@Override
public Boolean isEnabled(String ruleUID) {
if (disabledRulesStorage != null && disabledRulesStorage.get(ruleUID) != null) {
return Boolean.FALSE;
}
return ruleEngine.hasRule(ruleUID)
? !ruleEngine.getRuleStatus(ruleUID).equals(RuleStatus.DISABLED)
: null;
}
@Override
public synchronized Rule update(Rule element) {
Rule old = null;
if (element != null) {
old = super.update(element); // update storage with new rule and return old rule
if (old != null) {
postEvent(RuleEventFactory.createRuleUpdatedEvent(element, old, SOURCE));
String rUID = element.getUID();
if (disabledRulesStorage != null && disabledRulesStorage.get(rUID) != null) {
ruleEngine.setRuleEnabled(rUID, false);
}
ruleEngine.updateRule(element); // update memory map
}
}
return old;
}
@Override
public synchronized void add(Rule element) {
if (element == null) {
throw new IllegalArgumentException("The added rule must not be null!");
}
String rUID = element.getUID();
if (!hasManagedRuleProvider) {
throw new IllegalStateException(
"ManagedProvider is not available. The rule '"
+ (rUID != null ? rUID : element)
+ "' can't be added!");
}
Rule ruleToPersist;
if (rUID != null && disabledRulesStorage != null && disabledRulesStorage.get(rUID) != null) {
ruleToPersist = ruleEngine.addRule(element, false);
} else {
ruleToPersist = ruleEngine.addRule(element, true);
}
super.add(ruleToPersist);
postEvent(RuleEventFactory.createRuleAddedEvent(ruleToPersist, SOURCE));
}
@Override
protected synchronized void addProvider(Provider<Rule> provider) {
if (provider instanceof ManagedRuleProvider) {
hasManagedRuleProvider = true;
}
Collection<Rule> rules = provider.getAll();
for (Iterator<Rule> it = rules.iterator(); it.hasNext(); ) {
Rule rule = it.next();
try {
String rUID = rule.getUID();
if (rUID != null
&& disabledRulesStorage != null
&& disabledRulesStorage.get(rUID) != null) {
ruleEngine.addRule(rule, false);
} else {
ruleEngine.addRule(rule, true);
}
} catch (Exception e) {
logger.error(
"Can't add rule: " + rule.getUID() + " into rule engine from provider " + provider, e);
}
}
super.addProvider(provider);
}