source: xssim/trunk/src/schedframe/scheduling/TimeResourceAllocation.java @ 104

package schedframe.scheduling;

import java.util.Collection;
import java.util.Iterator;

import org.joda.time.DateTime;
import org.joda.time.MutableInterval;

import schedframe.resources.ResourceDescription;
import schedframe.resources.units.ResourceUnit;

/**
 * This class defines a resource allocation over time
 * It contains information about time frame and specific resources allocated
 * It may be initialized by a description of allocated resources or 
 * by a list of allocated resource units (e.g. number of CPUs, memory etc.)
 * 
 * @author Ariel
 * @author Marcin Krystek
 */
public class TimeResourceAllocation extends MutableInterval {
        
        /**
         * 
         */
        private static final long serialVersionUID = -8327181428985141349L;

        /**
         * Id of this allocation
         */
        protected String id;

        /**
         * Contains detail information about resource.
         */
        protected ResourceDescription allocatedResource;

        
        protected static int uniqueID_ = -1;
        
        protected synchronized int getUniqueID(){
                uniqueID_++;
                return uniqueID_;
        }
        
        public TimeResourceAllocation(DateTime startTime, DateTime endTime) {
                super(startTime, endTime);

                allocatedResource = null;
                
                id = String.valueOf(getUniqueID());
        }
        
        public TimeResourceAllocation(ResourceDescription allocatedResource, DateTime startTime,
                        DateTime endTime) {

                this(startTime, endTime);
                
                this.allocatedResource = allocatedResource;

        }

        /**
         * Copy constructor
         * @param alloc
         */
        public TimeResourceAllocation(TimeResourceAllocation alloc) {
                super(alloc.getStart(), alloc.getEnd());
                this.id = alloc.getId();
                this.allocatedResource = (ResourceDescription)alloc.getAllocatedResource().clone();
        }
        
        
        
        public String getId() {
                return id;
        }


        public ResourceDescription getAllocatedResource(){
                return this.allocatedResource;
        }
        
        public void setAllocatedResource(ResourceDescription resDesc){
                this.allocatedResource = resDesc;
        }

        public String toString() {
                String start = getStart().toString("YYYY-MM-dd HH:mm:ss");
                String end = getEnd().toString("YYYY-MM-dd HH:mm:ss");
                String resources = "";
                String desc = id + " resources: " + resources + " <" + start
                                + " - " + end + ">";

                Collection<ResourceUnit> res =  this.allocatedResource.getResourceUnit();
                if (res != null) {
                        Iterator<ResourceUnit> itr = res.iterator();
                        while(itr.hasNext()){
                                ResourceUnit unit = itr.next();
                                desc += unit;
                        }
                }
                return desc;
        }

        public boolean equals(Object obj) {
                if (obj instanceof TimeResourceAllocation == false)
                        return false;
                
                TimeResourceAllocation other = (TimeResourceAllocation) obj;
                
                if (! id.equals(other.id)) return false;
                
                return super.equals(other);
        }
        
}