private CREFModel.ClinicalAssertion TranslateClinicalAssertion(TranslationContext context, Node node)
{
// node is expected to be an ActionGroup
// Action types determine the assertion to be created
// CreateAction - MissingDataAssertion
// UpdateAction - MissingDataAssertion
// MessageAction - OutOfRangeAssertion
// CollectInformationAction - MissingDataAssertion
// Any other action cannot be represented
var assertions = new List<CREFModel.ClinicalAssertion>();
var subElements = node.Children.FirstOrDefault(c => c.Name == "subElements");
if (subElements != null)
{
foreach (var element in subElements.Children)
{
if (element.Name == "simpleAction")
{
switch (element.NodeType.GetLocalName())
{
case "CreateAction" : assertions.Add(TranslateCreateAction(context, element)); break;
case "UpdateAction" : assertions.Add(TranslateUpdateAction(context, element)); break;
case "MessageAction" : assertions.Add(TranslateMessageAction(context, element)); break;
case "CollectInformationAction" : assertions.Add(TranslateCollectInformationAction(context, element)); break;
default: throw new NotSupportedException(String.Format("Translation of {0} actions is not supported.", element.NodeType.GetLocalName()));
}
}
else if (element.Name == "actionGroup")
{
assertions.Add(TranslateClinicalAssertion(context, element));
}
else if (element.Name == "actionGroupReference")
{
throw new NotSupportedException("Translation of action group references is not supported.");
}
}
}
if (assertions.Count > 1)
{
var compositeAssertion = new CREFModel.CompositeAssertion();
compositeAssertion.CompositionType = GetCompositionType(GetGroupSelectionBehavior(node));
var descriptionNode = node.Children.FirstOrDefault(c => c.Name == "Description");
if (descriptionNode != null)
{
compositeAssertion.Description = descriptionNode.GetAttribute<string>("value");
}
compositeAssertion.CompositeAssertionAssertions.AddRange(assertions);
return compositeAssertion;
}
return assertions[0];
}
private CREFModel.DynamicRuleDynamicRuleAssertion TranslateAssertion(TranslationContext context, Node node)
{
var result = new CREFModel.DynamicRuleDynamicRuleAssertion();
result.Item = TranslateClinicalAssertion(context, node);
return result;
}
public static Node ReadNode(XElement element)
{
var nodeName = element.Name.LocalName;
var nodeType = element.GetSchemaInfo().SchemaType;
Node result = null;
ASTNode astResult = null;
if (IsExpression(nodeType))
{
astResult = new ASTNode();
result = astResult;
}
else
{
result = new Node();
}
result.Name = nodeName;
result.NodeType = nodeType.QualifiedName.ToString();
var lineInfo = element as IXmlLineInfo;
if (lineInfo != null && lineInfo.HasLineInfo())
{
result.Line = lineInfo.LineNumber;
result.LinePos = lineInfo.LinePosition;
}
result.Attributes = new Dictionary<string, object>();
foreach (var a in element.Attributes())
{
var schemaInfo = a.GetSchemaInfo();
if (schemaInfo != null && schemaInfo.SchemaType != null && schemaInfo.SchemaType.QualifiedName != null && schemaInfo.SchemaType.QualifiedName.Name == "QName")
{
result.Attributes.Add(a.Name.LocalName, element.ExpandName(a.Value));
}
else
{
result.Attributes.Add(a.Name.LocalName, a.Value);
}
}
result.Children = new List<Node>();
foreach (var e in element.Elements())
{
if (e.Name.LocalName == "description" && astResult != null)
{
astResult.Description = e.Value;
}
else
{
result.Children.Add(ReadNode(e));
}
}
return result;
}
public void ReportMessage(Exception e, Node node)
{
var message = e as VerificationException;
if (message == null)
{
message = new VerificationException(node.FormatErrorMessage(e.Message), e);
}
_messages.Add(message);
}
private Symbol ProcessAliasedQuerySource(VerificationContext context, HeD.Engine.Model.Node source)
{
var sourceAlias = source.GetAttribute <String>("alias");
var sourceExpression = source.Children[0] as ASTNode;
if (sourceExpression == null)
{
throw new InvalidOperationException(String.Format("Could not determine source expression for alias '{0}'.", sourceAlias));
}
Verifier.Verify(context, sourceExpression);
return(new Symbol(sourceAlias, sourceExpression.ResultType));
}
private void VerifyExpressionNodes(VerificationContext context, Node node)
{
var astNode = node as ASTNode;
if (astNode != null)
{
Verifier.Verify(context, astNode);
}
else
{
foreach (var child in node.Children)
{
VerifyExpressionNodes(context, child);
}
}
}
private void TranslateBaseClinicalAssertion(TranslationContext context, Node node, CREFModel.ClinicalAssertion assertion)
