java.lang.Object
- org.jacop.core.Domain
- - org.jacop.core.IntDomain
  - - org.jacop.core.SmallDenseDomain

All Implemented Interfaces:

java.lang.Cloneable
```
public class SmallDenseDomain
extends IntDomain
implements java.lang.Cloneable
```
Defines small dense domain based on bits within a long number.

Version:

4.8

Field Summary

Fields
Modifier and Type	Field	Description
`long`	`bits`	It stores information about presence of the elements in the domain.
`static SmallDenseDomain`	`emptyDomain`	It is an empty domain returned by default when empty domain becomes a result of any function.
`(package private) long`	`first8`
`private static java.util.Random`	`generator`
`private int`	`max`
`int`	`min`	The minimal value present in this domain encoding.
`private static long[]`	`SEQ_ARRAY`
`private boolean`	`singleton`
`private int`	`size`
`private static long[]`	`TWO_N_ARRAY`

Fields inherited from class org.jacop.core.IntDomain
ANY, BOUND, BoundDomainID, emptyIntDomain, eventsInclusion, GROUND, IntervalDomainID, MaxInt, MinInt, previousDomain, SmallDenseDomainID

Fields inherited from class org.jacop.core.Domain
failException, modelConstraints, modelConstraintsToEvaluate, NOINFO, NONE, searchConstraints, searchConstraintsCloned, searchConstraintsToEvaluate, stamp

