Package uk.ac.manchester.spinnaker.alloc.allocator

Class Epochs

java.lang.Object

uk.ac.manchester.spinnaker.alloc.allocator.Epochs

@Service
public class Epochs
extends Object

Manages waiting for values.

Author:

Donal Fellows, Andrew Rowley

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
class	Epochs.Epoch	A waitable epoch checkpoint.

Constructor Summary

Constructors

Constructor	Description
Epochs()

Method Summary

Modifier and Type	Method	Description
void	blacklistChanged(int board)	Indicate a change in a blacklist.
Epochs.Epoch	getBlacklistEpoch(int boardId)	Get a blacklist epoch for a board.
Epochs.Epoch	getJobsEpoch(int jobId)	Get a job epoch for a job.
Epochs.Epoch	getJobsEpoch(List<Integer> jobIds)	Get a job epoch for a list of jobs.
Epochs.Epoch	getMachineEpoch(int machineId)	Get a machine epoch for a machine.
Epochs.Epoch	getMachinesEpoch(List<Integer> machineIds)	Get a machine epoch for a set of machines.
void	jobChanged(int job)	Indicate a change in a job.
void	machineChanged(int machine)	Indicate a change in a machine.

Methods inherited from class java.lang.Object

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

Constructor Details

Epochs

public Epochs()

Method Details

getJobsEpoch

public Epochs.Epoch getJobsEpoch(int jobId)

Get a job epoch for a job.

Parameters:

jobId - The job identifier.

Returns:

The epoch handle.

getJobsEpoch

public Epochs.Epoch getJobsEpoch(List<Integer> jobIds)

Get a job epoch for a list of jobs.

Parameters:

jobIds - The job identifiers.

Returns:

The epoch handle.

jobChanged

public void jobChanged(int job)

Indicate a change in a job. Will wake any thread waiting on changes to the job epoch with waitForChange() on a Epoch handle.

Parameters:

job - The job that has changed

getMachineEpoch

public Epochs.Epoch getMachineEpoch(int machineId)

Get a machine epoch for a machine.

Parameters:

machineId - The identifier of the machine.

Returns:

The epoch handle.

getMachinesEpoch

public Epochs.Epoch getMachinesEpoch(List<Integer> machineIds)

Get a machine epoch for a set of machines.

Parameters:

machineIds - The identifiers of the machine.

Returns:

The epoch handle.

machineChanged

public void machineChanged(int machine)

Indicate a change in a machine. Will wake any thread waiting on changes to the machine epoch with waitForChange() on a Epoch handle.

Parameters:

machine - The machine that has changed

getBlacklistEpoch

public Epochs.Epoch getBlacklistEpoch(int boardId)

Get a blacklist epoch for a board.

Parameters:

boardId - The id of the board.

Returns:

The epoch handle.

blacklistChanged

public void blacklistChanged(int board)

Indicate a change in a blacklist. Will wake any thread waiting on changes to the blacklist epoch with waitForChange() on a Epoch handle.

Parameters:

board - The board that has changed.