<?xml version="1.0" encoding="UTF-8"?> <!-- $Author: hc $Date: 2015-8-13 上午10:30:25 $Revision: 1.0 $Purpose: --> <bm:model xmlns:bm="http://www.leaf-framework.org/schema/bm"> <bm:operations> <bm:operation name="query"> <bm:query-sql><![CDATA[select nvl(${/parameter/@batch_id}, ${/session/@session_id}) batch_id from dual]]></bm:query-sql> <bm:parameters> <bm:parameter inputPath="/parameter/@batch_id"/> <bm:parameter inputPath="/session/@session_id"/> </bm:parameters> </bm:operation> </bm:operations> </bm:model>