package org.opendaylight.mdsal.binding.dom.codec.impl;
import static com.google.common.base.Preconditions.checkArgument;
+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.base.Throwables;
import com.google.common.base.Verify;
import com.google.common.cache.CacheLoader;
import com.google.common.cache.LoadingCache;
import com.google.common.util.concurrent.UncheckedExecutionException;
+import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
+import java.lang.reflect.ParameterizedType;
import java.lang.reflect.Type;
import java.util.List;
import java.util.Optional;
+import java.util.function.BiFunction;
+import org.eclipse.jdt.annotation.NonNull;
+import org.eclipse.jdt.annotation.Nullable;
+import org.opendaylight.mdsal.binding.dom.codec.api.IncorrectNestingException;
+import org.opendaylight.mdsal.binding.model.api.JavaTypeName;
+import org.opendaylight.mdsal.binding.runtime.api.ActionRuntimeType;
+import org.opendaylight.mdsal.binding.runtime.api.BindingRuntimeContext;
+import org.opendaylight.mdsal.binding.runtime.api.BindingRuntimeTypes;
+import org.opendaylight.mdsal.binding.runtime.api.ChoiceRuntimeType;
+import org.opendaylight.mdsal.binding.runtime.api.CompositeRuntimeType;
+import org.opendaylight.mdsal.binding.runtime.api.ContainerLikeRuntimeType;
+import org.opendaylight.mdsal.binding.runtime.api.DataRuntimeType;
+import org.opendaylight.mdsal.binding.runtime.api.NotificationRuntimeType;
+import org.opendaylight.mdsal.binding.runtime.api.RuntimeType;
import org.opendaylight.mdsal.binding.spec.naming.BindingMapping;
import org.opendaylight.mdsal.binding.spec.reflect.BindingReflections;
import org.opendaylight.yangtools.util.ClassLoaderUtils;
import org.opendaylight.yangtools.yang.binding.DataContainer;
import org.opendaylight.yangtools.yang.binding.DataObject;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+import org.opendaylight.yangtools.yang.binding.KeyedListAction;
import org.opendaylight.yangtools.yang.binding.Notification;
import org.opendaylight.yangtools.yang.binding.RpcInput;
import org.opendaylight.yangtools.yang.binding.RpcOutput;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
-import org.opendaylight.yangtools.yang.model.api.ActionDefinition;
import org.opendaylight.yangtools.yang.model.api.ChoiceSchemaNode;
-import org.opendaylight.yangtools.yang.model.api.ContainerSchemaNode;
+import org.opendaylight.yangtools.yang.model.api.ContainerLike;
import org.opendaylight.yangtools.yang.model.api.DataNodeContainer;
-import org.opendaylight.yangtools.yang.model.api.DataSchemaNode;
+import org.opendaylight.yangtools.yang.model.api.DocumentedNode.WithStatus;
import org.opendaylight.yangtools.yang.model.api.Module;
-import org.opendaylight.yangtools.yang.model.api.NotificationDefinition;
import org.opendaylight.yangtools.yang.model.api.RpcDefinition;
-import org.opendaylight.yangtools.yang.model.api.SchemaContext;
-import org.opendaylight.yangtools.yang.model.api.SchemaPath;
-import org.opendaylight.yangtools.yang.model.util.SchemaContextUtil;
-import org.opendaylight.yangtools.yang.model.util.SchemaNodeUtils;
-
-final class SchemaRootCodecContext<D extends DataObject> extends DataContainerCodecContext<D,SchemaContext> {
-
- private final LoadingCache<Class<?>, DataContainerCodecContext<?,?>> childrenByClass = CacheBuilder.newBuilder()
- .build(new CacheLoader<Class<?>, DataContainerCodecContext<?,?>>() {
- @Override
- public DataContainerCodecContext<?,?> load(final Class<?> key) {
- return createDataTreeChildContext(key);
- }
- });
+import org.opendaylight.yangtools.yang.model.api.stmt.SchemaNodeIdentifier.Absolute;
