Bug 182061 Data engine changes to support result set sharing
data/org.eclipse.birt.data/src/org/eclipse/birt/data/engine/impl/ResultIterator.java
if ( hasNext )
			this.prepareCurrentRow( );
		
		if ( ! hasNext )
			state = AFTER_LAST_ROW;
		
		return hasNext;
	}
	
	/**
	 * @return
	 * @throws DataException 
	 */
	protected boolean hasNextRow( ) throws DataException
	{
		return this.odiResult.next( );
	}
	/*
	 * (non-Javadoc)
	 * @see org.eclipse.birt.data.engine.api.IResultIterator#isEmpty()
	 */
	public boolean isEmpty() throws DataException
	{
		return this.odiResult.getRowCount( ) == 0 ? true : false;
	}
	
	/*
	 * @see org.eclipse.birt.data.engine.api.IResultIterator#getRowId()
	 */