X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?a=blobdiff_plain;f=binding%2Fmdsal-binding-dom-codec%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fmdsal%2Fbinding%2Fdom%2Fcodec%2Fimpl%2FBindingCodecContext.java;h=5c6b327413ca05a136b0e868115f8ae2e34aca83;hb=cb0f3a767fa856c220edd674fda4d55dde408c64;hp=83cc618092afbb4c6803679a1bc037f2256f832e;hpb=cd0e4ce77caa250e64dd7edabfbfc2952c5d6a85;p=mdsal.git diff --git a/binding/mdsal-binding-dom-codec/src/main/java/org/opendaylight/mdsal/binding/dom/codec/impl/BindingCodecContext.java b/binding/mdsal-binding-dom-codec/src/main/java/org/opendaylight/mdsal/binding/dom/codec/impl/BindingCodecContext.java index 83cc618092..5c6b327413 100644 --- a/binding/mdsal-binding-dom-codec/src/main/java/org/opendaylight/mdsal/binding/dom/codec/impl/BindingCodecContext.java +++ b/binding/mdsal-binding-dom-codec/src/main/java/org/opendaylight/mdsal/binding/dom/codec/impl/BindingCodecContext.java @@ -12,11 +12,20 @@ import static com.google.common.base.Preconditions.checkState; import static com.google.common.base.Verify.verify; import static java.util.Objects.requireNonNull; +import com.google.common.annotations.Beta; +import com.google.common.cache.CacheBuilder; +import com.google.common.cache.CacheLoader; +import com.google.common.cache.LoadingCache; import com.google.common.collect.ImmutableMap; +import edu.umd.cs.findbugs.annotations.SuppressFBWarnings; +import java.io.IOException; +import java.lang.reflect.Field; import java.lang.reflect.Method; import java.lang.reflect.ParameterizedType; import java.lang.reflect.Type; -import java.util.AbstractMap.SimpleEntry; +import java.lang.reflect.WildcardType; +import java.time.Instant; +import java.util.ArrayList; import java.util.Collection; import java.util.HashMap; import java.util.LinkedList; @@ -24,43 +33,66 @@ import java.util.List; import java.util.Map; import java.util.Map.Entry; import java.util.Optional; +import java.util.ServiceLoader; import java.util.concurrent.Callable; +import java.util.concurrent.ExecutionException; +import javax.inject.Inject; +import javax.inject.Singleton; import org.eclipse.jdt.annotation.NonNull; import org.eclipse.jdt.annotation.Nullable; -import org.opendaylight.mdsal.binding.dom.codec.api.BindingCodecTree; +import org.kohsuke.MetaInfServices; import org.opendaylight.mdsal.binding.dom.codec.api.BindingCodecTreeNode; import org.opendaylight.mdsal.binding.dom.codec.api.BindingDataObjectCodecTreeNode; +import org.opendaylight.mdsal.binding.dom.codec.api.BindingInstanceIdentifierCodec; +import org.opendaylight.mdsal.binding.dom.codec.api.BindingNormalizedNodeWriterFactory; +import org.opendaylight.mdsal.binding.dom.codec.api.BindingStreamEventWriter; import org.opendaylight.mdsal.binding.dom.codec.impl.NodeCodecContext.CodecContextFactory; -import org.opendaylight.mdsal.binding.dom.codec.util.BindingSchemaMapping; -import org.opendaylight.mdsal.binding.generator.util.BindingRuntimeContext; -import org.opendaylight.mdsal.binding.model.api.GeneratedType; +import org.opendaylight.mdsal.binding.dom.codec.loader.CodecClassLoader; +import org.opendaylight.mdsal.binding.dom.codec.spi.AbstractBindingNormalizedNodeSerializer; +import org.opendaylight.mdsal.binding.dom.codec.spi.BindingDOMCodecServices; +import org.opendaylight.mdsal.binding.dom.codec.spi.BindingSchemaMapping; +import org.opendaylight.mdsal.binding.runtime.api.BindingRuntimeContext; +import org.opendaylight.mdsal.binding.runtime.api.ListRuntimeType; import org.opendaylight.mdsal.binding.spec.reflect.BindingReflections; -import org.opendaylight.yangtools.concepts.Codec; +import org.opendaylight.yangtools.concepts.Delegator; +import