- private final LoadingCache<Class<? extends Action<?, ?, ?>>, ActionCodecContext> actionsByClass = CacheBuilder
- .newBuilder().build(new CacheLoader<Class<? extends Action<?, ?, ?>>, ActionCodecContext>() {
- @Override
- public ActionCodecContext load(final Class<? extends Action<?, ?, ?>> key) {
- return createActionContext(key);
- }
- });
+final class SchemaRootCodecContext<D extends DataObject> extends DataContainerCodecContext<D, BindingRuntimeTypes> {
- private final LoadingCache<Class<?>, ContainerNodeCodecContext<?>> rpcDataByClass = CacheBuilder.newBuilder().build(
- new CacheLoader<Class<?>, ContainerNodeCodecContext<?>>() {
- @Override
- public ContainerNodeCodecContext<?> load(final Class<?> key) {
- return createRpcDataContext(key);
- }
- });
+ private final LoadingCache<Class<? extends DataObject>, DataContainerCodecContext<?, ?>> childrenByClass =
+ CacheBuilder.newBuilder().build(new CacheLoader<>() {
+ @Override
+ public DataContainerCodecContext<?, ?> load(final Class<? extends DataObject> key) {
+ return createDataTreeChildContext(key);
+ }
+ });
- private final LoadingCache<Class<?>, NotificationCodecContext<?>> notificationsByClass = CacheBuilder.newBuilder()
- .build(new CacheLoader<Class<?>, NotificationCodecContext<?>>() {
- @Override
- public NotificationCodecContext<?> load(final Class<?> key) {
- return createNotificationDataContext(key);
- }
- });
+ private final LoadingCache<Class<? extends Action<?, ?, ?>>, ActionCodecContext> actionsByClass =
+ CacheBuilder.newBuilder().build(new CacheLoader<>() {
+ @Override
+ public ActionCodecContext load(final Class<? extends Action<?, ?, ?>> key) {
+ return createActionContext(key);
+ }
+ });
private final LoadingCache<Class<? extends DataObject>, ChoiceNodeCodecContext<?>> choicesByClass =
- CacheBuilder.newBuilder().build(new CacheLoader<Class<? extends DataObject>, ChoiceNodeCodecContext<?>>() {
- @Override
- public ChoiceNodeCodecContext<?> load(final Class<? extends DataObject> key) {
- return createChoiceDataContext(key);
+ CacheBuilder.newBuilder().build(new CacheLoader<>() {
+ @Override
+ public ChoiceNodeCodecContext<?> load(final Class<? extends DataObject> key) {
+ return createChoiceDataContext(key);
+ }
+ });
+
+ private final LoadingCache<Class<?>, NotificationCodecContext<?>> notificationsByClass = CacheBuilder.newBuilder()
+ .build(new CacheLoader<Class<?>, NotificationCodecContext<?>>() {
+ @Override
+ public NotificationCodecContext<?> load(final Class<?> key) {
+ checkArgument(key.isInterface(), "Supplied class must be interface.");
+
+ // TODO: we should be able to work with bindingChild() instead of schemaTreeChild() here
+ final QName qname = BindingReflections.findQName(key);
+ final RuntimeType child = getType().schemaTreeChild(qname);
+ checkArgument(child instanceof NotificationRuntimeType, "Supplied %s is not valid notification",
+ key);
+ return new NotificationCodecContext<>(key, (NotificationRuntimeType) child, factory());
+ }
+ });
+
+ private final LoadingCache<Class<?>, ContainerNodeCodecContext<?>> rpcDataByClass = CacheBuilder.newBuilder()
+ .build(new CacheLoader<Class<?>, ContainerNodeCodecContext<?>>() {
+ @Override
+ public ContainerNodeCodecContext<?> load(final Class<?> key) {
+ final BiFunction<BindingRuntimeTypes, QName, Optional<? extends ContainerLikeRuntimeType<?, ?>>> lookup;
+ if (RpcInput.class.isAssignableFrom(key)) {
+ lookup = BindingRuntimeTypes::findRpcInput;
+ } else if (RpcOutput.class.isAssignableFrom(key)) {
+ lookup = BindingRuntimeTypes::findRpcOutput;
+ } else {
