Class Hierarchy

Index of all Fields and Methods

A

add(Job, int). Method in class DiskScheduler: Add a new job wanting service.
add(Job, int). Method in class RRScheduler: Add a new job wanting service.
add(Job, int). Method in class Scheduler: Add a new job wanting service.
add(Job, int). Method in class XQ1Scheduler: Add a new job wanting service.
add(Job, int). Method in class XQ2Scheduler: Add a new job wanting service.
assert(boolean). Static method in class Sim: Crude assertion checking

BLOCKED. Static variable in class Job: Job needs to do an I/O operation next
BLOCKSIZE. Static variable in class Sim: The size of a disk block, in bytes
burst. Variable in class Job: size of current burst
burstStart. Variable in class Job: time when current burst started (job "arrived" at the cpu queue)

db(int, Object, Object). Static method in class Sim
db(int, Object, Object, Object). Static method in class Sim
db(int, Object, Object, Object, Object). Static method in class Sim
db(int, Object, Object, Object, Object, Object). Static method in class Sim
db(int, Object, Object, Object, Object, Object, int). Static method in class Sim
db(int, String). Static method in class Sim: Print msg if verbosity >= level
db(String). Static method in class Sim: Print msg unconditionally
DISK_TIME. Static variable in class Sim: The amount of time it takes for a disk operation
DiskScheduler(). Constructor for class DiskScheduler
doIO(). Method in class Job: Called when this Job does an I/O operation
DONE. Static variable in class Job: Job has completed

nextBurst(). Method in class Job: Return the amount of CPU time remaining for this job until it next does I/O, or completes.
nextInterrupt(). Method in class Device: Retrieve the time when the next interrupt will occur
now(). Static method in class Sim

ODD_BURST_PROB. Static variable in class Sim: Probability of an "unusual" CPU burst (see Job.newBurst())

pl(String). Static method in class Sim: Print msg unconditionally without the header
printQueue(). Method in class DiskScheduler: For debugging: print the queue of waiting jobs
printQueue(). Method in class RRScheduler: For debugging: print the queue of waiting jobs
printQueue(). Method in class Scheduler: For debugging: print the queue of waiting jobs
printQueue(). Method in class XQ1Scheduler: For debugging: print the queue of waiting jobs
printQueue(). Method in class XQ2Scheduler: For debugging: print the queue of waiting jobs
printStats(). Method in class Device: Print information about this device
printStats(). Method in class Scheduler: Print statistics about the history of this queue.
Proj3(). Constructor for class Proj3

QUANTUM. Static variable in class Sim: The quantum for round-robin scheduling
queueChanged(int). Method in class Scheduler: This method should be called by a subclass whenever the queue length changes.

READY. Static variable in class Job: Job is ready to run
record(double). Method in class Stats
remove(). Method in class DiskScheduler: Retrieve (and remove) the next job to be served.
remove(). Method in class RRScheduler: Retrieve (and remove) the next job to be served.
remove(). Method in class Scheduler: Retrieve (and remove) the next job to be served.
remove(). Method in class XQ1Scheduler: Retrieve (and remove) the next job to be served.
remove(). Method in class XQ2Scheduler: Retrieve (and remove) the next job to be served.
reschedule(int). Method in class DiskScheduler: This method is called when there is a clock interrupt, and just after a call to schedule().
reschedule(int). Method in class RRScheduler: This method is called when there is a clock interrupt.
reschedule(int). Method in class Scheduler: This method is called when there is a clock interrupt.
reschedule(int). Method in class XQ1Scheduler: This method is called when there is a clock interrupt.
reschedule(int). Method in class XQ2Scheduler: This method is called when there is a clock interrupt.
RRScheduler(). Constructor for class RRScheduler

Scheduler(). Constructor for class Scheduler
Sim(). Constructor for class Sim
start(). Method in class Job: Called when this Job is started running on the CPU
start(Job, int). Method in class CPU: Start the device running.
start(Job, int). Method in class Device: Start the device running job j.
start(Job, int). Method in class JobArrival: Read the next (or first) job description from the input file, skipping molformed lines, and make it the current job, with a simulated interrupt occurring at the arrival time of the job.
state(). Method in class Job: What is the current state of this Job?
Stats(). Constructor for class Stats
stop(). Method in class Device: Stop the device, and return the Job currently running.
stop(). Method in class Job: Called when this Job is removed from the CPU
SWAP_OVERHEAD. Static variable in class Sim: Penalty for starting and stopping a process.

tod(int). Static method in class Sim: Convert a time-stamp from ms to time of day in the format h:mm:ss.mmm This used to be written more "cleanly", but it turned out to consume a huge fraction of the entire time taken by the program, so it was re-written to avoid allocating and concatenating Strings until the very end.
toString(). Method in class Device: For debugging, information about this device
toString(). Method in class Job: for debugging: a string version of this job
toString(). Method in class JobStats
toString(). Method in class Stats
traceFlag. Static variable in class Sim: Trace flag:

verbosity. Static variable in class Sim: Flag to control the verbosity of debugging output.