uk.ac.man.cs.rainbow.simulator
Class Simulator.Timer

java.lang.Object
  |
  +--uk.ac.man.cs.rainbow.simulator.Simulator.Timer

All Implemented Interfaces:

Serializable

Enclosing class:

Simulator

protected static final class Simulator.Timer

extends Object

implements Serializable

Queue of thread sets ordered by time.

See Also:

Serialized Form

Inner Class Summary

protected static class

Simulator.Timer.timeBucket Element of list of thread sets.

Constructor Summary

protected

Simulator.Timer()

Method Summary

protected void	add(RainbowThread thread, long wakeuptime) Add a thread to the bucket with the given wakeup time.
protected ThreadSet	getThreads() Get the set of threads that are waiting at the earliest time in the queue.
protected long	getTime() Get the time that the threads at the head of the chain are waiting until.
protected boolean	isEmpty() Test if there are no sets of threads at any time.
protected boolean	isPresent(RainbowThread thread) Test if the given thread is present in any of the sets in the queue.
protected long	remove(RainbowThread thread) Remove the given thread from whichever set it was stored in, and return the time it was waiting at.

Methods inherited from class java.lang.Object

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

Constructor Detail

Simulator.Timer

protected Simulator.Timer()

Method Detail

add

protected void add(RainbowThread thread,
                   long wakeuptime)

Add a thread to the bucket with the given wakeup time. Will create a new bucket if needed.

isEmpty

protected boolean isEmpty()

Test if there are no sets of threads at any time.

getTime

protected long getTime()

Get the time that the threads at the head of the chain are waiting until.

getThreads

protected ThreadSet getThreads()

Get the set of threads that are waiting at the earliest time in the queue.

isPresent

protected boolean isPresent(RainbowThread thread)

Test if the given thread is present in any of the sets in the queue.

remove

protected long remove(RainbowThread thread)

Remove the given thread from whichever set it was stored in, and return the time it was waiting at.

Returns:

The time the thread was waiting at, or Long.MIN_VALUE if it was not present anywhere in the list.