[GridSim-users] help - packet scheduler

[Patrícia B. F. <pat...@ya...>]

I'm trying to 
implement another packet scheduler, but before I decided to do 
some tests.

I made the following changes in
 
class FIFOScheduler and ran the example: Network - example03.
FIFOScheduler.java

 

public
synchronized Packet deque()

    {

        if (pktList.size() == 0) {

            return null;

        }

 

     //  
Packet p = (Packet) pktList.remove(0); // original

            Packet p = (Packet)
pktList.remove(pktList.size()-1); // my test


            return p;

    }

It functioned without problems.

Then, I created a classe 
FIFOModifyScheduler with the same changes.
FIFOModifyScheduler.java

 

public
synchronized Packet deque()

    {

        if (pktList.size() == 0) {

            return null;

        }

 

     //  
Packet p = (Packet) pktList.remove(0); // original

            Packet p = (Packet)
pktList.remove(pktList.size()-1); // my test



            return p;

    }I ran, but it didn't function.

How do I implement the modified algorithm?

Regards,
Patrícia


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