Examples with ATTRIBUTE_CALL org.drools.modelcompiler.builder.generator.DslMethodNames.ATTRIBUTE_CALL used on opensource projects

Example 1 with ATTRIBUTE_CALL

use of org.drools.modelcompiler.builder.generator.DslMethodNames.ATTRIBUTE_CALL in project drools by kiegroup.

the class ModelGenerator method ruleAttributes.

/**
 * Build a list of method calls, representing each needed {@link org.drools.model.impl.RuleBuilder#attribute(org.drools.model.Rule.Attribute, Object)}
 * starting from a drools-compiler {@link RuleDescr}.
 * The tuple represent the Rule Attribute expressed in JavParser form, and the attribute value expressed in JavaParser form.
 */
private static List<MethodCallExpr> ruleAttributes(RuleContext context, RuleDescr ruleDescr) {
    final List<MethodCallExpr> ruleAttributes = new ArrayList<>();
    final Set<Entry<String, AttributeDescr>> excludingDialect = ruleDescr.getAttributes().entrySet().stream().filter(r -> !r.getKey().equals("dialect")).collect(Collectors.toSet());
    for (Entry<String, AttributeDescr> as : excludingDialect) {
        MethodCallExpr attributeCall = new MethodCallExpr(null, ATTRIBUTE_CALL);
        attributeCall.addArgument(attributesMap.get(as.getKey()));
        String value = as.getValue().getValue().trim();
        switch(as.getKey()) {
            case "salience":
                try {
                    Integer.parseInt(value);
                    attributeCall.addArgument(value);
                } catch (NumberFormatException nfe) {
                    addDynamicAttributeArgument(context, attributeCall, value, int.class);
                }
                break;
            case "enabled":
                if (value.equalsIgnoreCase("true") || value.equalsIgnoreCase("false")) {
                    attributeCall.addArgument(value.toLowerCase());
                } else {
                    addDynamicAttributeArgument(context, attributeCall, value, boolean.class);
                }
                break;
            case "no-loop":
            case "auto-focus":
            case "lock-on-active":
                attributeCall.addArgument(value);
                break;
            case "agenda-group":
            case "activation-group":
            case "ruleflow-group":
            case "duration":
                attributeCall.addArgument(toStringLiteral(value));
                break;
            case "timer":
                if (validateTimer(value)) {
                    attributeCall.addArgument(toStringLiteral(value));
                } else {
                    context.addCompilationError(new InvalidExpressionErrorResult(value));
                }
                break;
            case "calendars":
                if (value.startsWith("[")) {
                    value = value.substring(1, value.length() - 1).trim();
                }
                Expression arrayExpr = parseExpression("new String[] { " + value + " }");
                attributeCall.addArgument(arrayExpr);
                break;
            case "date-effective":
            case "date-expires":
                attributeCall.addArgument(parseExpression(String.format("java.util.GregorianCalendar.from(java.time.LocalDate.parse(\"%s\", " + DATE_TIME_FORMATTER_FIELD + ").atStartOfDay(java.time.ZoneId.systemDefault()))", as.getValue().getValue())));
                break;
            default:
                throw new UnsupportedOperationException("Unhandled case for rule attribute: " + as.getKey());
        }
        ruleAttributes.add(attributeCall);
    }
    return ruleAttributes;
}