nextPendingEvent.m

%>>>nextPendingEvent 
%This function extracts the next event from the list of pending
%events giving the parameters of this event. 
%
%>>>The input is:
%
% 1) listOfPendingEvents: list of pending events where the first column is
%    the type of event, the second column is the arrived/end time of the flow
%    and the third column is the serial number of the flow.
%
%>>>The outputs are:
%
% 1) eventType: type of event belonging to the next pending event. If Its an 
%    arrived event, eventType is '0'. If Its an end event, eventType is '1'.
%
% 2) eventTime: arrived/end time belonging to the next pending event.
%
% 3) serialNumber: serial number of the next flow.
%


function [eventType , eventTime , serialNumber] = nextPendingEvent(listOfPendingEvents)

if isempty(listOfPendingEvents)
    error('There arent any pending events');
else
    eventType=listOfPendingEvents(1,1);
    eventTime=listOfPendingEvents(1,2);    
    serialNumber=listOfPendingEvents(1,3);
end