cppncss.measure
Class Sum

java.lang.Object
  cppncss.measure.Sum

public final class Sum
extends java.lang.Object

Sums a series of values.

Author:

Mathieu Champlon

Constructor Summary

Sum(java.lang.String label, int value)
Create a sum.

Method Summary

void	accept(SumObserver observer) Accept a visitor.
boolean	update(java.lang.String label, int value) Add a value to the sum.

Methods inherited from class java.lang.Object

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

Constructor Detail

Sum

public Sum(java.lang.String label,
           int value)

Create a sum.

Parameters:

label - the measurement label

value - the initial value of the sum

Method Detail

update

public boolean update(java.lang.String label,
                      int value)

Add a value to the sum.

If the label does not match the label given at creation the measurement is ignored.

Parameters:

label - the label of the measurement

value - the value of the measurement

Returns:

whether the measurement has been accepted or not

accept

public void accept(SumObserver observer)

Accept a visitor.

Parameters:

observer - an average observer