@Override
    public void accept(final MeterEntity entity, final DataTable value) {
        this.entityId = entity.id();
        this.serviceId = entity.serviceId();
        this.value.append(value);
    }
@Test
    public void testAccept() {
        function.accept(
            MeterEntity.newService("service-test", Layer.GENERAL),
            HTTP_CODE_COUNT_1
        );
        function.accept(
            MeterEntity.newService("service-test", Layer.GENERAL),
            HTTP_CODE_COUNT_2
        );

        Assertions.assertEquals(function.getValue(), new DataTable("200,3|301,2|404,7|502,9|505,1"));
    }