public static CompositionPlan Move(this CompositionPlan compositionPlan,
CompositionPlan gBest, PsoConfig psoConfig, List <TaskCandidateService> taskCandidateServices)
{
int columnsToBeMaskedLocally = (int)(compositionPlan.TaskServices.Count * psoConfig.C1);
int columnsToBeMaskedGlobally = compositionPlan.TaskServices.Count - columnsToBeMaskedLocally;
Random r = new Random();
int mod = DateTime.Now.Millisecond % 2;
bool directionLtr = mod == 1;
compositionPlan.MoveTowardParticle(compositionPlan.PBest, columnsToBeMaskedLocally, directionLtr);
compositionPlan.MoveTowardParticle(gBest, columnsToBeMaskedGlobally, !directionLtr);
compositionPlan.UpdatePBest(psoConfig);
return(compositionPlan);
}
public static CompositionPlan Move(this CompositionPlan compositionPlan,
CompositionPlan gBest, DpsoConfig DpsoConfig, List <TaskCandidateService> taskCandidateServices)
{
double mut = (double)1 / DpsoConfig.Tasks.Count;
Random r = new Random();
foreach (TaskService taskService in compositionPlan.TaskServices)
{
double rand1 = (double)r.Next(0, 100) / 100;
if (rand1 < mut)
{
List <WebService> webServices = taskCandidateServices
.First(t => t.Task.Equals(taskService.Task)).WebServices;
int randomIndex = r.Next(0, webServices.Count - 1);
//if (taskService.WebService != webServices[randomIndex])
//{
taskService.WebService = webServices[randomIndex];
//}
}
else
if (rand1 < DpsoConfig.Omega)
{
break;
}
else if (rand1 < DpsoConfig.C1 + DpsoConfig.Omega)
{
taskService.WebService = compositionPlan.PBest.TaskServices
.First(t => t.Task.Equals(taskService.Task)).WebService;
}
else
{
taskService.WebService = gBest.TaskServices
.First(t => t.Task.Equals(taskService.Task)).WebService;
}
}
compositionPlan.UpdatePBest(DpsoConfig);
return(compositionPlan);
}
