source: DCWoRMS/trunk/src/schedframe/resources/units/Cost.java @ 477

package schedframe.resources.units;



public class Cost extends AbstractResourceUnit {
        
        protected int value;

        public Cost(Cost c) {
                super(c);
                this.value = c.value;
        }
        
        public Cost(int value) {
                super(StandardResourceUnitName.COST);
                this.value = value;
        }
        
        public Cost(String resId, int value) {
                super(StandardResourceUnitName.COST, resId);
                this.value = value;
        }

        public int getFreeAmount() {
                return 0;
        }

        public int getUsedAmount(){
                return 0;
        }
        
        public void setUsedAmount(int amount){
        }
        
        public int getAmount(){
                return this.value;
        }

        public ResourceUnit toDiscrete() throws ClassNotFoundException {
                throw new ClassNotFoundException("There is no distinguish class version for " 
                                                                                + getClass().getName());
        }

        /**
         * Comparing two Memory objects is equivalent to
         * comparing the free amount of the resource. See {@link #getAmount()}
         */
        public int compareTo(ResourceUnit o) {
                if(o instanceof Cost){
                        if(this.value < o.getAmount()) return -1;
                        if(this.value > o.getAmount()) return 1;
                        return 0;
                } else {
                        throw new IllegalArgumentException(o + " is not an instance of " +
                                                                                        "memory resource unit.");
                }
        }

        public boolean equals(Object o){
                if(o instanceof Cost){
                        return super.equals(o);
                } else {
                        return false;
                }
        }
}