Rules engine factory example for rules engine post

RulesEngineFactory.groovy

class RulesEngineFactory<E extends RulesEngine> {
    private final E engine
    public RulesEngineFactory(final Class<E> c) {
        this.engine = (E)c.newInstance()
        this.engine.engine = this.engine
    }
    
    def getObject(final def obj) {
        this.engine.obj = obj
        this.engine
    }
}