*/
package org.opendaylight.mdsal.binding.dom.codec.impl;
-import com.google.common.collect.Iterables;
-import org.checkerframework.checker.lock.qual.Holding;
+import static com.google.common.base.Verify.verify;
+
+import java.lang.invoke.MethodHandles;
+import java.lang.invoke.VarHandle;
import org.eclipse.jdt.annotation.NonNull;
import org.opendaylight.mdsal.binding.dom.codec.api.BindingDataObjectCodecTreeNode.ChildAddressabilitySummary;
import org.opendaylight.mdsal.binding.dom.codec.impl.NodeCodecContext.CodecContextFactory;
+import org.opendaylight.mdsal.binding.runtime.api.AugmentRuntimeType;
+import org.opendaylight.mdsal.binding.runtime.api.BindingRuntimeTypes;
+import org.opendaylight.mdsal.binding.runtime.api.CaseRuntimeType;
+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.ListRuntimeType;
+import org.opendaylight.mdsal.binding.runtime.api.NotificationRuntimeType;
+import org.opendaylight.mdsal.binding.runtime.api.RuntimeType;
+import org.opendaylight.mdsal.binding.runtime.api.RuntimeTypeContainer;
import org.opendaylight.yangtools.yang.binding.DataObject;
import org.opendaylight.yangtools.yang.binding.DataRoot;
import org.opendaylight.yangtools.yang.binding.Identifiable;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier.Item;
+import org.opendaylight.yangtools.yang.common.QName;
import org.opendaylight.yangtools.yang.common.QNameModule;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.AugmentationIdentifier;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
-import org.opendaylight.yangtools.yang.model.api.AnyDataSchemaNode;
-import org.opendaylight.yangtools.yang.model.api.AnyXmlSchemaNode;
+import org.opendaylight.yangtools.yang.model.api.AnydataSchemaNode;
+import org.opendaylight.yangtools.yang.model.api.AnyxmlSchemaNode;
import org.opendaylight.yangtools.yang.model.api.AugmentationSchemaNode;
import org.opendaylight.yangtools.yang.model.api.CaseSchemaNode;
import org.opendaylight.yangtools.yang.model.api.ChoiceSchemaNode;
import org.opendaylight.yangtools.yang.model.api.ContainerSchemaNode;
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.ListSchemaNode;
-import org.opendaylight.yangtools.yang.model.api.NotificationDefinition;
import org.opendaylight.yangtools.yang.model.api.SchemaContext;
import org.opendaylight.yangtools.yang.model.api.TypedDataSchemaNode;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
-final class DataContainerCodecPrototype<T extends WithStatus> implements NodeContextSupplier {
+final class DataContainerCodecPrototype<T extends RuntimeTypeContainer> implements NodeContextSupplier {
private static final Logger LOG = LoggerFactory.getLogger(DataContainerCodecPrototype.class);
- private final T schema;
+ private static final VarHandle INSTANCE;
+
+ static {
+ try {
+ INSTANCE = MethodHandles.lookup().findVarHandle(DataContainerCodecPrototype.class,
+ "instance", DataContainerCodecContext.class);
+ } catch (NoSuchFieldException | IllegalAccessException e) {
+ throw new ExceptionInInitializerError(e);
+ }
+ }
+
+ private final T type;
private final QNameModule namespace;
private final CodecContextFactory factory;
private final Item<?> bindingArg;
private final PathArgument yangArg;
private final ChildAddressabilitySummary childAddressabilitySummary;
+ // Accessed via INSTANCE
+ @SuppressWarnings("unused")
private volatile DataContainerCodecContext<?, T> instance;
@SuppressWarnings("unchecked")
- private DataContainerCodecPrototype(final Class<?> cls, final PathArgument arg, final T nodeSchema,
+ private DataContainerCodecPrototype(final Class<?> cls, final PathArgument arg, final T type,
final CodecContextFactory factory) {
- this(Item.of((Class<? extends DataObject>) cls), arg, nodeSchema, factory);
+ this(Item.of((Class<? extends DataObject>) cls), arg, type, factory);
}
- private DataContainerCodecPrototype(final Item<?> bindingArg, final PathArgument arg, final T nodeSchema,
+ private DataContainerCodecPrototype(final Item<?> bindingArg, final PathArgument arg, final T type,