+ throw new IllegalArgumentException(key + " does not represent an RPC container");
}
- });
-
- private final LoadingCache<QName, DataContainerCodecContext<?,?>> childrenByQName = CacheBuilder.newBuilder().build(
- new CacheLoader<QName, DataContainerCodecContext<?,?>>() {
- @Override
- public DataContainerCodecContext<?,?> load(final QName qname) {
- final DataSchemaNode childSchema = getSchema().getDataChildByName(qname);
- childNonNull(childSchema, qname,"Argument %s is not valid child of %s", qname,getSchema());
- if (childSchema instanceof DataNodeContainer || childSchema instanceof ChoiceSchemaNode) {
- @SuppressWarnings("unchecked")
- final Class<? extends DataObject> childCls = (Class<? extends DataObject>)
- factory().getRuntimeContext().getClassForSchema(childSchema);
- return streamChild(childCls);
- }
- throw new UnsupportedOperationException("Unsupported child type " + childSchema.getClass());
+ final CodecContextFactory factory = factory();
+ final BindingRuntimeContext context = factory.getRuntimeContext();
+
+ final QName qname = BindingReflections.findQName(key);
+ final QNameModule qnameModule = qname.getModule();
+ final Module module = context.getEffectiveModelContext().findModule(qnameModule)
+ .orElseThrow(() -> new IllegalArgumentException("Failed to find module for " + qnameModule));
+ final String className = BindingMapping.getClassName(qname);
+
+ for (final RpcDefinition potential : module.getRpcs()) {
+ final QName potentialQName = potential.getQName();
+ /*
+ * Check if rpc and class represents data from same module and then checks if rpc local name
+ * produces same class name as class name appended with Input/Output based on QName associated
+ * with binding class.
+ *
+ * FIXME: Rework this to have more precise logic regarding Binding Specification.
+ */
+ if (key.getSimpleName().equals(BindingMapping.getClassName(potentialQName) + className)) {
+ final ContainerLike schema = getRpcDataSchema(potential, qname);
+ checkArgument(schema != null, "Schema for %s does not define input / output.", potentialQName);
+
+ final ContainerLikeRuntimeType<?, ?> type = lookup.apply(context.getTypes(), potentialQName)
+ .orElseThrow(() -> new IllegalArgumentException("Cannot find runtime type for " + key));
+
+ return (ContainerNodeCodecContext) DataContainerCodecPrototype.from(key,
+ (ContainerLikeRuntimeType<?, ?>) type, factory).get();
+ }
}
- });
- private final LoadingCache<SchemaPath, RpcInputCodec<?>> rpcDataByPath = CacheBuilder.newBuilder().build(
- new CacheLoader<SchemaPath, RpcInputCodec<?>>() {
+ throw new IllegalArgumentException("Supplied class " + key + " is not valid RPC class.");
+ }
+ });
+
+ private final LoadingCache<QName, DataContainerCodecContext<?,?>> childrenByQName =
+ CacheBuilder.newBuilder().build(new CacheLoader<>() {
@Override
- public RpcInputCodec<?> load(final SchemaPath key) {
- final ContainerSchemaNode schema = SchemaContextUtil.getRpcDataSchema(getSchema(), key);
- @SuppressWarnings("unchecked")
- final Class<? extends DataContainer> cls = (Class<? extends DataContainer>)
- factory().getRuntimeContext().getClassForSchema(schema);
- return getRpc(cls);
+ public DataContainerCodecContext<?, ?> load(final QName qname) throws ClassNotFoundException {
+ final var type = getType();
+ final var child = childNonNull(type.schemaTreeChild(qname), qname,
+ "Argument %s is not valid child of %s", qname, type);
+ if (!(child instanceof DataRuntimeType)) {
+ throw IncorrectNestingException.create("Argument %s is not valid data tree child of %s", qname,
+ type);
+ }
+
+ // TODO: improve this check?
