/// <summary>
/// Traverses node types starting from nodeTypeNameToStart, then to its requirements nodes types and so on
/// </summary>
/// <param name="nodeTypeNameToStart">Name of a node type to start the traversal</param>
/// <param name="action">Action to be executed on each node type when visiting a node type</param>
/// <exception cref="ToscaNodeTypeNotFoundException">Thrown when nodeTypeNameToStart is not found in NodeTypes dictionary.</exception>
public void TraverseNodeTypesByRequirements(string nodeTypeNameToStart, Action <string, ToscaNodeType> action)
{
if (!NodeTypes.ContainsKey(nodeTypeNameToStart))
{
throw new ToscaNodeTypeNotFoundException(string.Format("Node type '{0}' not found", nodeTypeNameToStart));
}
var serviceArchiveWalker = new ToscaNodeTypeRequirementsGraph(this);
serviceArchiveWalker.Walk(nodeTypeNameToStart, action);
}
/// <summary>
/// Implements Validate method from <see cref="IValidatableObject" /> interface
/// </summary>
/// <param name="validationContext">Context the validation runs in</param>
/// <returns>List of validation results if any</returns>
IEnumerable <ValidationResult> IValidatableObject.Validate(ValidationContext validationContext)
{
var validationResults = new List <ValidationResult>();
foreach (var nodeTypeKeyValue in NodeTypes)
{
nodeTypeKeyValue.Value.SetDerivedFromToRoot(nodeTypeKeyValue.Key);
foreach (var requirementKeyValue in nodeTypeKeyValue.Value.Requirements.SelectMany(r => r).ToArray())
{
if (!string.IsNullOrEmpty(requirementKeyValue.Value.Node) &&
!NodeTypes.ContainsKey(requirementKeyValue.Value.Node))
{
validationResults.Add(CreateRequirementValidationResult(requirementKeyValue, nodeTypeKeyValue));
}
}
foreach (var capabilityKeyValue in nodeTypeKeyValue.Value.Capabilities)
{
if (!CapabilityTypes.ContainsKey(capabilityKeyValue.Value.Type))
{
validationResults.Add(CreateCapabilityTypeValidationResult(nodeTypeKeyValue.Key,
capabilityKeyValue.Value.Type, capabilityKeyValue.Key));
}
}
foreach (var complexDataTypeKeyValue in DataTypes)
{
foreach (var basicDatatypeKeyValue in complexDataTypeKeyValue.Value.Properties)
{
var basicType = basicDatatypeKeyValue.Value.Type;
if (!DataTypes.ContainsKey(basicType))
{
validationResults.Add(new ValidationResult(
string.Format("Data type '{0}' specified as part of data type '{1}' not found.",
basicType,
complexDataTypeKeyValue.Key)));
}
}
}
var circularDependencyValidationResults = nodeTypeKeyValue.Value.ValidateCircularDependency().ToList();
if (circularDependencyValidationResults.Any())
{
return(validationResults.Concat(circularDependencyValidationResults));
}
}
var importCircularValidationResults = ValidateImportsCircularDependency();
if (importCircularValidationResults.Any())
{
return(validationResults.Concat(importCircularValidationResults));
}
if (!validationResults.Any())
{
var requirementsGraph = new ToscaNodeTypeRequirementsGraph(this);
if (requirementsGraph.ContainsCyclicLoop())
{
validationResults.Add(new ValidationResult("Circular dependency detected by requirements on node type"));
}
}
return(validationResults);
}