binding/mdsal-binding-dom-adapter/src/main/java/org/opendaylight/mdsal/binding/dom/adapter/BindingMountPointAdapter.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 com.google.common.cache.CacheBuilder;
  11 import com.google.common.cache.LoadingCache;
  12 import java.util.Optional;
  13 import org.opendaylight.mdsal.binding.api.BindingService;
  14 import org.opendaylight.mdsal.binding.api.MountPoint;
  15 import org.opendaylight.mdsal.dom.api.DOMMountPoint;
  16 import org.opendaylight.mdsal.dom.api.DOMService;
  17 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  18
  19 final class BindingMountPointAdapter implements MountPoint {
  20     private final InstanceIdentifier<?> identifier;
  21     private final LoadingCache<Class<? extends BindingService>, Optional<BindingService>> services;
  22
  23     BindingMountPointAdapter(final AdapterContext codec, final DOMMountPoint domMountPoint) {
  24         identifier = codec.currentSerializer().fromYangInstanceIdentifier(domMountPoint.getIdentifier());
  25         services = CacheBuilder.newBuilder().build(new BindingDOMAdapterLoader(codec) {
  26             @Override
  27             @SuppressWarnings({ "rawtypes", "unchecked" })
  28             protected DOMService<?, ?> getDelegate(final Class<? extends DOMService<?, ?>> reqDeleg) {
  29                 return reqDeleg.cast(domMountPoint.getService((Class) reqDeleg).orElse(null));
  30             }
  31         });
  32     }
  33
  34     @Override
  35     public InstanceIdentifier<?> getIdentifier() {
  36         return identifier;
  37     }
  38
  39     @Override
  40     public <T extends BindingService> Optional<T> getService(final Class<T> service) {
  41         return services.getUnchecked(service).map(service::cast);
  42     }
  43 }