/// <inheritdoc/>
public unsafe ICellAccessor UseGenericCell(Trinity.Storage.LocalMemoryStorage storage, long cellId)
{
ushort type;
int size;
byte * cellPtr;
int entryIndex;
var err = storage.GetLockedCellInfo(cellId, out size, out type, out cellPtr, out entryIndex);
if (err != TrinityErrorCode.E_SUCCESS)
{
throw new CellNotFoundException("Cannot access the cell.");
}
switch ((CellType)type)
{
/*FOREACH*/
case CellType.t_cell_name:
return(t_cell_name_Accessor._get()._Setup(cellId, cellPtr, entryIndex, CellAccessOptions.ThrowExceptionOnCellNotFound));
/*END*/
default:
storage.ReleaseCellLock(cellId, entryIndex);
throw new CellTypeNotMatchException("Cannot determine cell type.");
}
}
/// <summary>
/// Allocate a generic cell accessor on the specified cell.
/// If <c><see cref="Trinity.TrinityConfig.ReadOnly"/> == false</c>,
/// on calling this method, it attempts to acquire the lock of the cell,
/// and blocks until it gets the lock.
/// </summary>
/// <param name="storage">A <see cref="Trinity.Storage.LocalMemoryStorage"/> instance.</param>
/// <param name="CellId">The id of the specified cell.</param>
/// <param name="options">Specifies write-ahead logging behavior. Valid values are CellAccessOptions.StrongLogAhead(default) and CellAccessOptions.WeakLogAhead. Other values are ignored.</param>
/// <returns>A <see cref="t_Namespace.GenericCellAccessor"/> instance.</returns>
public unsafe ICellAccessor UseGenericCell(Trinity.Storage.LocalMemoryStorage storage, long CellId, CellAccessOptions options)
{
ushort type;
int size;
byte * cellPtr;
int entryIndex;
var err = storage.GetLockedCellInfo(CellId, out size, out type, out cellPtr, out entryIndex);
switch (err)
{
case TrinityErrorCode.E_SUCCESS:
break;
case TrinityErrorCode.E_CELL_NOT_FOUND:
{
if ((options & CellAccessOptions.ThrowExceptionOnCellNotFound) != 0)
{
Throw.cell_not_found(CellId);
}
else if ((options & CellAccessOptions.CreateNewOnCellNotFound) != 0)
{
throw new ArgumentException("CellAccessOptions.CreateNewOnCellNotFound is not valid for this method. Cannot determine new cell type.", "options");
}
else if ((options & CellAccessOptions.ReturnNullOnCellNotFound) != 0)
{
return(null);
}
else
{
Throw.cell_not_found(CellId);
}
break;
}
default:
throw new CellNotFoundException("Cannot access the cell.");
}
switch ((CellType)type)
{
/*FOREACH*/
case CellType.t_cell_name:
return(t_cell_name_Accessor.New(CellId, cellPtr, entryIndex, options));
/*END*/
default:
storage.ReleaseCellLock(CellId, entryIndex);
throw new CellTypeNotMatchException("Cannot determine cell type.");
}
;
}
/// <inheritdoc/>
public unsafe ICellAccessor UseGenericCell(Trinity.Storage.LocalMemoryStorage storage, long cellId, CellAccessOptions options)
{
ushort type;
int size;
byte * cellPtr;
int entryIndex;
var err = storage.GetLockedCellInfo(cellId, out size, out type, out cellPtr, out entryIndex);
switch (err)
{
case TrinityErrorCode.E_SUCCESS:
break;
case TrinityErrorCode.E_CELL_NOT_FOUND:
{
if ((options & CellAccessOptions.ThrowExceptionOnCellNotFound) != 0)
{
Throw.cell_not_found(cellId);
}
else if ((options & CellAccessOptions.CreateNewOnCellNotFound) != 0)
{
throw new ArgumentException("CellAccessOptions.CreateNewOnCellNotFound is not valid for this method. Cannot determine new cell type.", "options");
}
else if ((options & CellAccessOptions.ReturnNullOnCellNotFound) != 0)
{
return(null);
}
else
{
Throw.cell_not_found(cellId);
}
break;
}
default:
throw new CellNotFoundException("Cannot access the cell.");
}
try
{
return(UseGenericCell(cellId, cellPtr, entryIndex, type, options));
}
catch (Exception ex)
{
storage.ReleaseCellLock(cellId, entryIndex);
ExceptionDispatchInfo.Capture(ex).Throw();
// should never reach here
throw;
}
}
public unsafe ICell LoadGenericCell(Trinity.Storage.LocalMemoryStorage storage, long cellId)
{
ushort type;
int size;
byte * cellPtr;
int entryIndex;
var err = storage.GetLockedCellInfo(cellId, out size, out type, out cellPtr, out entryIndex);
if (err != TrinityErrorCode.E_SUCCESS)
{
throw new CellNotFoundException("Cannot access the cell.");
}
switch ((CellType)type)
{
case CellType.Movie:
var Movie_accessor = new Movie_Accessor(cellPtr);
var Movie_cell = (Movie)Movie_accessor;
storage.ReleaseCellLock(cellId, entryIndex);
Movie_cell.CellID = cellId;
return(Movie_cell);
break;
case CellType.Celebrity:
var Celebrity_accessor = new Celebrity_Accessor(cellPtr);
var Celebrity_cell = (Celebrity)Celebrity_accessor;
storage.ReleaseCellLock(cellId, entryIndex);
Celebrity_cell.CellID = cellId;
return(Celebrity_cell);
break;
default:
throw new CellTypeNotMatchException("Cannot determine cell type.");
}
}
