*/
package org.opendaylight.yangtools.yang.data.impl.schema.tree;
+import com.google.common.base.Preconditions;
+import org.kohsuke.MetaInfServices;
+import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
+import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
+import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifierWithPredicates;
+import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
+import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNodeContainer;
+import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTree;
+import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeCandidate;
+import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeConfiguration;
import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeFactory;
-import org.opendaylight.yangtools.yang.data.api.schema.tree.TipProducingDataTree;
+import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeModification;
+import org.opendaylight.yangtools.yang.data.api.schema.tree.DataValidationFailedException;
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.data.impl.schema.ImmutableNodes;
+import org.opendaylight.yangtools.yang.data.impl.schema.builder.impl.ImmutableContainerNodeBuilder;
+import org.opendaylight.yangtools.yang.data.util.DataSchemaContextNode;
+import org.opendaylight.yangtools.yang.data.util.DataSchemaContextTree;
+import org.opendaylight.yangtools.yang.model.api.ContainerSchemaNode;
+import org.opendaylight.yangtools.yang.model.api.DataNodeContainer;
+import org.opendaylight.yangtools.yang.model.api.DataSchemaNode;
+import org.opendaylight.yangtools.yang.model.api.ListSchemaNode;
import org.opendaylight.yangtools.yang.model.api.SchemaContext;
/**
* A factory for creating in-memory data trees.
*/
+@MetaInfServices
public final class InMemoryDataTreeFactory implements DataTreeFactory {
- private static final InMemoryDataTreeFactory INSTANCE = new InMemoryDataTreeFactory();
- private final NormalizedNode<?, ?> root = ImmutableNodes.containerNode(SchemaContext.NAME);
+ private static final NormalizedNode<?, ?> ROOT_CONTAINER = ImmutableNodes.containerNode(SchemaContext.NAME);
- private InMemoryDataTreeFactory() {
- // Never instantiated externally
+ @Override
+ public DataTree create(final DataTreeConfiguration treeConfig) {
+ return new InMemoryDataTree(TreeNodeFactory.createTreeNode(createRoot(treeConfig.getRootPath()),
+ Version.initial()), treeConfig, null);
+ }
+
+ @Override
+ public DataTree create(final DataTreeConfiguration treeConfig, final SchemaContext initialSchemaContext) {
+ return create(treeConfig, initialSchemaContext, true);
}
@Override
- public TipProducingDataTree create() {
- return new InMemoryDataTree(TreeNodeFactory.createTreeNode(root, Version.initial()), null);
+ public DataTree create(final DataTreeConfiguration treeConfig, final SchemaContext initialSchemaContext,
+ final NormalizedNodeContainer<?, ?, ?> initialRoot) throws DataValidationFailedException {
+ final DataTree ret = create(treeConfig, initialSchemaContext, false);
+
+ final DataTreeModification mod = ret.takeSnapshot().newModification();
+ mod.write(YangInstanceIdentifier.EMPTY, initialRoot);
+ mod.ready();
+
+ ret.validate(mod);
+ final DataTreeCandidate candidate = ret.prepare(mod);
+ ret.commit(candidate);
+ return ret;
+ }
+
+ private static DataTree create(final DataTreeConfiguration treeConfig, final SchemaContext initialSchemaContext,
+ final boolean maskMandatory) {
+ final DataSchemaNode rootSchemaNode = getRootSchemaNode(initialSchemaContext, treeConfig.getRootPath());
+ final NormalizedNode<?, ?> rootDataNode = createRoot((DataNodeContainer)rootSchemaNode,
+ treeConfig.getRootPath());
+ return new InMemoryDataTree(TreeNodeFactory.createTreeNode(rootDataNode, Version.initial()), treeConfig,
+ initialSchemaContext, rootSchemaNode, maskMandatory);
}
- /**
- * Get an instance of this factory. This method cannot fail.
- *
- * @return Data tree factory instance.
- */
- public static InMemoryDataTreeFactory getInstance() {
- return INSTANCE;
+ private static DataSchemaNode getRootSchemaNode(final SchemaContext schemaContext,
+ final YangInstanceIdentifier rootPath) {
+ final DataSchemaContextTree contextTree = DataSchemaContextTree.from(schemaContext);
+ final DataSchemaContextNode<?> rootContextNode = contextTree.getChild(rootPath);
+ Preconditions.checkArgument(rootContextNode != null, "Failed to find root %s in schema context", rootPath);
+
+ final DataSchemaNode rootSchemaNode = rootContextNode.getDataSchemaNode();
+ Preconditions.checkArgument(rootSchemaNode instanceof DataNodeContainer,
+ "Root %s resolves to non-container type %s", rootPath, rootSchemaNode);
+ return rootSchemaNode;
+ }
+
+ private static NormalizedNode<?, ?> createRoot(final DataNodeContainer schemaNode,
+ final YangInstanceIdentifier path) {
+ if (path.isEmpty()) {
+ Preconditions.checkArgument(schemaNode instanceof ContainerSchemaNode,
+ "Conceptual tree root has to be a container, not %s", schemaNode);
+ return ROOT_CONTAINER;
+ }
+
+ final PathArgument arg = path.getLastPathArgument();
+ if (schemaNode instanceof ContainerSchemaNode) {
+ Preconditions.checkArgument(arg instanceof NodeIdentifier, "Mismatched container %s path %s", schemaNode,
+ path);
+ return ImmutableContainerNodeBuilder.create().withNodeIdentifier((NodeIdentifier) arg).build();
+ } else if (schemaNode instanceof ListSchemaNode) {
+ // This can either be a top-level list or its individual entry
+ if (arg instanceof NodeIdentifierWithPredicates) {
+ return ImmutableNodes.mapEntryBuilder().withNodeIdentifier((NodeIdentifierWithPredicates) arg).build();
+ }
+ Preconditions.checkArgument(arg instanceof NodeIdentifier, "Mismatched list %s path %s", schemaNode, path);
+ return ImmutableNodes.mapNodeBuilder().withNodeIdentifier((NodeIdentifier) arg).build();
+ } else {
+ throw new IllegalArgumentException("Unsupported root schema " + schemaNode);
+ }
+ }
+
+ private static NormalizedNode<?, ?> createRoot(final YangInstanceIdentifier path) {
+ if (path.isEmpty()) {
+ return ROOT_CONTAINER;
+ }
+
+ final PathArgument arg = path.getLastPathArgument();
+ if (arg instanceof NodeIdentifier) {
+ return ImmutableContainerNodeBuilder.create().withNodeIdentifier((NodeIdentifier) arg).build();
+ }
+ if (arg instanceof NodeIdentifierWithPredicates) {
+ return ImmutableNodes.mapEntryBuilder().withNodeIdentifier((NodeIdentifierWithPredicates) arg).build();
+ }
+
+ // FIXME: implement augmentations and leaf-lists
+ throw new IllegalArgumentException("Unsupported root node " + arg);
}
}