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Cristal-ise is a description-driven software platform originally developed to track the construction of the CMS ECAL detector of the LHC at CERN. This is its core library, known as the kernel, which manages business objects called Items. Items are entirely configured from data, called descriptions, held in other Items. Every change of a state in an Item is a consequence of an execution of an activity in that Item's lifecycle, meaning that Cristal-ise applications are completely traceable, even in their design. It also supports extensive versioning of Item description data, giving the system a high level of flexibility.

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/**
 * This file is part of the CRISTAL-iSE kernel.
 * Copyright (c) 2001-2015 The CRISTAL Consortium. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published
 * by the Free Software Foundation; either version 3 of the License, or (at
 * your option) any later version.
 *
 * This library is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; with out even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
 * License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this library; if not, write to the Free Software Foundation,
 * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
 *
 * http://www.fsf.org/licensing/licenses/lgpl.html
 */
package org.cristalise.kernel.persistency.outcome;

import org.cristalise.kernel.common.InvalidDataException;
import org.cristalise.kernel.common.ObjectNotFoundException;
import org.cristalise.kernel.common.PersistencyException;
import org.cristalise.kernel.entity.C2KLocalObject;
import org.cristalise.kernel.events.Event;
import org.cristalise.kernel.lookup.InvalidItemPathException;
import org.cristalise.kernel.lookup.ItemPath;
import org.cristalise.kernel.persistency.ClusterStorage;
import org.cristalise.kernel.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 class Viewpoint implements C2KLocalObject {

	// db fields
	ItemPath itemPath;
	String schemaName;
	String name;
	int schemaVersion;
	int eventId;
	public static final int NONE = -1;

	public Viewpoint() {
		eventId = NONE;
		itemPath = null;
		schemaVersion = NONE;
		schemaName = null;
		name = null;
	}

	@Deprecated
	public Viewpoint(ItemPath itemPath, String schemaName, String name, int schemaVersion, int eventId) {
		this.itemPath = itemPath;
		this.schemaName = schemaName;
		this.name = name;
		this.schemaVersion = schemaVersion;
		this.eventId = eventId;
	}
	
	public Viewpoint(ItemPath itemPath, Schema schema, String name, int eventId) {
		this.itemPath = itemPath;
		this.schemaName = schema.getName();
		this.name = name;
		this.schemaVersion = schema.getVersion();
		this.eventId = eventId;
	}

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

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


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

	/**
	 * Returns the name.
	 * @return String
	 */
	@Override
	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 ItemPath getItemPath() {
		return itemPath;
	}

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

	/**
	 * Sets the name.
	 * @param name The name to set
	 */
	@Override
	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 setItemPath(ItemPath itemPath) {
		this.itemPath = itemPath;
	}
	
    public void setItemUUID( String uuid ) throws InvalidItemPathException
    {
    	setItemPath(new ItemPath(uuid));
    }
    
    public String getItemUUID() {
    	return getItemPath().getUUID().toString();
    }

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

        return (Event)Gateway.getStorage().get(itemPath, ClusterStorage.HISTORY+"/"+eventId, null);
	}

    @Override
	public String toString() {
        return name;
    }

}