*/
package org.opendaylight.mdsal.binding.dom.adapter;
-import static com.google.common.base.Preconditions.checkState;
import static java.util.Objects.requireNonNull;
-import static org.opendaylight.mdsal.binding.dom.adapter.StaticConfiguration.ENABLE_CODEC_SHORTCUT;
-import com.google.common.collect.ImmutableBiMap;
import com.google.common.collect.ImmutableMap;
-import com.google.common.collect.ImmutableMap.Builder;
-import com.google.common.util.concurrent.Futures;
-import com.google.common.util.concurrent.ListenableFuture;
-import com.google.common.util.concurrent.MoreExecutors;
import java.lang.reflect.InvocationHandler;
import java.lang.reflect.Method;
import java.lang.reflect.Proxy;
+import java.util.Map;
import java.util.Map.Entry;
-import java.util.Optional;
import org.eclipse.jdt.annotation.NonNull;
-import org.opendaylight.mdsal.binding.dom.codec.api.BindingNormalizedNodeSerializer;
+import org.opendaylight.mdsal.binding.runtime.api.RpcRuntimeType;
+import org.opendaylight.mdsal.binding.spec.naming.BindingMapping;
import org.opendaylight.mdsal.binding.spec.reflect.BindingReflections;
-import org.opendaylight.mdsal.dom.api.DOMRpcResult;
import org.opendaylight.mdsal.dom.api.DOMRpcService;
-import org.opendaylight.mdsal.dom.spi.RpcRoutingStrategy;
-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.RpcService;
-import org.opendaylight.yangtools.yang.common.QName;
-import org.opendaylight.yangtools.yang.common.RpcResult;
-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.data.api.schema.LeafNode;
-import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
-import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes;
-import org.opendaylight.yangtools.yang.model.api.RpcDefinition;
-import org.opendaylight.yangtools.yang.model.api.stmt.SchemaNodeIdentifier.Absolute;
+import org.opendaylight.yangtools.yang.model.api.stmt.RpcEffectiveStatement;
class RpcServiceAdapter implements InvocationHandler {
private final ImmutableMap<Method, RpcInvocationStrategy> rpcNames;
- private final Class<? extends RpcService> type;
- private final AdapterContext adapterContext;
- private final DOMRpcService delegate;
- private final RpcService proxy;
+ private final @NonNull Class<? extends RpcService> type;
+ private final @NonNull AdapterContext adapterContext;
+ private final @NonNull DOMRpcService delegate;
+ private final @NonNull RpcService facade;
RpcServiceAdapter(final Class<? extends RpcService> type, final AdapterContext adapterContext,
final DOMRpcService domService) {
this.type = requireNonNull(type);
this.adapterContext = requireNonNull(adapterContext);
delegate = requireNonNull(domService);
+ facade = (RpcService) Proxy.newProxyInstance(type.getClassLoader(), new Class[] {type}, this);
+
+ // FIXME: This should be probably part of BindingRuntimeContext and RpcServices perhaps should have their own
+ // RuntimeType. At any rate, we are dancing around to reconstruct information RpcServiceRuntimeType would
+ // carry and the runtime context would bind to actual classes.
+ final var serializer = adapterContext.currentSerializer();
+ final var runtimeContext = serializer.getRuntimeContext();
+ final var types = runtimeContext.getTypes();
+ final var qnameModule = BindingReflections.getQNameModule(type);
+
+ // We are dancing a bit here to reconstruct things a RpcServiceRuntimeType could easily hold
+ final var module = runtimeContext.getEffectiveModelContext().findModuleStatement(qnameModule)
+ .orElseThrow(() -> new IllegalStateException("No module found for " + qnameModule + " service " + type));
+ rpcNames = module.streamEffectiveSubstatements(RpcEffectiveStatement.class)
+ .map(rpc -> {
+ final var rpcName = rpc.argument();
+ final var inputClz = runtimeContext.getRpcInput(rpcName);
+ final var methodName = BindingMapping.getRpcMethodName(rpcName);
+
+ final Method method;
+ try {
+ method = type.getMethod(methodName, inputClz);
+ } catch (NoSuchMethodException e) {
+ throw new IllegalStateException("Cannot find RPC method for " + rpc, e);
+ }
- final ImmutableBiMap<Method, RpcDefinition> methods = adapterContext.currentSerializer()
- .getRpcMethodToSchema(type);
- final Builder<Method, RpcInvocationStrategy> rpcBuilder = ImmutableMap.builderWithExpectedSize(methods.size());
- for (final Entry<Method, RpcDefinition> rpc : methods.entrySet()) {
- rpcBuilder.put(rpc.getKey(), createStrategy(rpc.getKey(), rpc.getValue()));
- }
- rpcNames = rpcBuilder.build();
- proxy = (RpcService) Proxy.newProxyInstance(type.getClassLoader(), new Class[] {type}, this);
+ final var runtimeType = types.schemaTreeChild(rpcName);
+ if (!(runtimeType instanceof RpcRuntimeType rpcType)) {
+ throw new IllegalStateException("Unexpected run-time type " + runtimeType + " for " + rpcName);
