public IConfiguration Discover(EdmProperty property, DbModel model)
{
Debug.Assert(property != null, "property is null.");
Debug.Assert(model != null, "model is null.");
if (!_precisionTypes.Contains(property.PrimitiveType.PrimitiveTypeKind))
{
// Doesn't apply
return null;
}
var storeProperty = model.GetColumn(property);
var defaultPrecision = (byte)storeProperty.PrimitiveType.FacetDescriptions
.First(d => d.FacetName == DbProviderManifest.PrecisionFacetName).DefaultValue;
// NOTE: This facet is not propagated to the conceptual side of the reverse
// engineered model.
var precision = storeProperty.Precision ?? defaultPrecision;
if (precision == defaultPrecision)
{
// By convention
return null;
}
return new PrecisionDateTimeConfiguration { Precision = precision };
}
public IConfiguration Discover(EdmProperty property, DbModel model)
{
Debug.Assert(property != null, "property is null.");
Debug.Assert(model != null, "model is null.");
var columnProperty = model.GetColumn(property);
if (property.IsKey() && _identityKeyTypes.Contains(property.PrimitiveType.PrimitiveTypeKind))
{
if (columnProperty.IsStoreGeneratedIdentity)
{
// By convention
return null;
}
}
else if (columnProperty.IsTimestamp())
{
// By convention
return null;
}
else if (columnProperty.StoreGeneratedPattern == StoreGeneratedPattern.None)
{
// Doesn't apply
return null;
}
return new DatabaseGeneratedConfiguration { StoreGeneratedPattern = columnProperty.StoreGeneratedPattern };
}
public IConfiguration Discover(EdmProperty property, DbModel model)
{
Debug.Assert(property != null, "property is null.");
Debug.Assert(model != null, "model is null.");
if (!model.GetColumn(property).IsTimestamp())
{
// Doesn't apply
return null;
}
return new TimestampConfiguration();
}
public IConfiguration Discover(EdmProperty property, DbModel model)
{
Debug.Assert(property != null, "property is null.");
Debug.Assert(model != null, "model is null.");
if (property.Nullable
|| property.PrimitiveType.ClrEquivalentType.IsValueType
|| property.IsKey()
|| model.GetColumn(property).IsTimestamp())
{
// By convention
return null;
}
return new RequiredConfiguration();
}
public IConfiguration Discover(EdmProperty property, DbModel model)
{
Debug.Assert(property != null, "property is null.");
Debug.Assert(model != null, "model is null.");
var columnProperty = model.GetColumn(property);
string name = null;
if (_code.Property(property) != columnProperty.Name)
{
name = columnProperty.Name;
}
var providerManifest = model.GetProviderManifest(_dependencyResolver);
var defaultTypeName = providerManifest.GetStoreType(property.TypeUsage)
.EdmType.Name;
string typeName = null;
if (!columnProperty.TypeName.EqualsIgnoreCase(defaultTypeName))
{
typeName = columnProperty.TypeName;
}
var entityType = (EntityType)property.DeclaringType;
var keyIndex = entityType.KeyMembers.IndexOf(property);
int? order = null;
if (keyIndex != -1 && entityType.KeyMembers.Count > 1)
{
order = keyIndex;
}
if (name == null && typeName == null && order == null)
{
// By convention
return null;
}
return new ColumnConfiguration { Name = name, TypeName = typeName, Order = order };
}