+ final var childSchema = child.statement();
+ if (childSchema instanceof DataNodeContainer || childSchema instanceof ChoiceSchemaNode) {
+ return streamChild(factory().getRuntimeContext().loadClass(child.javaType()));
+ }
+
+ throw new UnsupportedOperationException("Unsupported child type " + childSchema.getClass());
}
});
- private final LoadingCache<SchemaPath, NotificationCodecContext<?>> notificationsByPath = CacheBuilder.newBuilder()
- .build(new CacheLoader<SchemaPath, NotificationCodecContext<?>>() {
- @Override
- public NotificationCodecContext<?> load(final SchemaPath key) {
- final NotificationDefinition schema = SchemaContextUtil.getNotificationSchema(getSchema(), key);
- @SuppressWarnings("unchecked")
- final Class<? extends Notification> clz = (Class<? extends Notification>)
- factory().getRuntimeContext().getClassForSchema(schema);
- return getNotification(clz);
+ private final LoadingCache<Absolute, RpcInputCodec<?>> rpcDataByPath =
+ CacheBuilder.newBuilder().build(new CacheLoader<>() {
+ @Override
+ public RpcInputCodec<?> load(final Absolute key) {
+ final var rpcName = key.firstNodeIdentifier();
+ final var context = factory().getRuntimeContext();
+
+ final Class<? extends DataContainer> container;
+ switch (key.lastNodeIdentifier().getLocalName()) {
+ case "input":
+ container = context.getRpcInput(rpcName);
+ break;
+ case "output":
+ container = context.getRpcOutput(rpcName);
+ break;
+ default:
+ throw new IllegalArgumentException("Unhandled path " + key);
}
- });
- private SchemaRootCodecContext(final DataContainerCodecPrototype<SchemaContext> dataPrototype) {
+ return getRpc(container);
+ }
+ });
+
+ private final LoadingCache<Absolute, NotificationCodecContext<?>> notificationsByPath =
+ CacheBuilder.newBuilder().build(new CacheLoader<>() {
+ @Override
+ public NotificationCodecContext<?> load(final Absolute key) {
+ final Class<?> cls = factory().getRuntimeContext().getClassForSchema(key);
+ checkArgument(Notification.class.isAssignableFrom(cls), "Path %s does not represent a notification",
+ key);
+ return getNotificationImpl(cls);
+ }
+ });
+
+ private SchemaRootCodecContext(final DataContainerCodecPrototype<BindingRuntimeTypes> dataPrototype) {
super(dataPrototype);
}
* @return A new root node
*/
static SchemaRootCodecContext<?> create(final CodecContextFactory factory) {
- final DataContainerCodecPrototype<SchemaContext> prototype = DataContainerCodecPrototype.rootPrototype(factory);
- return new SchemaRootCodecContext<>(prototype);
+ return new SchemaRootCodecContext<>(DataContainerCodecPrototype.rootPrototype(factory));
}
+ @Override
+ public WithStatus getSchema() {
+ return getType().getEffectiveModelContext();
+ }
@SuppressWarnings("unchecked")
@Override
public <C extends DataObject> DataContainerCodecContext<C, ?> streamChild(final Class<C> childClass) {
- /* FIXME: This is still not solved for RPCs
- * TODO: Probably performance wise RPC, Data and Notification loading cache
- * should be merge for performance resons. Needs microbenchmark to
- * determine which is faster (keeping them separate or in same cache).
- */
- if (Notification.class.isAssignableFrom(childClass)) {
- return (DataContainerCodecContext<C, ?>) getNotification((Class<? extends Notification>)childClass);
- }
- return (DataContainerCodecContext<C, ?>) getOrRethrow(childrenByClass,childClass);
+ return (DataContainerCodecContext<C, ?>) getOrRethrow(childrenByClass, childClass);
}
@Override
}
@Override
- public D deserialize(final NormalizedNode<?, ?> normalizedNode) {
+ public D deserialize(final NormalizedNode normalizedNode) {
throw new UnsupportedOperationException("Could not create Binding data representation for root");
}
return getOrRethrow(actionsByClass, action);
}
- NotificationCodecContext<?> getNotification(final Class<? extends Notification> notification) {
- return getOrRethrow(notificationsByClass, notification);
+ NotificationCodecContext<?> getNotification(final Absolute notification) {
+ return getOrRethrow(notificationsByPath, notification);
}
- NotificationCodecContext<?> getNotification(final SchemaPath notification) {
- return getOrRethrow(notificationsByPath, notification);
+ NotificationCodecContext<?> getNotification(final Class<? extends Notification<?>> notification) {
+ return getNotificationImpl(notification);
+ }
+
+ private NotificationCodecContext<?> getNotificationImpl(final Class<?> notification) {
+ return getOrRethrow(notificationsByClass, notification);
