@Override
    public boolean equals(Object o) {
        if (this == o) {
            return true;
        }
        if (o == null || getClass() != o.getClass()) {
            return false;
        }

        InvocationStatDimension that = (InvocationStatDimension) o;

        if (providerInfo != null ? !providerInfo.equals(that.providerInfo) : that.providerInfo != null) {
            return false;
        }
        return consumerConfig != null ? consumerConfig.equals(that.consumerConfig) : that.consumerConfig == null;
    }
Gets dimension key.

@return the dimension key
fault/fault-tolerance/src/main/java/com/alipay/sofa/rpc/client/aft/InvocationStatDimension.java