final CodecContextFactory factory) {
this.bindingArg = bindingArg;
this.yangArg = arg;
- this.schema = nodeSchema;
+ this.type = type;
this.factory = factory;
if (arg instanceof AugmentationIdentifier) {
- this.namespace = Iterables.getFirst(((AugmentationIdentifier) arg).getPossibleChildNames(), null)
- .getModule();
+ final var childNames = ((AugmentationIdentifier) arg).getPossibleChildNames();
+ verify(!childNames.isEmpty(), "Unexpected empty identifier for %s", type);
+ this.namespace = childNames.iterator().next().getModule();
} else {
this.namespace = arg.getNodeType().getModule();
}
- this.childAddressabilitySummary = computeChildAddressabilitySummary(nodeSchema);
+ this.childAddressabilitySummary = type instanceof RuntimeType
+ ? computeChildAddressabilitySummary(((RuntimeType) type).statement())
+ // BindingRuntimeTypes, does not matter
+ : ChildAddressabilitySummary.MIXED;
}
- private static ChildAddressabilitySummary computeChildAddressabilitySummary(final WithStatus nodeSchema) {
+ private static ChildAddressabilitySummary computeChildAddressabilitySummary(final Object nodeSchema) {
+ // FIXME: rework this to work on EffectiveStatements
if (nodeSchema instanceof DataNodeContainer) {
boolean haveAddressable = false;
boolean haveUnaddressable = false;
} else {
haveAddressable = true;
}
- } else if (child instanceof AnyDataSchemaNode || child instanceof AnyXmlSchemaNode
+ } else if (child instanceof AnydataSchemaNode || child instanceof AnyxmlSchemaNode
|| child instanceof TypedDataSchemaNode) {
haveUnaddressable = true;
} else if (child instanceof ChoiceSchemaNode) {
} else if (nodeSchema instanceof ChoiceSchemaNode) {
boolean haveAddressable = false;
boolean haveUnaddressable = false;
- for (CaseSchemaNode child : ((ChoiceSchemaNode) nodeSchema).getCases().values()) {
+ for (CaseSchemaNode child : ((ChoiceSchemaNode) nodeSchema).getCases()) {
switch (computeChildAddressabilitySummary(child)) {
case ADDRESSABLE:
haveAddressable = true;
return ChildAddressabilitySummary.UNADDRESSABLE;
}
- static DataContainerCodecPrototype<SchemaContext> rootPrototype(final CodecContextFactory factory) {
- final SchemaContext schema = factory.getRuntimeContext().getSchemaContext();
- final NodeIdentifier arg = NodeIdentifier.create(schema.getQName());
- return new DataContainerCodecPrototype<>(DataRoot.class, arg, schema, factory);
+ static DataContainerCodecPrototype<BindingRuntimeTypes> rootPrototype(final CodecContextFactory factory) {
+ return new DataContainerCodecPrototype<>(DataRoot.class, NodeIdentifier.create(SchemaContext.NAME),
+ factory.getRuntimeContext().getTypes(), factory);
}
- @SuppressWarnings({ "unchecked", "rawtypes" })
- static <T extends DataSchemaNode> DataContainerCodecPrototype<T> from(final Class<?> cls, final T schema,
+ static <T extends CompositeRuntimeType> DataContainerCodecPrototype<T> from(final Class<?> cls, final T type,
final CodecContextFactory factory) {
- return new DataContainerCodecPrototype(cls, NodeIdentifier.create(schema.getQName()), schema, factory);
+ return new DataContainerCodecPrototype<>(cls, createIdentifier(type), type, factory);
}
- @SuppressWarnings({ "unchecked", "rawtypes" })
- static <T extends DataSchemaNode> DataContainerCodecPrototype<T> from(final Item<?> bindingArg, final T schema,
+ static <T extends CompositeRuntimeType> DataContainerCodecPrototype<T> from(final Item<?> bindingArg, final T type,
final CodecContextFactory factory) {
- return new DataContainerCodecPrototype(bindingArg, NodeIdentifier.create(schema.getQName()), schema, factory);
+ return new DataContainerCodecPrototype<>(bindingArg, createIdentifier(type), type, factory);
}
- @SuppressWarnings({ "rawtypes", "unchecked" })
- static DataContainerCodecPrototype<?> from(final Class<?> augClass, final AugmentationIdentifier arg,
- final AugmentationSchemaNode schema, final CodecContextFactory factory) {
- return new DataContainerCodecPrototype(augClass, arg, schema, factory);
+ static DataContainerCodecPrototype<AugmentRuntimeType> from(final Class<?> augClass,
