public static void CreateAllocation(Participant participant, ITrialDataContext context)
{
//try
//{
if (participant.TrialArm != RandomisationArm.NotSet)
{
throw new InvalidOperationException("participant.TrialArm must have a value of NotSet - use forceallocation if the allocation is pre-set");
}
var currentBlock = Get1stUnfilledBlock(participant, out RandomisationStrata strata, context);
BlockComponent component = currentBlock?.GetComponents();
if (currentBlock == null || context.Participants.Count(p => p.AllocationBlockId == currentBlock.Id) == component.TotalBlockSize())
{
currentBlock = CreateNewAllocationBlock(participant, strata, out component, context);
}
participant.AllocationBlockId = currentBlock.Id;
participant.Block = currentBlock;
participant.TrialArm = BlockRandomisation.NextAllocation(from p in context.Participants
where p.AllocationBlockId == currentBlock.Id
select p.TrialArm, component);
}
