* terms of the Eclipse Public License v1.0 which accompanies this distribution,
* and is available at http://www.eclipse.org/legal/epl-v10.html
*/
-
package org.opendaylight.mdsal.binding.dom.adapter;
-import com.google.common.base.Function;
-import com.google.common.base.Optional;
-import com.google.common.base.Preconditions;
+import static java.util.Objects.requireNonNull;
+
+import com.google.common.collect.ImmutableBiMap;
import com.google.common.collect.ImmutableMap;
-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.Collection;
+import java.util.Map;
import java.util.Map.Entry;
-import org.opendaylight.mdsal.binding.dom.codec.impl.BindingNormalizedNodeCodecRegistry;
-import org.opendaylight.mdsal.dom.api.DOMRpcResult;
+import org.eclipse.jdt.annotation.NonNull;
+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.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.binding.util.BindingReflections;
-import org.opendaylight.yangtools.yang.common.QName;
-import org.opendaylight.yangtools.yang.common.RpcError;
-import org.opendaylight.yangtools.yang.common.RpcError.ErrorSeverity;
-import org.opendaylight.yangtools.yang.common.RpcResult;
-import org.opendaylight.yangtools.yang.common.RpcResultBuilder;
-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.SchemaPath;
+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 BindingToNormalizedNodeCodec codec;
- 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 BindingToNormalizedNodeCodec codec,
+ RpcServiceAdapter(final Class<? extends RpcService> type, final AdapterContext adapterContext,
final DOMRpcService domService) {
- this.type = Preconditions.checkNotNull(type);
- this.codec = Preconditions.checkNotNull(codec);
- this.delegate = Preconditions.checkNotNull(domService);
- final ImmutableMap.Builder<Method, RpcInvocationStrategy> rpcBuilder = ImmutableMap.builder();
- for (final Entry<Method, RpcDefinition> rpc : codec.getRpcMethodToSchema(type).entrySet()) {
- rpcBuilder.put(rpc.getKey(), createStrategy(rpc.getKey(), rpc.getValue()));
+ this.type = requireNonNull(type);
+ this.adapterContext = requireNonNull(adapterContext);
+ delegate = requireNonNull(domService);
+ facade = (RpcService) Proxy.newProxyInstance(type.getClassLoader(), new Class[] {type}, this);
+
+ final var methods = getRpcMethodToSchema(adapterContext.currentSerializer(), type);
+ final var rpcBuilder = ImmutableMap.<Method, RpcInvocationStrategy>builderWithExpectedSize(methods.size());
+ for (var entry : methods.entrySet()) {
+ final var method = entry.getKey();
+ rpcBuilder.put(method, RpcInvocationStrategy.of(this, method, entry.getValue()));
}
rpcNames = rpcBuilder.build();
- proxy = (RpcService) Proxy.newProxyInstance(type.getClassLoader(), new Class[] {type}, this);
}
- private RpcInvocationStrategy createStrategy(final Method method, final RpcDefinition schema) {
- final RpcRoutingStrategy strategy = RpcRoutingStrategy.from(schema);
- if (strategy.isContextBasedRouted()) {
- return new RoutedStrategy(schema.getPath(), method, strategy.getLeaf());
- }
- return new NonRoutedStrategy(schema.getPath());
+ final @NonNull CurrentAdapterSerializer currentSerializer() {
+ return adapterContext.currentSerializer();
}
- RpcService getProxy() {
- return proxy;
+ final @NonNull DOMRpcService delegate() {
+ return delegate;
}
- @Override
- @SuppressWarnings("checkstyle:hiddenField")
- public Object invoke(final Object proxy, final Method method, final Object[] args) throws Throwable {
+ final @NonNull RpcService facade() {
+ return facade;
+ }
- final RpcInvocationStrategy rpc = rpcNames.get(method);
- if (rpc != null) {
- if (method.getParameterTypes().length == 0) {
- return rpc.invokeEmpty();
- }
+ @Override
+ public Object invoke(final Object proxy, final Method method, final Object[] args) {
+ final var strategy = rpcNames.get(method);
+ if (strategy != null) {
if (args.length != 1) {
throw new IllegalArgumentException("Input must be provided.");
}
- return rpc.invoke((DataObject) args[0]);
+ return strategy.invoke((DataObject) requireNonNull(args[0]));
}
- if (isObjectMethod(method)) {
- return callObjectMethod(proxy, method, args);
- }
- throw new UnsupportedOperationException("Method " + method.toString() + "is unsupported.");
- }
-
- private static boolean isObjectMethod(final Method method) {
switch (method.getName()) {
case "toString":
- return method.getReturnType().equals(String.class) && method.getParameterTypes().length == 0;
+ if (method.getReturnType().equals(String.class) && method.getParameterCount() == 0) {
+ return type.getName() + "$Adapter{delegate=" + delegate.toString() + "}";
+ }
+ break;
case "hashCode":
- return method.getReturnType().equals(int.class) && method.getParameterTypes().length == 0;
+ if (method.getReturnType().equals(int.class) && method.getParameterCount() == 0) {
+ return System.identityHashCode(proxy);
+ }
+ break;
case "equals":
- return method.getReturnType().equals(boolean.class) && method.getParameterTypes().length == 1
- && method.getParameterTypes()[0] == Object.class;
+ if (method.getReturnType().equals(boolean.class) && method.getParameterCount() == 1
+ && method.getParameterTypes()[0] == Object.class) {
