private QueryModelReference ComputeMemberModelReference(MemberExpression member)
{
QueryModelReference modelReference = null;
var memberExp = member.Expression;
if (memberExp == null)
{
throw new Exception(string.Format(Resources.QueryMemberNotAccessible, member.ToString()));
}
if (memberExp.NodeType == ExpressionType.Parameter)
{
modelReference = GetModelReferenceForNode(memberExp);
}
else if (memberExp.NodeType == ExpressionType.TypeAs)
{
var resultType = memberExp.Type;
var parameterExpression = (memberExp as UnaryExpression).Operand;
// Handle result is employee, and get person's property case
// member expression will be "Param_0 As Person"
if (parameterExpression.Type.IsSubclassOf(resultType))
{
modelReference = GetModelReferenceForNode(parameterExpression);
}
else
{
// member expression will be "Param_0 As Employee"
var emdEntityType = QueryContext.Model.FindDeclaredType(resultType.FullName);
if (emdEntityType is IEdmStructuredType structuredType)
{
var property = structuredType.FindProperty(member.Member.Name);
modelReference = GetModelReferenceForNode(parameterExpression);
modelReference = new PropertyModelReference(modelReference, member.Member.Name, property);
return(modelReference);
}
}
}
if (modelReference != null)
{
modelReference = new PropertyModelReference(modelReference, member.Member.Name);
}
return(modelReference);
}
private QueryModelReference ComputeMemberModelReference(MemberExpression member)
{
QueryModelReference modelReference = null;
var memberExp = member.Expression;
if (memberExp.NodeType == ExpressionType.Parameter)
{
modelReference = this.GetModelReferenceForNode(memberExp);
}
else if (memberExp.NodeType == ExpressionType.TypeAs)
{
var resultType = memberExp.Type;
var parameterExpression = (memberExp as UnaryExpression).Operand;
// Handle result is employee, and get person's property case
// member expression will be "Param_0 As Person"
if (parameterExpression.Type.IsSubclassOf(resultType))
{
modelReference = this.GetModelReferenceForNode(parameterExpression);
}
else
{
// member expression will be "Param_0 As Employee"
var emdEntityType = this.QueryContext.Model.FindDeclaredType(resultType.FullName);
var structuredType = emdEntityType as IEdmStructuredType;
if (structuredType != null)
{
var property = structuredType.FindProperty(member.Member.Name);
modelReference = this.GetModelReferenceForNode(parameterExpression);
modelReference = new PropertyModelReference(member.Member.Name, property, modelReference);
return(modelReference);
}
}
}
if (modelReference != null)
{
modelReference = new PropertyModelReference(
modelReference, member.Member.Name);
}
return(modelReference);
}
private QueryModelReference ComputeMemberModelReference(MemberExpression member)
{
QueryModelReference modelReference = null;
var memberExp = member.Expression;
if (memberExp.NodeType == ExpressionType.Parameter)
{
modelReference = this.GetModelReferenceForNode(memberExp);
}
else if (memberExp.NodeType == ExpressionType.TypeAs)
{
var resultType = memberExp.Type;
var parameterExpression = (memberExp as UnaryExpression).Operand;
// Handle result is employee, and get person's property case
// member expression will be "Param_0 As Person"
if (parameterExpression.Type.IsSubclassOf(resultType))
{
modelReference = this.GetModelReferenceForNode(parameterExpression);
}
else
{
// member expression will be "Param_0 As Employee"
var emdEntityType = this.QueryContext.Model.FindDeclaredType(resultType.FullName);
var structuredType = emdEntityType as IEdmStructuredType;
if (structuredType != null)
{
var property = structuredType.FindProperty(member.Member.Name);
modelReference = this.GetModelReferenceForNode(parameterExpression);
modelReference = new PropertyModelReference(member.Member.Name, property, modelReference);
return modelReference;
}
}
}
if (modelReference != null)
{
modelReference = new PropertyModelReference(
modelReference, member.Member.Name);
}
return modelReference;
}