binding/mdsal-binding-dom-adapter/src/main/java/org/opendaylight/mdsal/binding/dom/adapter/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.mdsal.binding.dom.adapter;
   9
  10 import org.opendaylight.mdsal.dom.api.DOMMountPoint;
  11 import org.opendaylight.mdsal.dom.api.DOMMountPointService;
  12
  13 import org.opendaylight.mdsal.binding.api.MountPoint;
  14 import org.opendaylight.mdsal.binding.api.MountPointService;
  15 import com.google.common.base.Optional;
  16 import com.google.common.cache.CacheBuilder;
  17 import com.google.common.cache.CacheLoader;
  18 import com.google.common.cache.LoadingCache;
  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
  26 public class BindingDOMMountPointServiceAdapter implements MountPointService {
  27
  28     public static final Logger LOG = LoggerFactory.getLogger(BindingDOMMountPointServiceAdapter.class);
  29
  30     private final BindingToNormalizedNodeCodec codec;
  31     private final DOMMountPointService mountService;
  32     private final LoadingCache<DOMMountPoint, BindingMountPointAdapter> bindingMountpoints = CacheBuilder.newBuilder()
  33             .weakKeys().build(new CacheLoader<DOMMountPoint, BindingMountPointAdapter>() {
  34
  35                 @Override
  36                 public BindingMountPointAdapter load(DOMMountPoint key) throws Exception {
  37                     return new BindingMountPointAdapter(codec,key);
  38                 }
  39             });
  40
  41     public BindingDOMMountPointServiceAdapter(DOMMountPointService mountService,BindingToNormalizedNodeCodec codec) {
  42         this.codec = codec;
  43         this.mountService = mountService;
  44     }
  45
  46     @Override
  47     public Optional<MountPoint> getMountPoint(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(InstanceIdentifier<?> path,
  59             T listener) {
  60         return new BindingDOMMountPointListenerAdapter<T>(listener,codec,mountService);
  61     }
  62
  63 }