/// <summary>
/// Use the portal to spawn a new agent into the out flow.
/// </summary>
/// <returns>The agent that was added.</returns>
public Agent Enter()
{
Agent a = null;
if (Station != null)
{
// Spawn a new agent
a = ((Port)Station).Enter();
// Add it to the node and sort
ExternalIn.Add(a);
ExternalIn.Sort();
}
// Return it for the use by the graph
return(a);
}
/// <summary>
/// Flushes the external inflow to the outflow and inflow to the external outflow, then sorts the both queues.
/// </summary>
public new void Flush()
{
Agent a;
while (In.Count > 0)
{
a = In[0];
In.Remove(a);
ExternalOut.Add(a);
}
ExternalOut.Sort();
while (ExternalIn.Count > 0)
{
a = ExternalIn[0];
ExternalIn.Remove(a);
Out.Add(a);
}
Out.Sort();
}
