/*
- * Copyright (c) 2015 Cisco Systems, Inc. and others. All rights reserved.
+ * Copyright (c) 2015 Cisco Systems, Inc. and others. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0 which accompanies this distribution,
*/
package org.opendaylight.controller.md.sal.binding.impl;
+import com.google.common.base.Preconditions;
import com.google.common.collect.ImmutableMap;
+import com.google.common.util.concurrent.CheckedFuture;
+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.Entry;
+import org.opendaylight.controller.md.sal.dom.api.DOMRpcException;
+import org.opendaylight.controller.md.sal.dom.api.DOMRpcResult;
+import org.opendaylight.controller.md.sal.dom.api.DOMRpcService;
+import org.opendaylight.controller.md.sal.dom.broker.spi.rpc.RpcRoutingStrategy;
+import org.opendaylight.controller.sal.core.compat.LegacyDOMRpcResultFutureAdapter;
+import org.opendaylight.mdsal.binding.dom.adapter.BindingRpcFutureAware;
+import org.opendaylight.mdsal.binding.dom.codec.api.BindingNormalizedNodeSerializer;
+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.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;
class RpcServiceAdapter implements InvocationHandler {
- interface InvocationDelegate {
-
- ListenableFuture<RpcResult<?>> invoke(SchemaPath rpc, DataObject dataObject);
+ private final ImmutableMap<Method, RpcInvocationStrategy> rpcNames;
+ private final Class<? extends RpcService> type;
+ private final BindingToNormalizedNodeCodec codec;
+ private final DOMRpcService delegate;
+ private final RpcService proxy;
+ RpcServiceAdapter(final Class<? extends RpcService> type, final BindingToNormalizedNodeCodec codec,
+ 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()));
+ }
+ rpcNames = rpcBuilder.build();
+ proxy = (RpcService) Proxy.newProxyInstance(type.getClassLoader(), new Class[] {type}, this);
}
- private final RpcService proxy;
- private final ImmutableMap<Method,SchemaPath> rpcNames;
- private final Class<? extends RpcService> type;
- private final InvocationDelegate delegate;
+ ListenableFuture<RpcResult<?>> invoke0(final SchemaPath schemaPath, final NormalizedNode<?, ?> input) {
+ final CheckedFuture<DOMRpcResult, DOMRpcException> result = delegate.invokeRpc(schemaPath, input);
+ if (result instanceof BindingRpcFutureAware) {
+ return ((BindingRpcFutureAware) result).getBindingFuture();
+ } else if (result instanceof LegacyDOMRpcResultFutureAdapter) {
+ CheckedFuture<org.opendaylight.mdsal.dom.api.DOMRpcResult, org.opendaylight.mdsal.dom.api.DOMRpcException>
+ delegateFuture = ((LegacyDOMRpcResultFutureAdapter)result).delegate();
+ if (delegateFuture instanceof BindingRpcFutureAware) {
+ return ((BindingRpcFutureAware) delegateFuture).getBindingFuture();
+ }
+ }
- RpcServiceAdapter(Class<? extends RpcService> type, ImmutableMap<Method, SchemaPath> rpcNames, InvocationDelegate delegate) {
- this.rpcNames = rpcNames;
- this.type = type;
- this.delegate = delegate;
- this.proxy = (RpcService) Proxy.newProxyInstance(type.getClassLoader(), new Class[]{type}, this);
+ return transformFuture(schemaPath, result, codec.getCodecFactory());
+ }
+
+ 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());
}
RpcService getProxy() {
}
@Override
- public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
+ public Object invoke(final Object proxyObj, final Method method, final Object[] args) throws Throwable {
- SchemaPath rpc = rpcNames.get(method);
- if(rpc != null) {
- if(method.getParameterTypes().length == 0) {
- return delegate.invoke(rpc, null);
+ final RpcInvocationStrategy rpc = rpcNames.get(method);
+ if (rpc != null) {
+ if (method.getParameterTypes().length == 0) {
+ return rpc.invokeEmpty();
}
- if(args.length != 1) {
+ if (args.length != 1) {
throw new IllegalArgumentException("Input must be provided.");
}
- return delegate.invoke(rpc,(DataObject) args[0]);
+ return rpc.invoke((DataObject) args[0]);
}
- if(isObjectMethod(method)) {
- return callObjectMethod(proxy, method, args);
+ if (isObjectMethod(method)) {
+ return callObjectMethod(proxyObj, method, args);
}
throw new UnsupportedOperationException("Method " + method.toString() + "is unsupported.");
}
- private static boolean isObjectMethod(Method m) {
- switch (m.getName()) {
- case "toString":
- return (m.getReturnType() == String.class && m.getParameterTypes().length == 0);
- case "hashCode":
- return (m.getReturnType() == int.class && m.getParameterTypes().length == 0);
- case "equals":
- return (m.getReturnType() == boolean.class && m.getParameterTypes().length == 1 && m.getParameterTypes()[0] == Object.class);
+ private static boolean isObjectMethod(final Method method) {
+ switch (method.getName()) {
+ case "toString":
+ return method.getReturnType().equals(String.class) && method.getParameterTypes().length == 0;
+ case "hashCode":
+ return method.getReturnType().equals(int.class) && method.getParameterTypes().length == 0;
+ case "equals":
+ return method.getReturnType().equals(boolean.class) && method.getParameterTypes().length == 1 && method
+ .getParameterTypes()[0] == Object.class;
+ default:
+ return false;
}
- return false;
}
- private Object callObjectMethod(Object self, Method m, Object[] args) {
- switch (m.getName()) {
- case "toString":
- return type.getName() + "$Adapter{delegate=" + delegate.toString()+"}";
- case "hashCode":
- return System.identityHashCode(self);
- case "equals":
- return (self == args[0]);
+ private Object callObjectMethod(final Object self, final Method method, final Object[] args) {
+ switch (method.getName()) {
+ case "toString":
+ return type.getName() + "$Adapter{delegate=" + delegate.toString() + "}";
+ case "hashCode":
+ return System.identityHashCode(self);
+ case "equals":
+ return self == args[0];
+ default:
+ return null;
+ }
+ }
+
+ private static ListenableFuture<RpcResult<?>> transformFuture(final SchemaPath rpc,
+ final ListenableFuture<DOMRpcResult> domFuture, final BindingNormalizedNodeSerializer codec) {
+ return Futures.transform(domFuture, input -> {
+ final NormalizedNode<?, ?> domData = input.getResult();
+ final DataObject bindingResult;
+ if (domData != null) {
+ final SchemaPath rpcOutput = rpc.createChild(QName.create(rpc.getLastComponent(), "output"));
+ bindingResult = codec.fromNormalizedNodeRpcData(rpcOutput, (ContainerNode) domData);
+ } else {
+ bindingResult = null;
+ }
+
+ // 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 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;
+ }
+ }
+
+ 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 Class<? extends DataContainer> inputType = BindingReflections.resolveRpcInputClass(rpcMethod).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());
}
- return null;
}
}
Code Review / controller.git / blobdiff