Event.java

//Whatcom Community College - Winter 2019
//CS240 Data Structures and Algorithm Analysis
//Professor Ryan Parsons
//AUTHORS: Adib Thaqif, Andrew Jacobi, Donald Strong, and Micah Miller
//
//Constructor class to create an Event object. This object will be used as part of the Choices Game project.

public class Event {

   //Initialize variables
   public String aspect, text;
   public int reward, punishment;
   public boolean played;

   //CONSTRUCTOR. Takes in String text which will describe the specific event, and two int values that determine
   //the percentage added (for the reward) or deducted (for the punishment) from the running total.
   //Throws an IllegalArgumentException if the reward is negative and/or the punishment is positive.
   public Event(String aspect, String text, int reward, int punishment) {
      this.aspect = aspect;
      this.text = text;
      if (reward < 0) {
         throw new IllegalArgumentException("Rewards must be positive!");
      } else {
         this.reward = reward;
      }
      if (punishment > 0) {
         throw new IllegalArgumentException("Punishments must be negative!");
      } else {
         this.punishment = punishment;
      }
   }

   //CONSTRUCTOR. Returns an empty Event object.
   public Event() {
   }

   //toString() method that prints out the Event's text, followed by both the reward and punishment values.
   public String toString() {
      return "Event: " + text +"\nReward: +" + reward + "% \tPunishment: " + punishment + "%";
   }

   //add() method that takes in a String for the text, a positive int for the reward, and a negative value
   //for the punishment. This method allows you to add all three of these fields to an empty Event object.
   //Throws an IllegalStateException if the Event object is not null when trying to add these fields.
   //Throws an IllegalArgumentException if the reward value is negative, or if the punishment value is positive.
   public void add(String data, int newReward, int newPunishment) {
      if (!isEmpty()) {
         throw new IllegalStateException("You can only add to an empty Event object!");
      } else if (newReward < 0) {
         throw new IllegalArgumentException("Rewards must be positive!");
      } else if (newPunishment > 0) {
         throw new IllegalArgumentException("Punishments must be negative!");
      } else {
         this.text = data;
      }
      this.reward = newReward;
      this.punishment = newPunishment;
      
   }

   //delete() method that deletes the data in the text, reward, and punishment field's and returns an empty Event
   //object.
   public void delete() {
      this.aspect = null;
      this.text = null;
      this.reward = 0;
      this.punishment = 0;
   }

   public String getAspect() {
      return this.aspect;
   }

   public int getReward() {
      return this.reward;
   }

   public int getPunishment() {
      return this.punishment;
   }

   public String getEvent() {
      return this.text;
   }

   public int getEventHashCode() {
      return this.text.hashCode();
   }

   //isEmpty() method to check if the text field is null. If null, return true; else return false.
   public boolean isEmpty() {
      return (this.text == null);
   }


} //End of Class