/// <summary>
/// Creates a <see cref="SystematicStrategy"/> from the specified configuration.
/// </summary>
internal static SystematicStrategy Create(Configuration configuration, IRandomValueGenerator generator)
{
SystematicStrategy strategy = null;
if (configuration.SchedulingStrategy is "replay")
{
strategy = new ReplayStrategy(configuration);
}
else if (configuration.SchedulingStrategy is "random")
{
strategy = new RandomStrategy(configuration.MaxFairSchedulingSteps, generator);
}
else if (configuration.SchedulingStrategy is "pct")
{
strategy = new PCTStrategy(configuration.MaxUnfairSchedulingSteps, configuration.StrategyBound, generator);
}
else if (configuration.SchedulingStrategy is "fairpct")
{
var prefixLength = configuration.SafetyPrefixBound is 0 ?
configuration.MaxUnfairSchedulingSteps : configuration.SafetyPrefixBound;
var prefixStrategy = new PCTStrategy(prefixLength, configuration.StrategyBound, generator);
var suffixStrategy = new RandomStrategy(configuration.MaxFairSchedulingSteps, generator);
strategy = new ComboStrategy(prefixStrategy, suffixStrategy);
}
else if (configuration.SchedulingStrategy is "probabilistic")
{
strategy = new ProbabilisticRandomStrategy(configuration.MaxFairSchedulingSteps,
configuration.StrategyBound, generator);
}
else if (configuration.SchedulingStrategy is "rl")
{
strategy = new QLearningStrategy(configuration.MaxUnfairSchedulingSteps, generator);
}
else if (configuration.SchedulingStrategy is "dfs")
{
strategy = new DFSStrategy(configuration.MaxUnfairSchedulingSteps);
}
if (configuration.SchedulingStrategy != "replay" &&
configuration.ScheduleFile.Length > 0)
{
strategy = new ReplayStrategy(configuration, strategy);
}
return(strategy);
}