+++ /dev/null
-/*
- * 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.DistinctNodeContainer;
-import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
-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.impl.schema.ImmutableNodes;
-import org.opendaylight.yangtools.yang.data.impl.schema.builder.impl.ImmutableContainerNodeBuilder;
-import org.opendaylight.yangtools.yang.data.spi.tree.TreeNodeFactory;
-import org.opendaylight.yangtools.yang.data.spi.tree.Version;
-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 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
- }
-
- @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 EffectiveModelContext initialSchemaContext) {
- return createDataTree(treeConfig, initialSchemaContext, true);
- }
-
- @Override
- public DataTree create(final DataTreeConfiguration treeConfig, final EffectiveModelContext initialSchemaContext,
- final DistinctNodeContainer<?, ?> 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;
- }
-
- 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);
- }
- }
-
- 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