import com.google.common.base.Function;
import com.google.common.base.Optional;
+import com.google.common.base.Preconditions;
+import com.google.common.cache.CacheBuilder;
+import com.google.common.cache.CacheLoader;
+import com.google.common.cache.LoadingCache;
import com.google.common.collect.ImmutableBiMap;
import java.lang.reflect.Method;
+import java.net.URI;
+import java.util.AbstractMap.SimpleEntry;
+import java.util.Collection;
+import java.util.Date;
+import java.util.HashSet;
import java.util.Iterator;
+import java.util.Map;
import java.util.Map.Entry;
+import java.util.Set;
+import java.util.concurrent.TimeUnit;
import javax.annotation.Nonnull;
import org.opendaylight.controller.md.sal.common.impl.util.compat.DataNormalizationException;
import org.opendaylight.controller.md.sal.common.impl.util.compat.DataNormalizationOperation;
import org.opendaylight.controller.md.sal.common.impl.util.compat.DataNormalizer;
-import org.opendaylight.yangtools.binding.data.codec.api.BindingCodecTree;
-import org.opendaylight.yangtools.binding.data.codec.api.BindingCodecTreeFactory;
-import org.opendaylight.yangtools.binding.data.codec.impl.BindingNormalizedNodeCodecRegistry;
-import org.opendaylight.yangtools.sal.binding.generator.impl.GeneratedClassLoadingStrategy;
-import org.opendaylight.yangtools.sal.binding.generator.util.BindingRuntimeContext;
+import org.opendaylight.mdsal.binding.dom.codec.api.BindingCodecTree;
+import org.opendaylight.mdsal.binding.dom.codec.api.BindingCodecTreeFactory;
+import org.opendaylight.mdsal.binding.dom.codec.api.BindingCodecTreeNode;
+import org.opendaylight.mdsal.binding.dom.codec.api.BindingNormalizedNodeSerializer;
+import org.opendaylight.mdsal.binding.dom.codec.impl.BindingNormalizedNodeCodecRegistry;
+import org.opendaylight.mdsal.binding.dom.codec.impl.MissingSchemaException;
+import org.opendaylight.mdsal.binding.generator.api.ClassLoadingStrategy;
+import org.opendaylight.mdsal.binding.generator.util.BindingRuntimeContext;
import org.opendaylight.yangtools.yang.binding.BindingMapping;
+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.Notification;
import org.opendaylight.yangtools.yang.binding.RpcService;
import org.opendaylight.yangtools.yang.binding.util.BindingReflections;
import org.opendaylight.yangtools.yang.common.QNameModule;
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.ContainerNode;
import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
import org.opendaylight.yangtools.yang.data.impl.codec.DeserializationException;
+import org.opendaylight.yangtools.yang.model.api.ContainerSchemaNode;
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.SchemaContextListener;
import org.opendaylight.yangtools.yang.model.api.SchemaPath;
+import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
+import org.opendaylight.yangtools.yang.model.api.meta.StatementSource;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
-public class BindingToNormalizedNodeCodec implements BindingCodecTreeFactory, SchemaContextListener, AutoCloseable {
+public final class BindingToNormalizedNodeCodec implements BindingCodecTreeFactory, BindingNormalizedNodeSerializer, SchemaContextListener, AutoCloseable {
+
+ private static final long WAIT_DURATION_SEC = 5;
+ private static final Logger LOG = LoggerFactory.getLogger(BindingToNormalizedNodeCodec.class);
private final BindingNormalizedNodeCodecRegistry codecRegistry;
+
+ private final ClassLoadingStrategy classLoadingStrategy;
+ private final FutureSchema futureSchema;
+ private final LoadingCache<InstanceIdentifier<?>, YangInstanceIdentifier> iiCache = CacheBuilder.newBuilder()
+ .softValues().build(new CacheLoader<InstanceIdentifier<?>, YangInstanceIdentifier>() {
+
+ @Override
+ public YangInstanceIdentifier load(final InstanceIdentifier<?> key) throws Exception {
+ return toYangInstanceIdentifierBlocking(key);
+ }
+
+ });
+
private DataNormalizer legacyToNormalized;
- private final GeneratedClassLoadingStrategy classLoadingStrategy;
- private BindingRuntimeContext runtimeContext;
- public BindingToNormalizedNodeCodec(final GeneratedClassLoadingStrategy classLoadingStrategy,
+ public BindingToNormalizedNodeCodec(final ClassLoadingStrategy classLoadingStrategy,
final BindingNormalizedNodeCodecRegistry codecRegistry) {
- this.classLoadingStrategy = classLoadingStrategy;
- this.codecRegistry = codecRegistry;
+ this(classLoadingStrategy,codecRegistry,false);
}
+ public BindingToNormalizedNodeCodec(final ClassLoadingStrategy classLoadingStrategy,
+ final BindingNormalizedNodeCodecRegistry codecRegistry,final boolean waitForSchema) {
+ this.classLoadingStrategy = Preconditions.checkNotNull(classLoadingStrategy,"classLoadingStrategy");
+ this.codecRegistry = Preconditions.checkNotNull(codecRegistry,"codecRegistry");
+ this.futureSchema = new FutureSchema(WAIT_DURATION_SEC, TimeUnit.SECONDS, waitForSchema);
+ }
+
+ YangInstanceIdentifier toYangInstanceIdentifierBlocking(final InstanceIdentifier<? extends DataObject> binding) {
+ try {
+ return this.codecRegistry.toYangInstanceIdentifier(binding);
+ } catch (final MissingSchemaException e) {
+ waitForSchema(decompose(binding),e);
+ return this.codecRegistry.toYangInstanceIdentifier(binding);
+ }
+ }
+
+ /**
+ * Translates supplied Binding Instance Identifier into NormalizedNode
+ * instance identifier.
