// Copyright (C) 2019-2020 Zilliz. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance
// with the License. You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software distributed under the License
// is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
// or implied. See the License for the specific language governing permissions and limitations under the License.

#include "metrics/Metrics.h"
#include "config/Config.h"
#ifdef MILVUS_WITH_PROMETHEUS
#include "metrics/prometheus/PrometheusMetrics.h"
#endif

#include <string>

namespace milvus {
namespace server {

MetricsBase&
Metrics::GetInstance() {
    static MetricsBase& instance = CreateMetricsCollector();
    return instance;
}

MetricsBase&
Metrics::CreateMetricsCollector() {
#ifdef MILVUS_WITH_PROMETHEUS
    return PrometheusMetrics::GetInstance();
#else
    return MetricsBase::GetInstance();
#endif
}

}  // namespace server
}  // namespace milvus
