/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.
 */
package org.apache.ambari.metrics.core.timeline.function;

import java.util.List;

public class TimelineMetricsSeriesSumAggregateFunction extends AbstractTimelineMetricsSeriesAggregateFunction {
  private static final String FUNCTION_NAME = "SUM";

  @Override
  protected Double applyFunction(List<Double> values) {
    double sum = 0.0d;
    for (Double value : values) {
      sum += value;
    }

    return sum;
  }

  @Override
  protected String getFunctionName() {
    return FUNCTION_NAME;
  }
}