+ *
+ * @param binding
+ * Binding Instance Identifier
+ * @return DOM Instance Identifier
+ * @throws IllegalArgumentException
+ * If supplied Instance Identifier is not valid.
+ */
public YangInstanceIdentifier toNormalized(final InstanceIdentifier<? extends DataObject> binding) {
- return codecRegistry.toYangInstanceIdentifier(binding);
+ return this.codecRegistry.toYangInstanceIdentifier(binding);
}
- @SuppressWarnings({ "unchecked", "rawtypes" })
- public Entry<YangInstanceIdentifier, NormalizedNode<?, ?>> toNormalizedNode(
- final InstanceIdentifier<? extends DataObject> bindingPath, final DataObject bindingObject) {
- return codecRegistry.toNormalizedNode((InstanceIdentifier) bindingPath, bindingObject);
+ @Override
+ public YangInstanceIdentifier toYangInstanceIdentifier(final InstanceIdentifier<?> binding) {
+ return this.codecRegistry.toYangInstanceIdentifier(binding);
+ }
+
+ YangInstanceIdentifier toYangInstanceIdentifierCached(final InstanceIdentifier<?> binding) {
+ return this.iiCache .getUnchecked(binding);
}
+ @Override
+ public <T extends DataObject> Entry<YangInstanceIdentifier, NormalizedNode<?, ?>> toNormalizedNode(
+ final InstanceIdentifier<T> path, final T data) {
+ return this.codecRegistry.toNormalizedNode(path, data);
+ }
+
+ /**
+ * Converts Binding Map.Entry to DOM Map.Entry
+ *
+ * Same as {@link #toNormalizedNode(InstanceIdentifier, DataObject)}.
+ *
+ * @param binding Map Entry with InstanceIdentifier as key and DataObject as value.
+ * @return DOM Map Entry with {@link YangInstanceIdentifier} as key and {@link NormalizedNode}
+ * as value.
+ */
+ @SuppressWarnings({"unchecked", "rawtypes"})
public Entry<YangInstanceIdentifier, NormalizedNode<?, ?>> toNormalizedNode(
final Entry<InstanceIdentifier<? extends DataObject>, DataObject> binding) {
- return toNormalizedNode(binding.getKey(),binding.getValue());
+ return toNormalizedNode((InstanceIdentifier) binding.getKey(),binding.getValue());
+ }
+
+ @Override
+ public Entry<InstanceIdentifier<?>, DataObject> fromNormalizedNode(final YangInstanceIdentifier path,
+ final NormalizedNode<?, ?> data) {
+ return this.codecRegistry.fromNormalizedNode(path, data);
+ }
+
+ @Override
+ public Notification fromNormalizedNodeNotification(final SchemaPath path, final ContainerNode data) {
+ return this.codecRegistry.fromNormalizedNodeNotification(path, data);
+ }
+
+ @Override
+ public DataObject fromNormalizedNodeRpcData(final SchemaPath path, final ContainerNode data) {
+ return this.codecRegistry.fromNormalizedNodeRpcData(path, data);
+ }
+
+ @Override
+ public InstanceIdentifier<?> fromYangInstanceIdentifier(final YangInstanceIdentifier dom) {
+ return this.codecRegistry.fromYangInstanceIdentifier(dom);
+ }
+
+ @Override
+ public ContainerNode toNormalizedNodeNotification(final Notification data) {
+ return this.codecRegistry.toNormalizedNodeNotification(data);
+ }
+
+ @Override
+ public ContainerNode toNormalizedNodeRpcData(final DataContainer data) {
+ return this.codecRegistry.toNormalizedNodeRpcData(data);
}
/**
public Optional<InstanceIdentifier<? extends DataObject>> toBinding(final YangInstanceIdentifier normalized)
throws DeserializationException {
try {
- return Optional.<InstanceIdentifier<? extends DataObject>>fromNullable(codecRegistry.fromYangInstanceIdentifier(normalized));
+ return Optional.<InstanceIdentifier<? extends DataObject>>fromNullable(this.codecRegistry.fromYangInstanceIdentifier(normalized));
} catch (final IllegalArgumentException e) {
return Optional.absent();
}
}
public DataNormalizer getDataNormalizer() {
- return legacyToNormalized;
+ return this.legacyToNormalized;
}
public Optional<Entry<InstanceIdentifier<? extends DataObject>, DataObject>> toBinding(
- final @Nonnull Entry<YangInstanceIdentifier, ? extends NormalizedNode<?, ?>> normalized)
+ @Nonnull final Entry<YangInstanceIdentifier, ? extends NormalizedNode<?, ?>> normalized)
throws DeserializationException {
try {
/*
* It is safe to loose generic information and cast it to other generic signature.
