Package uk.ac.manchester.spinnaker.messages.model

Class P2PTable

java.lang.Object

uk.ac.manchester.spinnaker.messages.model.P2PTable

public class P2PTable
extends Object

Represents a P2P routing table read from the machine.

Field Summary

Fields

Modifier and Type	Field	Description
@uk.ac.manchester.spinnaker.machine.ValidMachineHeight int	height	The height of the machine that this table represents.
@uk.ac.manchester.spinnaker.machine.ValidMachineWidth int	width	The width of the machine that this table represents.

Constructor Summary

Constructors

Constructor	Description
P2PTable(MachineDimensions dimensions, Collection<ByteBuffer> columnData)	Construct a routing table from data.

Method Summary

Modifier and Type	Method	Description
Set<ChipLocation>	getChips()
static int	getColumnOffset(int column)	Get the offset of the next column in the table from the P2P base address.
static int	getNumColumnBytes(int height)	Get the number of bytes to be read for each column of the table.
P2PTableRoute	getRoute(HasChipLocation chip)	Get the route to follow from this chip to the given chip.
boolean	isRoute(HasChipLocation chip)	Determines if there is a route in the P2P table to the given chip.

Methods inherited from class java.lang.Object

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

Field Details

width

@ValidMachineWidth public final @uk.ac.manchester.spinnaker.machine.ValidMachineWidth int width

The width of the machine that this table represents.

height

@ValidMachineHeight public final @uk.ac.manchester.spinnaker.machine.ValidMachineHeight int height

The height of the machine that this table represents.

Constructor Details

P2PTable

public P2PTable(MachineDimensions dimensions, Collection<ByteBuffer> columnData)

Construct a routing table from data.

Parameters:

dimensions - The size of the machine.

columnData - The routing data to parse.

Method Details

getNumColumnBytes

public static int getNumColumnBytes(int height)

Get the number of bytes to be read for each column of the table.

Parameters:

height - The height of the machine

Returns:

The number of bytes for the column

getColumnOffset

public static int getColumnOffset(int column)

Get the offset of the next column in the table from the P2P base address.

Parameters:

column - The column to be read

Returns:

Where the column is located within the table.

getChips

public Set<ChipLocation> getChips()

Returns:

The coordinates of chips in the table.

isRoute

public boolean isRoute(HasChipLocation chip)

Determines if there is a route in the P2P table to the given chip.

Parameters:

chip - The coordinates of the chip to look up.

Returns:

True if anything in the table routes to the chip.

getRoute

public P2PTableRoute getRoute(HasChipLocation chip)

Get the route to follow from this chip to the given chip.

Parameters:

chip - The coordinates of the chip to find the route to

Returns:

Get the route descriptor for a chip.