ruleManager.addRule(rule1);
        ruleManager.addRule(rule3);
        ruleManager.addRule(1, rule2); // Insert in middle

        List<Rule> rules = ruleManager.getRules();
        assertEquals(3, rules.size());
        assertEquals("rule1", rules.get(0).getRuleId());
        assertEquals("rule2", rules.get(1).getRuleId());
        assertEquals("rule3", rules.get(2).getRuleId());
    }

    /**

        assertTrue(ruleManager.hasRule(rule2));
        assertTrue(ruleManager.hasRule(rule3));

        ruleManager.removeRule(rule2);

        assertFalse(ruleManager.hasRule(rule2));
        assertTrue(ruleManager.hasRule(rule3));

        ruleManager.removeRule(rule3);

        assertFalse(ruleManager.hasRule(rule2));
        assertFalse(ruleManager.hasRule(rule3));
    }

            if (rule != null) {
                rules.add(rule);
            }
        }

        @Override
        public void addRule(int index, Rule rule) {
            if (rule != null) {
                rules.add(index, rule);
            }
        }

        @Override
        public boolean removeRule(Rule rule) {
            return rules.remove(rule);
        }

        assertSame(sharedProcessor, rule1.getResponseProcessor());
        assertSame(sharedProcessor, rule2.getResponseProcessor());
        assertSame(sharedProcessor, rule3.getResponseProcessor());

        // Different rule IDs
        assertEquals("rule1", rule1.getRuleId());
        assertEquals("rule2", rule2.getRuleId());
        assertEquals("rule3", rule3.getRuleId());

        // Different match results

}

func (r Rule) validateTransition() error {
	return r.Transition.Validate()
}

func (r Rule) validateNoncurrentTransition() error {
	return r.NoncurrentVersionTransition.Validate()
}

// GetPrefix - a rule can either have prefix under <rule></rule>, <filter></filter>
// or under <filter><and></and></filter>. This method returns the prefix from the
// location where it is available.
func (r Rule) GetPrefix() string {

 * and obtain the associated response processor.
 */
public interface Rule extends Serializable {

    /**
     * Determines if the given response data matches the rule.
     *
     * @param responseData the response data to be evaluated
     * @return true if the response data matches the rule, false otherwise
     */

	return pattern
}

// Rules - event rules
type Rules map[string]TargetIDSet

// Add - adds pattern and target ID.
func (rules Rules) Add(pattern string, targetID TargetID) {
	rules[pattern] = NewTargetIDSet(targetID).Union(rules[pattern])
}

// MatchSimple - returns true one of the matching object name in rules.
func (rules Rules) MatchSimple(objectName string) bool {
	for pattern := range rules {

		return err
	}
	if len(erep.Status) == 0 {
		erep.Status = Disabled
	}
	e.Status = erep.Status
	return nil
}

// Rule - a rule for replication configuration.
type Rule struct {
	XMLName                 xml.Name                `xml:"Rule" json:"Rule"`
	ID                      string                  `xml:"ID,omitempty" json:"ID,omitempty"`

	"http://dbflute.org/meta/lastadi10.dtd">
<components namespace="fessCrawler">
	<include path="crawler/container.xml" />
	<include path="crawler/transformer.xml" />

	<component name="ruleManager" class="org.codelibs.fess.crawler.rule.impl.RuleManagerImpl" instance="prototype">
		<postConstruct name="addRule">
			<arg>sitemapsRule</arg>
		</postConstruct>
		<postConstruct name="addRule">
			<arg>webHtmlRule</arg>
		</postConstruct>

	<component name="ruleManager"
		class="org.codelibs.fess.crawler.rule.impl.RuleManagerImpl" instance="prototype">
		<postConstruct name="addRule">
			<arg>sitemapsRule</arg>
		</postConstruct>
		<postConstruct name="addRule">
			<arg>fileRule</arg>
		</postConstruct>
	</component>

	<component name="sitemapsRule" class="org.codelibs.fess.crawler.rule.impl.SitemapsRule">
		<property name="ruleId">"sitemapsRule"</property>