public override IPermission Union(IPermission target)
{
if (target == null)
{
return(this.Copy());
}
if (target.GetType() != base.GetType())
{
throw System.Data.Common.ADP.PermissionTypeMismatch();
}
if (this.IsUnrestricted())
{
return(this.Copy());
}
OraclePermission permission = (OraclePermission)target.Copy();
if (!permission.IsUnrestricted())
{
permission._allowBlankPassword |= this.AllowBlankPassword;
if (this._keyvalues != null)
{
foreach (System.Data.OracleClient.DBConnectionString str in this._keyvalues)
{
permission.AddPermissionEntry(str);
}
}
}
if (!permission.IsEmpty())
{
return(permission);
}
return(null);
}
public override IPermission Intersect(IPermission target)
{
if (target == null)
{
return(null);
}
if (target.GetType() != base.GetType())
{
throw System.Data.Common.ADP.PermissionTypeMismatch();
}
if (this.IsUnrestricted())
{
return(target.Copy());
}
OraclePermission permission2 = (OraclePermission)target;
if (permission2.IsUnrestricted())
{
return(this.Copy());
}
OraclePermission permission = (OraclePermission)permission2.Copy();
permission._allowBlankPassword &= this.AllowBlankPassword;
if ((this._keyvalues != null) && (permission._keyvalues != null))
{
permission._keyvalues.Clear();
permission._keyvaluetree.Intersect(permission._keyvalues, this._keyvaluetree);
}
else
{
permission._keyvalues = null;
permission._keyvaluetree = null;
}
if (permission.IsEmpty())
{
permission = null;
}
return(permission);
}
