if( RowSaveUtil.EXCEPTION_INDICATOR.equals( exprValue )) continue;
if ( RowSaveUtil.EXCEPTION_INDICATOR.equals( exprValue ) ) exprValue = null;
	private Map getValueMap( ) throws IOException	{		Map valueMap = new HashMap( );		int exprCount = IOUtil.readInt( rowExprsDis );		for ( int i = 0; i < exprCount; i++ )		{			String exprID = this.exprKeys.get( i ).toString( );			Object exprValue = IOUtil.readObject( rowExprsDis );			if( RowSaveUtil.EXCEPTION_INDICATOR.equals( exprValue ))				continue;			valueMap.put( exprID, exprValue );		}		return valueMap;	}