Averager.java

package org.fluxoid.utils;

public interface Averager {

  /**
   * Add a value to the averager
   *
   * @param y the value to add
   */
  public abstract void add(double y);

  /**
   * @return the last submitted value, null if no values submitted
   */
  public abstract Double getLastValue();

  public abstract double getAverage();

  public int getNumberOfSamples();

}