public class Table extends Constraint implements UsesQueueVariable, Stateful
"Compact-Table: Efficient Filtering Table Constraints with Reversible Sparse Bit-Sets" Jordan Demeulenaere, Renaud Hartert, Christophe Lecoutre, Guillaume Perez, Laurent Perron, Jean-Charles ReĢgin, Pierre Schaus. Proc. International Conference on Principles and Practice of Constraint Programming, CP 2016. pp 207-223
Modifier and Type | Field and Description |
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int[][] |
tuple
Tuples specifying the allowed values
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IntVar[] |
x
Variables within the scope of table constraint
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atomicExecution, consistencyPruningEvents, constraintScope, earlyTerminationOK, increaseWeight, numberId, scope, trace
queueIndex
Constructor and Description |
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Table(IntVar[] list,
int[][] tuples)
It constructs a table constraint.
|
Table(IntVar[] list,
int[][] tuples,
boolean reuseTuplesArgument)
It constructs a table constraint.
|
Modifier and Type | Method and Description |
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void |
consistency(Store store)
It is a (most probably incomplete) consistency function which removes the
values from variables domains.
|
int |
getDefaultConsistencyPruningEvent() |
void |
impose(Store store)
It imposes the constraint in a given store.
|
void |
queueVariable(int level,
Var v)
This is a function called to indicate which variable in a scope of
constraint has changed.
|
void |
removeLevel(int level)
This function is called in case of the backtrack, so a constraint can
clear the queue of changed variables which is no longer valid.
|
String |
toString()
It produces a string representation of a constraint state.
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afc, arguments, cleanAfterFailure, decompose, getConsistencyPruningEvent, getGuideConstraint, getGuideValue, getGuideVariable, grounded, grounded, id, impose, imposeDecomposition, increaseWeight, intArrayToString, long2int, numberArgs, removeConstraint, requiresMonotonicity, setConsistencyPruningEvent, setConstraintScope, setScope, setScope, setScope, setScope, setScope, setWatchedVariableGrounded, supplyGuideFeedback, updateAFC, watchedVariableGrounded
auxiliaryVariables, checkInput, checkInput, checkInputForDuplication, checkInputForDuplicationSkipSingletons, checkInputForNullness, checkInputForNullness, checkInputForNullness, derivative, getDubletonsSkipSingletons, imposeDecomposition
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
isStateful
public IntVar[] x
public int[][] tuple
public Table(IntVar[] list, int[][] tuples)
list
- the variables in the scope of the constraint.tuples
- the tuples which define alloed values.public Table(IntVar[] list, int[][] tuples, boolean reuseTuplesArgument)
list
- the variables in the scope of the constraint.tuples
- the tuples which define alloed values.reuseTuplesArgument
- specifies if the table of tuples should be used directly without copying.public int getDefaultConsistencyPruningEvent()
getDefaultConsistencyPruningEvent
in class Constraint
public void impose(Store store)
Constraint
impose
in class Constraint
store
- the constraint store to which the constraint is imposed to.public void consistency(Store store)
Constraint
consistency
in class Constraint
store
- constraint store within which the constraint consistency is being checked.public void queueVariable(int level, Var v)
Constraint
queueVariable
in class Constraint
level
- the level of the store at which the change has occurred.v
- variable which has changed.public void removeLevel(int level)
Stateful
removeLevel
in interface Stateful
level
- the level which is being removed.public String toString()
Constraint
toString
in class Constraint
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