import com.google.common.base.Preconditions;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.Iterables;
+
import java.util.HashMap;
+import java.util.HashSet;
import java.util.Map;
+import java.util.Map.Entry;
+import java.util.Set;
+
import org.opendaylight.yangtools.yang.binding.DataObject;
import org.opendaylight.yangtools.yang.binding.util.BindingReflections;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
Map<YangInstanceIdentifier.PathArgument, DataContainerCodecPrototype<?>> byYangCaseChildBuilder = new HashMap<>();
Map<Class<?>, DataContainerCodecPrototype<?>> byClassBuilder = new HashMap<>();
Map<Class<?>, DataContainerCodecPrototype<?>> byCaseChildClassBuilder = new HashMap<>();
-
+ Set<Class<?>> potentialSubstitutions = new HashSet<>();
+ // Walks all cases for supplied choice in current runtime context
for (Class<?> caze : factory().getRuntimeContext().getCases(bindingClass())) {
+ // We try to load case using exact match thus name
+ // and original schema must equals
DataContainerCodecPrototype<ChoiceCaseNode> cazeDef = loadCase(caze);
+ // If we have case definition, this case is instantiated
+ // at current location and thus is valid in context of parent choice
if (cazeDef != null) {
byClassBuilder.put(cazeDef.getBindingClass(), cazeDef);
+ // Updates collection of case children
for (Class<? extends DataObject> cazeChild : BindingReflections.getChildrenClasses((Class) caze)) {
byCaseChildClassBuilder.put(cazeChild, cazeDef);
}
+ // Updates collection of YANG instance identifier to case
for (DataSchemaNode cazeChild : cazeDef.getSchema().getChildNodes()) {
byYangCaseChildBuilder.put(new NodeIdentifier(cazeChild.getQName()), cazeDef);
}
+ } else {
+ /*
+ * If case definition is not available, we store it for
+ * later check if it could be used as substitution of existing one.
+ */
+ potentialSubstitutions.add(caze);
}
}
+ Map<Class<?>, DataContainerCodecPrototype<?>> bySubstitutionBuilder = new HashMap<>();
+ /*
+ * Walks all cases which are not directly instantiated and
+ * tries to match them to instantiated cases - represent same data as instantiated case,
+ * only case name or schema path is different. This is required due property of
+ * binding specification, that if choice is in grouping schema path location is lost,
+ * and users may use incorrect case class using copy builders.
+ */
+ for(Class<?> substitution : potentialSubstitutions) {
+ search: for(Entry<Class<?>, DataContainerCodecPrototype<?>> real : byClassBuilder.entrySet()) {
+ if(BindingReflections.isSubstitutionFor(substitution, real.getKey())) {
+ bySubstitutionBuilder.put(substitution, real.getValue());
+ break search;
+ }
+ }
+ }
+ byClassBuilder.putAll(bySubstitutionBuilder);
byYangCaseChild = ImmutableMap.copyOf(byYangCaseChildBuilder);
byClass = ImmutableMap.copyOf(byClassBuilder);
byCaseChildClass = ImmutableMap.copyOf(byCaseChildClassBuilder);
@Override
protected DataContainerCodecContext<?> getStreamChild(final Class<?> childClass) {
DataContainerCodecPrototype<?> childProto = byStreamClass.get(childClass);
+ if (childProto != null) {
+ return childProto.get();
+ }
+
+ if (Augmentation.class.isAssignableFrom(childClass)) {
+ /*
+ * It is potentially mismatched valid augmentation - we look up equivalent augmentation
+ * using reflection and walk all stream child and compare augmenations classes
+ * if they are equivalent.
+ *
+ * FIXME: Cache mapping of mismatched augmentation to real one, to speed up lookup.