Constructor Summary

Constructors
Constructor	Description
`SmallDenseDomain()`	It creates an empty domain.
`SmallDenseDomain(int min, int max)`	It creates a domain with values between min and max inclusive.
`SmallDenseDomain(int min, long bits)`	It creates a domain of type small dense.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`private void`	`adaptMin()`
`void`	`addDom(IntDomain domain)`	It adds values as specified by the parameter to the domain.
`java.lang.String`	`checkInvariants()`	It checks if the domain has correct state.
`void`	`clear()`	It removes all elements.
`Domain`	`clone()`	It clones the domain object.
`SmallDenseDomain`	`cloneLight()`	It clones the domain object, only data responsible for encoding domain values is cloned.
`IntDomain`	`complement()`	It creates a complement of a domain.
`boolean`	`contains(int value)`	It checks if value belongs to the domain.
`boolean`	`contains(int min, int max)`	It checks if an interval min..max belongs to the domain.
`boolean`	`contains(IntDomain domain)`	It specifies if the current domain contains the domain given as a parameter.
`int`	`domainID()`	It returns an unique identifier of the domain.
`boolean`	`eq(IntDomain domain)`	It specifies if the other int domain is equal to this one.
`int`	`getElementAt(int index)`	It access the element at the specified position.
`Interval`	`getInterval(int position)`	It returns required interval.
`IntDomain`	`getPreviousDomain()`	It returns domain at earlier level at which the change has occurred.
`int`	`getRandomValue()`	It returns a random value from the domain.
`int`	`getSize()`	It returns the size of the domain.
`int`	`getSize(long input)`	It computes the number of 1's in the binary representation of the number given in the field input.
`void`	`in(int storeLevel, Var var, int min, int max)`	It updates the domain to have values only within the interval min..max.
`void`	`in(int storeLevel, Var var, long domain)`
`void`	`in(int storeLevel, Var var, IntDomain domain)`	It updates the domain to have values only within the domain.
`void`	`inComplement(int storeLevel, Var var, int complement)`	It updates the domain to not contain the value complement.
`void`	`inComplement(int storeLevel, Var var, int minComplement, int maxComplement)`	It updates the domain so it does not contain the supplied interval.
`void`	`inMax(int storeLevel, Var var, int max)`	It updates the domain according to the maximum value and stamp value.
`void`	`inMin(int storeLevel, Var var, int min)`	It updates the domain according to the minimum value and stamp value.
`void`	`inShift(int storeLevel, Var var, IntDomain domain, int shift)`	It updates the domain to contain the elements as specifed by the domain, which is shifted.
`IntDomain`	`intersect(int min, int max)`	In intersects current domain with the interval min..max.
`IntDomain`	`intersect(IntDomain domain)`	It intersects current domain with the one given as a parameter.
`SmallDenseDomain`	`intersect(IntervalDomain input, int shift)`
`int`	`intersectAdapt(int min, int max)`	It computes an intersection of this domain with an interval [min..max].
`int`	`intersectAdapt(IntDomain domain)`	It computes an intersection with a given domain and stores it in this domain.
`IntervalEnumeration`	`intervalEnumeration()`	It returns interval enumeration of the domain values.
`boolean`	`isEmpty()`	It returns true if given domain is empty.
`boolean`	`isIntersecting(int min, int max)`	It checks if interval min..max intersects with current domain.
`boolean`	`isIntersecting(IntDomain domain)`	Checks if two domains intersect.
`boolean`	`isNumeric()`	It specifies if domain is a finite domain of numeric values (integers).
`boolean`	`isSparseRepresentation()`	It specifies if the domain type is more suited to representing sparse domain.
`int`	`leftElement(int intervalNo)`	It returns the left most element of the given interval.
`int`	`max()`	It returns the maximum value in a domain.
`int`	`min()`	It returns the minimum value in a domain.
`int`	`nextValue(int value)`	It gives next value in the domain from the given one (lexigraphical ordering).
`int`	`noIntervals()`	It returns number of intervals required to represent this domain.
`int`	`previousValue(int value)`	It gives previous value in the domain from the given one (lexigraphical ordering).
`IntDomain`	`recentDomainPruning(int storeLevel)`	It returns the values which have been removed at current store level.
`void`	`removeLevel(int level, Var var)`	It removes the specified level.
`int`	`rightElement(int intervalNo)`	It returns the right most element of the given interval.
`void`	`setDomain(int min, int max)`	It sets this domain to contain exactly all values between min and max.
`void`	`setDomain(IntDomain domain)`	It sets the domain to the specified domain.
`void`	`shift(int shift)`	It shifts the domain.
`boolean`	`singleton()`	It returns true if given domain has only one element.
`boolean`	`singleton(int c)`	It returns true if given domain has only one element equal c.
`int`	`sizeConstraintsOriginal()`	It returns all constraints which are associated with variable, even the ones which are already satisfied.
`int`	`sizeOfIntersection(IntDomain domain)`	It computes the size of the intersection between this domain and the domain supplied as a parameter.
`IntDomain`	`subtract(int value)`	It intersects with the domain which is a complement of value.
`IntDomain`	`subtract(int min, int max)`	It subtracts interval min..max.
`IntDomain`	`subtract(IntDomain domain)`	It subtracts domain from current domain and returns the result.
`void`	`subtractAdapt(int value)`	It removes value from the domain.
`void`	`subtractAdapt(int min, int max)`	It removes all values between min and max to the domain.
`IntervalDomain`	`toIntervalDomain()`
`java.lang.String`	`toString()`	It returns string description of the domain (only values in the domain).
`java.lang.String`	`toStringConstraints()`	It returns string description of the constraints attached to the domain.
`java.lang.String`	`toStringFull()`	It returns complete string description containing all relevant information about the domain.
`IntDomain`	`union(int value)`	It computes union of this domain and value.
`IntDomain`	`union(int min, int max)`	It computes union of this domain and the interval.
`IntDomain`	`union(IntDomain domain)`	It computes union of the supplied domain with this domain.
`void`	`unionAdapt(int value)`	It adds a values to the domain.
`void`	`unionAdapt(int min, int max)`	It adds all values between min and max to the domain.
`void`	`unionAdapt(Interval i)`	It adds interval of values to the domain.
`ValueEnumeration`	`valueEnumeration()`	It returns value enumeration of the domain values.