*
*/
- @SuppressWarnings({ "unchecked", "rawtypes" })
- final Entry<InstanceIdentifier<? extends DataObject>, DataObject> binding = Entry.class.cast(codecRegistry.fromNormalizedNode(normalized.getKey(), normalized.getValue()));
+ @SuppressWarnings("unchecked")
+ final Entry<InstanceIdentifier<? extends DataObject>, DataObject> binding = Entry.class.cast(this.codecRegistry.fromNormalizedNode(normalized.getKey(), normalized.getValue()));
return Optional.fromNullable(binding);
} catch (final IllegalArgumentException e) {
return Optional.absent();
}
@Override
- public void onGlobalContextUpdated(final SchemaContext arg0) {
- legacyToNormalized = new DataNormalizer (arg0);
- runtimeContext = BindingRuntimeContext.create(classLoadingStrategy, arg0);
- codecRegistry.onBindingRuntimeContextUpdated(runtimeContext);
+ public void onGlobalContextUpdated(final SchemaContext schemaContext) {
+ this.legacyToNormalized = new DataNormalizer(schemaContext);
+ final BindingRuntimeContext runtimeContext = BindingRuntimeContext.create(this.classLoadingStrategy, schemaContext);
+ this.codecRegistry.onBindingRuntimeContextUpdated(runtimeContext);
+ this.futureSchema.onRuntimeContextUpdated(runtimeContext);
}
public <T extends DataObject> Function<Optional<NormalizedNode<?, ?>>, Optional<T>> deserializeFunction(final InstanceIdentifier<T> path) {
- return codecRegistry.deserializeFunction(path);
+ return this.codecRegistry.deserializeFunction(path);
}
/**
*/
public NormalizedNode<?, ?> getDefaultNodeFor(final YangInstanceIdentifier path) {
final Iterator<PathArgument> iterator = path.getPathArguments().iterator();
- DataNormalizationOperation<?> currentOp = legacyToNormalized.getRootOperation();
+ DataNormalizationOperation<?> currentOp = this.legacyToNormalized.getRootOperation();
while (iterator.hasNext()) {
final PathArgument currentArg = iterator.next();
try {
}
public BindingNormalizedNodeCodecRegistry getCodecRegistry() {
- return codecRegistry;
+ return this.codecRegistry;
}
@Override
}
public BindingNormalizedNodeCodecRegistry getCodecFactory() {
- return codecRegistry;
+ return this.codecRegistry;
}
// FIXME: This should be probably part of Binding Runtime context
public ImmutableBiMap<Method, SchemaPath> getRpcMethodToSchemaPath(final Class<? extends RpcService> key) {
- final QNameModule moduleName = BindingReflections.getQNameModule(key);
- final Module module = runtimeContext.getSchemaContext().findModuleByNamespaceAndRevision(moduleName.getNamespace(), moduleName.getRevision());
+ final Module module = getModuleBlocking(key);
final ImmutableBiMap.Builder<Method, SchemaPath> ret = ImmutableBiMap.<Method, SchemaPath>builder();
try {
for (final RpcDefinition rpcDef : module.getRpcs()) {
return ret.build();
}
+ protected ImmutableBiMap<Method, RpcDefinition> getRpcMethodToSchema(final Class<? extends RpcService> key) {
+ final Module module = getModuleBlocking(key);
+ final ImmutableBiMap.Builder<Method, RpcDefinition> ret = ImmutableBiMap.builder();
+ try {
+ for (final RpcDefinition rpcDef : module.getRpcs()) {
+ final Method method = findRpcMethod(key, rpcDef);
+ ret.put(method, rpcDef);
+ }
+ } catch (final NoSuchMethodException e) {
+ throw new IllegalStateException("Rpc defined in model does not have representation in generated class.", e);
+ }
+ return ret.build();
+ }
+
+ private Module getModuleBlocking(final Class<?> modeledClass) {
+ final QNameModule moduleName = BindingReflections.getQNameModule(modeledClass);
+ final URI namespace = moduleName.getNamespace();
+ final Date revision = moduleName.getRevision();
+ Module module = runtimeContext().getSchemaContext().findModuleByNamespaceAndRevision(namespace, revision);
