binding/mdsal-binding-dom-adapter/src/main/java/org/opendaylight/mdsal/binding/dom/adapter/ActionServiceAdapter.java

   1 /*
   2  * Copyright (c) 2018 Pantheon Technologies, s.r.o. 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 static com.google.common.base.Preconditions.checkArgument;
  11
  12 import com.google.common.collect.ClassToInstanceMap;
  13 import com.google.common.collect.ImmutableSet;
  14 import java.lang.reflect.Proxy;
  15 import java.util.Set;
  16 import org.eclipse.jdt.annotation.NonNullByDefault;
  17 import org.opendaylight.mdsal.binding.api.ActionService;
  18 import org.opendaylight.mdsal.binding.api.ActionSpec;
  19 import org.opendaylight.mdsal.binding.api.DataTreeIdentifier;
  20 import org.opendaylight.mdsal.binding.dom.adapter.BindingDOMAdapterBuilder.Factory;
  21 import org.opendaylight.mdsal.binding.spec.reflect.BindingReflections;
  22 import org.opendaylight.mdsal.dom.api.DOMActionService;
  23 import org.opendaylight.mdsal.dom.api.DOMService;
  24 import org.opendaylight.yangtools.yang.binding.Action;
  25 import org.opendaylight.yangtools.yang.binding.DataObject;
  26 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  27
  28 @NonNullByDefault
  29 final class ActionServiceAdapter
  30         extends AbstractBindingLoadingAdapter<DOMActionService, ActionSpec<?, ?>, ActionAdapter>
  31         implements ActionService {
  32     private static final class Builder extends BindingDOMAdapterBuilder<ActionService> {
  33         Builder(final AdapterContext adapterContext) {
  34             super(adapterContext);
  35         }
  36
  37         @Override
  38         public Set<? extends Class<? extends DOMService>> getRequiredDelegates() {
  39             return ImmutableSet.of(DOMActionService.class);
  40         }
  41
  42         @Override
  43         protected ActionService createInstance(final ClassToInstanceMap<DOMService> delegates) {
  44             return new ActionServiceAdapter(adapterContext(), delegates.getInstance(DOMActionService.class));
  45         }
  46     }
  47
  48     static final Factory<ActionService> BUILDER_FACTORY = Builder::new;
  49
  50     ActionServiceAdapter(final AdapterContext adapterContext, final DOMActionService delegate) {
  51         super(adapterContext, delegate);
  52     }
  53
  54     @Override
  55     public <P extends DataObject, A extends Action<InstanceIdentifier<P>, ?, ?>> A getActionHandle(
  56             final ActionSpec<A, P> spec, final Set<DataTreeIdentifier<P>> nodes) {
  57         final var type = spec.type();
  58         final var adapter = getAdapter(spec);
  59         return type.cast(Proxy.newProxyInstance(type.getClassLoader(), new Class[] { type },
  60             nodes.isEmpty() ? adapter : new ActionAdapterFilter(adapter, Set.copyOf(nodes))));
  61     }
  62
  63     @Override
  64     ActionAdapter loadAdapter(final ActionSpec<?, ?> key) {
  65         final var type = key.type();
  66         checkArgument(BindingReflections.isBindingClass(type));
  67         checkArgument(type.isInterface(), "Supplied Action type must be an interface.");
  68         return new ActionAdapter(adapterContext(), getDelegate(), key);
  69     }
  70 }