package com.c2kernel.persistency.outcome;

import com.c2kernel.common.InvalidDataException;
import com.c2kernel.common.ObjectNotFoundException;
import com.c2kernel.entity.C2KLocalObject;
import com.c2kernel.events.Event;
import com.c2kernel.lookup.Path;
import com.c2kernel.persistency.ClusterStorage;
import com.c2kernel.persistency.ClusterStorageException;
import com.c2kernel.process.Gateway;

/**
 * @author Andrew Branson
 *
 * $Revision: 1.10 $
 * $Date: 2005/10/05 07:39:36 $
 *
 * Copyright (C) 2003 CERN - European Organization for Nuclear Research
 * All rights reserved. 
 */

//    public static final String codeRevision =
//           "$Revision: 1.10 $ $Date: 2005/10/05 07:39:36 $ $Author: abranson $";
public class Viewpoint implements C2KLocalObject {
	
	int ID = -1; // not really used in this

	// db fields
	int sysKey;
	String schemaName;
	String name;
	int schemaVersion;
	int eventId;	
	public static final int NONE = -1;
	
	public Viewpoint() {
		eventId = NONE;
		sysKey = Path.INVALID;
		schemaVersion = NONE;
		schemaName = null;
		name = null;
	}
	
	public Viewpoint(int sysKey, String schemaName, String name, int schemaVersion, int eventId) {
		this.sysKey = sysKey;
		this.schemaName = schemaName;
		this.name = name;
		this.schemaVersion = schemaVersion;
		this.eventId = eventId;
	}

	public Outcome getOutcome() throws ObjectNotFoundException, ClusterStorageException {
		if (eventId == NONE) throw new ObjectNotFoundException("No last eventId defined", "");
		Outcome retVal = (Outcome)Gateway.getStorage().get(sysKey, ClusterStorage.OUTCOME+"/"+schemaName+"/"+schemaVersion+"/"+eventId, null);
		return retVal;
	}

	public String getClusterType() {
		return ClusterStorage.VIEWPOINT;
	}


	/**
	 * Returns the eventId.
	 * @return int
	 */
	public int getEventId() {
		return eventId;
	}

	/**
	 * Returns the iD.
	 * @return int
	 */
	public int getID() {
		return ID;
	}

	/**
	 * Returns the name.
	 * @return String
	 */
	public String getName() {
		return name;
	}

	/**
	 * Returns the schemaName.
	 * @return String
	 */
	public String getSchemaName() {
		return schemaName;
	}

	/**
	 * Returns the schemaVersion.
	 * @return int
	 */
	public int getSchemaVersion() {
		return schemaVersion;
	}

	/**
	 * Returns the sysKey.
	 * @return int
	 */
	public int getSysKey() {
		return sysKey;
	}

	/**
	 * Sets the eventId.
	 * @param eventId The eventId to set
	 */
	public void setEventId(int eventId) {
		this.eventId = eventId;
	}

	/**
	 * Sets the iD.
	 * @param iD The iD to set
	 */
	public void setID(int iD) {
		ID = iD;
	}

	/**
	 * Sets the name.
	 * @param name The name to set
	 */
	public void setName(String name) {
		this.name = name;
	}

	/**
	 * Sets the schemaName.
	 * @param schemaName The schemaName to set
	 */
	public void setSchemaName(String schemaName) {
		this.schemaName = schemaName;
	}

	/**
	 * Sets the schemaVersion.
	 * @param schemaVersion The schemaVersion to set
	 */
	public void setSchemaVersion(int schemaVersion) {
		this.schemaVersion = schemaVersion;
	}

	/**
	 * Sets the sysKey.
	 * @param sysKey The sysKey to set
	 */
	public void setSysKey(int sysKey) {
		this.sysKey = sysKey;
	}

	/**
	 * Method getEvent.
	 * @return GDataRecord
	 */
	public Event getEvent()
        throws InvalidDataException, ClusterStorageException, ObjectNotFoundException
	{
        if (eventId == NONE)
            throw new InvalidDataException("No last eventId defined", "");

        return (Event)Gateway.getStorage().get(sysKey, ClusterStorage.HISTORY+"/"+eventId, null);
	}
    
    public String toString() {
        return name;
    }

}