Methods inherited from class org.jacop.core.IntDomain
addInt, divBounds, divIntBounds, elementsSmallerThan, getEventsInclusion, in, inValue, lex, mulBounds, multiplyInt, noConstraints, putModelConstraint, putSearchConstraint, removeModelConstraint, removeSearchConstraint, removeSearchConstraint, singleton, squareBounds, subtractInt, toIntArray, unionAdapt, value

Methods inherited from class org.jacop.core.Domain
constraints, noSearchConstraints, searchConstraints, setStamp, sizeConstraints, stamp

Methods inherited from class java.lang.Object
equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

- Field Detail
  - emptyDomain
```
public static final SmallDenseDomain emptyDomain
```
    It is an empty domain returned by default when empty domain becomes a result of any function.
  - min
```
public int min
```
    The minimal value present in this domain encoding. The domain can only encode small domains within a range [min .. min + 63].
  - bits
```
public long bits
```
    It stores information about presence of the elements in the domain. If the least significant bit is set then min + 63 is present. The most significant bit is always set as this domain maintains invariant that minimum value always belongs to the domain.
  - singleton
```
private boolean singleton
```
  - size
```
private int size
```
  - max
```
private int max
```
  - first8
```
long first8
```
  - TWO_N_ARRAY
```
private static final long[] TWO_N_ARRAY
```
  - SEQ_ARRAY
```
private static final long[] SEQ_ARRAY
```
  - generator
```
private static final java.util.Random generator
```
- Constructor Detail
  - SmallDenseDomain
```
public SmallDenseDomain()
```
    It creates an empty domain.
  - SmallDenseDomain
```
public SmallDenseDomain(int min,
                        long bits)
```
    It creates a domain of type small dense.
    
    Parameters:
    
    min - the minimum value present in this domain.
    
    bits - the bits representing presence of any value from the range [ min .. min + 63].
  - SmallDenseDomain
```
public SmallDenseDomain(int min,
                        int max)
```
    It creates a domain with values between min and max inclusive.
    
    Parameters:
    
    min - min element in the domain
    
    max - max element in the domain
- Method Detail
  - addDom
```
public void addDom(IntDomain domain)
```
    Description copied from class: IntDomain
    
    It adds values as specified by the parameter to the domain.
    
    Overrides:
    
    addDom in class IntDomain
    
    Parameters:
    
    domain - Domain which needs to be added to the domain.
  - complement
```
public IntDomain complement()
```
    Description copied from class: IntDomain
    
    It creates a complement of a domain.
    
    Specified by:
    
    complement in class IntDomain
    
    Returns:
    
    it returns the complement of this domain.
  - getPreviousDomain
```
public IntDomain getPreviousDomain()
```
    Description copied from class: IntDomain
    
    It returns domain at earlier level at which the change has occurred.
    
    Specified by:
    
    getPreviousDomain in class IntDomain
    
    Returns:
    
    previous domain
  - contains
```
public boolean contains(IntDomain domain)
```
    Description copied from class: IntDomain
    
    It specifies if the current domain contains the domain given as a parameter.
    
    Overrides:
    
    contains in class IntDomain
    
    Parameters:
    
    domain - for which we check if it is contained in the current domain.
    
    Returns:
    
    true if the supplied domain is cover by this domain.
  - contains
```
public boolean contains(int value)
```
    Description copied from class: IntDomain
    
    It checks if value belongs to the domain.
    
    Overrides:
    
    contains in class IntDomain
    
    Parameters:
    
    value - which is checked if it exists in the domain.
    
    Returns:
    
    true if value belongs to the domain.
  - eq
```
public boolean eq(IntDomain domain)
```
    Description copied from class: IntDomain
    
    It specifies if the other int domain is equal to this one.
    
    Overrides:
    
    eq in class IntDomain
    
    Parameters:
    
    domain - the domain which is compared to this domain.
    
    Returns:
    
    true if both domains contain the same elements, false otherwise.
  - getElementAt
```
public int getElementAt(int index)
```
    Description copied from class: IntDomain
    
    It access the element at the specified position.
    
    Specified by:
    
    getElementAt in class IntDomain
    
    Parameters:
    
    index - the position of the element, indexing starts from 0.
    
    Returns:
    
    the value at a given position in the domain.
  - getInterval
```
public Interval getInterval(int position)
```
    Description copied from class: IntDomain
    
    It returns required interval.
    
    Specified by:
    
    getInterval in class IntDomain
    
    Parameters:
    
    position - the position of the interval.
    
