//Data
//Constructor
public ScanExpression(ExpNode input)
: base(input)
{
_type = input.Type;
}
//Constructor
public PredicateExpression(QueryNode input, ExpNode predicate)
: base(input)
{
_predicate = predicate;
_type = input.Type;
}
//Constructor
internal CastExpression(ExpNode target, NodeType targetType)
: base(target)
{
TargetType = targetType;
}
//Constructor
internal IsOfExpression(ExpNode target, NodeType targetType)
: base(null)
{
Target = target;
TargetType = targetType;
}
public VariableExpression(Node node, NodeType type)
: base(null)
{
_type = type;
_variable = node;
}
public static string ConstructEquivalentETag(ResourceType type, string ETag)
{
string[] pieces = SplitETag(ETag);
List <NodeProperty> etagProperties = type.Properties.Where(p => p.Facets.ConcurrencyModeFixed).ToList();
for (int i = 0; i < pieces.Length; i++)
{
string piece = pieces[i];
if (piece == Null)
{
continue;
}
NodeProperty property = etagProperties[i];
NodeType propertyType = etagProperties[i].Type;
if (propertyType == Clr.Types.String && property.Facets.FixedLength)
{
piece = piece.Trim('\'');
if (piece.Length < property.Facets.MaxSize)
{
piece = piece + " ";
}
else if (piece.EndsWith(" "))
{
piece = piece.Remove(piece.Length - 1);
}
piece = "'" + piece + "'";
}
else if (propertyType.IsNumeric)
{
if (piece.Contains("INF") || piece.Contains("NaN"))
{
continue;
}
else if (piece.ToLower().Contains("e")) //must be a floating point
{
// add 0's and flip capitalization
piece = piece.Replace("E%2b", "0e%2B0");
piece = piece.Replace("e%2b", "0E%2B0");
piece = piece.Replace("E%2B", "0e%2b0");
piece = piece.Replace("e%2B", "0E%2b0");
piece = piece.Replace("E+", "0e+0");
piece = piece.Replace("e+", "0E+0");
}
else if (propertyType.ClrType == typeof(double) && !(piece.EndsWith("D") || piece.EndsWith("d")))
{
if (!piece.Contains('.'))
{
piece = piece + ".0";
}
else
{
piece = piece + "0";
}
piece = piece + "E+0";
}
else if (propertyType.ClrType == typeof(float) || propertyType.ClrType == typeof(Single) || propertyType.ClrType == typeof(double))
{
if (!piece.Contains('.'))
{
piece = piece.Insert(piece.Length - 1, ".0"); //just before the 'f' or 'D'
}
else
{
piece = piece.Insert(piece.Length - 1, "0"); //just before the 'f' or 'D'
}
piece = piece.Insert(piece.Length - 1, "E+0");
}
else if (propertyType.ClrType == typeof(decimal))
{
if (!piece.Contains('.'))
{
piece = piece.Insert(piece.Length - 1, ".0"); //just before the 'M'
}
else
{
piece = piece.Insert(piece.Length - 1, "0"); //just before the 'M'
}
}
if (piece.StartsWith("-"))
{
piece = piece.Insert(1, "0");
}
else
{
piece = "0" + piece;
}
}
pieces[i] = piece;
}
return(ConstructETag(pieces));
}
public virtual void InferAssociations()
{
//Pull off any assoications bound to the properties
foreach (ResourceProperty p in this.Properties)
{
//Skip associations on properties on basetypes, we don't need duplicate associations
/*if(this.BaseType!=null)
* {
* int basePropertyCount = this.BaseType.Properties.OfType<ResourceProperty>().Where(baseProp => baseProp.Name.Equals(p.Name)).Count();
* if (basePropertyCount > 0)
* continue;
* }*/
ResourceAssociation[] associations = p._other.OfType <ResourceAssociation>().ToArray();
ResourceAssociationEnd[] associationEnds = p._other.OfType <ResourceAssociationEnd>().ToArray();
ResourceAssociationEnd fromEnd = null;
ResourceAssociationEnd toEnd = null;
if (associationEnds.Count() == 2)
{
fromEnd = associationEnds[0];
toEnd = associationEnds[1];
}
NodeType subtype = p.Type is CollectionType ? ((CollectionType)p.Type).SubType : p.Type;
if (associations.Length == 0 && subtype is ResourceType)
{
//Inferred Association (ie: Navigation property), with no mappings
//To specify mappings, explicitly use an association
this.Relations.Add(
Resource.Association(this.Name + p.Name, //AssociationName
Resource.End(this.Name, this, this.Facets.Nullable ? Multiplicity.Zero : Multiplicity.One),
Resource.End(p.Name, (ResourceType)subtype, p.Type is CollectionType ? Multiplicity.Many : (p.Facets.Nullable ? Multiplicity.Zero : Multiplicity.One))
)
);
}
else
{
//Updated specfied with Associations, with any missing data
foreach (ResourceAssociation a in associations)
{
//Name (ie: Default)
if (a.Name == null)
{
a.Name = this.Name + p.Name;
}
//End1
ResourceAssociationEnd e1 = a.Source;
e1.ResourceType = e1.ResourceType ?? this;
e1.Name = e1.Name ?? this.Name;
e1.Multiplicity = e1.Multiplicity ?? (this.Facets.Nullable ? Multiplicity.Zero : Multiplicity.One);
//End2
ResourceAssociationEnd e2 = a.Target;
e2.ResourceType = e2.ResourceType ?? (ResourceType)subtype;
e2.Name = e2.Name ?? p.Name;
e2.Multiplicity = e2.Multiplicity ?? (p.Type is CollectionType ? Multiplicity.Many : (p.Facets.Nullable ? Multiplicity.Zero : Multiplicity.One));
this.Relations.Add(a);
}
}
if (fromEnd != null && toEnd != null)
{
p.SetFromAndToAssociationEnds(fromEnd, toEnd);
}
}
}