+ */
+ Class<?> augTarget = BindingReflections.findAugmentationTarget((Class) childClass);
+ if ((bindingClass().equals(augTarget))) {
+ for (DataContainerCodecPrototype<?> realChild : byStreamClass.values()) {
+ if (Augmentation.class.isAssignableFrom(realChild.getBindingClass())
+ && BindingReflections.isSubstitutionFor(childClass,realChild.getBindingClass())) {
+ childProto = realChild;
+ break;
+ }
+ }
+ }
+ }
Preconditions.checkArgument(childProto != null, " Child %s is not valid child.",childClass);
return childProto.get();
}
--- /dev/null
+/*
+ * Copyright (c) 2014 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,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.opendaylight.yangtools.binding.data.codec.test;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
+
+import java.util.Collections;
+import java.util.Map.Entry;
+
+import javassist.ClassPool;
+
+import org.junit.Test;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.test.augment.rev140709.RpcComplexUsesAugment;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.test.augment.rev140709.RpcComplexUsesAugmentBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.test.augment.rev140709.TreeComplexUsesAugment;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.test.augment.rev140709.TreeComplexUsesAugmentBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.test.augment.rev140709.TreeLeafOnlyAugment;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.test.augment.rev140709.complex.from.grouping.ContainerWithUsesBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.test.augment.rev140709.complex.from.grouping.ListViaUses;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.test.list.rev140701.Top;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.test.list.rev140701.two.level.list.TopLevelList;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.test.list.rev140701.two.level.list.TopLevelListBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.test.list.rev140701.two.level.list.TopLevelListKey;
+import org.opendaylight.yangtools.binding.data.codec.gen.impl.StreamWriterGenerator;
+import org.opendaylight.yangtools.binding.data.codec.impl.BindingNormalizedNodeCodecRegistry;
+import org.opendaylight.yangtools.sal.binding.generator.util.JavassistUtils;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+import org.opendaylight.yangtools.yang.common.QName;
+import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
+import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.AugmentationIdentifier;
+import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
+import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
+
+
+public class AugmentationSubstitutionTest extends AbstractBindingRuntimeTest {
+
+ private static final TopLevelListKey TOP_FOO_KEY = new TopLevelListKey("foo");
+ private static final InstanceIdentifier<TopLevelList> BA_TOP_LEVEL_LIST = InstanceIdentifier.builder(Top.class)
+ .child(TopLevelList.class, TOP_FOO_KEY).toInstance();
+ private static final InstanceIdentifier<TreeLeafOnlyAugment> BA_TREE_LEAF_ONLY = BA_TOP_LEVEL_LIST
+ .augmentation(TreeLeafOnlyAugment.class);
+ private static final InstanceIdentifier<TreeComplexUsesAugment> BA_TREE_COMPLEX_USES = BA_TOP_LEVEL_LIST
+ .augmentation(TreeComplexUsesAugment.class);
+ private static final QName SIMPLE_VALUE_QNAME = QName.create(TreeComplexUsesAugment.QNAME, "simple-value");
+
+ private BindingNormalizedNodeCodecRegistry registry;
+
+ @Override
+ public void setup() {
+ super.setup();
+ JavassistUtils utils = JavassistUtils.forClassPool(ClassPool.getDefault());
+ registry = new BindingNormalizedNodeCodecRegistry(StreamWriterGenerator.create(utils));
+ registry.onBindingRuntimeContextUpdated(getRuntimeContext());
+ }
+
+ @Test
+ public void augmentationInGroupingSubstituted() {
+ TopLevelList baRpc = new TopLevelListBuilder()
+ .setKey(TOP_FOO_KEY)
+ .addAugmentation(RpcComplexUsesAugment.class, new RpcComplexUsesAugmentBuilder(createComplexData()).build())
