binding/mdsal-binding-dom-adapter/src/main/java/org/opendaylight/mdsal/binding/dom/adapter/ActionProviderServiceAdapter.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 java.util.Objects.requireNonNull;
  11
  12 import com.google.common.annotations.Beta;
  13 import com.google.common.collect.ImmutableSet;
  14 import com.google.common.util.concurrent.FluentFuture;
  15 import java.util.Set;
  16 import org.eclipse.jdt.annotation.NonNullByDefault;
  17 import org.opendaylight.mdsal.binding.api.ActionProviderService;
  18 import org.opendaylight.mdsal.binding.api.DataTreeIdentifier;
  19 import org.opendaylight.mdsal.binding.dom.codec.api.BindingNormalizedNodeSerializer;
  20 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
  21 import org.opendaylight.mdsal.dom.api.DOMActionImplementation;
  22 import org.opendaylight.mdsal.dom.api.DOMActionProviderService;
  23 import org.opendaylight.mdsal.dom.api.DOMActionResult;
  24 import org.opendaylight.mdsal.dom.api.DOMDataTreeIdentifier;
  25 import org.opendaylight.yangtools.concepts.AbstractObjectRegistration;
  26 import org.opendaylight.yangtools.concepts.ObjectRegistration;
  27 import org.opendaylight.yangtools.yang.binding.Action;
  28 import org.opendaylight.yangtools.yang.binding.DataObject;
  29 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  30 import org.opendaylight.yangtools.yang.common.RpcResult;
  31 import org.opendaylight.yangtools.yang.common.YangConstants;
  32 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
  33 import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
  34 import org.opendaylight.yangtools.yang.model.api.SchemaPath;
  35
  36 @Beta
  37 @NonNullByDefault
  38 final class ActionProviderServiceAdapter extends AbstractBindingAdapter<DOMActionProviderService>
  39         implements ActionProviderService {
  40     ActionProviderServiceAdapter(final BindingToNormalizedNodeCodec codec, final DOMActionProviderService delegate) {
  41         super(codec, delegate);
  42     }
  43
  44     @Override
  45     public <O extends DataObject, P extends InstanceIdentifier<O>,
  46         T extends org.opendaylight.yangtools.yang.binding.Action<P, ?, ?>, S extends T>
  47         ObjectRegistration<S> registerImplementation(final Class<T> actionInterface, final S implementation,
  48                 final LogicalDatastoreType datastore, final Set<DataTreeIdentifier<O>> validNodes) {
  49         final SchemaPath path = getCodec().getActionPath(actionInterface);
  50         final ObjectRegistration<DOMActionImplementation> reg = getDelegate().registerActionImplementation(
  51             new Impl(getCodec(),
  52                 NodeIdentifier.create(YangConstants.operationOutputQName(path.getLastComponent().getModule())),
  53                 actionInterface, implementation), ImmutableSet.of());
  54         return new AbstractObjectRegistration<S>(implementation) {
  55             @Override
  56             protected void removeRegistration() {
  57                 reg.close();
  58             }
  59         };
  60     }
  61
  62     private static final class Impl implements DOMActionImplementation {
  63         private final Class<? extends Action<?, ?, ?>> actionInterface;
  64         private final Action implementation;
  65         private final BindingNormalizedNodeSerializer codec;
  66         private final NodeIdentifier outputName;
  67
  68         Impl(final BindingNormalizedNodeSerializer codec, final NodeIdentifier outputName,
  69                 final Class<? extends Action<?, ?, ?>> actionInterface, final Action<?, ?, ?> implementation) {
  70             this.codec = requireNonNull(codec);
  71             this.outputName = requireNonNull(outputName);
  72             this.actionInterface = requireNonNull(actionInterface);
  73             this.implementation = requireNonNull(implementation);
  74         }
  75
  76         @Override
  77         @SuppressWarnings({ "rawtypes", "unchecked" })
  78         public FluentFuture<? extends DOMActionResult> invokeAction(final SchemaPath type,
  79                 final DOMDataTreeIdentifier path, final ContainerNode input) {
  80             final FluentFuture<RpcResult<?>> userFuture = implementation.invoke(
  81                 codec.fromYangInstanceIdentifier(path.getRootIdentifier()),
  82                 codec.fromNormalizedNodeActionInput(actionInterface, input));
  83             if (userFuture instanceof BindingOperationFluentFuture) {
  84                 // If we are looping back through our future we can skip wrapping. This can happen if application
  85                 // forwards invocations between multiple instantiations of the same action.
  86                 return (BindingOperationFluentFuture) userFuture;
  87             }
  88
  89             return new BindingOperationFluentFuture(userFuture, actionInterface, outputName, codec);
  90         }
  91     }
  92 }