/// <summary>
/// Initialize foreign key details according to referential constraint.
/// </summary>
/// <param name="referentialConstraint">Referential constraint to get foreign keys from.</param>
private void Initialize(
ReferentialConstraint referentialConstraint)
{
if (referentialConstraint == null)
{
return;
}
if (referentialConstraint.FromRole != null &&
referentialConstraint.FromProperties != null &&
referentialConstraint.FromProperties.Count > 0)
{
RefType fromType =
referentialConstraint.FromRole.TypeUsage.EdmType as RefType;
if (fromType != null)
{
FromDetails = new ForeignKeyDetail()
{
ContainerClass = fromType.ElementType.Name,
Keys =
referentialConstraint.FromProperties.Select(m => m.Name).ToList(),
RelationshipMultiplicity =
referentialConstraint.FromRole.RelationshipMultiplicity
};
}
}
if (referentialConstraint.ToRole != null &&
referentialConstraint.ToProperties != null &&
referentialConstraint.ToProperties.Count > 0)
{
RefType toType =
referentialConstraint.ToRole.TypeUsage.EdmType as RefType;
if (toType != null)
{
ToDetails = new ForeignKeyDetail()
{
ContainerClass = toType.ElementType.Name,
Keys =
referentialConstraint.ToProperties.Select(m => m.Name).ToList(),
RelationshipMultiplicity =
referentialConstraint.ToRole.RelationshipMultiplicity
};
}
}
}
internal RelationshipDetail()
{
FromDetails = new ForeignKeyDetail();
ToDetails = new ForeignKeyDetail();
}
