public DeferredForeignKeyMetadata(
Type clrObjectType,
CustomPropertyType entityProperty,
CustomForeignKeyConstraintAttribute attribute,
CustomForeignKeyConstraint consraint
)
{
this.ClrObjectType = clrObjectType;
this.EntityProperty = entityProperty;
this.Attribute = attribute;
this.Consraint = consraint;
}
public void DefferedInitialization(
CustomEntityType targetEntity,
CustomPropertyType targetPrimaryKeyProperty
)
{
Debug.Assert(!_readonly);
_targetEntity = targetEntity;
_targetPrimaryKeyProperty = targetPrimaryKeyProperty;
_readonly = true;
}
GetEntityProperties(
Type clrObjectType,
ICollection <EntityMemberCandidate> candidateList,
ICollection <DeferredForeignKeyMetadata> deferredForeignKeys
)
{
var primaryKeyNamesAttribute = TryGetAttribute <KeyAttribute>(
clrObjectType);
if (null == primaryKeyNamesAttribute || 0 == primaryKeyNamesAttribute.KeyNames.Count)
{
throw new CustomMetadataException(String.Format(
"EntityType mapping for CLR object type '{0}' is incomplete " +
"because it does not define any primary keys. Use {1} to " +
"specify at least one primary key.",
clrObjectType.Name,
typeof(KeyAttribute).Name
));
}
ICollection <string> primaryKeyNames = new List <string>(primaryKeyNamesAttribute.KeyNames);
Debug.Assert(primaryKeyNames.Count > 0);
var collectedEntityProperties = new List <CustomPropertyType>();
var candidateArray = candidateList.ToArray();
foreach (var propertyCandidate in candidateArray)
{
PropertyInfo clrProperty = propertyCandidate.ClrProperty;
var propertyAttribute = TryGetAttribute <CustomPropertyAttribute>(clrProperty);
if (null == propertyAttribute)
{
continue;
}
var isComplexTypeProperty = TryGetAttribute <CustomComplexTypeAttribute>(
clrProperty.PropertyType) != null;
var foreignKeyAttribute = TryGetAttribute <CustomForeignKeyConstraintAttribute>(
clrProperty);
CustomForeignKeyConstraint foreignKeyConstraint = (null == foreignKeyAttribute ? null
: new CustomForeignKeyConstraint());
bool isPrimaryKey = primaryKeyNames.Remove(clrProperty.Name);
CustomPropertyType entityProperty = new CustomPropertyType(
propertyCandidate.NestedComplexTypePropertyPath,
clrProperty,
propertyAttribute.IsNullable,
propertyAttribute.IsReadOnly,
propertyAttribute.HasMaximumLength ?
propertyAttribute.MaximumLength : (int?)null,
propertyAttribute.IsStoreGenerated,
isPrimaryKey,
foreignKeyConstraint
);
collectedEntityProperties.Add(entityProperty);
candidateList.Remove(propertyCandidate);
if (null != foreignKeyConstraint)
{
deferredForeignKeys.Add(
new DeferredForeignKeyMetadata(
clrObjectType,
entityProperty,
foreignKeyAttribute,
foreignKeyConstraint
)
);
}
}
if (primaryKeyNames.Count > 0)
{
throw new CustomMetadataException(String.Format(
"The following primary key properties [{0}] defined in " +
"{1} were not resolved to entity properties. Make sure " +
"that the listed properties are defined and annotated with {1}.",
CustomUtils.FormatCsvString(primaryKeyNames),
typeof(KeyAttribute).Name,
typeof(CustomPropertyAttribute).Name
));
}
return(collectedEntityProperties);
}