org.opendaylight.yangtools.concepts.IllegalArgumentCodec; import org.opendaylight.yangtools.concepts.Immutable; import org.opendaylight.yangtools.util.ClassLoaderUtils; import org.opendaylight.yangtools.yang.binding.Action; -import org.opendaylight.yangtools.yang.binding.BindingStreamEventWriter; +import org.opendaylight.yangtools.yang.binding.BaseNotification; import org.opendaylight.yangtools.yang.binding.DataContainer; import org.opendaylight.yangtools.yang.binding.DataObject; -import org.opendaylight.yangtools.yang.binding.DataObjectSerializer; import org.opendaylight.yangtools.yang.binding.Identifiable; import org.opendaylight.yangtools.yang.binding.Identifier; import org.opendaylight.yangtools.yang.binding.InstanceIdentifier; +import org.opendaylight.yangtools.yang.binding.InstanceIdentifier.PathArgument; import org.opendaylight.yangtools.yang.binding.Notification; import org.opendaylight.yangtools.yang.binding.OpaqueObject; +import org.opendaylight.yangtools.yang.binding.RpcInput; +import org.opendaylight.yangtools.yang.binding.RpcOutput; import org.opendaylight.yangtools.yang.common.QName; import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier; +import org.opendaylight.yangtools.yang.data.api.schema.ChoiceNode; +import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode; +import org.opendaylight.yangtools.yang.data.api.schema.LeafSetNode; +import org.opendaylight.yangtools.yang.data.api.schema.MapNode; +import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode; +import org.opendaylight.yangtools.yang.data.api.schema.UnkeyedListNode; +import org.opendaylight.yangtools.yang.data.api.schema.ValueNode; import org.opendaylight.yangtools.yang.data.api.schema.stream.NormalizedNodeStreamWriter; -import org.opendaylight.yangtools.yang.model.api.AnyXmlSchemaNode; -import org.opendaylight.yangtools.yang.model.api.DataNodeContainer; +import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNormalizedNodeStreamWriter; +import org.opendaylight.yangtools.yang.data.impl.schema.NormalizedNodeResult; +import org.opendaylight.yangtools.yang.model.api.AnydataSchemaNode; +import org.opendaylight.yangtools.yang.model.api.AnyxmlSchemaNode; import org.opendaylight.yangtools.yang.model.api.DataSchemaNode; -import org.opendaylight.yangtools.yang.model.api.DocumentedNode.WithStatus; import org.opendaylight.yangtools.yang.model.api.LeafListSchemaNode; import org.opendaylight.yangtools.yang.model.api.LeafSchemaNode; -import org.opendaylight.yangtools.yang.model.api.ListSchemaNode; -import org.opendaylight.yangtools.yang.model.api.SchemaPath; +import org.opendaylight.yangtools.yang.model.api.TypeAware; import org.opendaylight.yangtools.yang.model.api.TypeDefinition; import org.opendaylight.yangtools.yang.model.api.TypedDataSchemaNode; +import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement; +import org.opendaylight.yangtools.yang.model.api.stmt.SchemaNodeIdentifier.Absolute; +import org.opendaylight.yangtools.yang.model.api.stmt.TypeDefinitionAware; import org.opendaylight.yangtools.yang.model.api.type.IdentityrefTypeDefinition; import org.opendaylight.yangtools.yang.model.api.type.InstanceIdentifierTypeDefinition; import org.opendaylight.yangtools.yang.model.api.type.LeafrefTypeDefinition; @@ -68,21 +100,66 @@ import org.opendaylight.yangtools.yang.model.api.type.UnionTypeDefinition; import org.slf4j.Logger; import org.slf4j.LoggerFactory; -final class BindingCodecContext implements CodecContextFactory, BindingCodecTree, Immutable { +@Beta +@MetaInfServices(value = BindingDOMCodecServices.class) +@Singleton +public final class BindingCodecContext extends AbstractBindingNormalizedNodeSerializer + implements BindingDOMCodecServices, Immutable, CodecContextFactory, DataObjectSerializerRegistry { + private final class DataObjectSerializerProxy implements DataObjectSerializer, Delegator> { + private final @NonNull DataObjectStreamer delegate; + + DataObjectSerializerProxy(final DataObjectStreamer delegate) { + this.delegate = requireNonNull(delegate); + } + + @Override + public DataObjectStreamer getDelegate() { + return delegate; + } + + @Override + public void serialize(final DataObject obj, final BindingStreamEventWriter stream) throws IOException { + delegate.serialize(BindingCodecContext.this, obj, stream); + } + } + private static final Logger LOG = LoggerFactory.getLogger(BindingCodecContext.class); - private final InstanceIdentifierCodec instanceIdentifierCodec; - private final IdentityCodec identityCodec; - private final BindingNormalizedNodeCodecRegistry registry; - private final BindingRuntimeContext context; + private final LoadingCache, DataObjectStreamer> streamers = CacheBuilder.newBuilder().build( + new CacheLoader, DataObjectStreamer>() { + @Override + public DataObjectStreamer load(final Class key) throws ReflectiveOperationException { + final Class streamer = DataObjectStreamerGenerator.generateStreamer(loader, BindingCodecContext.this, + key); + final Field instance = streamer.getDeclaredField(DataObjectStreamerGenerator.INSTANCE_FIELD); + return (DataObjectStreamer) instance.get(null); + } + }); + private final LoadingCache, DataObjectSerializer> serializers = CacheBuilder.newBuilder().build( + new CacheLoader, DataObjectSerializer>() { + @Override + public DataObjectSerializer load(final Class key) throws ExecutionException { + return new DataObjectSerializerProxy(streamers.get(key)); + } + }); + + private final @NonNull CodecClassLoader loader = CodecClassLoader.create(); + private final @NonNull InstanceIdentifierCodec instanceIdentifierCodec; + private final @NonNull IdentityCodec identityCodec; + private final @NonNull BindingRuntimeContext context; private final SchemaRootCodecContext root; - BindingCodecContext(final BindingRuntimeContext context, final BindingNormalizedNodeCodecRegistry registry) { + public BindingCodecContext() { + this(ServiceLoader.load(BindingRuntimeContext.class).findFirst() + .orElseThrow(() -> new IllegalStateException("Failed to load BindingRuntimeContext"))); + } + + @Inject + public BindingCodecContext(final BindingRuntimeContext context) { this.context = requireNonNull(context, "Binding Runtime Context is required."); - this.root = SchemaRootCodecContext.create(this); - this.identityCodec = new IdentityCodec(context); - this.instanceIdentifierCodec = new InstanceIdentifierCodec(this); - this.registry = requireNonNull(registry); + root = SchemaRootCodecContext.create(this); + identityCodec = new IdentityCodec(context); + instanceIdentifierCodec = new InstanceIdentifierCodec(this); } @Override @@ -90,43 +167,75 @@ final class BindingCodecContext implements CodecContextFactory, BindingCodecTree return context; } - InstanceIdentifierCodec getInstanceIdentifierCodec() { - return instanceIdentifierCodec; + @Override + public CodecClassLoader getLoader() { + return loader; } - IdentityCodec getIdentityCodec() { + @Override + public IdentityCodec getIdentityCodec() { return identityCodec; } - @SuppressWarnings({"rawtypes", "unchecked"}) + @Override + public BindingInstanceIdentifierCodec getInstanceIdentifierCodec() { + return instanceIdentifierCodec; + } + @Override public DataObjectSerializer getEventStreamSerializer(final Class type) { - return registry.getSerializer((Class) type); + return serializers.getUnchecked(type); } - public