我有一个接收有效负载(JsonData)的Java组件,如下所示:
I have a Java component that receives a payload (JsonData), like this:
public String myMethod(JsonData payload) throws IOException { // do things with payload. }这个工作正常,但我还需要访问一个流变量方法。我明白,为此,我需要运行myMessage.getInvocationProperty(my-variable-name); 但是,由于我只传递了有效负载,因此我无法访问MuleMessage。如何更改方法以便我可以访问我的消息/属性?
This is working fine, but I also need to access a flow variable within the method. I understand that, to do so, I need to run myMessage.getInvocationProperty("my-variable-name"); However, since I'm only passing the payload, I don't have access to the MuleMessage. How can I change my method so I can get access to my message/property?
我试过:
org.mule.RequestContext.getEvent().getMessage()但它已被弃用。
此外,我已经阅读了有关此问题的各种答案,但从未找到完整答案。
Also, I've read all sorts of answers on this issue but never found a complete answer.
谢谢,
推荐答案将流量变量作为第二个参数传递给 myMethod 通过调用消息处理器。
Pass the flow variable as a second argument to myMethod via the invoke message processor.
因此,假设 myMethod 是:
public String myMethod(JsonData payload, String myVariable) throws IOException { // do things with payload. }你会这样做:
<invoke object-ref="myComponent" method="myMethod" methodArguments="#[message.payload],#[flowVars['my-variable-name']]" />更多推荐
从Java组件访问MuleMessage和流变量
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