public DBRow AddOrReplaceRow(DBRow row)
{
if (row.Table == this)
{
throw new InvalidOperationException("Row is already in this table.");
}
DBRow sameRow = FindRow(row);
if (sameRow != null)
{
if (sameRow.Element("version") != null && row.Element("version") != null)
{
row.Element("version").Value = sameRow.Element("version").Value;
}
if (sameRow.Element("_version") != null && row.Element("_version") != null)
{
row.Element("_version").Value = sameRow.Element("_version").Value;
}
sameRow.Remove();
}
return(AddRow(row));
}
/// <summary>
/// Searches for a row with id element same as specified row id element.
/// </summary>
/// <param name="row">The row to search for.</param>
/// <returns>First row that has id same as specified row id element.</returns>
public DBRow FindRow(DBRow row)
{
if (this.rows.Contains(row) == true)
{
return(row);
}
return(FindRow(row.Element("id").Value));
}
/// <summary>
/// Searches for a row with id element same as specified row id element.
/// </summary>
/// <param name="row">The row to search for.</param>
/// <returns>First row that has id same as specified row id element.</returns>
public DBRow FindRow(DBRow row)
{
var machingRow = (from table in this.tables select table.FindRow(row)).FirstOrDefault(r => r != null);
//TODO -1 czy tego nie mozna wywalic? przeciez DBTable robi porownianie po id jak nie znajdzie takiej samej ref
//wiec to powoduje podwojne szukanie
if (machingRow != null)
{
return(machingRow);
}
else
{
return(FindRow(row.Element("id").Value));
}
}
/// <summary>
/// Searches for a row with id element same as specified row id element.
/// </summary>
/// <param name="row">The row to search for.</param>
/// <param name="tableName">Name of the table.</param>
/// <returns>
/// First row that has id same as specified row id element.
/// </returns>
public DBRow FindRow(DBRow row, string tableName)
{
var machingRow = (from table in this.tables
where table.Name.Equals(tableName, StringComparison.Ordinal)
select table.FindRow(row)).FirstOrDefault(r => r != null);
if (machingRow != null)
{
return(machingRow);
}
else
{
return(FindRow(row.Element("id").Value, tableName));
}
}
/// <summary>
/// Determines whether this row is the same as the specified row by comparing rows version element.
/// </summary>
/// <param name="row">The row to compare against.</param>
/// <returns>
/// <c>true</c> if this row is the same as the specified row; otherwise, <c>false</c>.
/// </returns>
public bool IsTheSameAs(DBRow row)
{
return(this.Element("version").Value.Equals(row.Element("version").Value, StringComparison.OrdinalIgnoreCase));
}