Entry newWriter(final InstanceIdentifier path, - final NormalizedNodeStreamWriter domWriter) { + @Override + public DataObjectStreamer getDataObjectSerializer(final Class type) { + return streamers.getUnchecked(type); + } + + @Override + public DataObjectSerializer getSerializer(final Class type) { + return serializers.getUnchecked(type); + } + + @Override + public Entry newWriterAndIdentifier( + final InstanceIdentifier path, final NormalizedNodeStreamWriter domWriter) { final List yangArgs = new LinkedList<>(); final DataContainerCodecContext codecContext = getCodecContextNode(path, yangArgs); - return new SimpleEntry<>(YangInstanceIdentifier.create(yangArgs), codecContext.createWriter(domWriter)); + return Map.entry(YangInstanceIdentifier.create(yangArgs), codecContext.createWriter(domWriter)); } - public BindingStreamEventWriter newWriterWithoutIdentifier(final InstanceIdentifier path, + @Override + public BindingStreamEventWriter newWriter(final InstanceIdentifier path, final NormalizedNodeStreamWriter domWriter) { return getCodecContextNode(path, null).createWriter(domWriter); } - BindingStreamEventWriter newRpcWriter(final Class rpcInputOrOutput, + @Override + public BindingStreamEventWriter newRpcWriter(final Class rpcInputOrOutput, final NormalizedNodeStreamWriter domWriter) { return root.getRpc(rpcInputOrOutput).createWriter(domWriter); } - BindingStreamEventWriter newNotificationWriter(final Class notification, + @Override + public BindingStreamEventWriter newNotificationWriter(final Class> notification, final NormalizedNodeStreamWriter domWriter) { return root.getNotification(notification).createWriter(domWriter); } - public DataContainerCodecContext getCodecContextNode(final InstanceIdentifier binding, + @Override + public BindingStreamEventWriter newActionInputWriter(final Class> action, + final NormalizedNodeStreamWriter domWriter) { + return getActionCodec(action).input().createWriter(domWriter); + } + + @Override + public BindingStreamEventWriter newActionOutputWriter(final Class> action, + final NormalizedNodeStreamWriter domWriter) { + return getActionCodec(action).output().createWriter(domWriter); + } + + DataContainerCodecContext getCodecContextNode(final InstanceIdentifier binding, final List builder) { DataContainerCodecContext currentNode = root; for (final InstanceIdentifier.PathArgument bindingArg : binding.getPathArguments()) { @@ -222,12 +331,12 @@ final class BindingCodecContext implements CodecContextFactory, BindingCodecTree return null; } - NotificationCodecContext getNotificationContext(final SchemaPath notification) { + NotificationCodecContext getNotificationContext(final Absolute notification) { return root.getNotification(notification); } - RpcInputCodec getRpcInputCodec(final SchemaPath path) { - return root.getRpc(path); + RpcInputCodec getRpcInputCodec(final Absolute containerPath) { + return root.getRpc(containerPath); } ActionCodecContext getActionCodec(final Class> action) { @@ -235,33 +344,43 @@ final class BindingCodecContext implements CodecContextFactory, BindingCodecTree } @Override - public ImmutableMap getLeafNodes(final Class parentClass, - final DataNodeContainer childSchema) { + public ImmutableMap getLeafNodes(final Class type, + final EffectiveStatement schema) { final Map getterToLeafSchema = new HashMap<>(); - for (final DataSchemaNode leaf : childSchema.getChildNodes()) { - // FIXME: support AnyDataSchemaNode, too - if (leaf instanceof TypedDataSchemaNode || leaf instanceof AnyXmlSchemaNode) { - getterToLeafSchema.put(BindingSchemaMapping.getGetterMethodName(leaf), leaf); + for (var stmt : schema.effectiveSubstatements()) { + if (stmt instanceof