private static void AddReferenceNavigationColumns(List <EntityDataSourceColumn> columns, MetadataWorkspace ocWorkspace, EntitySet entitySet, EntityType entityType)
{
foreach (AssociationSetEnd toEnd in GetReferenceEnds(entitySet, entityType, /*forKey*/ false))
{
// Check for a navigation property
NavigationProperty navigationProperty;
if (TryGetCorrespondingNavigationProperty(toEnd.CorrespondingAssociationEndMember, out navigationProperty))
{
Type clrToType = EntityDataSourceUtil.GetMemberClrType(ocWorkspace, navigationProperty);
EntityDataSourceReferenceValueColumn column = EntityDataSourceReferenceValueColumn.Create(clrToType, ocWorkspace, navigationProperty);
columns.Add(column);
}
}
}
internal EntityDataSourceMemberPath(MetadataWorkspace ocWorkspace, EntityDataSourceMemberPath parent, EdmProperty property, bool isLocallyInteresting)
{
EntityDataSourceUtil.CheckArgumentNull(ocWorkspace, "ocWorkspace");
EntityDataSourceUtil.CheckArgumentNull(property, "property");
this.property = property;
this.parent = parent;
this.isLocallyInteresting = isLocallyInteresting;
this.clrType = EntityDataSourceUtil.GetMemberClrType(ocWorkspace, property);
this.isKey = IsPropertyAKey(property);
// retrieve PropertyInfo (with respect to parent CLR type)
StructuralType parentType = property.DeclaringType;
Type parentClrType = EntityDataSourceUtil.GetClrType(ocWorkspace, parentType);
this.propertyInfo = EntityDataSourceUtil.GetPropertyInfo(parentClrType, this.property.Name);
}
internal EntityDataSourceReferenceKeyColumn(MetadataWorkspace workspace, EntityDataSourceReferenceGroup group, EdmProperty keyMember, EntityDataSourceColumn dependent)
: base(CreateDisplayName(group, keyMember), dependent)
{
EntityDataSourceUtil.CheckArgumentNull(group, "group");
EntityDataSourceUtil.CheckArgumentNull(keyMember, "keyMember");
Debug.Assert(EntityDataSourceUtil.IsScalar(keyMember.TypeUsage.EdmType), "Expected primitive or enum type for key members.");
this.group = group;
this.keyMember = keyMember;
this.clrType = EntityDataSourceUtil.GetMemberClrType(workspace, keyMember);
// if the association end is optional (0..1), make sure the CLR type
// is also nullable
if (this.group.End.CorrespondingAssociationEndMember.RelationshipMultiplicity == RelationshipMultiplicity.ZeroOrOne)
{
this.clrType = EntityDataSourceUtil.MakeNullable(clrType);
this.isNullable = true;
}
}
