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