TypedDataSchemaNode) { + putLeaf(getterToLeafSchema, (TypedDataSchemaNode) stmt); + } else if (stmt instanceof AnydataSchemaNode) { + putLeaf(getterToLeafSchema, (AnydataSchemaNode) stmt); + } else if (stmt instanceof AnyxmlSchemaNode) { + putLeaf(getterToLeafSchema, (AnyxmlSchemaNode) stmt); } } - return getLeafNodesUsingReflection(parentClass, getterToLeafSchema); + return getLeafNodesUsingReflection(type, getterToLeafSchema); + } + + private static void putLeaf(final Map map, final DataSchemaNode leaf) { + map.put(BindingSchemaMapping.getGetterMethodName(leaf), leaf); } - private ImmutableMap getLeafNodesUsingReflection(final Class parentClass, - final Map getterToLeafSchema) { - final Map leaves = new HashMap<>(); + private ImmutableMap getLeafNodesUsingReflection( + final Class parentClass, final Map getterToLeafSchema) { + final Map leaves = new HashMap<>(); for (final Method method : parentClass.getMethods()) { - if (method.getParameterCount() == 0) { + // Only consider non-bridge methods with no arguments + if (method.getParameterCount() == 0 && !method.isBridge()) { final DataSchemaNode schema = getterToLeafSchema.get(method.getName()); final ValueNodeCodecContext valueNode; if (schema instanceof LeafSchemaNode) { final LeafSchemaNode leafSchema = (LeafSchemaNode) schema; + // FIXME: MDSAL-670: this is not right as we need to find a concrete type, but this may return + // Object.class final Class valueType = method.getReturnType(); - final Codec codec = getCodec(valueType, leafSchema.getType()); - valueNode = LeafNodeCodecContext.of(leafSchema, codec, method, valueType, - context.getSchemaContext()); + final IllegalArgumentCodec codec = getCodec(valueType, leafSchema.getType()); + valueNode = LeafNodeCodecContext.of(leafSchema, codec, method.getName(), valueType, + context.getEffectiveModelContext()); } else if (schema instanceof LeafListSchemaNode) { final Optional optType = ClassLoaderUtils.getFirstGenericParameter( method.getGenericReturnType()); @@ -273,85 +392,106 @@ final class BindingCodecContext implements CodecContextFactory, BindingCodecTree valueType = (Class) genericType; } else if (genericType instanceof ParameterizedType) { valueType = (Class) ((ParameterizedType) genericType).getRawType(); + } else if (genericType instanceof WildcardType) { + // FIXME: MDSAL-670: this is not right as we need to find a concrete type + valueType = Object.class; } else { throw new IllegalStateException("Unexpected return type " + genericType); } final LeafListSchemaNode leafListSchema = (LeafListSchemaNode) schema; - final Codec codec = getCodec(valueType, leafListSchema.getType()); - valueNode = new LeafSetNodeCodecContext(leafListSchema, codec, method); - } else if (schema instanceof AnyXmlSchemaNode) { - final Class valueType = method.getReturnType(); - verify(OpaqueObject.class.isAssignableFrom(valueType), "Illegal value type %s", valueType); - valueNode = new OpaqueNodeCodecContext.AnyXml<>((AnyXmlSchemaNode) schema, method, - valueType.asSubclass(OpaqueObject.class)); + final IllegalArgumentCodec codec = getCodec(valueType, leafListSchema.getType()); + valueNode = new LeafSetNodeCodecContext(leafListSchema, codec, method.getName()); + } else if (schema instanceof AnyxmlSchemaNode) { + valueNode = new OpaqueNodeCodecContext.Anyxml<>((AnyxmlSchemaNode) schema, method.getName(), + opaqueReturnType(method), loader); + } else if (schema instanceof AnydataSchemaNode) { + valueNode = new OpaqueNodeCodecContext.Anydata<>((AnydataSchemaNode) schema, method.getName(), + opaqueReturnType(method), loader); } else { verify(schema == null, "Unhandled schema %s for method %s", schema, method); // We do