import static com.google.common.base.Preconditions.checkArgument;
import com.google.common.base.Optional;
+import com.google.common.base.Preconditions;
+import com.google.common.base.Predicates;
+import com.google.common.base.Verify;
+import com.google.common.collect.Collections2;
+import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;
+import com.google.common.collect.ImmutableMap.Builder;
+import java.util.Collection;
+import java.util.HashMap;
import java.util.Map;
-import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
+import java.util.Map.Entry;
+import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
+import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
import org.opendaylight.yangtools.yang.data.api.schema.ChoiceNode;
+import org.opendaylight.yangtools.yang.data.api.schema.DataContainerChild;
import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
+import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNodes;
import org.opendaylight.yangtools.yang.data.api.schema.tree.TreeType;
+import org.opendaylight.yangtools.yang.data.api.schema.tree.spi.TreeNode;
+import org.opendaylight.yangtools.yang.data.api.schema.tree.spi.Version;
import org.opendaylight.yangtools.yang.data.impl.schema.builder.api.DataContainerNodeBuilder;
import org.opendaylight.yangtools.yang.data.impl.schema.builder.impl.ImmutableChoiceNodeBuilder;
import org.opendaylight.yangtools.yang.model.api.ChoiceCaseNode;
import org.opendaylight.yangtools.yang.model.api.DataSchemaNode;
final class ChoiceModificationStrategy extends AbstractNodeContainerModificationStrategy {
- private final Map<YangInstanceIdentifier.PathArgument, ModificationApplyOperation> childNodes;
+ private final Map<PathArgument, ModificationApplyOperation> childNodes;
+ // FIXME: enforce leaves not coming from two case statements at the same time
+ private final Map<CaseEnforcer, Collection<CaseEnforcer>> exclusions;
+ private final Map<PathArgument, CaseEnforcer> caseEnforcers;
ChoiceModificationStrategy(final ChoiceSchemaNode schemaNode, final TreeType treeType) {
- super(ChoiceNode.class);
- final ImmutableMap.Builder<YangInstanceIdentifier.PathArgument, ModificationApplyOperation> child = ImmutableMap.builder();
+ super(ChoiceNode.class, treeType);
+ final Builder<PathArgument, ModificationApplyOperation> childBuilder = ImmutableMap.builder();
+ final Builder<PathArgument, CaseEnforcer> enforcerBuilder = ImmutableMap.builder();
for (final ChoiceCaseNode caze : schemaNode.getCases()) {
- if(SchemaAwareApplyOperation.belongsToTree(treeType,caze)) {
- for (final DataSchemaNode cazeChild : caze.getChildNodes()) {
- if(SchemaAwareApplyOperation.belongsToTree(treeType,cazeChild)) {
- final SchemaAwareApplyOperation childNode = SchemaAwareApplyOperation.from(cazeChild,treeType);
- child.put(new YangInstanceIdentifier.NodeIdentifier(cazeChild.getQName()), childNode);
- }
+ final CaseEnforcer enforcer = CaseEnforcer.forTree(caze, treeType);
+ if (enforcer != null) {
+ for (final Entry<NodeIdentifier, DataSchemaNode> e : enforcer.getChildEntries()) {
+ childBuilder.put(e.getKey(), SchemaAwareApplyOperation.from(e.getValue(), treeType));
+ enforcerBuilder.put(e.getKey(), enforcer);
}
}
}
- childNodes = child.build();
+ childNodes = childBuilder.build();
+ caseEnforcers = enforcerBuilder.build();
+
+ final Map<CaseEnforcer, Collection<CaseEnforcer>> exclusionsBuilder = new HashMap<>();
+ for (CaseEnforcer e : caseEnforcers.values()) {
+ exclusionsBuilder.put(e, ImmutableList.copyOf(
+ Collections2.filter(caseEnforcers.values(), Predicates.not(Predicates.equalTo(e)))));
+ }
+ exclusions = ImmutableMap.copyOf(exclusionsBuilder);
}
@Override
- public Optional<ModificationApplyOperation> getChild(final YangInstanceIdentifier.PathArgument child) {
+ public Optional<ModificationApplyOperation> getChild(final PathArgument child) {
return Optional.fromNullable(childNodes.get(child));
}
checkArgument(original instanceof ChoiceNode);
return ImmutableChoiceNodeBuilder.create((ChoiceNode) original);
}
-}
\ No newline at end of file
+
+ @Override
+ void verifyStructure(final NormalizedNode<?, ?> writtenValue, final boolean verifyChildren) {
+ if(verifyChildrenStructure() && verifyChildren) {
+ enforceCases(writtenValue);
+ }
+ super.verifyStructure(writtenValue, verifyChildren);
+ }
+
+ private void enforceCases(final TreeNode tree) {
+ enforceCases(tree.getData());
+ }
+
+ private void enforceCases(final NormalizedNode<?, ?> normalizedNode) {
+ Verify.verify(normalizedNode instanceof ChoiceNode);
+ final Collection<DataContainerChild<?, ?>> children = ((ChoiceNode) normalizedNode).getValue();
+ if (!children.isEmpty()) {
+ final DataContainerChild<?, ?> firstChild = children.iterator().next();
+ final CaseEnforcer enforcer = caseEnforcers.get(firstChild.getIdentifier());
+ Verify.verifyNotNull(enforcer, "Case enforcer cannot be null. Most probably, child node %s of choice node %s does not belong in current tree type.", firstChild.getIdentifier(), normalizedNode.getIdentifier());
+
+ // Make sure no leaves from other cases are present
+ for (CaseEnforcer other : exclusions.get(enforcer)) {
+ for (NodeIdentifier id : other.getChildIdentifiers()) {
+ final Optional<NormalizedNode<?, ?>> maybeChild = NormalizedNodes.getDirectChild(normalizedNode, id);
+ Preconditions.checkArgument(!maybeChild.isPresent(),
+ "Child %s (from case %s) implies non-presence of child %s (from case %s), which is %s",
+ firstChild.getIdentifier(), enforcer, id, other, maybeChild.orNull());
+ }
+ }
+
+ // Make sure all mandatory children are present
+ enforcer.enforceOnTreeNode(normalizedNode);
+ }
+ }
+
+ @Override
+ protected TreeNode applyMerge(final ModifiedNode modification, final TreeNode currentMeta, final Version version) {
+ final TreeNode ret = super.applyMerge(modification, currentMeta, version);
+ enforceCases(ret);
+ return ret;
+ }
+
+ @Override
+ protected TreeNode applyWrite(final ModifiedNode modification, final Optional<TreeNode> currentMeta,
+ final Version version) {
+ final TreeNode ret = super.applyWrite(modification, currentMeta, version);
+ enforceCases(ret);
+ return ret;
+ }
+
+ @Override
+ protected TreeNode applyTouch(final ModifiedNode modification, final TreeNode currentMeta, final Version version) {
+ final TreeNode ret = super.applyTouch(modification, currentMeta, version);
+ enforceCases(ret);
+ return ret;
+ }
+}