private void AddEquals()
{
using (_cb.BeginNest("public override bool Equals(object obj)"))
{
_cb.AppendLine("var x = obj as " + NetName + ";");
_cb.AppendLine("if (x == null) return false;");
foreach (var column in _columns)
{
var primaryKeyName = _namer.PrimaryKeyName(column);
var datatype = column.DataType ?? new DataType("x", "x");
//we'll only use scalar key properties
//if (column.IsForeignKey)
//{
// _cb.AppendLine("if (" + primaryKeyName + " == null && x." + primaryKeyName + " == null) return ReferenceEquals(this, x);");
//}
//else
if (datatype.IsNumeric)
{
_cb.AppendLine("if (" + primaryKeyName + " == 0 && x." + primaryKeyName + " == 0) return ReferenceEquals(this, x);");
}
else if (datatype.IsString)
{
_cb.AppendLine("if (string.IsNullOrEmpty(" + primaryKeyName + ") && string.IsNullOrEmpty(" + primaryKeyName + ")) return object.ReferenceEquals(this, x);");
}
}
var sb = new StringBuilder();
sb.Append("return ");
var i = 0;
foreach (var column in _columns)
{
if (i != 0)
{
sb.Append(" && ");
}
i++;
var primaryKeyName = _namer.PrimaryKeyName(column);
sb.Append("(" + primaryKeyName + " == x." + primaryKeyName + ")");
}
sb.AppendLine(";");
_cb.AppendLine(sb.ToString());
}
}