not have schema for leaf, so we will ignore it (e.g. getClass). continue; } - leaves.put(schema.getQName().getLocalName(), valueNode); + leaves.put(method, valueNode); } } return ImmutableMap.copyOf(leaves); } - Codec getCodec(final Class valueType, final TypeDefinition instantiatedType) { + // FIXME: this is probably not right w.r.t. nulls + IllegalArgumentCodec getCodec(final Class valueType, final TypeDefinition instantiatedType) { if (Class.class.equals(valueType)) { @SuppressWarnings({ "unchecked", "rawtypes" }) - final Codec casted = (Codec) identityCodec; + final IllegalArgumentCodec casted = (IllegalArgumentCodec) identityCodec; return casted; } else if (InstanceIdentifier.class.equals(valueType)) { @SuppressWarnings({ "unchecked", "rawtypes" }) - final Codec casted = (Codec) instanceIdentifierCodec; + final IllegalArgumentCodec casted = (IllegalArgumentCodec) instanceIdentifierCodec; return casted; } else if (BindingReflections.isBindingClass(valueType)) { return getCodecForBindingClass(valueType, instantiatedType); } + // FIXME: MDSAL-670: this is right for most situations, but we must never return NOOP_CODEC for + // valueType=Object.class return ValueTypeCodec.NOOP_CODEC; } @SuppressWarnings("checkstyle:illegalCatch") - private Codec getCodecForBindingClass(final Class valueType, final TypeDefinition typeDef) { + // FIXME: this is probably not right w.r.t. nulls + private IllegalArgumentCodec getCodecForBindingClass(final Class valueType, + final TypeDefinition typeDef) { if (typeDef instanceof IdentityrefTypeDefinition) { return ValueTypeCodec.encapsulatedValueCodecFor(valueType, typeDef, identityCodec); } else if (typeDef instanceof InstanceIdentifierTypeDefinition) { return ValueTypeCodec.encapsulatedValueCodecFor(valueType, typeDef, instanceIdentifierCodec); } else if (typeDef instanceof UnionTypeDefinition) { - final Callable loader = UnionTypeCodec.loader(valueType, (UnionTypeDefinition) typeDef, + final Callable unionLoader = UnionTypeCodec.loader(valueType, (UnionTypeDefinition) typeDef, this); try { - return loader.call(); + return unionLoader.call(); } catch (final Exception e) { throw new IllegalStateException("Unable to load codec for " + valueType, e); } } else if (typeDef instanceof LeafrefTypeDefinition) { - final Entry typeWithSchema = context.getTypeWithSchema(valueType); - final WithStatus schema = typeWithSchema.getValue(); - checkState(schema instanceof TypeDefinition); - return getCodec(valueType, (TypeDefinition) schema); + final var typeWithSchema = context.getTypeWithSchema(valueType); + final var schema = typeWithSchema.statement(); + final TypeDefinition def; + if (schema instanceof TypeDefinitionAware) { + def = ((TypeDefinitionAware) schema).getTypeDefinition(); + } else if (schema instanceof TypeAware) { + def = ((TypeAware) schema).getType(); + } else { + throw new IllegalStateException("Unexpected schema " + schema); + } + return getCodec(valueType, def); } return ValueTypeCodec.getCodecFor(valueType, typeDef); } @Override - public IdentifiableItemCodec getPathArgumentCodec(final Class listClz, final ListSchemaNode schema) { + public IdentifiableItemCodec getPathArgumentCodec(final Class listClz, final ListRuntimeType type) { final Optional>> optIdentifier = ClassLoaderUtils.findFirstGenericArgument(listClz, Identifiable.class); checkState(optIdentifier.isPresent(), "Failed to find identifier for %s", listClz); final Class> identifier = optIdentifier.get(); final Map valueCtx = new HashMap<>(); - for (final ValueNodeCodecContext leaf : getLeafNodes(identifier, schema).values()) { + for (final ValueNodeCodecContext leaf : getLeafNodes(identifier, type.statement()).values()) { final