de.uka.ipd.sdq.beagle.core.evaluableexpressions

Class AdditionExpression

java.lang.Object

de.uka.ipd.sdq.beagle.core.evaluableexpressions.AdditionExpression

All Implemented Interfaces:

EvaluableExpression

public class AdditionExpression
extends Object
implements EvaluableExpression

Expression that sums up all its contained expressions.

Field Summary

Fields inherited from interface de.uka.ipd.sdq.beagle.core.evaluableexpressions.EvaluableExpression

FALSE

Constructor Summary

Constructors

Constructor and Description
AdditionExpression(Collection<EvaluableExpression> summands) Builds an expression that will return the sum of all summands on evaluation.
AdditionExpression(EvaluableExpression... summands) Builds an expression that will return the sum of all summands on evaluation.

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object object)
double	evaluate(EvaluableVariableAssignment variableAssignments) Calculates this expression’s value for the given variableAssignments.
Collection<EvaluableExpression>	getSummands() Get all evaluable expressions which are forming this expression's sum.
int	hashCode()
void	receive(EvaluableExpressionVisitor visitor) Calls the appropriate overload of EvaluableExpressionVisitor.visit(de.uka.ipd.sdq.beagle.core.evaluableexpressions.AdditionExpression) on visitor.
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

AdditionExpression

public AdditionExpression(Collection<EvaluableExpression> summands)

Builds an expression that will return the sum of all summands on evaluation.

Parameters:

summands - The summands forming this expression’s sum. summands.size() must at least be 2.

AdditionExpression

public AdditionExpression(EvaluableExpression... summands)

Builds an expression that will return the sum of all summands on evaluation.

Parameters:

summands - The summands forming this expression’s sum. summands.length must at least be 2.

Method Detail

getSummands

public Collection<EvaluableExpression> getSummands()

Get all evaluable expressions which are forming this expression's sum. There have to be at least two.

Returns:

A collection of all summands of this addition expression.

receive

public void receive(EvaluableExpressionVisitor visitor)

Description copied from interface: EvaluableExpression

Calls the appropriate overload of EvaluableExpressionVisitor.visit(de.uka.ipd.sdq.beagle.core.evaluableexpressions.AdditionExpression) on visitor. This implements the well-known visitor pattern.

Specified by:

receive in interface EvaluableExpression

Parameters:

visitor - The visitor wishing to visit this expression.

evaluate

public double evaluate(EvaluableVariableAssignment variableAssignments)

Description copied from interface: EvaluableExpression

Calculates this expression’s value for the given variableAssignments.

Specified by:

evaluate in interface EvaluableExpression

Parameters:

variableAssignments - must assign a value to at least all EvaluableVariables contained in this expression.

Returns:

the value for the given assignments.

toString

public String toString()

Overrides:

toString in class Object

equals

public boolean equals(Object object)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object