// Copyright 2020, OpenTelemetry Authors
//
// 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.
//

import Foundation

/// Batcher which retains all dimensions/labels.
public class UngroupedBatcher: MetricProcessor {
    public init() {}

    private var metrics = [Metric]()

    public func finishCollectionCycle() -> [Metric] {
        defer {
            self.metrics = [Metric]()
        }
        return metrics
    }

    public func process(metric: Metric) {
        metrics.append(metric)
    }
}
