net.sf.tweety.math.term

Class AssociativeOperation

java.lang.Object

net.sf.tweety.math.term.Term

net.sf.tweety.math.term.AssociativeOperation

Direct Known Subclasses:

Maximum, Minimum, Product, Sum

public abstract class AssociativeOperation
extends Term

Field Summary

Fields

Modifier and Type	Field and Description
private java.util.List<Term>	terms The terms of this operation.

Constructor Summary

Constructors

Constructor and Description
AssociativeOperation() Creates a new (empty) operation.
AssociativeOperation(java.util.Collection<? extends Term> terms) Creates a new operation with the given list of terms.
AssociativeOperation(Term first, Term second) Creates a new operation with the given terms.

Method Summary

Modifier and Type	Method and Description
void	addAllTerm(java.util.Collection<Term> terms) Adds all the given terms of this operation.
void	addTerm(Term t) Adds the given term to this operation.
void	collapseAssociativeOperations() This method collapses all associative operations appearing in this term, e.g.
java.util.Set<AbsoluteValue>	getAbsoluteValues() Returns all absolute values of this term.
java.util.Set<Maximum>	getMaximums() Returns all maximums of this term.
java.util.Set<Minimum>	getMinimums() Returns all minimums of this term.
java.util.Set<Product>	getProducts() Returns all products of this term.
java.util.List<Term>	getTerms() Returns the terms of this operation.
java.util.Set<Variable>	getVariables() Returns all variables in this term.
boolean	isInteger() Checks whether this term represents an integer value.
void	removeTerm(Term t) Removes the given term from this operation.
int	size() Returns the number of the terms in this operation.

Methods inherited from class net.sf.tweety.math.term.Term

add, derive, doubleValue, evaluateMatrix, evaluateVector, evaluateVector, expandAssociativeOperations, isContinuous, isContinuous, isLinear, min, minus, mult, replaceAllTerms, replaceAllTerms, replaceTerm, simplify, toLinearForm, toString, value

Methods inherited from class java.lang.Object

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

Field Detail

terms

private java.util.List<Term> terms

The terms of this operation.

Constructor Detail

AssociativeOperation

public AssociativeOperation()

Creates a new (empty) operation.

AssociativeOperation

public AssociativeOperation(Term first,
                            Term second)

Creates a new operation with the given terms.

Parameters:

first - a term.

second - a term.

AssociativeOperation

public AssociativeOperation(java.util.Collection<? extends Term> terms)

Creates a new operation with the given list of terms.

Parameters:

terms - a list of terms.

Method Detail

size

public int size()

Returns the number of the terms in this operation.

Returns:

the number of the terms in this operation.

getTerms

public java.util.List<Term> getTerms()

Returns the terms of this operation.

Returns:

the terms of this operation.

addTerm

public void addTerm(Term t)

Adds the given term to this operation.

Parameters:

t - a term.

addAllTerm

public void addAllTerm(java.util.Collection<Term> terms)

Adds all the given terms of this operation.

Parameters:

terms - a collection of terms.

removeTerm

public void removeTerm(Term t)

Removes the given term from this operation.

Parameters:

t - a term.

isInteger

public boolean isInteger()

Description copied from class: Term

Checks whether this term represents an integer value.

Specified by:

isInteger in class Term

Returns:

"true" iff this term represents an integer value.

getVariables

public java.util.Set<Variable> getVariables()

Description copied from class: Term

Returns all variables in this term.

Specified by:

getVariables in class Term

Returns:

all variables in this term.

getProducts

public java.util.Set<Product> getProducts()

Description copied from class: Term

Returns all products of this term.

Specified by:

getProducts in class Term

Returns:

all products of this term.

getMinimums

public java.util.Set<Minimum> getMinimums()

Description copied from class: Term

Returns all minimums of this term.

Specified by:

getMinimums in class Term

Returns:

all minimums of this term.

getMaximums

public java.util.Set<Maximum> getMaximums()

Description copied from class: Term

Returns all maximums of this term.

Specified by:

getMaximums in class Term

Returns:

all maximums of this term.

getAbsoluteValues

public java.util.Set<AbsoluteValue> getAbsoluteValues()

Description copied from class: Term

Returns all absolute values of this term.

Specified by:

getAbsoluteValues in class Term

Returns:

all absolute values of this term.

collapseAssociativeOperations

public void collapseAssociativeOperations()

Description copied from class: Term

This method collapses all associative operations appearing in this term, e.g. every min{min{a,b},c} becomes min{a,b,c}.

Specified by:

collapseAssociativeOperations in class Term