    Returns:
    
    the interval, or null if the required interval does not exist.
  - getSize
```
public int getSize()
```
    Description copied from class: IntDomain
    
    It returns the size of the domain.
    
    Specified by:
    
    getSize in class IntDomain
    
    Returns:
    
    number of elements in this domain.
  - getSize
```
public int getSize(long input)
```
    It computes the number of 1's in the binary representation of the number given in the field input.
    
    Parameters:
    
    input - the 64bits for which calculation of number of 1's takes place.
    
    Returns:
    
    the number of 1's.
  - in
```
public void in(int storeLevel,
               Var var,
               int min,
               int max)
```
    It updates the domain to have values only within the interval min..max. The type of update is decided by the value of stamp. It informs the variable of a change if it occurred.
    
    Specified by:
    
    in in class IntDomain
    
    Parameters:
    
    storeLevel - level of the store at which the update occurs.
    
    var - variable for which this domain is used.
    
    min - the minimum value to which the domain is updated.
    
    max - the maximum value to which the domain is updated.
  - adaptMin
```
private void adaptMin()
```
  - in
```
public void in(int storeLevel,
               Var var,
               long domain)
```
  - in
```
public void in(int storeLevel,
               Var var,
               IntDomain domain)
```
    Description copied from class: IntDomain
    
    It updates the domain to have values only within the domain. The type of update is decided by the value of stamp. It informs the variable of a change if it occurred.
    
    Overrides:
    
    in in class IntDomain
    
    Parameters:
    
    storeLevel - level of the store at which the update occurs.
    
    var - variable for which this domain is used.
    
    domain - the domain according to which the domain is updated.
  - inComplement
```
public void inComplement(int storeLevel,
                         Var var,
                         int complement)
```
    Description copied from class: IntDomain
    
    It updates the domain to not contain the value complement. It informs the variable of a change if it occurred.
    
    Overrides:
    
    inComplement in class IntDomain
    
    Parameters:
    
    storeLevel - level of the store at which the update occurs.
    
    var - variable for which this domain is used.
    
    complement - value which is removed from the domain if it belonged to the domain.
  - inComplement
```
public void inComplement(int storeLevel,
                         Var var,
                         int minComplement,
                         int maxComplement)
```
    Description copied from class: IntDomain
    
    It updates the domain so it does not contain the supplied interval. It informs the variable of a change if it occurred.
    
    Specified by:
    
    inComplement in class IntDomain
    
    Parameters:
    
    storeLevel - level of the store at which the update occurs.
    
    var - variable for which this domain is used.
    
    minComplement - the left bound of the interval (inclusive).
    
    maxComplement - the right bound of the interval (inclusive).
  - inMax
```
public void inMax(int storeLevel,
                  Var var,
                  int max)
```
    Description copied from class: IntDomain
    
    It updates the domain according to the maximum value and stamp value. It informs the variable of a change if it occurred.
    
    Overrides:
    
    inMax in class IntDomain
    
    Parameters:
    
    storeLevel - level of the store at which the update occurs.
    
    var - variable for which this domain is used.
    
    max - the maximum value to which the domain is updated.
  - inMin
```
public void inMin(int storeLevel,
                  Var var,
                  int min)
```
    Description copied from class: IntDomain
    
    It updates the domain according to the minimum value and stamp value. It informs the variable of a change if it occurred.
    
    Overrides:
    
    inMin in class IntDomain
    
    Parameters:
    
    storeLevel - level of the store at which the update occurs.
    
    var - variable for which this domain is used.
    
    min - the minimum value to which the domain is updated.
  - inShift
```
public void inShift(int storeLevel,
                    Var var,
                    IntDomain domain,
                    int shift)
```
    Description copied from class: IntDomain
    
    It updates the domain to contain the elements as specifed by the domain, which is shifted. E.g. {1..4} + 3 = 4..7
    
    Specified by:
    
    inShift in class IntDomain
    
    Parameters:
    
    storeLevel - level of the store at which the update occurs.
    
    var - variable for which this domain is used.
    
    domain - the domain according to which the domain is updated.
    
    shift - the shift which is used to shift the domain supplied as argument.
  - intersect
```
public SmallDenseDomain intersect(IntervalDomain input,
                                  int shift)
```
  - intersect
```
public IntDomain intersect(IntDomain domain)
```
    Description copied from class: IntDomain
    
    It intersects current domain with the one given as a parameter.
    
