public void setRegulationEffective(boolean regulationEffective) {
        this.regulationEffective = regulationEffective;
        FaultToleranceConfigManager.calcEnable();
    }
Gets weight degrade rate.

@return the weight degrade rate
fault/fault-tolerance/src/main/java/com/alipay/sofa/rpc/client/aft/FaultToleranceConfig.java