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我正在尝试按属性过滤事件,但它不起作用。但是,如果我按一个值过滤它,它就可以正常工作。有什么方法可以通过 configPlan 文件中定义的值过滤我的事件?

我正在尝试这样做:

这不起作用:

<business-events>
  <subscribe xmlns:sub1="http://www.vxxxxxx/events/edl/xxx"
             name="sub1:UxxxxxxxxEvent" consistency="oneAndOnlyOne"
             runAsRoles="$publisher">
    <filter>
      <xpath xmlns:co="http://www.vxxxxxx/schema/xxx/Common"
             xmlns:tns="http://www.vxxxxxx/schema/xxx/Uxxx"
             xmlns:be="http://oracle.com/fabric/businessEvent"
             expression='/be:business-event/be:content/tns:Uxxxxxxx_v1.0/@enviroment = ora:getPreference('enviroment')'/>
    </filter>
  </subscribe>

有用:

<business-events>
  <subscribe xmlns:sub1="http://www.vxxxxxx/events/edl/xxx"
             name="sub1:UxxxxxxxxEvent" consistency="oneAndOnlyOne"
             runAsRoles="$publisher">
    <filter>
      <xpath xmlns:co="http://www.vxxxxxx/schema/xxx/Common"
             xmlns:tns="http://www.vxxxxxx/schema/xxx/Uxxx"
             xmlns:be="http://oracle.com/fabric/businessEvent"
             expression="/be:business-event/be:content/tns:Uxxxxxxx_v1.0/@enviroment = 'TEST'"/>
    </filter>
  </subscribe>

坦克。

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