+ .build();
+ TopLevelList baTree = new TopLevelListBuilder()
+ .setKey(TOP_FOO_KEY)
+ .addAugmentation(TreeComplexUsesAugment.class, new TreeComplexUsesAugmentBuilder(createComplexData()).build())
+ .build();
+ NormalizedNode<?, ?> domTreeEntry = registry.toNormalizedNode(BA_TOP_LEVEL_LIST, baTree).getValue();
+ NormalizedNode<?, ?> domRpcEntry = registry.toNormalizedNode(BA_TOP_LEVEL_LIST, baRpc).getValue();
+ assertEquals(domTreeEntry, domRpcEntry);
+ }
+
+ private RpcComplexUsesAugment createComplexData() {
+ return new RpcComplexUsesAugmentBuilder()
+ .setContainerWithUses(new ContainerWithUsesBuilder()
+ .setLeafFromGrouping("foo")
+ .build())
+ .setListViaUses(Collections.<ListViaUses>emptyList())
+ .build();
+ }
+
+}
--- /dev/null
+/*
+ * Copyright (c) 2014 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,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.opendaylight.yangtools.binding.data.codec.test;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
+
+import java.util.Collections;
+import java.util.Map.Entry;
+
+import javassist.ClassPool;
+
+import org.junit.Test;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.test.augment.rev140709.RpcComplexUsesAugment;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.test.augment.rev140709.RpcComplexUsesAugmentBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.test.augment.rev140709.TreeComplexUsesAugment;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.test.augment.rev140709.TreeComplexUsesAugmentBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.test.augment.rev140709.TreeLeafOnlyAugment;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.test.augment.rev140709.complex.from.grouping.ContainerWithUsesBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.test.augment.rev140709.complex.from.grouping.ListViaUses;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.test.augment.rev140709.put.top.input.top.level.list.choice.in.list.ComplexViaUsesWithDifferentNameBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.test.augment.rev140709.top.top.level.list.choice.in.list.ComplexViaUsesBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.test.list.rev140701.Top;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.test.list.rev140701.two.level.list.TopLevelList;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.test.list.rev140701.two.level.list.TopLevelListBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.test.list.rev140701.two.level.list.TopLevelListKey;
+import org.opendaylight.yangtools.binding.data.codec.gen.impl.StreamWriterGenerator;
+import org.opendaylight.yangtools.binding.data.codec.impl.BindingNormalizedNodeCodecRegistry;
+import org.opendaylight.yangtools.sal.binding.generator.util.JavassistUtils;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+import org.opendaylight.yangtools.yang.common.QName;
+import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
+import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.AugmentationIdentifier;
+import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
+import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
+
+
+public class CaseSubstitutionTest extends AbstractBindingRuntimeTest {
+
+ private static final TopLevelListKey TOP_FOO_KEY = new TopLevelListKey("foo");
+ private static final InstanceIdentifier<TopLevelList> BA_TOP_LEVEL_LIST = InstanceIdentifier.builder(Top.class)
+ .child(TopLevelList.class, TOP_FOO_KEY).toInstance();
+ private static final InstanceIdentifier<TreeLeafOnlyAugment> BA_TREE_LEAF_ONLY = BA_TOP_LEVEL_LIST
+ .augmentation(TreeLeafOnlyAugment.class);
+ private static final InstanceIdentifier<TreeComplexUsesAugment> BA_TREE_COMPLEX_USES = BA_TOP_LEVEL_LIST
+ .augmentation(TreeComplexUsesAugment.class);
+ private static final QName SIMPLE_VALUE_QNAME = QName.create(TreeComplexUsesAugment.QNAME, "simple-value");
+
+ private BindingNormalizedNodeCodecRegistry registry;
+