    Specified by:
    
    intersect in class IntDomain
    
    Parameters:
    
    domain - domain with which the intersection needs to be computed.
    
    Returns:
    
    the intersection between supplied domain and this domain.
  - intersect
```
public IntDomain intersect(int min,
                           int max)
```
    Description copied from class: IntDomain
    
    In intersects current domain with the interval min..max.
    
    Specified by:
    
    intersect in class IntDomain
    
    Parameters:
    
    min - the left bound of the interval (inclusive)
    
    max - the right bound of the interval (inclusive)
    
    Returns:
    
    the intersection between the specified interval and this domain.
  - intersectAdapt
```
public int intersectAdapt(IntDomain domain)
```
    Description copied from class: IntDomain
    
    It computes an intersection with a given domain and stores it in this domain.
    
    Specified by:
    
    intersectAdapt in class IntDomain
    
    Parameters:
    
    domain - domain with which the intersection is being computed.
    
    Returns:
    
    type of event which has occurred due to the operation.
  - intersectAdapt
```
public int intersectAdapt(int min,
                          int max)
```
    Description copied from class: IntDomain
    
    It computes an intersection of this domain with an interval [min..max]. It adapts this domain to the result of the intersection.
    
    Specified by:
    
    intersectAdapt in class IntDomain
    
    Parameters:
    
    min - the minimum value of the interval used in the intersection computation.
    
    max - the maximum value of the interval used in the intersection computation.
    
    Returns:
    
    it returns information about the pruning event which has occurred due to this operation.
  - intervalEnumeration
```
public IntervalEnumeration intervalEnumeration()
```
    Description copied from class: IntDomain
    
    It returns interval enumeration of the domain values.
    
    Specified by:
    
    intervalEnumeration in class IntDomain
    
    Returns:
    
    intervalEnumeration which can be used to enumerate intervals in this domain.
  - isIntersecting
```
public boolean isIntersecting(IntDomain domain)
```
    Description copied from class: IntDomain
    
    Checks if two domains intersect.
    
    Overrides:
    
    isIntersecting in class IntDomain
    
    Parameters:
    
    domain - the domain for which intersection is checked.
    
    Returns:
    
    true if domains are intersecting.
  - isIntersecting
```
public boolean isIntersecting(int min,
                              int max)
```
    Description copied from class: IntDomain
    
    It checks if interval min..max intersects with current domain.
    
    Specified by:
    
    isIntersecting in class IntDomain
    
    Parameters:
    
    min - the left bound of the interval.
    
    max - the right bound of the interval.
    
    Returns:
    
    true if domain intersects with the specified interval.
  - leftElement
```
public int leftElement(int intervalNo)
```
    Description copied from class: IntDomain
    
    It returns the left most element of the given interval.
    
    Overrides:
    
    leftElement in class IntDomain
    
    Parameters:
    
    intervalNo - the interval number.
    
    Returns:
    
    the left bound of the specified interval.
  - max
```
public int max()
```
    Description copied from class: IntDomain
    
    It returns the maximum value in a domain.
    
    Specified by:
    
    max in class IntDomain
    
    Returns:
    
    the largest value present in the domain.
  - min
```
public int min()
```
    Description copied from class: IntDomain
    
    It returns the minimum value in a domain.
    
    Specified by:
    
    min in class IntDomain
    
    Returns:
    
    the smallest value present in the domain.
  - nextValue
```
public int nextValue(int value)
```
    Description copied from class: IntDomain
    
    It gives next value in the domain from the given one (lexigraphical ordering). If no value can be found then returns the same value.
    
    Specified by:
    
    nextValue in class IntDomain
    
    Parameters:
    
    value - it specifies the value after which a next value has to be found.
    
    Returns:
    
    next value after the specified one which belong to this domain.
  - noIntervals
```
public int noIntervals()
```
    Description copied from class: IntDomain
    
    It returns number of intervals required to represent this domain.
    
