*/
package org.opendaylight.yangtools.yang.data.impl.schema.tree;
-import com.google.common.base.Preconditions;
+import static com.google.common.base.Preconditions.checkArgument;
+
+import java.util.Optional;
+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.DataTreeModification;
import org.opendaylight.yangtools.yang.data.api.schema.tree.DataValidationFailedException;
-import org.opendaylight.yangtools.yang.data.api.schema.tree.TipProducingDataTree;
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;
/**
* A factory for creating in-memory data trees.
*/
+@MetaInfServices
public final class InMemoryDataTreeFactory implements DataTreeFactory {
- private static final InMemoryDataTreeFactory INSTANCE = new InMemoryDataTreeFactory();
private static final NormalizedNode<?, ?> ROOT_CONTAINER = ImmutableNodes.containerNode(SchemaContext.NAME);
- private InMemoryDataTreeFactory() {
- // Never instantiated externally
- }
-
@Override
- public TipProducingDataTree create(final DataTreeConfiguration treeConfig) {
+ public DataTree create(final DataTreeConfiguration treeConfig) {
return new InMemoryDataTree(TreeNodeFactory.createTreeNode(createRoot(treeConfig.getRootPath()),
Version.initial()), treeConfig, null);
}
@Override
- public TipProducingDataTree create(final DataTreeConfiguration treeConfig,
- final SchemaContext initialSchemaContext) {
+ public DataTree create(final DataTreeConfiguration treeConfig, final SchemaContext initialSchemaContext) {
return create(treeConfig, initialSchemaContext, true);
}
@Override
- public TipProducingDataTree create(final DataTreeConfiguration treeConfig, final SchemaContext initialSchemaContext,
+ public DataTree create(final DataTreeConfiguration treeConfig, final SchemaContext initialSchemaContext,
final NormalizedNodeContainer<?, ?, ?> initialRoot) throws DataValidationFailedException {
- final TipProducingDataTree ret = create(treeConfig, initialSchemaContext, false);
+ final DataTree ret = create(treeConfig, initialSchemaContext, false);
final DataTreeModification mod = ret.takeSnapshot().newModification();
- mod.write(YangInstanceIdentifier.EMPTY, initialRoot);
+ mod.write(YangInstanceIdentifier.empty(), initialRoot);
mod.ready();
ret.validate(mod);
return ret;
}
- private static TipProducingDataTree create(final DataTreeConfiguration treeConfig,
- final SchemaContext initialSchemaContext, final boolean maskMandatory) {
+ 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());
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 Optional<DataSchemaContextNode<?>> rootContextNode = contextTree.findChild(rootPath);
+ checkArgument(rootContextNode.isPresent(), "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);
+ final DataSchemaNode rootSchemaNode = rootContextNode.get().getDataSchemaNode();
+ 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,
+ 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);
+ 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);
+ 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);
// FIXME: implement augmentations and leaf-lists
throw new IllegalArgumentException("Unsupported root node " + arg);
}
-
- /**
- * Get an instance of this factory. This method cannot fail.
- *
- * @return Data tree factory instance.
- */
- public static InMemoryDataTreeFactory getInstance() {
- return INSTANCE;
- }
}