QName name = leaf.getDomPathArgument().getNodeType(); valueCtx.put(name, new ValueContext(identifier, leaf)); } - return IdentifiableItemCodec.of(schema, identifier, listClz, valueCtx); + return IdentifiableItemCodec.of(type.statement(), identifier, listClz, valueCtx); } - @SuppressWarnings("unchecked") @Override + public BindingDataObjectCodecTreeNode streamChild(final Class childClass) { + return root.streamChild(childClass); + } + + @Override + @SuppressWarnings("unchecked") public BindingDataObjectCodecTreeNode getSubtreeCodec(final InstanceIdentifier path) { // TODO Do we need defensive check here? return (BindingDataObjectCodecTreeNode) getCodecContextNode(path, null); @@ -363,7 +503,167 @@ final class BindingCodecContext implements CodecContextFactory, BindingCodecTree } @Override - public BindingCodecTreeNode getSubtreeCodec(final SchemaPath path) { + public BindingCodecTreeNode getSubtreeCodec(final Absolute path) { throw new UnsupportedOperationException("Not implemented yet."); } + + @Override + public YangInstanceIdentifier toYangInstanceIdentifier(final InstanceIdentifier binding) { + return instanceIdentifierCodec.fromBinding(binding); + } + + @Override + public InstanceIdentifier fromYangInstanceIdentifier(final YangInstanceIdentifier dom) { + return instanceIdentifierCodec.toBinding(dom); + } + + @Override + public Entry toNormalizedNode( + final InstanceIdentifier path, final T data) { + final NormalizedNodeResult result = new NormalizedNodeResult(); + // We create DOM stream writer which produces normalized nodes + final NormalizedNodeStreamWriter domWriter = ImmutableNormalizedNodeStreamWriter.from(result); + + // We create Binding Stream Writer which translates from Binding to Normalized Nodes + final Entry writeCtx = newWriterAndIdentifier(path, + domWriter); + + // We get serializer which reads binding data and uses Binding To Normalized Node writer to write result + try { + getSerializer(path.getTargetType()).serialize(data, writeCtx.getValue()); + } catch (final IOException e) { + LOG.error("Unexpected failure while serializing path {} data {}", path, data, e); + throw new IllegalStateException("Failed to create normalized node", e); + } + return Map.entry(writeCtx.getKey(), result.getResult()); + } + + @Override + public Entry, DataObject> fromNormalizedNode(final YangInstanceIdentifier path, + final NormalizedNode data) { + if (notBindingRepresentable(data)) { + return null; + } + + final List builder = new ArrayList<>(); + final BindingDataObjectCodecTreeNode codec = getCodecContextNode(path, builder); + if (codec == null) { + if (data != null) { + LOG.warn("Path {} does not have a binding equivalent, should have been caught earlier ({})", path, + data.getClass()); + } + return null; + } + + final DataObject lazyObj = codec.deserialize(data); + final InstanceIdentifier bindingPath = InstanceIdentifier.unsafeOf(builder); + return Map.entry(bindingPath, lazyObj); + } + + @Override + public BaseNotification fromNormalizedNodeNotification(final Absolute path, final ContainerNode data) { + return getNotificationContext(path).deserialize(data); + } + + @Override + public BaseNotification fromNormalizedNodeNotification(final Absolute path, final ContainerNode data, + final Instant eventInstant) { + return eventInstant == null ? fromNormalizedNodeNotification(path, data) + : getNotificationContext(path).deserialize(data, eventInstant); + } + + @Override + public DataObject fromNormalizedNodeRpcData(final Absolute containerPath, final ContainerNode data) { + return getRpcInputCodec(containerPath).deserialize(data); + } + + @Override + public T