private void FireReadyJobs()
{
var items = m_items;
var itemStatus = m_itemStatus;
lock (m_itemStatus)
{
// loop over all items
for (int a = 0; a < itemStatus.Length; a++)
{
// only consider items that are waiting
var status = itemStatus[a];
if (status != ItemStatus.Waiting)
{
continue;
}
int aoff = a * items.Length;
bool canARun = true;
// compare to all other items; can this be run?
for (int b = 0; b < itemStatus.Length; b++)
{
if (a == b)
{
continue;
}
var bstatus = itemStatus[b];
var order = m_order[aoff + b];
if (order == ScheduleOrder.AnyOrderConcurrent)
{
continue;
}
if (order == ScheduleOrder.RunAfter) // A has to run after B
{
if (bstatus != ItemStatus.Done)
{
canARun = false;
break;
}
continue;
}
if (order == ScheduleOrder.RunBefore) // A has to run before B
{
continue;
}
if (order == ScheduleOrder.AnyOrderNotConcurrent)
{
if (bstatus == ItemStatus.Running)
{
canARun = false;
break;
}
}
}
if (canARun)
{
// YES! Run this item
var item = items[a];
itemStatus[a] = ItemStatus.Running;
JobService.Enqueue(item.Name, RunItem, item);
}
}
}
}