public void OnPostBulkInsert(BulkInsertEventArgs <T> e)
{
var handler = PostBulkInsert;
if (handler != null)
{
handler(this, e);
}
}
/// <summary>
/// Performs buffered bulk insert of enumerable items.
/// </summary>
/// <param name="items">The items to be inserted.</param>
public void Insert(IEnumerable <T> items)
{
if (items == null)
{
throw new ArgumentNullException("items");
}
// get columns that have a matching property
var cols = _dt.Value.Columns.Cast <DataColumn>()
.Where(x => _props.Value.ContainsKey(x.ColumnName))
.Select(x => new { Column = x, Getter = _props.Value[x.ColumnName] })
.Where(x => x.Getter != null)
.ToArray();
foreach (var buffer in Buffer(items, BufferSize).Select(x => x.ToArray()))
{
foreach (var item in buffer)
{
var row = _dt.Value.NewRow();
foreach (var col in cols)
{
row[col.Column] = col.Getter(item) ?? DBNull.Value;
}
_dt.Value.Rows.Add(row);
}
var bulkInsertEventArgs = new BulkInsertEventArgs <T>(buffer, _dt.Value);
OnPreBulkInsert(bulkInsertEventArgs);
if (BulkCopyTimeout.HasValue)
{
_sbc.BulkCopyTimeout = (int)BulkCopyTimeout.Value.TotalSeconds;
}
_sbc.WriteToServer(_dt.Value);
OnPostBulkInsert(bulkInsertEventArgs);
InsertedCount += _dt.Value.Rows.Count;
_dt.Value.Clear();
}
}
