public QueryImpl(String queryString,
    SessionImplementor session,
    ParameterMetadata parameterMetadata) 
{
		this( queryString, null, session, parameterMetadata );
}

 public QueryImpl(String queryString,
    FlushMode flushMode,
    SessionImplementor session,
    ParameterMetadata parameterMetadata) 
{
	 
		super( queryString, flushMode, session, parameterMetadata );
}

 public int executeUpdate() throws HibernateException 
{
		verifyParameters();
		Map namedParams = getNamedParams();
		before();
		try {
            return getSession().executeUpdate(
                    expandParameterLists( namedParams ),
                    getQueryParameters( namedParams )
	            );
		}
		finally {
			after();
		}
}

 protected Map getLockModes() 
{
		return lockModes;
}

 public Iterator iterate() throws HibernateException 
{
		verifyParameters();
		Map namedParams = getNamedParams();
		before();
		try {
			return getSession().iterate(
					expandParameterLists(namedParams),
			        getQueryParameters(namedParams)
				);
		}
		finally {
			after();
		}
}

 public List list() throws HibernateException 
{
		verifyParameters();
		Map namedParams = getNamedParams();
		before();
		try {
			return getSession().list(
					expandParameterLists(namedParams),
			        getQueryParameters(namedParams)
				);
		}
		finally {
			after();
		}
}

 public ScrollableResults scroll() throws HibernateException 
{
		return scroll( ScrollMode.SCROLL_INSENSITIVE );
}

 public ScrollableResults scroll(ScrollMode scrollMode) throws HibernateException 
{
		verifyParameters();
		Map namedParams = getNamedParams();
		before();
		QueryParameters qp = getQueryParameters(namedParams);
		qp.setScrollMode(scrollMode);
		try {
			return getSession().scroll( expandParameterLists(namedParams), qp );
		}
		finally {
			after();
		}
}

 public Query setLockMode(String alias,
    LockMode lockMode) 
{
		lockModes.put(alias, lockMode);
		return this;
}