// weights.put(Distribution.BEG, new BeginWeight());
// weights.put(Distribution.END, new EndWeight());
// weights.put(Distribution.MID, new MidWeight());
/// <summary>Determines how many initial operations a given operation data should have
/// </summary>
/// <param name="totalAm">the total amount of operations allowed</param>
/// <param name="opData">the given operation information (with a valid percentage >= 0)
/// </param>
/// <returns>the number of items to allow to run</returns>
/// <exception cref="System.ArgumentException">if negative operations are determined</exception>
internal static int DetermineHowMany(int totalAm, OperationData opData, Constants.OperationType
type)
{
if (totalAm <= 0)
{
return(0);
}
int amLeft = (int)Math.Floor(opData.GetPercent() * totalAm);
if (amLeft < 0)
{
throw new ArgumentException("Invalid amount " + amLeft + " determined for operation type "
+ type.ToString());
}
return(amLeft);
}
public _Observer_138(WeightSelector _enclosing, Constants.OperationType type)
{
this._enclosing = _enclosing;
this.type = type;
}
/// <summary>Gets an operation instance (cached) for a given operation type</summary>
/// <param name="type">the operation type to fetch for</param>
/// <returns>Operation operation instance or null if it can not be fetched.</returns>
internal virtual Operation GetOperation(Constants.OperationType type)
{
Operation op = typedOperations[type];
if (op != null)
{
return(op);
}
switch (type)
{
case Constants.OperationType.Read:
{
op = new ReadOp(this.config, rnd);
break;
}
case Constants.OperationType.Ls:
{
op = new ListOp(this.config, rnd);
break;
}
case Constants.OperationType.Mkdir:
{
op = new MkdirOp(this.config, rnd);
break;
}
case Constants.OperationType.Append:
{
op = new AppendOp(this.config, rnd);
break;
}
case Constants.OperationType.Rename:
{
op = new RenameOp(this.config, rnd);
break;
}
case Constants.OperationType.Delete:
{
op = new DeleteOp(this.config, rnd);
break;
}
case Constants.OperationType.Create:
{
op = new CreateOp(this.config, rnd);
break;
}
case Constants.OperationType.Truncate:
{
op = new TruncateOp(this.config, rnd);
break;
}
}
typedOperations[type] = op;
return(op);
}
