source: DCWoRMS/branches/coolemall/src/schedframe/resources/units/PEUnit.java @ 1384

package schedframe.resources.units;


public class PEUnit extends AbstractResourceUnit {
        
        protected int total;
        protected int used;
        protected int peSpeed;
        
        public PEUnit(PEUnit pe, int total, int used) {
                super(pe);
                this.total = total;
                this.used = used;
                this.peSpeed = 1;
        }
        
        protected PEUnit(){
                super(StandardResourceUnitName.PE);
                this.peSpeed = 1;
        }
        
        public PEUnit(int total, int used, int avgSpeed){
                this();
                this.total = total;
                this.used = used;
                this.peSpeed = avgSpeed;
        }
        
        public PEUnit(String resId, int total, int used) {
                super(StandardResourceUnitName.PE, resId);
                this.total = total;
                this.used = used;
                this.peSpeed = 1;
        }
        
        public void setSpeed(int speed) {
                this.peSpeed = speed;
        }
        
        public int getSpeed(){
                return this.peSpeed;
        }
        
        public int getFreeAmount() {
                return this.total - this.used;
        }
        
        public int getUsedAmount(){
                return this.used;
        }

        public int getAmount(){
                return this.total;
        }
        
        public void setUsedAmount(int amount) {
                this.used = amount;
        }
        
        public void reset(){
                this.used = 0;
        }
        
        public ResourceUnit toDiscrete(){
                throw new UnsupportedOperationException();
        }
        
        
        /**
         * Compares processing power of the free processors, which is calculated as product
         * of {@link #getAmount()} * {@link #getProcessorSpeed()}
         * Returns a negative integer, zero, or a positive integer as this object is less
     * than, equal to, or greater than the specified object
         */
        public int compareTo(ResourceUnit o) {
                if(o instanceof PEUnit){
                        PEUnit pe = (PEUnit) o;
                        int p_power = pe.getAmount() * pe.getSpeed();
                        int power = this.getAmount() * this.getSpeed();
                        if(power < p_power) return -1;
                        if(power > p_power) return 1;
                        return 0;
                } else {
                        throw new ClassCastException();
                }
        }
        
        public boolean equals(Object o){
                if(o instanceof PEUnit){
                        if(!super.equals(o))
                                return false;
                        PEUnit pe = (PEUnit) o;
                        if(pe.getSpeed() != this.getSpeed()) return false;
                        return true;
                } else {
                        return false;
                }
        }

        public PEUnit replicate (int amount){
                amount = Math.min(getAmount(), amount);
                PEUnit peUnit = new PEUnit(this, amount, amount);
                return peUnit;
        }
}