JaCoP.constraints.netflow
Interface MutableNetwork

All Known Implementing Classes:

Network, Pruning

public interface MutableNetwork

Interface to the network used by VarHandlers.

Version:

3.1

Author:

Robin Steiger and Radoslaw Szymanek

Method Summary

void	changeCostOffset(long delta) Changes the cost offset by some value.
int	getStoreLevel() Retrieves the current store level for domain pruning.
void	modified(ArcCompanion companion) Tells the network that an arc has been modified.
void	remove(Arc arc) Removes an arc from the network.

Method Detail

remove

void remove(Arc arc)

Removes an arc from the network. The arc must be at its lower or upper bound before it can be removed.

Parameters:

arc - The arc to be removed

modified

void modified(ArcCompanion companion)

Tells the network that an arc has been modified. The network will then restore the arc upon backtracking.

Parameters:

companion - The arc that was modified

getStoreLevel

int getStoreLevel()

Retrieves the current store level for domain pruning.

Returns:

the store level

changeCostOffset

void changeCostOffset(long delta)

Changes the cost offset by some value.

Parameters:

delta - the change in cost