
  47         LOG.info("closing ios-xe renderer");
  48         if (rendererConfigurationListener != null) {
  49             rendererConfigurationListener.close();
  50         }
  51         if (epPolicyTemplateBySgtListener != null) {
  52             epPolicyTemplateBySgtListener.close();
  53         }
  54         if (epPolicyCache != null) {
  55             epPolicyCache.invalidateAll();
  56         }
  57     }
  58
  59     @Override
  60     public void onSessionInitiated(final BindingAwareBroker.ProviderContext providerContext) {
  61         LOG.info("starting ios-xe renderer");
  62         //TODO register listeners:
  63         // ep-policy-template-by-sgt
  64         epPolicyCache = new EpPolicyCacheImpl();
  65         epPolicyTemplateBySgtListener = new EpPolicyTemplateBySgtListenerImpl(dataBroker, epPolicyCache);
  66         // renderer-configuration endpoints
  67         rendererConfigurationListener = new RendererConfigurationListenerImpl(dataBroker, rendererName, epPolicyCache);
  68         // supported node list maintenance
  69         // TODO: upkeep of available renderer-nodes
  70     }
  71 }