public bool TryConvertEdmType(PrimitiveType primitiveType, FacetInfo facets, out Type result)
{
result = null;
if (string.Equals("binary", primitiveType.Name, StringComparison.InvariantCultureIgnoreCase) ||
string.Equals("image", primitiveType.Name, StringComparison.InvariantCultureIgnoreCase))
{
result = typeof(NMemory.Data.Binary);
return(true);
}
if (string.Equals("rowversion", primitiveType.Name, StringComparison.InvariantCultureIgnoreCase) ||
string.Equals("timestamp", primitiveType.Name, StringComparison.InvariantCultureIgnoreCase))
{
result = typeof(NMemory.Data.Timestamp);
return(true);
}
if (string.Equals("geometry", primitiveType.Name, StringComparison.InvariantCultureIgnoreCase))
{
result = typeof(NMemory.Spatial.DbGeometry);
return(true);
}
if (string.Equals("geography", primitiveType.Name, StringComparison.InvariantCultureIgnoreCase))
{
result = typeof(NMemory.Spatial.DbGeography);
return(true);
}
return(false);
}
public EntityPropertyInfo(
string name,
Type type,
FacetInfo facets,
List<IndexInfo> indexes)
{
this.name = name;
this.type = type;
this.facets = facets;
this.indexes = indexes.ToList().AsReadOnly();
}
private Type CreateRowType(RowType rowType, FacetInfo facets)
{
Dictionary <string, Type> members = new Dictionary <string, Type>();
foreach (EdmMember member in rowType.Members)
{
members.Add(member.GetColumnName(), this.Convert(member.TypeUsage));
}
Type result = DataRowFactory.Create(members);
return(result);
}
public FacetInfo GetTypeFacets(TypeUsage type)
{
FacetInfo facets = new FacetInfo();
Facet facet = null;
if (type.Facets.TryGetValue("Nullable", false, out facet))
{
facets.Nullable = (bool)facet.Value == true;
}
if (type.Facets.TryGetValue("FixedLength", false, out facet))
{
if (!facet.IsUnbounded && facet.Value != null)
{
facets.FixedLength = (bool)facet.Value == true;
}
}
if (type.Facets.TryGetValue("StoreGeneratedPattern", false, out facet))
{
switch ((StoreGeneratedPattern)facet.Value)
{
case StoreGeneratedPattern.Computed:
facets.Computed = true;
break;
case StoreGeneratedPattern.Identity:
facets.Identity = true;
break;
}
}
if (type.Facets.TryGetValue("MaxLength", false, out facet))
{
if (facet.IsUnbounded)
{
facets.LimitedLength = false;
}
else if (facet.Value != null)
{
facets.MaxLength = (int)facet.Value;
facets.LimitedLength = true;
}
}
return(facets);
}
public FacetInfo GetTypeFacets(TypeUsage type)
{
FacetInfo facets = new FacetInfo();
Facet facet = null;
if (type.Facets.TryGetValue("Nullable", false, out facet))
{
facets.Nullable = (bool)facet.Value == true;
}
if (type.Facets.TryGetValue("FixedLength", false, out facet))
{
if (!facet.IsUnbounded && facet.Value != null)
{
facets.FixedLength = (bool)facet.Value == true;
}
}
if (type.Facets.TryGetValue("StoreGeneratedPattern", false, out facet))
{
switch ((StoreGeneratedPattern)facet.Value)
{
case StoreGeneratedPattern.Computed:
facets.Computed = true;
break;
case StoreGeneratedPattern.Identity:
facets.Identity = true;
break;
}
}
if (type.Facets.TryGetValue("MaxLength", false, out facet))
{
if (facet.IsUnbounded)
{
facets.LimitedLength = false;
}
else if (facet.Value != null)
{
facets.MaxLength = (int)facet.Value;
facets.LimitedLength = true;
}
}
return facets;
}
private Type ConvertWithFacets(TypeUsage type, FacetInfo facets)
{
if (type.EdmType.BuiltInTypeKind == BuiltInTypeKind.PrimitiveType)
{
return(this.CreatePrimitiveType(type.EdmType as PrimitiveType, facets));
}
else if (type.EdmType.BuiltInTypeKind == BuiltInTypeKind.RowType)
{
return(this.CreateRowType(type.EdmType as RowType, facets));
}
else if (type.EdmType.BuiltInTypeKind == BuiltInTypeKind.CollectionType)
{
return(this.CreateCollectionType(type.EdmType as CollectionType, facets));
}
throw new NotSupportedException();
}
private Type CreatePrimitiveType(PrimitiveType primitiveType, FacetInfo facets)
{
Type result = null;
if (this.converter.TryConvertEdmType(primitiveType, facets, out result))
{
return(result);
}
result = primitiveType.ClrEquivalentType;
if (facets.Nullable && result.IsValueType)
{
result = typeof(Nullable <>).MakeGenericType(result);
}
return(result);
}
public bool TryConvertEdmType(PrimitiveType primitiveType, FacetInfo facets, out Type result)
{
result = null;
if (string.Equals("binary", primitiveType.Name, StringComparison.InvariantCultureIgnoreCase))
{
result = typeof(NMemory.Data.Binary);
return true;
}
if (string.Equals("rowversion", primitiveType.Name, StringComparison.InvariantCultureIgnoreCase))
{
result = typeof(NMemory.Data.Timestamp);
return true;
}
return false;
}
public Type ConvertNotNull(TypeUsage type)
{
FacetInfo facets = new FacetInfo();
return this.ConvertWithFacets(type, facets);
}
private Type CreateCollectionType(CollectionType collectionType, FacetInfo facets)
{
Type elementType = this.ConvertWithFacets(collectionType.TypeUsage, facets);
return elementType.MakeArrayType();
}
private Type CreateRowType(RowType rowType, FacetInfo facets)
{
Dictionary<string, Type> members = new Dictionary<string, Type>();
foreach (EdmMember member in rowType.Members)
{
members.Add(member.GetColumnName(), this.Convert(member.TypeUsage));
}
Type result = DataRowFactory.Create(members);
return result;
}
private Type CreatePrimitiveType(PrimitiveType primitiveType, FacetInfo facets)
{
Type result = null;
if (this.converter.TryConvertEdmType(primitiveType, facets, out result))
{
return result;
}
result = primitiveType.ClrEquivalentType;
if (facets.Nullable && result.IsValueType)
{
result = typeof(Nullable<>).MakeGenericType(result);
}
return result;
}
private Type ConvertWithFacets(TypeUsage type, FacetInfo facets)
{
if (type.EdmType.BuiltInTypeKind == BuiltInTypeKind.PrimitiveType)
{
return this.CreatePrimitiveType(type.EdmType as PrimitiveType, facets);
}
else if (type.EdmType.BuiltInTypeKind == BuiltInTypeKind.RowType)
{
return this.CreateRowType(type.EdmType as RowType, facets);
}
else if (type.EdmType.BuiltInTypeKind == BuiltInTypeKind.CollectionType)
{
return this.CreateCollectionType(type.EdmType as CollectionType, facets);
}
throw new NotSupportedException();
}
public Type ConvertNotNull(TypeUsage type)
{
FacetInfo facets = new FacetInfo();
return(this.ConvertWithFacets(type, facets));
}
public Type Convert(TypeUsage type)
{
FacetInfo facets = this.GetTypeFacets(type);
return(this.ConvertWithFacets(type, facets));
}
private Type CreateCollectionType(CollectionType collectionType, FacetInfo facets)
{
Type elementType = this.ConvertWithFacets(collectionType.TypeUsage, facets);
return(elementType.MakeArrayType());
}
