Chapter 13. Elements and Variables

13.1. Property Access on Java Beans (POJOs)

Any bean property can be used directly. A bean property is exposed using a standard Java bean getter: a method getMyProperty() (or isMyProperty() for a primitive boolean) which takes no arguments and return something.
JBoss Rules uses the standard JDK Introspector class to do this mapping, so it follows the standard Java bean specification.

Warning

Property accessors must not change the state of the object in a way that may effect the rules. The rule engine effectively caches the results of its matching in between invocations to make it faster.
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