+ return proxy == args[0];
+ }
+ break;
default:
- return false;
+ break;
}
- }
- private Object callObjectMethod(final Object self, final Method method, final Object[] args) {
- switch (method.getName()) {
- case "toString":
- return type.getName() + "$Adapter{delegate=" + delegate.toString() + "}";
- case "hashCode":
- return System.identityHashCode(self);
- case "equals":
- return self == args[0];
- default:
- return null;
- }
+ throw new UnsupportedOperationException("Method " + method.toString() + "is unsupported.");
}
- private abstract class RpcInvocationStrategy {
-
- private final SchemaPath rpcName;
-
- protected RpcInvocationStrategy(final SchemaPath path) {
- rpcName = path;
- }
-
- final ListenableFuture<RpcResult<?>> invoke(final DataObject input) {
- return invoke0(rpcName, serialize(input));
- }
-
- abstract NormalizedNode<?, ?> serialize(DataObject input);
-
- final ListenableFuture<RpcResult<?>> invokeEmpty() {
- return invoke0(rpcName, null);
- }
-
- final SchemaPath getRpcName() {
- return rpcName;
- }
-
- ListenableFuture<RpcResult<?>> invoke0(final SchemaPath schemaPath, final NormalizedNode<?, ?> input) {
- final ListenableFuture<DOMRpcResult> result = delegate.invokeRpc(schemaPath, input);
- if (result instanceof LazyDOMRpcResultFuture) {
- return ((LazyDOMRpcResultFuture) result).getBindingFuture();
- }
-
- return transformFuture(schemaPath, result, codec.getCodecFactory());
- }
-
- private ListenableFuture<RpcResult<?>> transformFuture(final SchemaPath rpc,
- final ListenableFuture<DOMRpcResult> domFuture, final BindingNormalizedNodeCodecRegistry resultCodec) {
- return Futures.transform(domFuture, (Function<DOMRpcResult, RpcResult<?>>) input -> {
- final NormalizedNode<?, ?> domData = input.getResult();
- final DataObject bindingResult;
- if (domData != null) {
- final SchemaPath rpcOutput = rpc.createChild(YangConstants.operationOutputQName(
- rpc.getLastComponent().getModule()));
- bindingResult = resultCodec.fromNormalizedNodeRpcData(rpcOutput, (ContainerNode) domData);
- } else {
- bindingResult = null;
+ // FIXME: This should be probably part of BindingRuntimeContext and RpcServices perhaps should have their own
+ // RuntimeType
+ private static ImmutableBiMap<Method, RpcRuntimeType> getRpcMethodToSchema(
+ final CurrentAdapterSerializer serializer, final Class<? extends RpcService> key) {
+ final var runtimeContext = serializer.getRuntimeContext();
+ final var types = runtimeContext.getTypes();
+ final var qnameModule = BindingReflections.getQNameModule(key);
+
+ // 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 " + key));
+ return 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 = key.getMethod(methodName, inputClz);
+ } catch (NoSuchMethodException e) {
+ throw new IllegalStateException("Cannot find RPC method for " + rpc, e);
}
- // DOMRpcResult does not have a notion of success, hence we have to reverse-engineer it by looking
- // at reported errors and checking whether they are just warnings.
- final Collection<RpcError> errors = input.getErrors();
- return RpcResult.class.cast(RpcResultBuilder.status(errors.stream()
- .noneMatch(error -> error.getSeverity() == ErrorSeverity.ERROR))
- .withResult(bindingResult).withRpcErrors(errors).build());
- }, MoreExecutors.directExecutor());
- }
- }
-
- private final class NonRoutedStrategy extends RpcInvocationStrategy {
-
- protected NonRoutedStrategy(final SchemaPath path) {
- super(path);
- }
-
- @Override
- NormalizedNode<?, ?> serialize(final DataObject input) {
- return LazySerializedContainerNode.create(getRpcName(), input, codec.getCodecRegistry());
- }
-
- }
-
- private final class RoutedStrategy extends RpcInvocationStrategy {
-
- private final ContextReferenceExtractor refExtractor;
- private final NodeIdentifier contextName;
-
- protected RoutedStrategy(final SchemaPath path, final Method rpcMethod, final QName leafName) {
- super(path);
- final Optional<Class<? extends DataContainer>> maybeInputType =
- BindingReflections.resolveRpcInputClass(rpcMethod);
- Preconditions.checkState(maybeInputType.isPresent(), "RPC method %s has no input", rpcMethod.getName());
- final Class<? extends DataContainer> inputType = maybeInputType.get();
- refExtractor = ContextReferenceExtractor.from(inputType);
- this.contextName = new NodeIdentifier(leafName);
- }
-
- @Override
- NormalizedNode<?, ?> serialize(final DataObject input) {
- final InstanceIdentifier<?> bindingII = refExtractor.extract(input);
- if (bindingII != null) {
- final YangInstanceIdentifier yangII = codec.toYangInstanceIdentifierCached(bindingII);
- final LeafNode<?> contextRef = ImmutableNodes.leafNode(contextName, yangII);
- return LazySerializedContainerNode.withContextRef(getRpcName(), input, contextRef,
- codec.getCodecRegistry());
- }
- return LazySerializedContainerNode.create(getRpcName(), input, codec.getCodecRegistry());
- }
-
+ final var type = types.schemaTreeChild(rpcName);
+ if (!(type instanceof RpcRuntimeType rpcType)) {
+ throw new IllegalStateException("Unexpected run-time type " + type + " for " + rpcName);
+ }
+ return Map.entry(method, rpcType);
+ })
+ .collect(ImmutableBiMap.toImmutableBiMap(Entry::getKey, Entry::getValue));
}
}