public static void NotNull()
{
var nullRowId = RowId.Null;
var rowId = new RowId(1, 32);
Assert.AreNotEqual(rowId, nullRowId);
}
public static void ToString(int tableId, long rowNumber, string expected)
{
var rowId = new RowId(tableId, (int)rowNumber);
var s = rowId.ToString();
Assert.AreEqual(expected, s);
}
public static void Parse(string s, int tableId, long rowNumber)
{
RowId rowId = RowId.Null;
Assert.DoesNotThrow(() => rowId = RowId.Parse(s));
Assert.IsFalse(rowId.IsNull);
Assert.AreEqual(tableId, rowId.TableId);
Assert.AreEqual(rowNumber, rowId.RowNumber);
}
public bool RemoveRow(RowId rowId)
{
OnTableEvent(TriggerEventType.BeforeDelete, rowId, null);
// TODO: Maybe we should return the row removed here
var result = MutableTable.RemoveRow(rowId);
OnTableEvent(TriggerEventType.AfterDelete, rowId, null);
return(result);
}
/// <summary>
/// Constructs a new row object for the table given,
/// identified by the given <see cref="RowId"/>.
/// </summary>
/// <param name="table">The table that contains the row.</param>
/// <param name="rowId">The unique identifier of the row within the database.</param>
/// <exception cref="ArgumentNullException">
/// If the provided <paramref name="table"/> is <c>null</c>.
/// </exception>
/// <exception cref="ArgumentException">
/// If the <paramref name="table"/> defines any id and this does not
/// match the given <paramref name="rowId"/>.
/// </exception>
public Row(ITable table, RowId rowId)
{
if (table == null)
{
throw new ArgumentNullException("table");
}
if (!rowId.IsNull &&
table.TableInfo.Id >= 0 &&
table.TableInfo.Id != rowId.TableId)
{
throw new ArgumentException(String.Format("The table ID {0} does not match the identifier specified by the row ID ({1})",
table.TableInfo.Id,
rowId.TableId));
}
Table = table;
RowId = rowId;
}
private void OnTableEvent(TriggerEventType eventType, RowId rowId, Row row)
{
Context.FireTriggers(new TableEvent(this, eventType, rowId, row));
}
private void OnTableEvent(TriggerEventTime eventTime, TriggerEventType eventType, RowId rowId, Row row)
{
Request.Access().FireTriggers(Request, new TableEvent(this, eventTime, eventType, rowId, row));
}
/// <summary>
/// Sets the number component of the ID of this column.
/// </summary>
/// <param name="rowNumber">The zero-based number to set
/// for identifying this row.</param>
/// <seealso cref="Tables.RowId.RowNumber"/>
/// <seealso cref="RowId"/>
public void SetRowNumber(int rowNumber)
{
RowId = new RowId(Table.TableInfo.Id, rowNumber);
}
/// <summary>
/// Sets the row number part of the identificator
/// </summary>
/// <param name="number">The unique row number within the underlying table</param>
/// <remarks>
/// <para>
/// When a row is made permanent in a table (by a call to <see cref="IMutableTable.AddRow"/>),
/// this method is called to update the address of the
/// </para>
/// <para>
/// If a row has no number locator to the underlying table all access
/// methods will throw exceptions.
/// </para>
/// </remarks>
public void SetNumber(int number)
{
RowId = new RowId(Table.TableInfo.Id, number);
}
