/* ======================================================================
   Parts Copyright 2006 University of Leeds, Oxford University, University of the Highlands and Islands.

   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
   You may obtain a copy of the License at

       http://www.apache.org/licenses/LICENSE-2.0

   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.

====================================================================== */

package org.bodington.assessment;

import java.sql.Timestamp;
import java.util.Enumeration;
import java.util.Vector;

import org.bodington.database.*;
import org.bodington.server.*;
import org.bodington.server.resources.*;

public class McqPaper extends org.bodington.server.resources.Resource
	{
	private static final byte FLAG_ONCE_ONLY = 1;
	private static final byte FLAG_MARK_WITHELD = 2;
	
	
	private PrimaryKey mcq_paper_id;
	private byte mcq_flags;
	private Timestamp deadline;
	
	private Vector questionsinorder;
	
	
    public Class sessionClass()
    	{
        // This method is derived from class org.bodington.server.resources.Resource
        // to do: code goes here
        return org.bodington.assessment.McqPaperSessionImpl.class;
    	}
    	

   	public static McqPaper findMcqPaper( PrimaryKey key )
		throws BuildingServerException
		{
		return (McqPaper)findPersistentObject( key, "org.bodington.assessment.McqPaper" );
		}
	public static Enumeration findMcqPapers( String where )
	    throws BuildingServerException
	    {
	    return findPersistentObjects( where, "org.bodington.assessment.McqPaper" );
	    }
	public static Enumeration findMcqPapers( String where, String order )
	    throws BuildingServerException
	    {
	    return findPersistentObjects( where, order, "org.bodington.assessment.McqPaper" );
	    }
	    
	    
	    


    public PrimaryKey getPrimaryKey()
		{
        return getMcqPaperId();
        }

    public void setPrimaryKey(PrimaryKey key)
    	{
    	setMcqPaperId( key );
    	}
    	

    public PrimaryKey getMcqPaperId()
		{
        return mcq_paper_id;
        }

    public void setMcqPaperId(PrimaryKey key)
    	{
    	mcq_paper_id = key;
    	setResourceId( key );
    	setUnsaved();
    	}
    	
    	
	public byte getMcqFlags()
		{
		return mcq_flags;
		}
	public void setMcqFlags( byte f )
		{
		if ( f==mcq_flags ) return;
		mcq_flags=f;
    	setUnsaved();
		}

	public boolean isOnceOnly()
		{
		return (mcq_flags & FLAG_ONCE_ONLY)!=0;
		}
	public void setOnceOnly( boolean b )
		{
		if ( isOnceOnly() == b )
			return;
		mcq_flags = (byte)(mcq_flags ^ FLAG_ONCE_ONLY);
		setUnsaved();
		}
		
		
	public boolean isMarkWitheld()
		{
		return (mcq_flags & FLAG_MARK_WITHELD)!=0;
		}
	public void setMarkWitheld( boolean b )
		{
		if ( isMarkWitheld() == b )
			return;
		mcq_flags = (byte)(mcq_flags ^ FLAG_MARK_WITHELD);
		setUnsaved();
		}
		
		
	public Timestamp getDeadline()
		{
		return deadline;
		}
		
	public void setDeadline( Timestamp t )
		{
		if ( deadline==null && t==null )
			return;
		if ( deadline!=null && t != null )
			if ( deadline.equals( t ) )
				return;
		deadline = t;
		setUnsaved();
		}


    public int getResourceType()
    	{
    	return RESOURCE_MCQ;
    	}
		
	}