}
ContainerNodeCodecContext<?> getRpc(final Class<? extends DataContainer> rpcInputOrOutput) {
return getOrRethrow(rpcDataByClass, rpcInputOrOutput);
}
- RpcInputCodec<?> getRpc(final SchemaPath notification) {
- return getOrRethrow(rpcDataByPath, notification);
+ RpcInputCodec<?> getRpc(final Absolute containerPath) {
+ return getOrRethrow(rpcDataByPath, containerPath);
}
- DataContainerCodecContext<?,?> createDataTreeChildContext(final Class<?> key) {
- final QName qname = BindingReflections.findQName(key);
- final DataSchemaNode childSchema = childNonNull(getSchema().getDataChildByName(qname), key,
+ DataContainerCodecContext<?, ?> createDataTreeChildContext(final Class<? extends DataObject> key) {
+ final RuntimeType childSchema = childNonNull(getType().bindingChild(JavaTypeName.create(key)), key,
"%s is not top-level item.", key);
- return DataContainerCodecPrototype.from(key, childSchema, factory()).get();
+ if (childSchema instanceof CompositeRuntimeType && childSchema instanceof DataRuntimeType) {
+ return DataContainerCodecPrototype.from(key, (CompositeRuntimeType) childSchema, factory()).get();
+ }
+ throw IncorrectNestingException.create("%s is not a valid data tree child of %s", key, this);
}
ActionCodecContext createActionContext(final Class<? extends Action<?, ?, ?>> action) {
- final Type[] args = ClassLoaderUtils.findParameterizedType(action, Action.class).getActualTypeArguments();
- checkArgument(args.length == 3, "Unexpected (%s) Action generatic arguments", args.length);
+ if (KeyedListAction.class.isAssignableFrom(action)) {
+ return prepareActionContext(2, 3, 4, action, KeyedListAction.class);
+ } else if (Action.class.isAssignableFrom(action)) {
+ return prepareActionContext(1, 2, 3, action, Action.class);
+ }
+ throw new IllegalArgumentException("The specific action type does not exist for action " + action.getName());
+ }
- final ActionDefinition schema = factory().getRuntimeContext().getActionDefinition(action);
+ private ActionCodecContext prepareActionContext(final int inputOffset, final int outputOffset,
+ final int expectedArgsLength, final Class<? extends Action<?, ?, ?>> action, final Class<?> actionType) {
+ final Optional<ParameterizedType> optParamType = ClassLoaderUtils.findParameterizedType(action, actionType);
+ checkState(optParamType.isPresent(), "%s does not specialize %s", action, actionType);
+
+ final ParameterizedType paramType = optParamType.get();
+ final Type[] args = paramType.getActualTypeArguments();
+ checkArgument(args.length == expectedArgsLength, "Unexpected (%s) Action generatic arguments", args.length);
+ final ActionRuntimeType schema = factory().getRuntimeContext().getActionDefinition(action);
return new ActionCodecContext(
- DataContainerCodecPrototype.from(asClass(args[1], RpcInput.class), schema.getInput(), factory()).get(),
- DataContainerCodecPrototype.from(asClass(args[2], RpcOutput.class), schema.getOutput(), factory()).get());
+ DataContainerCodecPrototype.from(asClass(args[inputOffset], RpcInput.class), schema.input(),
+ factory()).get(),
+ DataContainerCodecPrototype.from(asClass(args[outputOffset], RpcOutput.class), schema.output(),
+ factory()).get());
}
private static <T extends DataObject> Class<? extends T> asClass(final Type type, final Class<T> target) {
return ((Class<?>) type).asSubclass(target);
}
- ContainerNodeCodecContext<?> createRpcDataContext(final Class<?> key) {
- checkArgument(DataContainer.class.isAssignableFrom(key));
- final QName qname = BindingReflections.findQName(key);
- final QNameModule qnameModule = qname.getModule();
- final Module module = getSchema().findModule(qnameModule)
- .orElseThrow(() -> new IllegalArgumentException("Failed to find module for " + qnameModule));
- final String className = BindingMapping.getClassName(qname);
-
- RpcDefinition rpc = null;
- for (final RpcDefinition potential : module.getRpcs()) {
- final QName potentialQName = potential.getQName();
- /*
- * Check if rpc and class represents data from same module and then
- * checks if rpc local name produces same class name as class name
- * appended with Input/Output based on QName associated with bidning
- * class.
- *
- * FIXME: Rework this to have more precise logic regarding Binding
- * Specification.
- */
- if (key.getSimpleName().equals(BindingMapping.getClassName(potentialQName) + className)) {
- rpc = potential;
- break;
- }
+ /**
+ * Returns RPC input or output schema based on supplied QName.