+ if((module == null) && this.futureSchema.waitForSchema(namespace,revision)) {
+ module = runtimeContext().getSchemaContext().findModuleByNamespaceAndRevision(namespace, revision);
+ }
+ Preconditions.checkState(module != null, "Schema for %s is not available.", modeledClass);
+ return module;
+ }
+
+ private void waitForSchema(final Collection<Class<?>> binding, final MissingSchemaException e) {
+ LOG.warn("Blocking thread to wait for schema convergence updates for {} {}", this.futureSchema.getDuration(),
+ this.futureSchema.getUnit());
+ if(this.futureSchema.waitForSchema(binding)) {
+ return;
+ }
+
+ throw e;
+ }
+
private Method findRpcMethod(final Class<? extends RpcService> key, final RpcDefinition rpcDef) throws NoSuchMethodException {
final String methodName = BindingMapping.getMethodName(rpcDef.getQName());
- if(rpcDef.getInput() != null) {
- final Class<?> inputClz = runtimeContext.getClassForSchema(rpcDef.getInput());
+ if(rpcDef.getInput() != null && isExplicitStatement(rpcDef.getInput())) {
+ final Class<?> inputClz = runtimeContext().getClassForSchema(rpcDef.getInput());
return key.getMethod(methodName, inputClz);
}
return key.getMethod(methodName);
}
+ private static boolean isExplicitStatement(final ContainerSchemaNode node) {
+ return node instanceof EffectiveStatement
+ && ((EffectiveStatement) node).getDeclared().getStatementSource() == StatementSource.DECLARATION;
+ }
+
+ private BindingRuntimeContext runtimeContext() {
+ return this.futureSchema.runtimeContext();
+ }
+
@Override
- public BindingCodecTree create(BindingRuntimeContext context) {
- return codecRegistry.create(context);
+ public BindingCodecTree create(final BindingRuntimeContext context) {
+ return this.codecRegistry.create(context);
}
@Override
- public BindingCodecTree create(SchemaContext context, Class<?>... bindingClasses) {
- return codecRegistry.create(context, bindingClasses);
+ public BindingCodecTree create(final SchemaContext context, final Class<?>... bindingClasses) {
+ return this.codecRegistry.create(context, bindingClasses);
+ }
+
+ @Nonnull
+ protected Map.Entry<InstanceIdentifier<?>, BindingCodecTreeNode<?>> getSubtreeCodec(
+ final YangInstanceIdentifier domIdentifier) {
+
+ final BindingCodecTree currentCodecTree = this.codecRegistry.getCodecContext();
+ final InstanceIdentifier<?> bindingPath = this.codecRegistry.fromYangInstanceIdentifier(domIdentifier);
+ Preconditions.checkArgument(bindingPath != null);
+ /**
+ * If we are able to deserialize YANG instance identifier, getSubtreeCodec must
+ * return non-null value.
+ */
+ final BindingCodecTreeNode<?> codecContext = currentCodecTree.getSubtreeCodec(bindingPath);
+ return new SimpleEntry<>(bindingPath, codecContext);
+ }
+
+ @SuppressWarnings("unchecked")
+ public Set<Class<? extends Notification>> getNotificationClasses(final Set<SchemaPath> interested) {
+ final Set<Class<? extends Notification>> result = new HashSet<>();
+ final Set<NotificationDefinition> knownNotifications = runtimeContext().getSchemaContext().getNotifications();
+ for (final NotificationDefinition notification : knownNotifications) {
+ if (interested.contains(notification.getPath())) {
+ try {
+ result.add((Class<? extends Notification>) runtimeContext().getClassForSchema(notification));
+ } catch (final IllegalStateException e) {
+ // Ignore
+ LOG.warn("Class for {} is currently not known.",notification.getPath(),e);
+ }
+ }
+ }
+ return result;
+ }
+
+ private static Collection<Class<?>> decompose(final InstanceIdentifier<?> path) {
+ final Set<Class<?>> clazzes = new HashSet<>();
+ for(final InstanceIdentifier.PathArgument arg : path.getPathArguments()) {
+ clazzes.add(arg.getType());
+ }
+ return clazzes;
}
}