internal static DbProviderServices GetProviderServices(DbProviderFactory factory)
{
EDesignUtil.CheckArgumentNull(factory, "factory");
// Special case SQL client so that it will work with System.Data from .NET 4.0 even without
// a binding redirect.
if (factory is SqlClientFactory)
{
return(SqlProviderServices.Instance);
}
IServiceProvider serviceProvider = factory as IServiceProvider;
if (serviceProvider == null)
{
throw MetadataUtil.ProviderIncompatible(System.Data.Entity.Design.Strings.EntityClient_DoesNotImplementIServiceProvider(
factory.GetType().ToString()));
}
DbProviderServices providerServices = serviceProvider.GetService(typeof(DbProviderServices)) as DbProviderServices;
if (providerServices == null)
{
throw MetadataUtil.ProviderIncompatible(
System.Data.Entity.Design.Strings.EntityClient_ReturnedNullOnProviderMethod(
"GetService",
factory.GetType().ToString()));
}
return(providerServices);
}
internal static string MembersToCommaSeparatedString(IEnumerable members)
{
StringBuilder builder = new StringBuilder();
builder.Append("{");
MetadataUtil.ToCommaSeparatedString(builder, members);
builder.Append("}");
return(builder.ToString());
}
private void WriteExtendedPropertyAttributes(MetadataItem item)
{
foreach (MetadataProperty property in item.MetadataProperties.Where(p => p.PropertyKind == PropertyKind.Extended))
{
string xmlNamespace, attributeName;
if (MetadataUtil.TrySplitExtendedMetadataPropertyName(property.Name, out xmlNamespace, out attributeName))
{
_writer.WriteAttributeString(attributeName, xmlNamespace, property.Value.ToString());
}
}
}
