binding/mdsal-binding-dom-adapter/src/main/java/org/opendaylight/mdsal/binding/dom/adapter/BindingDOMMountPointListenerAdapter.java

   1 /*
   2  * Copyright (c) 2015 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.mdsal.binding.dom.adapter;
   9
  10 import org.opendaylight.mdsal.dom.api.DOMMountPointService;
  11
  12 import org.opendaylight.mdsal.binding.api.MountPointService.MountPointListener;
  13 import com.google.common.base.Optional;
  14 import org.opendaylight.controller.sal.core.api.mount.MountProvisionListener;
  15 import org.opendaylight.yangtools.concepts.ListenerRegistration;
  16 import org.opendaylight.yangtools.yang.binding.DataObject;
  17 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  18 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  19 import org.opendaylight.yangtools.yang.data.impl.codec.DeserializationException;
  20
  21 final class BindingDOMMountPointListenerAdapter<T extends MountPointListener> implements ListenerRegistration<T>, MountProvisionListener {
  22
  23     private final T listener;
  24     private final ListenerRegistration<MountProvisionListener> registration;
  25     private final BindingToNormalizedNodeCodec codec;
  26
  27     public BindingDOMMountPointListenerAdapter(final T listener, final BindingToNormalizedNodeCodec codec, final DOMMountPointService mountService) {
  28         this.listener = listener;
  29         this.codec = codec;
  30         this.registration = mountService.registerProvisionListener(this);
  31     }
  32
  33     @Override
  34     public T getInstance() {
  35         return listener;
  36     }
  37
  38     @Override
  39     public void close() {
  40         registration.close();
  41     }
  42
  43     @Override
  44     public void onMountPointCreated(final YangInstanceIdentifier path) {
  45         try {
  46             final InstanceIdentifier<? extends DataObject> bindingPath = toBinding(path);
  47             listener.onMountPointCreated(bindingPath);
  48         } catch (final DeserializationException e) {
  49             BindingDOMMountPointServiceAdapter.LOG.error("Unable to translate mountPoint path {}. Omitting event.",path,e);
  50         }
  51
  52     }
  53
  54     private InstanceIdentifier<? extends DataObject> toBinding(final YangInstanceIdentifier path) throws DeserializationException {
  55         final Optional<InstanceIdentifier<? extends DataObject>> instanceIdentifierOptional = codec.toBinding(path);
  56         if(instanceIdentifierOptional.isPresent()) {
  57             return instanceIdentifierOptional.get();
  58         } else {
  59             throw new DeserializationException("Deserialization unsuccessful, " + instanceIdentifierOptional);
  60         }
  61     }
  62
  63     @Override
  64     public void onMountPointRemoved(final YangInstanceIdentifier path) {
  65         try {
  66             final InstanceIdentifier<? extends DataObject> bindingPath = toBinding(path);
  67             listener.onMountPointRemoved(bindingPath);
  68         } catch (final DeserializationException e) {
  69             BindingDOMMountPointServiceAdapter.LOG.error("Unable to translate mountPoint path {}. Omitting event.",path,e);
  70         }
  71     }
  72 }