Examples with Watch org.kie.api.definition.rule.Watch used on opensource projects

Example 1 with Watch

use of org.kie.api.definition.rule.Watch in project drools by kiegroup.

the class PatternBuilder method processListenedPropertiesAnnotation.

protected void processListenedPropertiesAnnotation(RuleBuildContext context, PatternDescr patternDescr, Pattern pattern) {
    String watchedValues = null;
    try {
        Watch watch = getTypedAnnotation(patternDescr, Watch.class);
        watchedValues = watch == null ? null : watch.value();
    } catch (Exception e) {
        registerDescrBuildError(context, patternDescr, e.getMessage());
    }
    if (watchedValues == null) {
        return;
    }
    Collection<String> settableProperties = getSettableProperties(context, patternDescr, pattern);
    List<String> listenedProperties = new ArrayList<>();
    for (String propertyName : watchedValues.split(",")) {
        propertyName = propertyName.trim();
        if (propertyName.equals("*") || propertyName.equals("!*")) {
            if (listenedProperties.contains("*") || listenedProperties.contains("!*")) {
                registerDescrBuildError(context, patternDescr, "Duplicate usage of wildcard * in @" + Watch.class.getSimpleName() + " annotation");
            } else {
                listenedProperties.add(propertyName);
            }
            continue;
        }
        boolean isNegative = propertyName.startsWith("!");
        propertyName = isNegative ? propertyName.substring(1).trim() : propertyName;
        if (settableProperties != null && !settableProperties.contains(propertyName)) {
            registerDescrBuildError(context, patternDescr, "Unknown property " + propertyName + " in @" + Watch.class.getSimpleName() + " annotation");
        } else if (listenedProperties.contains(propertyName) || listenedProperties.contains("!" + propertyName)) {
            registerDescrBuildError(context, patternDescr, "Duplicate property " + propertyName + " in @" + Watch.class.getSimpleName() + " annotation");
        } else {
            listenedProperties.add(isNegative ? "!" + propertyName : propertyName);
        }
    }
    pattern.addWatchedProperties(listenedProperties);
}