    Specified by:
    
    noIntervals in class IntDomain
    
    Returns:
    
    the number of intervals in the domain.
  - previousValue
```
public int previousValue(int value)
```
    Description copied from class: IntDomain
    
    It gives previous value in the domain from the given one (lexigraphical ordering). If no value can be found then returns the same value.
    
    Specified by:
    
    previousValue in class IntDomain
    
    Parameters:
    
    value - before which a value is seeked for.
    
    Returns:
    
    it returns the value before the one specified as a parameter.
  - recentDomainPruning
```
public IntDomain recentDomainPruning(int storeLevel)
```
    Description copied from class: IntDomain
    
    It returns the values which have been removed at current store level.
    
    Specified by:
    
    recentDomainPruning in class IntDomain
    
    Parameters:
    
    storeLevel - the current store level.
    
    Returns:
    
    emptyDomain if domain did not change at current level, or the set of values which have been removed at current level.
  - rightElement
```
public int rightElement(int intervalNo)
```
    Description copied from class: IntDomain
    
    It returns the right most element of the given interval.
    
    Overrides:
    
    rightElement in class IntDomain
    
    Parameters:
    
    intervalNo - the interval number.
    
    Returns:
    
    the right bound of the specified interval.
  - setDomain
```
public void setDomain(IntDomain domain)
```
    Description copied from class: IntDomain
    
    It sets the domain to the specified domain.
    
    Specified by:
    
    setDomain in class IntDomain
    
    Parameters:
    
    domain - the domain from which this domain takes all elements.
  - setDomain
```
public void setDomain(int min,
                      int max)
```
    Description copied from class: IntDomain
    
    It sets this domain to contain exactly all values between min and max.
    
    Specified by:
    
    setDomain in class IntDomain
    
    Parameters:
    
    min - the left bound of the interval (inclusive).
    
    max - the right bound of the interval (inclusive).
  - singleton
```
public boolean singleton(int c)
```
    Description copied from class: IntDomain
    
    It returns true if given domain has only one element equal c.
    
    Overrides:
    
    singleton in class IntDomain
    
    Parameters:
    
    c - the value to which the only element should be equal to.
    
    Returns:
    
    true if the domain contains only one element c.
  - sizeOfIntersection
```
public int sizeOfIntersection(IntDomain domain)
```
    Description copied from class: IntDomain
    
    It computes the size of the intersection between this domain and the domain supplied as a parameter.
    
    Overrides:
    
    sizeOfIntersection in class IntDomain
    
    Parameters:
    
    domain - the domain with which the intersection is computed.
    
    Returns:
    
    the size of the intersection.
  - subtract
```
public IntDomain subtract(int value)
```
    Description copied from class: IntDomain
    
    It intersects with the domain which is a complement of value.
    
    Overrides:
    
    subtract in class IntDomain
    
    Parameters:
    
    value - the value for which the complement is computed
    
    Returns:
    
    the domain which does not contain specified value.
  - subtract
```
public IntDomain subtract(IntDomain domain)
```
    Description copied from class: IntDomain
    
    It subtracts domain from current domain and returns the result.
    
    Overrides:
    
    subtract in class IntDomain
    
    Parameters:
    
    domain - the domain which is subtracted from this domain.
    
    Returns:
    
    the result of the subtraction.
  - subtractAdapt
```
public void subtractAdapt(int min,
                          int max)
```
    Description copied from class: IntDomain
    
    It removes all values between min and max to the domain.
    
    Specified by:
    
    subtractAdapt in class IntDomain
    
    Parameters:
    
    min - the left bound of the interval being removed.
    
    max - the right bound of the interval being removed.
  - subtract
```
public IntDomain subtract(int min,
                          int max)
```
    Description copied from class: IntDomain
    
    It subtracts interval min..max.
    
    Specified by:
    
    subtract in class IntDomain
    
    Parameters:
    
    min - the left bound of the interval (inclusive).
    
    max - the right bound of the interval (inclusive).
    