fromNormalizedNodeActionInput(final Class> action, + final ContainerNode input) { + return (T) requireNonNull(getActionCodec(action).input().deserialize(requireNonNull(input))); + } + + @Override + public T fromNormalizedNodeActionOutput(final Class> action, + final ContainerNode output) { + return (T) requireNonNull(getActionCodec(action).output().deserialize(requireNonNull(output))); + } + + @Override + @SuppressFBWarnings("BC_UNCONFIRMED_CAST") + public ContainerNode toNormalizedNodeNotification(final Notification data) { + // FIXME: Should the cast to DataObject be necessary? + return serializeDataObject((DataObject) data, + (ctx, iface, domWriter) -> ctx.newNotificationWriter( + (Class>) iface.asSubclass(Notification.class), domWriter)); + } + + @Override + public ContainerNode toNormalizedNodeNotification(final Absolute path, final BaseNotification data) { + checkArgument(data instanceof DataObject, "Unexpected data %s", data); + @SuppressWarnings("rawtypes") + final NotificationCodecContext notifContext = getNotificationContext(path); + @SuppressWarnings("unchecked") + final var result = notifContext.serialize((DataObject) data); + verify(result instanceof ContainerNode, "Unexpected result %s from %s", result, data); + return (ContainerNode) result; + } + + @Override + @SuppressFBWarnings("BC_UNCONFIRMED_CAST") + public ContainerNode toNormalizedNodeRpcData(final DataContainer data) { + // FIXME: Should the cast to DataObject be necessary? + return serializeDataObject((DataObject) data, BindingNormalizedNodeWriterFactory::newRpcWriter); + } + + @Override + public ContainerNode toNormalizedNodeActionInput(final Class> action, + final RpcInput input) { + return serializeDataObject(input,(ctx, iface, domWriter) -> ctx.newActionInputWriter(action, domWriter)); + } + + @Override + public ContainerNode toNormalizedNodeActionOutput(final Class> action, + final RpcOutput output) { + return serializeDataObject(output, (ctx, iface, domWriter) -> ctx.newActionOutputWriter(action, domWriter)); + } + + private @NonNull ContainerNode serializeDataObject(final DataObject data, + final WriterFactoryMethod newWriter) { + final NormalizedNodeResult result = new NormalizedNodeResult(); + // We create DOM stream writer which produces normalized nodes + final NormalizedNodeStreamWriter domWriter = ImmutableNormalizedNodeStreamWriter.from(result); + final Class type = data.implementedInterface(); + @SuppressWarnings("unchecked") + final BindingStreamEventWriter writer = newWriter.createWriter(this, (Class) type, domWriter); + try { + getSerializer(type).serialize(data, writer); + } catch (final IOException e) { + LOG.error("Unexpected failure while serializing data {}", data, e); + throw new IllegalStateException("Failed to create normalized node", e); + } + return (ContainerNode) result.getResult(); + } + + + private static boolean notBindingRepresentable(final NormalizedNode data) { + // ValueNode covers LeafNode and LeafSetEntryNode + return data instanceof ValueNode + || data instanceof MapNode || data instanceof UnkeyedListNode + || data instanceof ChoiceNode + || data instanceof LeafSetNode; + } + + @SuppressWarnings("rawtypes") + private static Class opaqueReturnType(final Method method) { + final Class valueType = method.getReturnType(); + verify(OpaqueObject.class.isAssignableFrom(valueType), "Illegal value type %s", valueType); + return valueType.asSubclass(OpaqueObject.class); + } + + @FunctionalInterface + private interface WriterFactoryMethod { + BindingStreamEventWriter createWriter(@NonNull BindingNormalizedNodeWriterFactory factory, + @NonNull Class bindingClass, @NonNull NormalizedNodeStreamWriter domWriter); + } }