+ @Override
+ public void setup() {
+ super.setup();
+ JavassistUtils utils = JavassistUtils.forClassPool(ClassPool.getDefault());
+ registry = new BindingNormalizedNodeCodecRegistry(StreamWriterGenerator.create(utils));
+ registry.onBindingRuntimeContextUpdated(getRuntimeContext());
+ }
+
+ @Test
+ public void choiceInGroupingSubstituted() {
+ TopLevelList baRpc = new TopLevelListBuilder()
+ .setKey(TOP_FOO_KEY)
+ .setChoiceInList(new ComplexViaUsesWithDifferentNameBuilder(createComplexData()).build())
+ .build();
+ TopLevelList baTree = new TopLevelListBuilder()
+ .setKey(TOP_FOO_KEY)
+ .setChoiceInList(new ComplexViaUsesBuilder(createComplexData()).build())
+ .build();
+ NormalizedNode<?, ?> domTreeEntry = registry.toNormalizedNode(BA_TOP_LEVEL_LIST, baTree).getValue();
+ NormalizedNode<?, ?> domRpcEntry = registry.toNormalizedNode(BA_TOP_LEVEL_LIST, baRpc).getValue();
+ assertEquals(domTreeEntry, domRpcEntry);
+ }
+
+ private RpcComplexUsesAugment createComplexData() {
+ return new RpcComplexUsesAugmentBuilder()
+ .setContainerWithUses(new ContainerWithUsesBuilder()
+ .setLeafFromGrouping("foo")
+ .build())
+ .setListViaUses(Collections.<ListViaUses>emptyList())
+ .build();
+ }
+
+}
import com.google.common.cache.LoadingCache;
import com.google.common.collect.ImmutableSet;
import com.google.common.collect.ImmutableSet.Builder;
+import com.google.common.collect.Sets;
import java.lang.reflect.Field;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.lang.reflect.Type;
+import java.util.Collections;
import java.util.HashMap;
+import java.util.HashSet;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
public static Map<Class<? extends Augmentation<?>>, Augmentation<?>> getAugmentations(final Augmentable<?> input) {
return AugmentationFieldGetter.getGetter(input.getClass()).getAugmentations(input);
}
+
+ /**
+ *
+ * Determines if two augmentation classes or case classes represents same data.
+ * <p>
+ * Two augmentations or cases could be substituted only if and if:
+ * <ul>
+ * <li>Both implements same interfaces</li>
+ * <li>Both have same children</li>
+ * <li>If augmentations: Both have same augmentation target class. Target class was generated for data node in grouping.</li>
+ * <li>If cases: Both are from same choice. Choice class was generated for data node in grouping.</li>
+ * </ul>
+ * <p>
+ * <b>Explanation:</b> Binding Specification reuses classes generated for groupings as part of normal data tree,
+ * this classes from grouping could be used at various locations and user may not be aware of it
+ * and may use incorrect case or augmentation in particular subtree (via copy constructors, etc).
+ *
+ * @param potential Class which is potential substition
+ * @param target Class which should be used at particular subtree
+ * @return true if and only if classes represents same data.
+ */
+ @SuppressWarnings({"rawtypes","unchecked"})
+ public static boolean isSubstitutionFor(Class potential, Class target) {
+ HashSet<Class> subImplemented = Sets.newHashSet(potential.getInterfaces());
+ HashSet<Class> targetImplemented = Sets.newHashSet(target.getInterfaces());
+ if(!subImplemented.equals(targetImplemented)) {
+ return false;
+ }
+ if(Augmentation.class.isAssignableFrom(potential)
+ && !BindingReflections.findAugmentationTarget(potential).equals(BindingReflections.findAugmentationTarget(target))) {
+ return false;
+ }
+ for(Method potentialMethod : potential.getMethods()) {
+ try {
+ Method targetMethod = target.getMethod(potentialMethod.getName(), potentialMethod.getParameterTypes());
+ if(!potentialMethod.getReturnType().equals(targetMethod.getReturnType())) {
+ return false;
+ }
+ } catch (NoSuchMethodException e) {
+ // Counterpart method is missing, so classes could not be substituted.
+ return false;
+ } catch (SecurityException e) {
+ throw new IllegalStateException("Could not compare methods",e);
+ }
+ }
+ return true;
+ }
}
Code Review / yangtools.git / commitdiff