DbCsvTraceModel.java

    @Nonnull
    @Override
    public List<PerClassStatistics> getRulesByClass()
        throws GrappaDebuggerException
    {
        waitForMatchers();

        return jooq.select(MATCHERS.CLASS_NAME, DSL.count().as("nrCalls"),
            DSL.countDistinct(NODES.MATCHER_ID).as("nrRules"))
            .from(MATCHERS, NODES)
            .where(NODES.MATCHER_ID.eq(MATCHERS.ID))
            .groupBy(MATCHERS.CLASS_NAME)
            .fetch()
            .map(new PerClassStatisticsMapper());
    }