Drools在StateLesskiesSession的列表输入中为每个项触发一个规则

Question

kieStatelessSession.execute(inputList)

Answer 1

对于你试图实现的目标，Drools中没有开箱即用的支持。如果您希望您的规则为每个事实评估一次，您将需要自己编写代码。

一种方法是在处理一个输入时标记另一种类型的事实：

declare Marker
  fact : Object
end

//Bellow are the rules that should be coming from your decision table.
//Each rule will do whatever it needs to do, and then it will create a 
//Marker fact for the fact that was processed.
//These rules now include a "not" Conditional Element to avoid a fact to be
//evaluated more than once.

rule "Rule 1"
salience 100
when 
  $fact: Object(...)   //your conditions
  not Marker(fact == $fact)
then
  //...   Your logic
  insert(new Marker($fact)); 
end

...


rule "Rule 50"
salience 50
when 
  $fact: Object(...)   //your conditions
  not Marker(fact == $fact)
then
  //...   Your logic
  insert(new Marker($fact)); 
end

希望能有所帮助，