[rules-users] Inconsistent output when @PropertyReactive is used
Below is a test to demonstrate it, also add the @PropertyReactive property to
MyClass()
package com.sample;
rule base
when m : MyClass(data == null)
then
end
rule "2" extends base
when
String()
MyClass(value != "test") from m
then
System.out.println("2 fired");
end
rule "1" extends base
salience 1
when
MyClass(value == null) from m
then
System.out.println("1 fired");
insert(new String());
modify(m) { setValue("test") }
end
The test above should output "1 fired" and "2 fired".
Although we have set the value to "test", rule "2" supposes to not
fire, but
it is in fact expected to fire due to the non-reactive property of CE
"from", and the result confirms this.
But if we reorder the code in rule "1" to
rule "1" extends base
salience 1
when
MyClass(value == null) from m
then
System.out.println("1 fired");
modify(m) { setValue("test") }
insert(new String());
end
Then you get only "1 fired", as if CE "from" is reactive again.
This only happens when you have the @PropertyReactive property added to
MyClass()
Version tested are 5.5.0.Final and 5.6.0.Final
Could the Drools team review this? Thank you.
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