+/*
+ * Copyright (c) 2014 Cisco Systems, Inc. and others. All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
package org.opendaylight.yangtools.yang.data.impl.schema.tree;
+import static com.google.common.base.Preconditions.checkArgument;
+import java.util.Optional;
+import javax.inject.Inject;
+import javax.inject.Singleton;
+import org.eclipse.jdt.annotation.NonNull;
+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.spi.TreeNodeFactory;
import org.opendaylight.yangtools.yang.data.api.schema.tree.spi.Version;
-import org.opendaylight.yangtools.yang.data.impl.schema.Builders;
+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.ContainerLike;
+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.EffectiveModelContext;
+import org.opendaylight.yangtools.yang.model.api.ListSchemaNode;
import org.opendaylight.yangtools.yang.model.api.SchemaContext;
+import org.osgi.service.component.annotations.Activate;
+import org.osgi.service.component.annotations.Component;
+import org.osgi.service.component.annotations.Deactivate;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
/**
* A factory for creating in-memory data trees.
*/
+@MetaInfServices
+@Singleton
+@Component(immediate = true)
public final class InMemoryDataTreeFactory implements DataTreeFactory {
- private static final InMemoryDataTreeFactory INSTANCE = new InMemoryDataTreeFactory();
+ private static final Logger LOG = LoggerFactory.getLogger(InMemoryDataTreeFactory.class);
+ // FIXME: YANGTOOLS-1074: we do not want this name
+ private static final @NonNull NormalizedNode<?, ?> ROOT_CONTAINER =
+ ImmutableNodes.containerNode(SchemaContext.NAME);
+
+ @Inject
+ public InMemoryDataTreeFactory() {
+ // Exposed for DI
+ }
- 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 InMemoryDataTree create() {
- final NodeIdentifier root = new NodeIdentifier(SchemaContext.NAME);
- final NormalizedNode<?, ?> data = Builders.containerBuilder().withNodeIdentifier(root).build();
+ public DataTree create(final DataTreeConfiguration treeConfig, final EffectiveModelContext initialSchemaContext) {
+ return createDataTree(treeConfig, initialSchemaContext, true);
+ }
+
+ @Override
+ public DataTree create(final DataTreeConfiguration treeConfig, final EffectiveModelContext initialSchemaContext,
+ final NormalizedNodeContainer<?, ?, ?> initialRoot) throws DataValidationFailedException {
+ final DataTree ret = createDataTree(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;
+ }
+
+ @Activate
+ @SuppressWarnings("static-method")
+ void activate() {
+ LOG.info("In-memory Data Tree activated");
+ }
+
+ @Deactivate
+ @SuppressWarnings("static-method")
+ void deactivate() {
+ LOG.info("In-memory Data Tree deactivated");
+ }
+
+ private static @NonNull DataTree createDataTree(final DataTreeConfiguration treeConfig,
+ final EffectiveModelContext 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);
+ }
+
+ private static @NonNull NormalizedNode<?, ?> createRoot(final DataNodeContainer schemaNode,
+ final YangInstanceIdentifier path) {
+ if (path.isEmpty()) {
+ checkArgument(schemaNode instanceof ContainerLike,
+ "Conceptual tree root has to be a container, not %s", schemaNode);
+ return ROOT_CONTAINER;
+ }
- return new InMemoryDataTree(TreeNodeFactory.createTreeNodeRecursively(data, Version.initial()), null);
+ final PathArgument arg = path.getLastPathArgument();
+ if (schemaNode instanceof ContainerSchemaNode) {
+ 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();
+ }
+ 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);
+ }
}
- /**
- * Get an instance of this factory. This method cannot fail.
- *
- * @return Data tree factory instance.
- */
- public static final InMemoryDataTreeFactory getInstance() {
- return INSTANCE;
+ private static @NonNull 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);
+ }
+
+ private static DataSchemaNode getRootSchemaNode(final EffectiveModelContext schemaContext,
+ final YangInstanceIdentifier rootPath) {
+ final DataSchemaContextTree contextTree = DataSchemaContextTree.from(schemaContext);
+ final Optional<DataSchemaContextNode<?>> rootContextNode = contextTree.findChild(rootPath);
+ checkArgument(rootContextNode.isPresent(), "Failed to find root %s in schema context", rootPath);
+
+ final DataSchemaNode rootSchemaNode = rootContextNode.get().getDataSchemaNode();
+ checkArgument(rootSchemaNode instanceof DataNodeContainer, "Root %s resolves to non-container type %s",
+ rootPath, rootSchemaNode);
+ return rootSchemaNode;
}
}
Code Review / yangtools.git / blobdiff