opendaylight/md-sal/sal-binding-broker/src/main/java/org/opendaylight/controller/md/sal/binding/impl/BindingDOMRpcServiceAdapter.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 static com.google.common.base.Preconditions.checkArgument;
  11
  12 import com.google.common.cache.CacheBuilder;
  13 import com.google.common.cache.CacheLoader;
  14 import com.google.common.cache.LoadingCache;
  15 import com.google.common.collect.ClassToInstanceMap;
  16 import com.google.common.collect.ImmutableSet;
  17 import java.util.Set;
  18 import org.opendaylight.controller.md.sal.binding.impl.BindingDOMAdapterBuilder.Factory;
  19 import org.opendaylight.controller.md.sal.dom.api.DOMRpcService;
  20 import org.opendaylight.controller.md.sal.dom.api.DOMService;
  21 import org.opendaylight.controller.sal.binding.api.RpcConsumerRegistry;
  22 import org.opendaylight.mdsal.binding.spec.reflect.BindingReflections;
  23 import org.opendaylight.yangtools.yang.binding.RpcService;
  24
  25 @Deprecated
  26 public class BindingDOMRpcServiceAdapter implements RpcConsumerRegistry {
  27
  28     protected static final Factory<RpcConsumerRegistry> BUILDER_FACTORY = Builder::new;
  29
  30     private final LoadingCache<Class<? extends RpcService>, RpcServiceAdapter> proxies = CacheBuilder.newBuilder()
  31             .weakKeys()
  32             .build(new CacheLoader<Class<? extends RpcService>, RpcServiceAdapter>() {
  33
  34                 @Override
  35                 public RpcServiceAdapter load(final Class<? extends RpcService> key) {
  36                     checkArgument(BindingReflections.isBindingClass(key));
  37                     checkArgument(key.isInterface(), "Supplied RPC service type must be interface.");
  38                     return new RpcServiceAdapter(key, codec, domService);
  39                 }
  40
  41             });
  42
  43     private final DOMRpcService domService;
  44     private final BindingToNormalizedNodeCodec codec;
  45
  46     public BindingDOMRpcServiceAdapter(final DOMRpcService domService, final BindingToNormalizedNodeCodec codec) {
  47         this.domService = domService;
  48         this.codec = codec;
  49     }
  50
  51     @SuppressWarnings("unchecked")
  52     @Override
  53     public <T extends RpcService> T getRpcService(final Class<T> rpcService) {
  54         checkArgument(rpcService != null, "Rpc Service needs to be specied.");
  55         return (T) proxies.getUnchecked(rpcService).getProxy();
  56     }
  57
  58     private static final class Builder extends BindingDOMAdapterBuilder<RpcConsumerRegistry> {
  59
  60         @Override
  61         protected RpcConsumerRegistry createInstance(final BindingToNormalizedNodeCodec codec,
  62                 final ClassToInstanceMap<DOMService> delegates) {
  63             final DOMRpcService domRpc  = delegates.getInstance(DOMRpcService.class);
  64             return new BindingDOMRpcServiceAdapter(domRpc  , codec);
  65         }
  66
  67         @Override
  68         public Set<? extends Class<? extends DOMService>> getRequiredDelegates() {
  69             return ImmutableSet.of(DOMRpcService.class);
  70         }
  71     }
  72 }