    Returns:
    
    the result of the subtraction.
  - subtractAdapt
```
public void subtractAdapt(int value)
```
    Description copied from class: IntDomain
    
    It removes value from the domain. It adapts current (this) domain.
    
    Specified by:
    
    subtractAdapt in class IntDomain
    
    Parameters:
    
    value - the value for which the complement is computed
  - union
```
public IntDomain union(IntDomain domain)
```
    Description copied from class: IntDomain
    
    It computes union of the supplied domain with this domain.
    
    Overrides:
    
    union in class IntDomain
    
    Parameters:
    
    domain - the domain for which the union is computed.
    
    Returns:
    
    the union of this domain with the supplied one.
  - union
```
public IntDomain union(int min,
                       int max)
```
    Description copied from class: IntDomain
    
    It computes union of this domain and the interval.
    
    Overrides:
    
    union in class IntDomain
    
    Parameters:
    
    min - the left bound of the interval (inclusive).
    
    max - the right bound of the interval (inclusive).
    
    Returns:
    
    the union of this domain and the interval.
  - union
```
public IntDomain union(int value)
```
    Description copied from class: IntDomain
    
    It computes union of this domain and value.
    
    Overrides:
    
    union in class IntDomain
    
    Parameters:
    
    value - it specifies the value which is being added.
    
    Returns:
    
    domain which is a union of this one and the value.
  - unionAdapt
```
public void unionAdapt(Interval i)
```
    Description copied from class: IntDomain
    
    It adds interval of values to the domain.
    
    Overrides:
    
    unionAdapt in class IntDomain
    
    Parameters:
    
    i - Interval which needs to be added to the domain.
  - unionAdapt
```
public void unionAdapt(int min,
                       int max)
```
    Description copied from class: IntDomain
    
    It adds all values between min and max to the domain.
    
    Specified by:
    
    unionAdapt in class IntDomain
    
    Parameters:
    
    min - the left bound of the interval being added.
    
    max - the right bound of the interval being added.
  - unionAdapt
```
public void unionAdapt(int value)
```
    Description copied from class: IntDomain
    
    It adds a values to the domain.
    
    Overrides:
    
    unionAdapt in class IntDomain
    
    Parameters:
    
    value - value being added to the domain.
  - valueEnumeration
```
public ValueEnumeration valueEnumeration()
```
    Description copied from class: IntDomain
    
    It returns value enumeration of the domain values.
    
    Specified by:
    
    valueEnumeration in class IntDomain
    
    Returns:
    
    valueEnumeration which can be used to enumerate one by one value from this domain.
  - checkInvariants
```
public java.lang.String checkInvariants()
```
    Description copied from class: Domain
    
    It checks if the domain has correct state.
    
    Specified by:
    
    checkInvariants in class Domain
    
    Returns:
    
    null if everything is ok, otherwise a string describing the problem.
  - clear
```
public void clear()
```
    Description copied from class: Domain
    
    It removes all elements.
    
    Specified by:
    
    clear in class Domain
  - clone
```
public Domain clone()
```
    Description copied from class: Domain
    
    It clones the domain object.
    
    Specified by:
    
    clone in class Domain
  - domainID
```
public int domainID()
```
    Description copied from class: Domain
    
    It returns an unique identifier of the domain.
    
    Specified by:
    
    domainID in class Domain
    
    Returns:
    
    it returns an integer id of the domain.
  - isEmpty
```
public boolean isEmpty()
```
    Description copied from class: Domain
    
    It returns true if given domain is empty.
    
    Specified by:
    
    isEmpty in class Domain
    
    Returns:
    
    true if the given domain is empty.
  - isNumeric
```
public boolean isNumeric()
```
    Description copied from class: Domain
    
    It specifies if domain is a finite domain of numeric values (integers).
    
    Specified by:
    
    isNumeric in class Domain
    
    Returns:
    
    true if domains contains numeric values.
  - isSparseRepresentation
```
public boolean isSparseRepresentation()
```
    Description copied from class: Domain
    
    It specifies if the domain type is more suited to representing sparse domain.
    
