예제 #1
0
 internal LogAppendAsyncResult(LogRecordSequence recordSequence,
                               AsyncCallback callback,
                               object state)
     : base(callback, state)
 {
     this.state = new LogReserveAndAppendState();
     this.state.RecordSequence = recordSequence;
     this.state.AsyncResult = this;
 }
예제 #2
0
 internal LogAppendAsyncResult(LogRecordSequence recordSequence,
                               AsyncCallback callback,
                               object state)
     : base(callback, state)
 {
     this.state = new LogReserveAndAppendState();
     this.state.RecordSequence = recordSequence;
     this.state.AsyncResult    = this;
 }
예제 #3
0
        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));
        }
예제 #4
0
        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));
        }