*/
    public boolean match(final Map<String, Object> map) {

        if (map == null || map.isEmpty() || matchExpression == null) {
            return false;
        }

        final Object value = ComponentUtil.getScriptEngineFactory().getScriptEngine(scriptType).evaluate(matchExpression, map);
        if (value instanceof Boolean) {
            return (Boolean) value;
        }

        return false;
    }

		<property name="threadDump">false</property>
		<postConstruct name="addBoostDocumentRule">
			<arg>
				<component class="org.codelibs.fess.indexer.BoostDocumentRule">
					<property name="matchExpression">"url.matches(\".*fess.*\")"</property>
					<property name="boostExpression">"1000.0"</property>
				</component>
			</arg>
		</postConstruct>
		 -->
	</component>
	<component name="crawlerStatsHelper"

        assertFalse(docBoostMatcher.match(new HashMap<>()));
    }

    @Test
    public void test_match_nullExpression() {
        final DocBoostMatcher docBoostMatcher = new DocBoostMatcher();
        // matchExpression is null by default
        final Map<String, Object> map = new HashMap<String, Object>();
        map.put("data1", 1);
        assertFalse(docBoostMatcher.match(map));
    }

    @Test