Create an entity to model the effects of a beverage including event listeners.

BeverageEffect.java

@Entity
public class BeverageEffects extends ManagedEntity implements IManagedEntity
{
  public BeverageEffects()
  {

  }

  protected Beverage beverage;

  public BeverageEffects(Beverage beverage)
  {
      this.beverage = beverage;
  }

  @Identifier(generator = IdentifierGenerator.SEQUENCE)
  @Attribute
  protected long behaviorId;

  @Attribute
  protected String description;

  // Getters and setters
}