Examples with GenericRuleEventSpec org.openksavi.sponge.core.rule.GenericRuleEventSpec used on opensource projects

Example 1 with GenericRuleEventSpec

use of org.openksavi.sponge.core.rule.GenericRuleEventSpec in project sponge by softelnet.

the class BaseKnowledgeBaseInterpreter method getCustomRuleEventSpec.

/**
 * Resolves event specification "<name> <alias> : <mode>". Uses default value when one not provided.
 *
 * @param eventSpecString event specification.
 * @return rule event specification, i.e. a triple of (name, alias, mode).
 */
protected RuleEventSpec getCustomRuleEventSpec(String eventSpecString) {
    if (eventSpecString == null) {
        throw new SpongeException("Event specification is null");
    }
    List<String> mainList = Arrays.stream(eventSpecString.split(":")).map(s -> s.trim()).filter(s -> !s.isEmpty()).collect(Collectors.toList());
    if (mainList.isEmpty()) {
        throw new SpongeException("Event specification is empty");
    } else if (mainList.size() > 2) {
        throw new SpongeException("Event specification has too many elements separated by ':'");
    }
    ImmutablePair<String, String> nameAlias = resolveEventNameAndAlias(mainList.get(0));
    EventMode eventMode = RuleAdapter.DEFAULT_MODE;
    if (mainList.size() == 2) {
        try {
            eventMode = EventMode.valueOf(mainList.get(1).toUpperCase());
        } catch (Exception e) {
            throw new SpongeException("Event mode is incorrect: " + mainList.get(1));
        }
    }
    return new GenericRuleEventSpec(nameAlias.getLeft(), nameAlias.getRight(), eventMode);
}