internal LogAppendAsyncResult(LogRecordSequence recordSequence,
AsyncCallback callback,
object state)
: base(callback, state)
{
this.state = new LogReserveAndAppendState();
this.state.RecordSequence = recordSequence;
this.state.AsyncResult = this;
}
internal LogAppendAsyncResult(LogRecordSequence recordSequence,
AsyncCallback callback,
object state)
: base(callback, state)
{
this.state = new LogReserveAndAppendState();
this.state.RecordSequence = recordSequence;
this.state.AsyncResult = this;
}
public SequenceNumber ReserveAndAppend(
IList <ArraySegment <byte> > data,
SequenceNumber userRecord,
SequenceNumber previousRecord,
RecordAppendOptions recordAppendOptions,
ReservationCollection reservationCollection,
params long[] reservations)
{
long totalRecordSize;
LogReservationCollection lrc;
this.store.ValidateSequenceNumber(
ref userRecord,
SequenceNumberConstraint.Arbitrary,
"userRecord");
this.store.ValidateSequenceNumber(
ref previousRecord,
SequenceNumberConstraint.Arbitrary,
"previousRecord");
totalRecordSize = ValidateData(data);
lrc = ValidateReservationCollection(reservationCollection);
if (lrc == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(Error.ArgumentNull("reservationCollection"));
}
if (reservations == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(Error.ArgumentNull("reservations"));
}
ValidateReservations(reservations);
EnsureMarshalContext();
LogReserveAndAppendState state = new LogReserveAndAppendState();
state.RecordSequence = this;
state.Data = data;
state.TotalRecordSize = totalRecordSize;
state.UserLsn = userRecord.High;
state.PreviousLsn = previousRecord.High;
state.RecordAppendOptions = recordAppendOptions;
state.ReservationCollection = lrc;
state.Reservations = reservations;
state.Start();
return(new SequenceNumber(state.ResultLsn));
}
public SequenceNumber Append(
IList <ArraySegment <byte> > data,
SequenceNumber userRecord,
SequenceNumber previousRecord,
RecordAppendOptions recordAppendOptions,
ReservationCollection reservations)
{
long totalRecordSize;
LogReservationCollection lrc;
if ((this.store.Access & FileAccess.Write) == 0)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(Error.NotSupported(SR.NotSupported_ReadOnly));
}
if (recordAppendOptions > (RecordAppendOptions.ForceAppend | RecordAppendOptions.ForceFlush) ||
recordAppendOptions < RecordAppendOptions.None)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(Error.ArgumentOutOfRange("recordAppendOptions"));
}
this.store.ValidateSequenceNumber(
ref userRecord,
SequenceNumberConstraint.Arbitrary,
"userRecord");
this.store.ValidateSequenceNumber(
ref previousRecord,
SequenceNumberConstraint.Arbitrary,
"previousRecord");
totalRecordSize = ValidateData(data);
lrc = ValidateReservationCollection(reservations);
EnsureMarshalContext();
LogReserveAndAppendState state = new LogReserveAndAppendState();
state.RecordSequence = this;
state.Data = data;
state.TotalRecordSize = totalRecordSize;
state.UserLsn = userRecord.High;
state.PreviousLsn = previousRecord.High;
state.RecordAppendOptions = recordAppendOptions;
state.ReservationCollection = lrc;
state.Start();
return(new SequenceNumber(state.ResultLsn));
}