private void InitSpecialMember(MetaDataMember mm)
{
// Can only have one auto gen member that is also an identity member,
// except if that member is a computed column (since they are implicitly auto gen)
if (mm.IsDbGenerated && mm.IsPrimaryKey && string.IsNullOrEmpty(mm.Expression))
{
if (this.dbGeneratedIdentity != null)
{
throw Error.TwoMembersMarkedAsPrimaryKeyAndDBGenerated(mm.Member, this.dbGeneratedIdentity.Member);
}
this.dbGeneratedIdentity = mm;
}
if (mm.IsPrimaryKey && !MappingSystem.IsSupportedIdentityType(mm.Type))
{
throw Error.IdentityClrTypeNotSupported(mm.DeclaringType, mm.Name, mm.Type);
}
if (mm.IsVersion)
{
if (this.version != null)
{
throw Error.TwoMembersMarkedAsRowVersion(mm.Member, this.version.Member);
}
this.version = mm;
}
if (mm.IsDiscriminator)
{
if (this.discriminator != null)
{
if (!InheritanceRules.AreSameMember(this.discriminator.Member, mm.Member))
{
throw Error.TwoMembersMarkedAsInheritanceDiscriminator(mm.Member, this.discriminator.Member);
}
}
else
{
this.discriminator = mm;
}
}
}
private void InitSpecialMember(MetaDataMember mm)
{
if ((mm.IsDbGenerated && mm.IsPrimaryKey) && string.IsNullOrEmpty(mm.Expression))
{
if (this.dbGeneratedIdentity != null)
{
throw Error.TwoMembersMarkedAsPrimaryKeyAndDBGenerated(mm.Member, this.dbGeneratedIdentity.Member);
}
this.dbGeneratedIdentity = mm;
}
if (mm.IsPrimaryKey && !MappingSystem.IsSupportedIdentityType(mm.Type))
{
throw Error.IdentityClrTypeNotSupported(mm.DeclaringType, mm.Name, mm.Type);
}
if (mm.IsVersion)
{
if (this.version != null)
{
throw Error.TwoMembersMarkedAsRowVersion(mm.Member, this.version.Member);
}
this.version = mm;
}
if (mm.IsDiscriminator)
{
if (this.discriminator != null)
{
if (!InheritanceRules.AreSameMember(this.discriminator.Member, mm.Member))
{
throw Error.TwoMembersMarkedAsInheritanceDiscriminator(mm.Member, this.discriminator.Member);
}
}
else
{
this.discriminator = mm;
}
}
}