{
var actionIdNode = node.Children.FirstOrDefault(c => c.Name == "actionId");
if (actionIdNode != null)
{
assertion.ID = actionIdNode.GetAttribute<string>("root") + ':' + actionIdNode.GetAttribute<string>("extension", "");
}
var textEquivalentNode = node.Children.FirstOrDefault(c => c.Name == "textEquivalent");
if (textEquivalentNode != null)
{
assertion.Description = textEquivalentNode.GetAttribute<string>("value");
}
}
private SQLModel.OrderClause TranslateSortClause(TranslationContext context, Node node)
{
throw new NotImplementedException();
}
private CREFModel.ClinicalAssertion TranslateMessageAction(TranslationContext context, Node node)
{
var result = new CREFModel.OutOfRangeAssertion();
TranslateBaseClinicalAssertion(context, node, result);
return result;
}
private Model.Expression TranslateRelationshipClause(TranslationContext context, Node relationship)
{
var relatedTableSpecifier = TranslateAliasedQuerySource(context, relationship);
var relatedConditionNode = (ASTNode)relationship.Children.Where(n => n.Name == "suchThat").Single();
var relatedCondition = (Model.Expression)context.TranslateNode(relatedConditionNode);
var relatedSelect = new SQLModel.SelectExpression();
relatedSelect.SelectClause = new SQLModel.SelectClause();
relatedSelect.SelectClause.NonProject = true;
relatedSelect.SelectClause.Distinct = false;
relatedSelect.FromClause = new SQLModel.CalculusFromClause(relatedTableSpecifier);
relatedSelect.WhereClause = new SQLModel.WhereClause(relatedCondition);
var relatedExists = new Model.UnaryExpression("iExists", relatedSelect);
if (relationship.NodeType.GetLocalName() == "Without")
{
return new Model.UnaryExpression("iNot", relatedExists);
}
else
{
return relatedExists;
}
}
private SQLModel.SelectClause TranslateReturnClause(TranslationContext context, Node returnClause)
{
var result = new SQLModel.SelectClause();
result.Distinct = returnClause.GetAttribute<Boolean>("distinct", true);
var expression = returnClause.Children.Single(n => n.Name == "expression");
if (expression.NodeType.GetLocalName() == "Tuple")
{
foreach (var element in expression.Children)
{
var column =
new SQLModel.ColumnExpression
(
(Model.Expression)context.TranslateNode((ASTNode)element.Children.Single(n => n.Name == "value")),
element.GetAttribute<String>("name")
);
}
}
return result;
}
private void VerifyResponseBindings(VerificationContext context, Node node, Dictionary<string, ParameterDef> containers)
{
// foreach action
// If DeclareResponseAction
// Create a parameter with that name
// If CollectInformationAction
// Create a property on the appropriate parameter with the correct type
// Name = responseBinding.property
// Type = responseCardinality = Single ? responseDataType : List<responseDataType>
try
{
switch (node.NodeType.GetLocalName())
{
case "DeclareResponseAction" :
{
var containerName = node.GetAttribute<string>("name");
var container = new ParameterDef { Name = containerName, ParameterType = new ObjectType(containerName + "Type", new List<PropertyDef> { }) };
containers.Add(container.Name, container);
}
break;
case "CollectInformationAction" :
{
var responseBinding = node.Children.FirstOrDefault(c => c.Name == "responseBinding");
if (responseBinding != null)
{
var containerName = responseBinding.GetAttribute<string>("container");
if (String.IsNullOrEmpty(containerName))
{
containerName = "Responses";
}
if (!containers.ContainsKey(containerName))
{
throw new InvalidOperationException(String.Format("Could not resolve response container name {0}.", containerName));
}
var container = containers[containerName];
var containerType = (ObjectType)container.ParameterType;
DataType responseType = null;
var responseName = responseBinding.GetAttribute<string>("property");
var documentationConcept = node.Children.FirstOrDefault(c => c.Name == "documentationConcept");
if (documentationConcept != null)
{
var responseDataType = documentationConcept.Children.FirstOrDefault(c => c.Name == "responseDataType");
if (responseDataType != null)
{
responseType = context.ResolveType(responseDataType.GetAttribute<string>("value"));
}
else
{
responseType = DataTypes.String;
}
var responseCardinality = documentationConcept.Children.FirstOrDefault(c => c.Name == "responseCardinality");
if (responseCardinality != null)
{
if (responseCardinality.GetAttribute<string>("value") == "Multiple")
{
responseType = new ListType(responseType);
}
}
}
if (responseType == null)
{
responseType = DataTypes.String;
