/**
* Construct.
*
* @param kBase The <code>InternalKnowledgeBase</code> of this agenda.
* @param initMain Flag to initialize the MAIN agenda group
*/
public ReteAgenda(InternalKnowledgeBase kBase, boolean initMain) {
this.agendaGroups = new HashMap<String, InternalAgendaGroup>();
this.activationGroups = new HashMap<String, InternalActivationGroup>();
this.focusStack = new LinkedList<AgendaGroup>();
this.scheduledActivations = new org.drools.core.util.LinkedList<ScheduledAgendaItem>();
this.agendaGroupFactory = kBase.getConfiguration().getAgendaGroupFactory();
if (initMain) {
// MAIN should always be the first AgendaGroup and can never be
// removed
this.main = agendaGroupFactory.createAgendaGroup(AgendaGroup.MAIN, kBase);
this.agendaGroups.put(AgendaGroup.MAIN, this.main);
this.focusStack.add(this.main);
}
eager = new LinkedList<RuleAgendaItem>();
Object object =
ClassUtils.instantiateObject(
kBase.getConfiguration().getConsequenceExceptionHandler(),
kBase.getConfiguration().getClassLoader());
if (object instanceof ConsequenceExceptionHandler) {
this.legacyConsequenceExceptionHandler = (ConsequenceExceptionHandler) object;
} else {
this.consequenceExceptionHandler =
(org.kie.api.runtime.rule.ConsequenceExceptionHandler) object;
}
this.declarativeAgenda = kBase.getConfiguration().isDeclarativeAgenda();
}
public static RuleBaseUpdateListener createListener(String className, StatefulSession session) {
try {
RuleBaseUpdateListener listener =
(RuleBaseUpdateListener) ClassUtils.instantiateObject(className);
listener.setSession(session);
return listener;
} catch (Throwable e) {
throw new RuntimeException(
"Unable to instantiate RuleBaseUpdateListener '" + className + "'", e);
}
}