Element.java

package com.assignment;

public class Element {
  private String name;
  private double tnext;
  private double delayMean, delayDev;
  private String distribution;
  private int quantity;
  private double tcurr;
  private int state;
  private Element nextElement;
  private static int nextId = 0;
  private int id;

  public Element() {

    tnext = 0.0;
    delayMean = 1.0;
    distribution = "exp";
    tcurr = tnext;
    state = 0;
    nextElement = null;
    id = nextId;
    nextId++;
    name = "element" + id;
  }

  public Element(double delay) {
    name = "anonymus";
    tnext = 0.0;
    delayMean = delay;
    distribution = "";
    tcurr = tnext;
    state = 0;
    nextElement = null;
    id = nextId;
    nextId++;
    name = "element" + id;
  }

  public Element(String nameOfElement, double delay) {
    name = nameOfElement;
    tnext = 0.0;
    delayMean = delay;
    distribution = "exp";
    tcurr = tnext;
    state = 0;
    nextElement = null;
    id = nextId;
    nextId++;
    name = "element" + id;
  }

  public double getDelay() {
    double delay = getDelayMean();
    if ("exp".equalsIgnoreCase(getDistribution())) {
      delay = FunRand.Exp(getDelayMean());
    } else {
      if ("norm".equalsIgnoreCase(getDistribution())) {
        delay = FunRand.Norm(getDelayMean(), getDelayDev());
      } else {
        if ("unif".equalsIgnoreCase(getDistribution())) {
          delay = FunRand.Unif(getDelayMean(), getDelayDev());
        } else {
          if ("".equalsIgnoreCase(getDistribution())) delay = getDelayMean();
        }
      }
    }
    return delay;
  }

  public double getDelayDev() {
    return delayDev;
  }

  public void setDelayDev(double delayDev) {
    this.delayDev = delayDev;
  }

  public String getDistribution() {
    return distribution;
  }

  public void setDistribution(String distribution) {
    this.distribution = distribution;
  }

  public int getQuantity() {
    return quantity;
  }

  public double getTcurr() {
    return tcurr;
  }

  public void setTcurr(double tcurr) {
    this.tcurr = tcurr;
  }

  public int getState() {
    return state;
  }

  public void setState(int state) {
    this.state = state;
  }

  public Element getNextElement() {
    return nextElement;
  }

  public void setNextElement(Element nextElement) {
    this.nextElement = nextElement;
  }

  public void inAct() {}

  public void outAct() {
    quantity++;
  }

  public double getTnext() {
    return tnext;
  }

  public void setTnext(double tnext) {
    this.tnext = tnext;
  }

  public double getDelayMean() {
    return delayMean;
  }

  public void setDelayMean(double delayMean) {
    this.delayMean = delayMean;
  }

  public int getId() {
    return id;
  }

  public void setId(int id) {
    this.id = id;
  }

  public void printResult() {
    System.out.println(getName() + "  quantity = " + quantity);
  }

  public void printInfo() {
    System.out.println(
        getName() + " state= " + state + " quantity = " + quantity + " tnext= " + tnext);
  }

  public String getName() {
    return name;
  }

  public void setName(String name) {
    this.name = name;
  }

  public void doStatistics(double delta) {}
}