}
if (containerType.Properties.FirstOrDefault(pd => pd.Name == responseName) != null)
{
throw new InvalidOperationException(String.Format("The response container {0} already has a response named {1}.", container.Name, responseName));
}
containerType.Properties.Add(new PropertyDef(responseName, responseType));
}
}
break;
}
}
catch (Exception e)
{
context.ReportMessage(e, node);
}
foreach (var child in node.Children)
{
VerifyResponseBindings(context, child, containers);
}
}
private SQLModel.TableSpecifier TranslateAliasedQuerySource(TranslationContext context, Node source)
{
var expression = (ASTNode)source.Children.Where(n => n.Name == "expression").Single();
var alias = source.GetAttribute<String>("alias");
var sqlContext = (SQLTranslationContext)context;
sqlContext.PushQueryContext();
try
{
return new SQLModel.TableSpecifier(SQLTranslationUtilities.EnsureExpression(context.TranslateNode(expression)), alias);
}
finally
{
sqlContext.PopQueryContext();
}
}
private void TranslateActionSentence(TranslationContext context, Node node, CREFModel.MissingDataAssertion result)
{
// If we assert that the source artifact can only use specific types of expressions, and that the expressions must be literal (evaluable at compile-time)
// then we can translate the basic aspects of the assertion, code, code system, and severity.
var proposalExpression = node.Children.FirstOrDefault(c => c.Name == "actionSentence") as ASTNode;
if (proposalExpression != null)
{
switch (proposalExpression.ResultType.Name)
{
case "SubstanceAdministrationProposal" :
case "SubstanceAdministrationEvent" :
{
var substanceCode = ((Node)proposalExpression).Children.FirstOrDefault(c => c.Name == "property" && c.Attributes.ContainsKey("name") && c.GetAttribute<string>("name") == "substance.substanceCode");
if (substanceCode != null)
{
var codeValue = substanceCode.Children.FirstOrDefault(c => c.Name == "value" && c.NodeType.GetLocalName() == "CodeLiteral");
if (codeValue != null)
{
result.Code = codeValue.GetAttribute<string>("code");
result.CodeSet = codeValue.GetAttribute<string>("codeSystem");
}
}
}
break;
}
}
}
private CREFModel.ClinicalAssertion TranslateCollectInformationAction(TranslationContext context, Node node)
{
var result = new CREFModel.MissingDataAssertion();
TranslateBaseClinicalAssertion(context, node, result);
var documentationConcept = node.Children.FirstOrDefault(c => c.Name == "documentationConcept");
if (documentationConcept != null)
{
var itemCodes = documentationConcept.Children.FirstOrDefault(c => c.Name == "itemCodes");
if (itemCodes != null)
{
var itemCode = itemCodes.Children.FirstOrDefault(c => c.Name == "itemCode");
if (itemCode != null)
{
result.Code = itemCode.GetAttribute<string>("code");
result.CodeSet = itemCode.GetAttribute<string>("codeSystemName");
}
}
}
return result;
}
private CREFModel.ClinicalAssertion TranslateCreateAction(TranslationContext context, Node node)
{
var result = new CREFModel.MissingDataAssertion();
TranslateBaseClinicalAssertion(context, node, result);
// TODO: Translate the action sentence
// In general, this will be extremely difficult because it involves figuring out what object type and code
// is created as part of the resulting guidance, and then using that to set the code on the recommendation.
// However, it is possible in HeD to actually set the code based on data provided as part of the evaluation.
// In this case, it is not possible to determine the code to be returned. Manual translation would have to
// be performed in that case.
// Another option for translation is to evaluate the action and then just read the code from the appropriate
// property on the resulting object.
TranslateActionSentence(context, node, result);
return result;
}
private CREFModel.ClinicalAssertion TranslateUpdateAction(TranslationContext context, Node node)
{
var result = new CREFModel.MissingDataAssertion();
TranslateBaseClinicalAssertion(context, node, result);
// TODO: Translate the action sentence
// See the related comment in TranslateCreateAction
TranslateActionSentence(context, node, result);
return result;
}
private string GetGroupSelectionBehavior(Node node)
{
var behaviorsNode = node.Children.FirstOrDefault(c => c.Name == "behaviors");
if (behaviorsNode != null)
{
var behaviorNode = node.Children.FirstOrDefault(c => c.Name == "behavior" && c.NodeType.GetLocalName() == "GroupSelectionBehavior");
if (behaviorNode != null)
{
return node.GetAttribute<string>("value");
}
}
return "All";
}