iBATIS SQL 2000 procedure

 sqlMap：
<parameterMap id="pm_in_applyKobei" class="java.util.Map">
<parameter property="userId" javaType="int" jdbcType="INTEGER" mode="INOUT" />
<parameter property="rtnStr" javaType="string" jdbcType="VARCHAR" mode="INOUT" />
</parameterMap>
<procedure id="duankoo_validKooBei" parameterMap="pm_in_applyKobei">
{call duankoo_validKooBei(?,?)}
</procedure>


javaCode：
public String applyKoBei(Integer userId) {
String rtnStr = "";
HashMap map = new HashMap();
map.put("userId", 2);
map.put("rtnStr", rtnStr);
this.getSqlMapClientTemplate().queryForObject("integral.duankoo_validKooBei",map);
return (String)map.get("rtnStr");
}