+ final AugmentationIdentifier arg, final AugmentRuntimeType schema, final CodecContextFactory factory) {
+ return new DataContainerCodecPrototype<>(augClass, arg, schema, factory);
+ }
+
+ static DataContainerCodecPrototype<NotificationRuntimeType> from(final Class<?> augClass,
+ final NotificationRuntimeType schema, final CodecContextFactory factory) {
+ final PathArgument arg = NodeIdentifier.create(schema.statement().argument());
+ return new DataContainerCodecPrototype<>(augClass, arg, schema, factory);
}
- static DataContainerCodecPrototype<NotificationDefinition> from(final Class<?> augClass,
- final NotificationDefinition schema, final CodecContextFactory factory) {
- final PathArgument arg = NodeIdentifier.create(schema.getQName());
- return new DataContainerCodecPrototype<>(augClass,arg, schema, factory);
+ private static @NonNull NodeIdentifier createIdentifier(final CompositeRuntimeType type) {
+ final Object arg = type.statement().argument();
+ verify(arg instanceof QName, "Unexpected type %s argument %s", type, arg);
+ return NodeIdentifier.create((QName) arg);
}
- protected T getSchema() {
- return schema;
+ @NonNull T getType() {
+ return type;
}
ChildAddressabilitySummary getChildAddressabilitySummary() {
return childAddressabilitySummary;
}
- protected QNameModule getNamespace() {
+ QNameModule getNamespace() {
return namespace;
}
- protected CodecContextFactory getFactory() {
+ CodecContextFactory getFactory() {
return factory;
}
- protected Class<?> getBindingClass() {
+ Class<?> getBindingClass() {
return bindingArg.getType();
}
- protected Item<?> getBindingArg() {
+ Item<?> getBindingArg() {
return bindingArg;
}
- protected PathArgument getYangArg() {
+ PathArgument getYangArg() {
return yangArg;
}
@Override
public DataContainerCodecContext<?, T> get() {
- DataContainerCodecContext<?, T> tmp = instance;
- if (tmp == null) {
- synchronized (this) {
- tmp = instance;
- if (tmp == null) {
- instance = tmp = createInstance();
- }
- }
- }
+ final DataContainerCodecContext<?, T> existing = (DataContainerCodecContext<?, T>) INSTANCE.getAcquire(this);
+ return existing != null ? existing : loadInstance();
+ }
- return tmp;
+ private @NonNull DataContainerCodecContext<?, T> loadInstance() {
+ final var tmp = createInstance();
+ final var witness = (DataContainerCodecContext<?, T>) INSTANCE.compareAndExchangeRelease(this, null, tmp);
+ return witness == null ? tmp : witness;
}
- @Holding("this")
@SuppressWarnings({ "rawtypes", "unchecked" })
+ // This method must allow concurrent loading, i.e. nothing in it may have effects outside of the loaded object
private @NonNull DataContainerCodecContext<?, T> createInstance() {
// FIXME: make protected abstract
- if (schema instanceof ContainerSchemaNode) {
+ if (type instanceof ContainerLikeRuntimeType) {
return new ContainerNodeCodecContext(this);
- } else if (schema instanceof ListSchemaNode) {
- return Identifiable.class.isAssignableFrom(getBindingClass()) ? new KeyedListNodeCodecContext(this)
- : new ListNodeCodecContext(this);
- } else if (schema instanceof ChoiceSchemaNode) {
+ } else if (type instanceof ListRuntimeType) {
+ return Identifiable.class.isAssignableFrom(getBindingClass())
+ ? KeyedListNodeCodecContext.create((DataContainerCodecPrototype<ListRuntimeType>) this)
+ : new ListNodeCodecContext(this);
+ } else if (type instanceof ChoiceRuntimeType) {
return new ChoiceNodeCodecContext(this);
- } else if (schema instanceof AugmentationSchemaNode) {
+ } else if (type instanceof AugmentRuntimeType) {
return new AugmentationNodeContext(this);
- } else if (schema instanceof CaseSchemaNode) {
+ } else if (type instanceof CaseRuntimeType) {
return new CaseNodeCodecContext(this);
}
- throw new IllegalArgumentException("Unsupported type " + getBindingClass() + " " + schema);
- }
-
- boolean isChoice() {
- return schema instanceof ChoiceSchemaNode;
+ throw new IllegalArgumentException("Unsupported type " + getBindingClass() + " " + type);
}
}
Code Review / mdsal.git / blobdiff