opendaylight/md-sal/sal-binding-broker/src/main/java/org/opendaylight/controller/md/sal/binding/compat/HydrogenMountPointServiceAdapter.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.compat;
   9
  10 import com.google.common.base.Optional;
  11 import com.google.common.cache.CacheBuilder;
  12 import com.google.common.cache.CacheLoader;
  13 import com.google.common.cache.LoadingCache;
  14 import org.opendaylight.controller.md.sal.binding.api.MountPoint;
  15 import org.opendaylight.controller.md.sal.binding.api.MountPointService;
  16 import org.opendaylight.controller.sal.binding.api.mount.MountService;
  17 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  18
  19 @Deprecated
  20 public class HydrogenMountPointServiceAdapter implements MountService {
  21
  22     private final MountPointService delegate;
  23
  24     public HydrogenMountPointServiceAdapter(final MountPointService mountService) {
  25         delegate = mountService;
  26     }
  27
  28     private final LoadingCache<MountPoint, HydrogenMountInstanceAdapter> mountAdapters = CacheBuilder.newBuilder().weakKeys()
  29             .build(new CacheLoader<MountPoint, HydrogenMountInstanceAdapter>() {
  30
  31                 @Override
  32                 public HydrogenMountInstanceAdapter load(final MountPoint key) throws Exception {
  33                     return new HydrogenMountInstanceAdapter(key);
  34                 }
  35             });
  36
  37     @Override
  38     public HydrogenMountInstanceAdapter getMountPoint(final InstanceIdentifier<?> path) {
  39         final Optional<MountPoint> mount = delegate.getMountPoint(path);
  40         if (mount.isPresent()) {
  41             return mountAdapters.getUnchecked(mount.get());
  42         }
  43         return null;
  44     }
  45
  46     MountPointService getDelegate() {
  47         return delegate;
  48     }
  49 }