private DataRetentionRule buildRule(final int ruleNo,
                                        final String feedName,
                                        final int age,
                                        final TimeUnit timeUnit) {

        final ExpressionOperator expressionOperator = ExpressionOperator.builder()
                .addTerm(MetaFields.FIELD_FEED, Condition.EQUALS, feedName)
                .addTerm(MetaFields.FIELD_TYPE, Condition.EQUALS, TEST_STREAM_TYPE)
                .build();

        // The age on the rule doesn't matter for the dao tests
        return buildRule(ruleNo, expressionOperator, age, timeUnit);
    }
Seeing which execution timer was faster
stroom-meta/stroom-meta-impl-db/src/test/java/stroom/meta/impl/db/TestMetaServiceImpl.java