Reduce ObjectRegistration use
[mdsal.git] / binding / mdsal-binding-dom-adapter / src / main / java / org / opendaylight / mdsal / binding / dom / adapter / ActionProviderServiceAdapter.java
index 8381b216e6edf4176fda65cf9839245cd6293cfa..a3ad6568c0eee1351db8701c92f71918d04094c9 100644 (file)
@@ -7,12 +7,13 @@
  */
 package org.opendaylight.mdsal.binding.dom.adapter;
 
-import static com.google.common.base.Verify.verifyNotNull;
 import static java.util.Objects.requireNonNull;
 
 import com.google.common.collect.ClassToInstanceMap;
 import com.google.common.collect.ImmutableSet;
+import com.google.common.util.concurrent.Futures;
 import com.google.common.util.concurrent.ListenableFuture;
+import java.util.List;
 import java.util.Set;
 import java.util.stream.Collectors;
 import org.eclipse.jdt.annotation.NonNullByDefault;
@@ -27,17 +28,22 @@ import org.opendaylight.mdsal.dom.api.DOMActionProviderService;
 import org.opendaylight.mdsal.dom.api.DOMActionResult;
 import org.opendaylight.mdsal.dom.api.DOMDataTreeIdentifier;
 import org.opendaylight.mdsal.dom.api.DOMService;
-import org.opendaylight.yangtools.concepts.AbstractObjectRegistration;
-import org.opendaylight.yangtools.concepts.ObjectRegistration;
+import org.opendaylight.mdsal.dom.spi.SimpleDOMActionResult;
+import org.opendaylight.yangtools.concepts.Registration;
 import org.opendaylight.yangtools.yang.binding.Action;
 import org.opendaylight.yangtools.yang.binding.DataObject;
 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+import org.opendaylight.yangtools.yang.common.ErrorTag;
+import org.opendaylight.yangtools.yang.common.ErrorType;
 import org.opendaylight.yangtools.yang.common.RpcResult;
+import org.opendaylight.yangtools.yang.common.RpcResultBuilder;
 import org.opendaylight.yangtools.yang.common.YangConstants;
 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
 import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
 import org.opendaylight.yangtools.yang.model.api.stmt.SchemaNodeIdentifier.Absolute;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 @NonNullByDefault
 public final class ActionProviderServiceAdapter extends AbstractBindingAdapter<DOMActionProviderService>
@@ -48,17 +54,19 @@ public final class ActionProviderServiceAdapter extends AbstractBindingAdapter<D
         }
 
         @Override
-        protected ActionProviderService createInstance(final ClassToInstanceMap<DOMService> delegates) {
+        protected ActionProviderService createInstance(final ClassToInstanceMap<DOMService<?, ?>> delegates) {
             return new ActionProviderServiceAdapter(adapterContext(),
                 delegates.getInstance(DOMActionProviderService.class));
         }
 
         @Override
-        public Set<? extends Class<? extends DOMService>> getRequiredDelegates() {
+        public Set<? extends Class<? extends DOMService<?, ?>>> getRequiredDelegates() {
             return ImmutableSet.of(DOMActionProviderService.class);
         }
     }
 
+    private static final Logger LOG = LoggerFactory.getLogger(ActionProviderServiceAdapter.class);
+
     static final Factory<ActionProviderService> BUILDER_FACTORY = Builder::new;
 
     ActionProviderServiceAdapter(final AdapterContext adapterContext, final DOMActionProviderService delegate) {
@@ -66,34 +74,28 @@ public final class ActionProviderServiceAdapter extends AbstractBindingAdapter<D
     }
 
     @Override
-    public <P extends DataObject, A extends Action<InstanceIdentifier<P>, ?, ?>, S extends A>
-            ObjectRegistration<S> registerImplementation(final ActionSpec<A, P> spec, final S implementation,
-                final LogicalDatastoreType datastore, final Set<InstanceIdentifier<P>> validNodes) {
+    public <P extends DataObject, A extends Action<? extends InstanceIdentifier<P>, ?, ?>>
+            Registration registerImplementation(final ActionSpec<A, P> spec, final A implementation,
+                final LogicalDatastoreType datastore, final Set<? extends InstanceIdentifier<P>> validNodes) {
         final CurrentAdapterSerializer serializer = currentSerializer();
         final Absolute actionPath = serializer.getActionPath(spec);
         final Impl impl = new Impl(adapterContext(), actionPath, spec.type(), implementation);
         final DOMActionInstance instance = validNodes.isEmpty()
             // Register on the entire datastore
-            ? DOMActionInstance.of(actionPath, new DOMDataTreeIdentifier(datastore, YangInstanceIdentifier.empty()))
+            ? DOMActionInstance.of(actionPath, DOMDataTreeIdentifier.of(datastore, YangInstanceIdentifier.of()))
                 // Register on specific instances
                 : DOMActionInstance.of(actionPath, validNodes.stream()
-                    .map(node -> serializer.toDOMDataTreeIdentifier(DataTreeIdentifier.create(datastore, node)))
+                    .map(node -> serializer.toDOMDataTreeIdentifier(DataTreeIdentifier.of(datastore, node)))
                     .collect(Collectors.toUnmodifiableSet()));
 
 
-        final ObjectRegistration<?> reg = getDelegate().registerActionImplementation(impl, instance);
-
-        return new AbstractObjectRegistration<>(implementation) {
-            @Override
-            protected void removeRegistration() {
-                reg.close();
-            }
-        };
+        return getDelegate().registerActionImplementation(impl, instance);
     }
 
     private static final class Impl implements DOMActionImplementation {
         private final Class<? extends Action<?, ?, ?>> actionInterface;
         private final AdapterContext adapterContext;
+        @SuppressWarnings("rawtypes")
         private final Action implementation;
         private final NodeIdentifier outputName;
 
@@ -111,9 +113,22 @@ public final class ActionProviderServiceAdapter extends AbstractBindingAdapter<D
         public ListenableFuture<? extends DOMActionResult> invokeAction(final Absolute type,
                 final DOMDataTreeIdentifier path, final ContainerNode input) {
             final CurrentAdapterSerializer codec = adapterContext.currentSerializer();
+            final InstanceIdentifier<DataObject> instance = codec.fromYangInstanceIdentifier(path.path());
+            if (instance == null) {
+                // Not representable: return an error
+                LOG.debug("Path {} is not representable in binding, rejecting invocation", path);
+                return Futures.immediateFuture(new SimpleDOMActionResult(List.of(RpcResultBuilder.newError(
+                    ErrorType.APPLICATION, ErrorTag.INVALID_VALUE, "Supplied path cannot be represented"))));
+            }
+            if (instance.isWildcarded()) {
+                // A wildcard path: return an error
+                LOG.debug("Path {} maps to a wildcard {}, rejecting invocation", path, instance);
+                return Futures.immediateFuture(new SimpleDOMActionResult(List.of(RpcResultBuilder.newError(
+                    ErrorType.APPLICATION, ErrorTag.INVALID_VALUE,
+                    "Supplied path does not identify a concrete instance"))));
+            }
 
-            final ListenableFuture<RpcResult<?>> userFuture = implementation.invoke(
-                verifyNotNull(codec.fromYangInstanceIdentifier(path.getRootIdentifier())),
+            final ListenableFuture<RpcResult<?>> userFuture = implementation.invoke(instance,
                 codec.fromNormalizedNodeActionInput(actionInterface, input));
             if (userFuture instanceof BindingOperationFluentFuture) {
                 // If we are looping back through our future we can skip wrapping. This can happen if application