Ejemplo n.º 1
0
        internal ExecutionPlan(IList <CommandBinder> binders)
        {
            Contract.Assert(binders.Any(), "Execution plan needs a list of binders, one per command line.");

            _binders         = binders;
            Headers          = binders.Select(l => l.Header.Value).ToArray();
            IsTransaction    = Headers.Contains("MULTI", StringComparer.Ordinal);
            HasScripts       = Headers.Contains("EVALSHA", StringComparer.Ordinal);
            ContextOperation = ExecutionContextOperation.Parse(Headers);
        }
Ejemplo n.º 2
0
        internal static ExecutionContextOperation Parse(String[] headers)
        {
            var op = new ExecutionContextOperation();

            foreach (var header in headers)
            {
                switch (header)
                {
                case "WATCH":
                    op.OpensWatch = true;
                    break;

                case "UNWATCH":
                    op.ClosesWatch = true;
                    op.OpensWatch  = false;
                    break;

                case "MULTI":
                    op.OpensTransaction = true;
                    break;

                case "EXEC":
                case "DISCARD":
                    op.ClosesTransaction = true;
                    op.ClosesWatch       = true;
                    op.OpensTransaction  = false;
                    op.OpensWatch        = false;
                    break;

                case "BLPOP":
                case "BRPOP":
                case "BRPOPLPUSH":
                    if (!op.OpensTransaction)         // blocking commands inside transactions
                    {
                        op.HasBlockingCommand = true; // behaves as non blocking
                    }
                    break;
                }
            }
            return(op);
        }
Ejemplo n.º 3
0
 internal void Apply(ExecutionContextOperation next)
 {
     IsTransactionOngoing = (IsTransactionOngoing && !next.ClosesTransaction) || next.OpensTransaction;
     IsWatchOnGoing       = (IsWatchOnGoing && !next.ClosesWatch) || next.OpensWatch;
 }