public TFSEntity Find(FSSystemGuid rowId)
{
using (var dataContext = new FSDataContext <TFSEntity>(_provider))
{
return(dataContext.GetByRowId(rowId));
}
}
public FSIdent(FSSystemGuid rowId, FSlong rowVersion)
{
Guard.ArgumentNotNull(() => rowId);
Guard.ArgumentNotNull(() => rowVersion);
RowId = rowId;
RowVersion = rowVersion;
}
internal T GetByRowId(FSSystemGuid rowId)
{
var o = Create();
var entityIdColumn = o.GetVirtualColumnNameOnPropertyName("ROWID");
var where = entityIdColumn + DB.SqlStringRowID("=", rowId);
if (o.Load(where) != 1)
{
return(null);
}
return(o);
}
internal async Task <T> GetByRowIdAsync(Guid rowId)
{
var o = Create();
var entityIdColumn = o.GetVirtualColumnNameOnPropertyName("ROWID");
var where = entityIdColumn + DB.SqlStringRowID("=", FSSystemGuid.FromObject(rowId));
var loadResult = await Task.Run(() => o.Load(where));
if (loadResult != 1)
{
return(null);
}
return(o);
}
internal T GetByRowId(string rowId)
{
if (!Guid.TryParse(rowId, out var guid))
{
return(null);
}
var o = Create();
var entityIdColumn = o.GetVirtualColumnNameOnPropertyName("ROWID");
var where = entityIdColumn + DB.SqlStringRowID("=", FSSystemGuid.FromObject(guid));
if (o.Load(where) != 1)
{
return(null);
}
return(o);
}
/// <summary>
/// Gets the by row identifier asynchronous.
/// </summary>
/// <param name="rowIds">The row ids.</param>
/// <returns></returns>
internal async Task <IEnumerable <T> > GetByRowIdAsync(IEnumerable <string> rowIds)
{
var o = Create();
var entityIdColumn = o.GetVirtualColumnNameOnPropertyName("ROWID");
var where = rowIds.Batch(1000)
.Select(block => $"{entityIdColumn} IN ({block.Join(",", x => $"'{DB.SqlStringRowID(FSSystemGuid.FromObject(x))}'")})")
.Join(" OR ");
return(await Task.Run(() => o.GetFetchNext(where)
.Cast <T>()
));
}