+ }
+
+ return Map.entry(method, RpcInvocationStrategy.of(this, method, rpcType));
+ })
+ .collect(ImmutableMap.toImmutableMap(Entry::getKey, Entry::getValue));
+ }
+
+ final @NonNull CurrentAdapterSerializer currentSerializer() {
+ return adapterContext.currentSerializer();
}
- private RpcInvocationStrategy createStrategy(final Method method, final RpcDefinition schema) {
- final QName rpcType = schema.getQName();
- final RpcRoutingStrategy strategy = RpcRoutingStrategy.from(schema);
- return strategy.isContextBasedRouted() ? new RoutedStrategy(rpcType, method, strategy.getLeaf())
- : new NonRoutedStrategy(rpcType);
+ final @NonNull DOMRpcService delegate() {
+ return delegate;
}
- RpcService getProxy() {
- return proxy;
+ final @NonNull RpcService facade() {
+ return facade;
}
@Override
- @SuppressWarnings("checkstyle:hiddenField")
public Object invoke(final Object proxy, final Method method, final Object[] args) {
- final RpcInvocationStrategy rpc = rpcNames.get(method);
- if (rpc != null) {
+ final var strategy = rpcNames.get(method);
+ if (strategy != null) {
if (args.length != 1) {
throw new IllegalArgumentException("Input must be provided.");
}
- return rpc.invoke((DataObject) requireNonNull(args[0]));
+ return strategy.invoke((DataObject) requireNonNull(args[0]));
}
switch (method.getName()) {
throw new UnsupportedOperationException("Method " + method.toString() + "is unsupported.");
}
-
- private abstract class RpcInvocationStrategy {
- private final @NonNull NodeIdentifier inputIdentifier;
- private final @NonNull Absolute outputPath;
-
- RpcInvocationStrategy(final QName rpcName) {
- final var namespace = rpcName.getModule();
- outputPath = Absolute.of(rpcName, YangConstants.operationOutputQName(namespace).intern()).intern();
- inputIdentifier = NodeIdentifier.create(YangConstants.operationInputQName(namespace.intern()));
- }
-
- final ListenableFuture<RpcResult<?>> invoke(final DataObject input) {
- return invoke0(serialize(input));
- }
-
- abstract ContainerNode serialize(DataObject input);
-
- final @NonNull NodeIdentifier inputIdentifier() {
- return inputIdentifier;
- }
-
- private ListenableFuture<RpcResult<?>> invoke0(final ContainerNode input) {
- final ListenableFuture<? extends DOMRpcResult> result =
- delegate.invokeRpc(outputPath.firstNodeIdentifier(), input);
- if (ENABLE_CODEC_SHORTCUT && result instanceof BindingRpcFutureAware bindingAware) {
- return bindingAware.getBindingFuture();
- }
-
- return transformFuture(result, adapterContext.currentSerializer());
- }
-
- private ListenableFuture<RpcResult<?>> transformFuture(final ListenableFuture<? extends DOMRpcResult> domFuture,
- final BindingNormalizedNodeSerializer resultCodec) {
- return Futures.transform(domFuture, input -> {
- final NormalizedNode domData = input.value();
- final DataObject bindingResult;
- if (domData != null) {
- bindingResult = resultCodec.fromNormalizedNodeRpcData(outputPath, (ContainerNode) domData);
- } else {
- bindingResult = null;
- }
-
- return RpcResultUtil.rpcResultFromDOM(input.errors(), bindingResult);
- }, MoreExecutors.directExecutor());
- }
- }
-
- private final class NonRoutedStrategy extends RpcInvocationStrategy {
- NonRoutedStrategy(final QName rpcName) {
- super(rpcName);
- }
-
- @Override
- ContainerNode serialize(final DataObject input) {
- return LazySerializedContainerNode.create(inputIdentifier(), input, adapterContext.currentSerializer());
- }
- }
-
- private final class RoutedStrategy extends RpcInvocationStrategy {
- private final ContextReferenceExtractor refExtractor;
- private final NodeIdentifier contextName;
-
- RoutedStrategy(final QName rpcName, final Method rpcMethod, final QName leafName) {
- super(rpcName);
- final Optional<Class<? extends DataContainer>> maybeInputType =
- BindingReflections.resolveRpcInputClass(rpcMethod);
- checkState(maybeInputType.isPresent(), "RPC method %s has no input", rpcMethod.getName());
- final Class<? extends DataContainer> inputType = maybeInputType.get();
- refExtractor = ContextReferenceExtractor.from(inputType);
- contextName = new NodeIdentifier(leafName);
- }
-
- @Override
- ContainerNode serialize(final DataObject input) {
- final InstanceIdentifier<?> bindingII = refExtractor.extract(input);
- final CurrentAdapterSerializer serializer = adapterContext.currentSerializer();
-
- if (bindingII != null) {
- final YangInstanceIdentifier yangII = serializer.toCachedYangInstanceIdentifier(bindingII);
- final LeafNode<?> contextRef = ImmutableNodes.leafNode(contextName, yangII);
- return LazySerializedContainerNode.withContextRef(inputIdentifier(), input, contextRef, serializer);
- }
- return LazySerializedContainerNode.create(inputIdentifier(), input, serializer);
- }
-
- }
}