*/
package org.opendaylight.yangtools.binding.data.codec.impl;
+import com.google.common.base.Optional;
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.model.api.ChoiceCaseNode;
import org.opendaylight.yangtools.yang.model.api.ChoiceNode;
import org.opendaylight.yangtools.yang.model.api.DataSchemaNode;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
final class ChoiceNodeCodecContext extends DataContainerCodecContext<ChoiceNode> {
-
+ private static final Logger LOG = LoggerFactory.getLogger(ChoiceNodeCodecContext.class);
private final ImmutableMap<YangInstanceIdentifier.PathArgument, DataContainerCodecPrototype<?>> byYangCaseChild;
private final ImmutableMap<Class<?>, DataContainerCodecPrototype<?>> byClass;
private final ImmutableMap<Class<?>, DataContainerCodecPrototype<?>> byCaseChildClass;
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);
- byClassBuilder.put(cazeDef.getBindingClass(), cazeDef);
- for (Class<? extends DataObject> cazeChild : BindingReflections.getChildrenClasses((Class) caze)) {
- byCaseChildClassBuilder.put(cazeChild, cazeDef);
- }
- for (DataSchemaNode cazeChild : cazeDef.getSchema().getChildNodes()) {
- byYangCaseChildBuilder.put(new NodeIdentifier(cazeChild.getQName()), cazeDef);
+ // 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) {
- return byClass.get(childClass).get();
+ DataContainerCodecPrototype<?> child = byClass.get(childClass);
+ Preconditions.checkArgument(child != null,"Supplied class is not valid case",childClass);
+ return child.get();
+ }
+
+ @Override
+ protected Optional<DataContainerCodecContext<?>> getPossibleStreamChild(final Class<?> childClass) {
+ DataContainerCodecPrototype<?> child = byClass.get(childClass);
+ if(child != null) {
+ return Optional.<DataContainerCodecContext<?>>of(child.get());
+ }
+ return Optional.absent();
}
Iterable<Class<?>> getCaseChildrenClasses() {
}
protected DataContainerCodecPrototype<ChoiceCaseNode> loadCase(final Class<?> childClass) {
- ChoiceCaseNode childSchema = factory().getRuntimeContext().getCaseSchemaDefinition(schema(), childClass);
- return DataContainerCodecPrototype.from(childClass, childSchema, factory());
+ Optional<ChoiceCaseNode> childSchema = factory().getRuntimeContext().getCaseSchemaDefinition(schema(), childClass);
+ if (childSchema.isPresent()) {
+ return DataContainerCodecPrototype.from(childClass, childSchema.get(), factory());
+ }
+
+ LOG.debug("Supplied class %s is not valid case in schema %s", childClass, schema());
+ return null;
}
@Override
Code Review / yangtools.git / blobdiff