+ *
+ * @param rpc RPC Definition
+ * @param qname input or output QName with namespace same as RPC
+ * @return input or output schema. Returns null if RPC does not have input/output specified.
+ */
+ @SuppressFBWarnings(value = "UPM_UNCALLED_PRIVATE_METHOD",
+ justification = "https://github.com/spotbugs/spotbugs/issues/811")
+ private static @Nullable ContainerLike getRpcDataSchema(final @NonNull RpcDefinition rpc,
+ final @NonNull QName qname) {
+ requireNonNull(rpc, "Rpc Schema must not be null");
+ switch (requireNonNull(qname, "QName must not be null").getLocalName()) {
+ case "input":
+ return rpc.getInput();
+ case "output":
+ return rpc.getOutput();
+ default:
+ throw new IllegalArgumentException("Supplied qname " + qname
+ + " does not represent rpc input or output.");
}
- checkArgument(rpc != null, "Supplied class %s is not valid RPC class.", key);
- final ContainerSchemaNode schema = SchemaNodeUtils.getRpcDataSchema(rpc, qname);
- checkArgument(schema != null, "Schema for %s does not define input / output.", rpc.getQName());
- return (ContainerNodeCodecContext<?>) DataContainerCodecPrototype.from(key, schema, factory()).get();
- }
-
- NotificationCodecContext<?> createNotificationDataContext(final Class<?> notificationType) {
- checkArgument(Notification.class.isAssignableFrom(notificationType));
- checkArgument(notificationType.isInterface(), "Supplied class must be interface.");
- final QName qname = BindingReflections.findQName(notificationType);
- /**
- * FIXME: After Lithium cleanup of yang-model-api, use direct call on schema context
- * to retrieve notification via index.
- */
- final NotificationDefinition schema = SchemaContextUtil.getNotificationSchema(getSchema(),
- SchemaPath.create(true, qname));
- checkArgument(schema != null, "Supplied %s is not valid notification", notificationType);
-
- return new NotificationCodecContext<>(notificationType, schema, factory());
}
ChoiceNodeCodecContext<?> createChoiceDataContext(final Class<? extends DataObject> caseType) {
final Class<?> choiceClass = findCaseChoice(caseType);
checkArgument(choiceClass != null, "Class %s is not a valid case representation", caseType);
- final DataSchemaNode schema = factory().getRuntimeContext().getSchemaDefinition(choiceClass);
- checkArgument(schema instanceof ChoiceSchemaNode, "Class %s does not refer to a choice", caseType);
+ final CompositeRuntimeType schema = factory().getRuntimeContext().getSchemaDefinition(choiceClass);
+ checkArgument(schema instanceof ChoiceRuntimeType, "Class %s does not refer to a choice", caseType);
- final DataContainerCodecContext<?, ChoiceSchemaNode> choice = DataContainerCodecPrototype.from(choiceClass,
- (ChoiceSchemaNode)schema, factory()).get();
+ final DataContainerCodecContext<?, ChoiceRuntimeType> choice = DataContainerCodecPrototype.from(choiceClass,
+ (ChoiceRuntimeType)schema, factory()).get();
Verify.verify(choice instanceof ChoiceNodeCodecContext);
return (ChoiceNodeCodecContext<?>) choice;
}
@Override
- protected Object deserializeObject(final NormalizedNode<?, ?> normalizedNode) {
+ protected Object deserializeObject(final NormalizedNode normalizedNode) {
throw new UnsupportedOperationException("Unable to deserialize root");
}
@Override
public DataContainerCodecContext<?, ?> bindingPathArgumentChild(final InstanceIdentifier.PathArgument arg,
final List<PathArgument> builder) {
- final java.util.Optional<? extends Class<? extends DataObject>> caseType = arg.getCaseType();
+ final Optional<? extends Class<? extends DataObject>> caseType = arg.getCaseType();
if (caseType.isPresent()) {
- final Class<? extends DataObject> type = caseType.get();
+ final @NonNull Class<? extends DataObject> type = caseType.orElseThrow();
final ChoiceNodeCodecContext<?> choice = choicesByClass.getUnchecked(type);
choice.addYangPathArgument(arg, builder);
final DataContainerCodecContext<?, ?> caze = choice.streamChild(type);