/**
 *
 */
package com.c2kernel.utils;

import com.c2kernel.common.InvalidDataException;
import com.c2kernel.common.ObjectNotFoundException;
import com.c2kernel.entity.proxy.ItemProxy;
import com.c2kernel.lifecycle.ActivityDef;
import com.c2kernel.persistency.ClusterStorage;
import com.c2kernel.persistency.ClusterStorageException;
import com.c2kernel.persistency.outcome.Viewpoint;
import com.c2kernel.process.Gateway;

public class ActDefCache extends DescriptionObjectCache<ActivityDef> {

	
	@Override
	public String getDefRoot() {
		return "/desc/ActivityDesc";
	}
	
	@Override
	public ActivityDef loadObject(String name, int version, ItemProxy proxy) throws ObjectNotFoundException, InvalidDataException {
		ActivityDef thisActDef;
        String actType = proxy.getProperty("Complexity");
        Viewpoint actView = (Viewpoint)proxy.getObject(ClusterStorage.VIEWPOINT + "/" + actType + "ActivityDef/" + version);
        String marshalledAct;
		try {
			marshalledAct = actView.getOutcome().getData();
		} catch (ClusterStorageException ex) {
			Logger.error(ex);
			throw new ObjectNotFoundException("Problem loading "+name+" v"+version+": "+ex.getMessage(), "");
		}
		try {
			thisActDef = (ActivityDef)Gateway.getMarshaller().unmarshall(marshalledAct);
		} catch (Exception ex) {
			Logger.error(ex);
			throw new InvalidDataException("Could not unmarshall '"+name+"' v"+version+": "+ex.getMessage(), "");
		}
        thisActDef.setName(name);
        thisActDef.setVersion(version);
        return thisActDef;
	}

}