Ejemplo n.º 1
0
  /*
   * This method is synchronized to guard against user attempting to install
   * multiple contexts. Otherwise it runs in a lock-free manner.
   */
  @Override
  public synchronized void setSchemaContext(final SchemaContext newSchemaContext) {
    Preconditions.checkNotNull(newSchemaContext);

    LOG.debug("Following schema contexts will be attempted {}", newSchemaContext);

    final DataSchemaContextTree contextTree = DataSchemaContextTree.from(newSchemaContext);
    final DataSchemaContextNode<?> rootContextNode = contextTree.getChild(rootPath);
    if (rootContextNode == null) {
      LOG.debug("Could not find root {} in new schema context, not upgrading", rootPath);
      return;
    }

    final DataSchemaNode rootSchemaNode = rootContextNode.getDataSchemaNode();
    if (!(rootSchemaNode instanceof DataNodeContainer)) {
      LOG.warn(
          "Root {} resolves to non-container type {}, not upgrading", rootPath, rootSchemaNode);
      return;
    }

    final ModificationApplyOperation rootNode;
    if (rootSchemaNode instanceof ContainerSchemaNode) {
      // FIXME: real root needs to enfore presence, but that require pre-population
      rootNode = new ContainerModificationStrategy((ContainerSchemaNode) rootSchemaNode, treeType);
    } else {
      rootNode = SchemaAwareApplyOperation.from(rootSchemaNode, treeType);
    }

    DataTreeState currentState, newState;
    do {
      currentState = state;
      newState = currentState.withSchemaContext(newSchemaContext, rootNode);
    } while (!STATE_UPDATER.compareAndSet(this, currentState, newState));
  }
 JSONStringInstanceIdentifierCodec(
     final SchemaContext context, final JSONCodecFactory jsonCodecFactory) {
   this.context = Preconditions.checkNotNull(context);
   this.dataContextTree = DataSchemaContextTree.from(context);
   this.codecFactory = Preconditions.checkNotNull(jsonCodecFactory);
 }
 ElementInstanceIdentifierParser(final SchemaContext schema, final Element element) {
   this.element = Preconditions.checkNotNull(element);
   this.schema = Preconditions.checkNotNull(schema);
   this.dataContextTree = DataSchemaContextTree.from(schema);
 }