org.xnap.transfer
Class TransferQueue

java.lang.Object
  org.xnap.transfer.TransferQueue

public class TransferQueue
extends java.lang.Object

This class manages transfers in a queue and notifies transfers when they are scheduled to start.

Field Summary

static int

RESORT_INTERVAL

Constructor Summary

TransferQueue()

TransferQueue(int maxSlots)

Method Summary

int	add(Queueable item) Adds item to the queue.
double	calculatePriority(Queueable item)
int	getFreeSlots() Returns the number of free slots.
boolean	remove(Queueable item) Removes item from the queue and updates the position of all tail items.
void	resort()
void	setMaxSlots(int maxSlots) Sets the number of slots to maxSlots.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

RESORT_INTERVAL

public static int RESORT_INTERVAL

Constructor Detail

TransferQueue

public TransferQueue(int maxSlots)

TransferQueue

public TransferQueue()

Method Detail

add

public int add(Queueable item)

Adds item to the queue.

Returns:

the queue position

calculatePriority

public double calculatePriority(Queueable item)

remove

public boolean remove(Queueable item)

Removes item from the queue and updates the position of all tail items.

Returns:

true, if item was removed; false, if item was not in queue

getFreeSlots

public int getFreeSlots()

Returns the number of free slots.

setMaxSlots

public void setMaxSlots(int maxSlots)

Sets the number of slots to maxSlots.

resort

public void resort()