jopt.csp.spi.arcalgorithm.graph.arc.generic
Class GenericNumSummationReflexArc

java.lang.Object
  jopt.csp.spi.arcalgorithm.graph.arc.AbstractArc
      jopt.csp.spi.arcalgorithm.graph.arc.generic.GenericArc
          jopt.csp.spi.arcalgorithm.graph.arc.generic.GenericNumSummationReflexArc

All Implemented Interfaces:

Arc, NumArc, NumConstants

public class GenericNumSummationReflexArc

extends GenericArc

implements NumArc

Arc representing summation(Zi, i in [1..100]) < A etc.

Field Summary

Fields inherited from interface jopt.csp.spi.arcalgorithm.graph.arc.Arc

BINARY, GENERIC, HYPER, NODE, SCHEDULE

Fields inherited from interface jopt.csp.spi.util.NumConstants

ADD, DIVIDE, DIVIDE_BY, DIVIDE_BY_CEIL, DIVIDE_BY_FLOOR, DIVIDE_CEIL, DIVIDE_FLOOR, DOUBLE, DOUBLE_NEG_INF, DOUBLE_POS_INF, DOUBLE_ZERO, EQ, FLOAT, FLOAT_NEG_INF, FLOAT_POS_INF, FLOAT_ZERO, GEQ, GT, HALF_PI, INTEGER, INTEGER_MAX, INTEGER_MIN, INTEGER_ZERO, LEQ, LONG, LONG_MAX, LONG_MIN, LONG_ZERO, LT, MULTIPLY, NEQ, ONE_AND_HALF_PI, PI, RANGE, SUBTRACT, SUBTRACT_FROM, TWO_PI

Constructor Summary

GenericNumSummationReflexArc(GenericNumConstant a, GenericNumNode z, int nodeType, int arcType, GenericIndex[] indexRange, jopt.csp.variable.CspGenericIndexRestriction sourceIdxRestriction)
Constructor

GenericNumSummationReflexArc(Node a, GenericNumNode z, int nodeType, int arcType, GenericIndex[] indexRange, jopt.csp.variable.CspGenericIndexRestriction sourceIdxRestriction)
Constructor

GenericNumSummationReflexArc(java.lang.Number a, GenericNumNode z, int nodeType, int arcType, GenericIndex[] indexRange, jopt.csp.variable.CspGenericIndexRestriction sourceIdxRestriction)
Constructor

Method Summary

void	propagate() Attempts to reduce values in target node domain based on values in all source nodes
void	propagate(Node src) Attempts to reduce values in target node domain based on values in given source node

Methods inherited from class jopt.csp.spi.arcalgorithm.graph.arc.generic.GenericArc

getArcType, getComplexity, getSourceDependencies, getSourceNodes, getTargetNodes

Methods inherited from class jopt.csp.spi.arcalgorithm.graph.arc.AbstractArc

setAlgorithmStrength, setUseDomainDeltas

Methods inherited from class java.lang.Object

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

Methods inherited from interface jopt.csp.spi.arcalgorithm.graph.arc.Arc

getArcType, getComplexity, setAlgorithmStrength, setUseDomainDeltas

Constructor Detail

GenericNumSummationReflexArc

public GenericNumSummationReflexArc(Node a,
                                    GenericNumNode z,
                                    int nodeType,
                                    int arcType,
                                    GenericIndex[] indexRange,
                                    jopt.csp.variable.CspGenericIndexRestriction sourceIdxRestriction)

Constructor

Parameters:

a - A variable in equation

z - Z variable in equation

nodeType - Node variable type (Integer, Long, Float, Decimal)

arcType - Arc relation type (Eq, Lt, Gt, etc.)

indexRange - Array of indices that summation is over

sourceIdxRestriction - Optional restriction of values placed on source index ranges

GenericNumSummationReflexArc

public GenericNumSummationReflexArc(java.lang.Number a,
                                    GenericNumNode z,
                                    int nodeType,
                                    int arcType,
                                    GenericIndex[] indexRange,
                                    jopt.csp.variable.CspGenericIndexRestriction sourceIdxRestriction)

Constructor

Parameters:

a - A variable in equation

z - Z variable in equation

nodeType - Node variable type (Integer, Long, Float, Decimal)

arcType - Arc relation type (Eq, Lt, Gt, etc.)

indexRange - Array of indices that summation is over

sourceIdxRestriction - Optional restriction of values placed on source index ranges

GenericNumSummationReflexArc

public GenericNumSummationReflexArc(GenericNumConstant a,
                                    GenericNumNode z,
                                    int nodeType,
                                    int arcType,
                                    GenericIndex[] indexRange,
                                    jopt.csp.variable.CspGenericIndexRestriction sourceIdxRestriction)

Constructor

Parameters:

a - A variable in equation

z - Z variable in equation

nodeType - Node variable type (Integer, Long, Float, Decimal)

arcType - Arc relation type (Eq, Lt, Gt, etc.)

indexRange - Array of indices that summation is over

sourceIdxRestriction - Optional restriction of values placed on source index ranges

Method Detail

propagate

public void propagate()
               throws jopt.csp.variable.PropagationFailureException

Description copied from interface: Arc

Attempts to reduce values in target node domain based on values in all source nodes

Specified by:

propagate in interface Arc

Throws:

jopt.csp.variable.PropagationFailureException - If domain of target node becomes empty

propagate

public void propagate(Node src)
               throws jopt.csp.variable.PropagationFailureException

Description copied from interface: Arc

Attempts to reduce values in target node domain based on values in given source node

Specified by:

propagate in interface Arc

Parameters:

src - Source node that caused propagation to occur

Throws:

jopt.csp.variable.PropagationFailureException - If domain of target node becomes empty