package org.opendaylight.yangtools.yang.data.impl.schema.tree;
import static com.google.common.base.Preconditions.checkArgument;
-import com.google.common.base.Optional;
-import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
+import static java.util.Objects.requireNonNull;
+
+import com.google.common.base.MoreObjects.ToStringHelper;
+import java.util.Optional;
+import org.eclipse.jdt.annotation.NonNull;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
-import org.opendaylight.yangtools.yang.data.api.schema.LeafNode;
-import org.opendaylight.yangtools.yang.data.api.schema.LeafSetEntryNode;
import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
import org.opendaylight.yangtools.yang.data.api.schema.tree.IncorrectDataStructureException;
import org.opendaylight.yangtools.yang.data.api.schema.tree.ModificationType;
import org.opendaylight.yangtools.yang.data.api.schema.tree.spi.TreeNodeFactory;
import org.opendaylight.yangtools.yang.data.api.schema.tree.spi.Version;
import org.opendaylight.yangtools.yang.model.api.DataSchemaNode;
-import org.opendaylight.yangtools.yang.model.api.LeafListSchemaNode;
-import org.opendaylight.yangtools.yang.model.api.LeafSchemaNode;
-abstract class ValueNodeModificationStrategy<T extends DataSchemaNode> extends SchemaAwareApplyOperation {
+final class ValueNodeModificationStrategy<T extends DataSchemaNode, V extends NormalizedNode>
+ extends SchemaAwareApplyOperation<T> {
+ private final @NonNull Class<V> nodeClass;
+ private final @NonNull T schema;
- private final T schema;
- private final Class<? extends NormalizedNode<?, ?>> nodeClass;
+ ValueNodeModificationStrategy(final Class<V> nodeClass, final T schema) {
+ this.nodeClass = requireNonNull(nodeClass);
+ this.schema = requireNonNull(schema);
+ }
- protected ValueNodeModificationStrategy(final T schema, final Class<? extends NormalizedNode<?, ?>> nodeClass) {
- super();
- this.schema = schema;
- this.nodeClass = nodeClass;
+ @Override
+ T getSchema() {
+ return schema;
}
@Override
- protected void verifyWrittenStructure(final NormalizedNode<?, ?> writtenValue) {
- checkArgument(nodeClass.isInstance(writtenValue), "Node should must be of type %s", nodeClass);
+ public ModificationApplyOperation childByArg(final PathArgument arg) {
+ throw new UnsupportedOperationException("Node " + schema + " is leaf type node. Child nodes not allowed");
}
@Override
- public Optional<ModificationApplyOperation> getChild(final PathArgument child) {
- throw new UnsupportedOperationException("Node " + schema.getPath()
- + "is leaf type node. Child nodes not allowed");
+ protected ChildTrackingPolicy getChildPolicy() {
+ return ChildTrackingPolicy.NONE;
}
@Override
- protected TreeNode applySubtreeChange(final ModifiedNode modification,
- final TreeNode currentMeta, final Version version) {
- throw new UnsupportedOperationException("Node " + schema.getPath()
- + "is leaf type node. Subtree change is not allowed.");
+ protected TreeNode applyTouch(final ModifiedNode modification, final TreeNode currentMeta,
+ final Version version) {
+ throw new UnsupportedOperationException("Node " + schema + " is leaf type node. "
+ + " Subtree change is not allowed.");
}
@Override
protected TreeNode applyMerge(final ModifiedNode modification, final TreeNode currentMeta,
final Version version) {
- // Just overwrite whatever was there
+ // Just overwrite whatever was there, but be sure to run validation
+ final NormalizedNode newValue = modification.getWrittenValue();
+ verifyWrittenValue(newValue);
modification.resolveModificationType(ModificationType.WRITE);
- return applyWrite(modification, null, version);
+ return applyWrite(modification, newValue, null, version);
}
@Override
- protected TreeNode applyWrite(final ModifiedNode modification,
- final Optional<TreeNode> currentMeta, final Version version) {
- return TreeNodeFactory.createTreeNodeRecursively(modification.getWrittenValue(), version);
+ protected TreeNode applyWrite(final ModifiedNode modification, final NormalizedNode newValue,
+ final Optional<? extends TreeNode> currentMeta, final Version version) {
+ return TreeNodeFactory.createTreeNode(newValue, version);
}
@Override
- protected void checkSubtreeModificationApplicable(final YangInstanceIdentifier path, final NodeModification modification,
- final Optional<TreeNode> current) throws IncorrectDataStructureException {
- throw new IncorrectDataStructureException(path, "Subtree modification is not allowed.");
+ protected void checkTouchApplicable(final ModificationPath path, final NodeModification modification,
+ final Optional<? extends TreeNode> current, final Version version) throws IncorrectDataStructureException {
+ throw new IncorrectDataStructureException(path.toInstanceIdentifier(), "Subtree modification is not allowed.");
}
- public static class LeafSetEntryModificationStrategy extends ValueNodeModificationStrategy<LeafListSchemaNode> {
- @SuppressWarnings({ "unchecked", "rawtypes" })
- protected LeafSetEntryModificationStrategy(final LeafListSchemaNode schema) {
- super(schema, (Class) LeafSetEntryNode.class);
+ @Override
+ void mergeIntoModifiedNode(final ModifiedNode node, final NormalizedNode value, final Version version) {
+ switch (node.getOperation()) {
+ // Delete performs a data dependency check on existence of the node. Performing a merge
+ // on DELETE means we
+ // are really performing a write.
+ case DELETE:
+ case WRITE:
+ node.write(value);
+ break;
+ default:
+ node.updateValue(LogicalOperation.MERGE, value);
}
}
- public static class LeafModificationStrategy extends ValueNodeModificationStrategy<LeafSchemaNode> {
- @SuppressWarnings({ "unchecked", "rawtypes" })
- protected LeafModificationStrategy(final LeafSchemaNode schema) {
- super(schema, (Class) LeafNode.class);
- }
+ @Override
+ void verifyValue(final NormalizedNode writtenValue) {
+ verifyWrittenValue(writtenValue);
+ }
+
+ @Override
+ void recursivelyVerifyStructure(final NormalizedNode value) {
+ verifyWrittenValue(value);
+ }
+
+ @Override
+ ToStringHelper addToStringAttributes(final ToStringHelper helper) {
+ return helper.add("value", nodeClass.getSimpleName());
+ }
+
+ private void verifyWrittenValue(final NormalizedNode value) {
+ checkArgument(nodeClass.isInstance(value), "Expected an instance of %s, have %s", nodeClass, value);
}
-}
\ No newline at end of file
+}