opendaylight/md-sal/sal-binding-broker/src/main/java/org/opendaylight/controller/md/sal/binding/impl/BindingDOMMountPointServiceAdapter.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.annotations.VisibleForTesting;
  11 import com.google.common.base.Optional;
  12 import com.google.common.cache.CacheBuilder;
  13 import com.google.common.cache.CacheLoader;
  14 import com.google.common.cache.LoadingCache;
  15 import org.opendaylight.controller.md.sal.binding.api.MountPoint;
  16 import org.opendaylight.controller.md.sal.binding.api.MountPointService;
  17 import org.opendaylight.controller.md.sal.dom.api.DOMMountPoint;
  18 import org.opendaylight.controller.md.sal.dom.api.DOMMountPointService;
  19 import org.opendaylight.yangtools.concepts.ListenerRegistration;
  20 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  21 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  22 import org.slf4j.Logger;
  23 import org.slf4j.LoggerFactory;
  24
  25 @Deprecated
  26 public class BindingDOMMountPointServiceAdapter implements MountPointService {
  27     private static final Logger LOG = LoggerFactory.getLogger(BindingDOMMountPointServiceAdapter.class);
  28
  29     private final BindingToNormalizedNodeCodec codec;
  30     private final DOMMountPointService mountService;
  31     @VisibleForTesting
  32     final LoadingCache<DOMMountPoint, BindingMountPointAdapter> bindingMountpoints = CacheBuilder.newBuilder()
  33             .weakKeys().weakValues().build(new CacheLoader<DOMMountPoint, BindingMountPointAdapter>() {
  34                 @Override
  35                 public BindingMountPointAdapter load(final DOMMountPoint key) {
  36                     return new BindingMountPointAdapter(codec, key);
  37                 }
  38             });
  39
  40     public BindingDOMMountPointServiceAdapter(final DOMMountPointService mountService,
  41             final BindingToNormalizedNodeCodec codec) {
  42         this.codec = codec;
  43         this.mountService = mountService;
  44     }
  45
  46     @Override
  47     public Optional<MountPoint> getMountPoint(final InstanceIdentifier<?> mountPoint) {
  48
  49         YangInstanceIdentifier domPath = codec.toYangInstanceIdentifierBlocking(mountPoint);
  50         Optional<DOMMountPoint> domMount = mountService.getMountPoint(domPath);
  51         if (domMount.isPresent()) {
  52             return Optional.<MountPoint>fromNullable(bindingMountpoints.getUnchecked(domMount.get()));
  53         }
  54         return Optional.absent();
  55     }
  56
  57     @Override
  58     public <T extends MountPointListener> ListenerRegistration<T> registerListener(final InstanceIdentifier<?> path,
  59             final T listener) {
  60         return new BindingDOMMountPointListenerAdapter<>(listener, codec, mountService);
  61     }
  62 }