/// <summary>
/// Creates a graph node.
/// </summary>
/// <param name="rootObject">The root object.</param>
/// <returns></returns>
/// <exception cref="System.ArgumentException">@The given type does not match the given object.;rootObject</exception>
private IGraphNode CreateNode(object rootObject)
{
if (rootObject == null)
{
throw new ArgumentNullException(nameof(rootObject));
}
Guid guid = Guid.NewGuid();
// Retrieve results
if (guidContainer != null && !rootObject.GetType().IsValueType)
{
guid = guidContainer.GetOrCreateGuid(rootObject);
}
var result = (GraphNode)NodeBuilder.Build(rootObject, guid);
if (result != null)
{
// Register reference objects
nodesByGuid.Add(result.Guid, result);
// Create or update nodes of referenced objects
UpdateReferences(result);
}
return(result);
}
/// <summary>
/// Creates the model node.
/// </summary>
/// <param name="rootObject">The root object.</param>
/// <param name="type">The type.</param>
/// <param name="referencer">The referencer (optional, just here to help having some context when building nodes).</param>
/// <returns></returns>
/// <exception cref="System.ArgumentException">@The given type does not match the given object.;rootObject</exception>
private IModelNode CreateModelNode(object rootObject, Type type, IModelNode referencer)
{
if (rootObject != null && !type.IsInstanceOfType(rootObject))
{
throw new ArgumentException(@"The given type does not match the given object.", "rootObject");
}
Guid guid = Guid.NewGuid();
// Retrieve results
if (guidContainer != null && rootObject != null && !rootObject.GetType().IsValueType)
{
guid = guidContainer.GetOrCreateGuid(rootObject);
}
var result = (ModelNode)NodeBuilder.Build(referencer, rootObject, type, guid);
if (result != null)
{
// Register reference objects
modelsByGuid.Add(result.Guid, result);
// Create or update model for referenced objects
UpdateReferences(result);
}
return(result);
}
/// <summary>
/// Gets the node associated to a data object, if it exists, otherwise creates a new node for the object and its member recursively.
/// </summary>
/// <param name="rootObject">The data object.</param>
/// <param name="nodeFactory">The factory to use to create nodes.</param>
/// <returns>The <see cref="IGraphNode"/> associated to the given object.</returns>
internal IGraphNode GetOrCreateNodeInternal(object rootObject, NodeFactoryDelegate nodeFactory)
{
if (nodeFactory == null)
{
throw new ArgumentNullException(nameof(nodeFactory));
}
if (rootObject == null)
{
return(null);
}
lock (lockObject)
{
IGraphNode result;
if (!rootObject.GetType().IsValueType)
{
result = GetNodeInternal(rootObject);
if (result != null)
{
return(result);
}
}
var guid = !rootObject.GetType().IsValueType ? guidContainer.GetOrCreateGuid(rootObject) : Guid.NewGuid();
result = NodeBuilder.Build(rootObject, guid, nodeFactory);
if (result != null)
{
// Register reference objects
nodesByGuid.Add(result.Guid, result);
// Create or update nodes of referenced objects
UpdateReferencesInternal(result);
}
return(result);
}
}