aima.core.probability.domain

Class AbstractFiniteDomain

java.lang.Object

aima.core.probability.domain.AbstractFiniteDomain

All Implemented Interfaces:

DiscreteDomain, Domain, FiniteDomain

Direct Known Subclasses:

ArbitraryTokenDomain, BooleanDomain, FiniteIntegerDomain

public abstract class AbstractFiniteDomain
extends java.lang.Object
implements FiniteDomain

Constructor Summary

Constructors

Constructor and Description
AbstractFiniteDomain()

Method Summary

Modifier and Type	Method and Description
int	getOffset(java.lang.Object value) The possible values for a finite domain are to have a consistent ordering (whether they are actually ordered by value or not).
abstract java.util.Set<? extends java.lang.Object>	getPossibleValues()
java.lang.Object	getValueAt(int offset)
protected void	indexPossibleValues(java.util.Set<? extends java.lang.Object> possibleValues)
boolean	isFinite()
boolean	isInfinite()
abstract boolean	isOrdered()
abstract int	size()
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractFiniteDomain

public AbstractFiniteDomain()

Method Detail

isFinite

public boolean isFinite()

Specified by:

isFinite in interface Domain

Returns:

true if the Domain is finite, false otherwise (i.e. discrete (like the integers) or continuous (like the reals)).

isInfinite

public boolean isInfinite()

Specified by:

isInfinite in interface Domain

Returns:

!isFinite().

size

public abstract int size()

Specified by:

size in interface Domain

Returns:

the size of the Domain, only applicable if isFinite() == true.

isOrdered

public abstract boolean isOrdered()

Specified by:

isOrdered in interface Domain

Returns:

true if the domain is ordered, false otherwise. i.e. you can specify 1 object from the domain is < or = another object in the domain.

getPossibleValues

public abstract java.util.Set<? extends java.lang.Object> getPossibleValues()

Specified by:

getPossibleValues in interface FiniteDomain

Returns:

a consistent ordered Set (e.g. LinkedHashSet) of the possible values this domain can take on.

getOffset

public int getOffset(java.lang.Object value)

Description copied from interface: FiniteDomain

The possible values for a finite domain are to have a consistent ordering (whether they are actually ordered by value or not). This will return an offset into that ordering.

Specified by:

getOffset in interface FiniteDomain

Parameters:

value - a value from the domain.

Returns:

an offset (starting from 0) into the consistent order of the set of possible values.

getValueAt

public java.lang.Object getValueAt(int offset)

Specified by:

getValueAt in interface FiniteDomain

Parameters:

offset - an offset into the consistent ordering for this domain.

Returns:

the Object at the specified offset in this domains consistent ordered set of values. null if the offset does not index the domain correctly.

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

indexPossibleValues

protected void indexPossibleValues(java.util.Set<? extends java.lang.Object> possibleValues)