    Specified by:
    
    isSparseRepresentation in class Domain
    
    Returns:
    
    true if sparse, false otherwise.
  - cloneLight
```
public SmallDenseDomain cloneLight()
```
    It clones the domain object, only data responsible for encoding domain values is cloned. All other fields must be set separately.
    
    Specified by:
    
    cloneLight in class IntDomain
    
    Returns:
    
    It returns a clone of this domain.
  - removeLevel
```
public void removeLevel(int level,
                        Var var)
```
    Description copied from class: Domain
    
    It removes the specified level. This function may re-instantiate the old copy of the domain (previous value) or recover from changes done at stamp level to get the previous value at level lower at provided level.
    
    Specified by:
    
    removeLevel in class Domain
    
    Parameters:
    
    level - the level which is being removed.
    
    var - the variable to which this domain belonged to.
  - singleton
```
public boolean singleton()
```
    Description copied from class: Domain
    
    It returns true if given domain has only one element.
    
    Specified by:
    
    singleton in class Domain
    
    Returns:
    
    true if the domain contains only one element.
  - sizeConstraintsOriginal
```
public int sizeConstraintsOriginal()
```
    Description copied from class: Domain
    
    It returns all constraints which are associated with variable, even the ones which are already satisfied.
    
    Specified by:
    
    sizeConstraintsOriginal in class Domain
    
    Returns:
    
    the number of constraints attached to the original domain of the variable associated with this domain.
  - toString
```
public java.lang.String toString()
```
    Description copied from class: Domain
    
    It returns string description of the domain (only values in the domain).
    
    Specified by:
    
    toString in class Domain
  - toStringConstraints
```
public java.lang.String toStringConstraints()
```
    Description copied from class: Domain
    
    It returns string description of the constraints attached to the domain.
    
    Specified by:
    
    toStringConstraints in class Domain
    
    Returns:
    
    the string description.
  - toStringFull
```
public java.lang.String toStringFull()
```
    Description copied from class: Domain
    
    It returns complete string description containing all relevant information about the domain.
    
    Specified by:
    
    toStringFull in class Domain
    
    Returns:
    
    complete description of the domain.
  - getRandomValue
```
public int getRandomValue()
```
    Description copied from class: IntDomain
    
    It returns a random value from the domain.
    
    Overrides:
    
    getRandomValue in class IntDomain
    
    Returns:
    
    random value.
  - contains
```
public boolean contains(int min,
                        int max)
```
    Description copied from class: IntDomain
    
    It checks if an interval min..max belongs to the domain.
    
    Specified by:
    
    contains in class IntDomain
    
    Parameters:
    
    min - the minimum value of the interval being checked
    
    max - the maximum value of the interval being checked
    
    Returns:
    
    true if value belongs to the domain.
  - shift
```
public void shift(int shift)
```
    It shifts the domain.
    
    Parameters:
    
    shift - how much should the domain be shifted.
  - toIntervalDomain
```
public IntervalDomain toIntervalDomain()
```

Class SmallDenseDomain

Field Summary

Fields inherited from class org.jacop.core.IntDomain

Fields inherited from class org.jacop.core.Domain

Constructor Summary

Method Summary

Methods inherited from class org.jacop.core.IntDomain

Methods inherited from class org.jacop.core.Domain

Methods inherited from class java.lang.Object

Field Detail

emptyDomain

min

bits

singleton

size

max

first8

TWO_N_ARRAY

SEQ_ARRAY

generator

Constructor Detail

SmallDenseDomain

SmallDenseDomain

SmallDenseDomain

Method Detail

addDom

complement

getPreviousDomain

contains

contains

eq

getElementAt

getInterval

getSize

getSize

in

adaptMin

in

in

inComplement

inComplement

inMax

inMin

inShift

intersect

intersect

intersect

intersectAdapt

intersectAdapt

intervalEnumeration

isIntersecting

isIntersecting

leftElement

max

min

nextValue

noIntervals

previousValue

recentDomainPruning

rightElement

setDomain

setDomain

singleton

sizeOfIntersection

subtract

subtract

subtractAdapt

subtract

subtractAdapt

union

union

union

unionAdapt

unionAdapt

unionAdapt

valueEnumeration

checkInvariants

clear

clone

domainID