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spectator-api developed by Netflix

There is a newer version: 1.8.3

/**
 * Copyright 2015 Netflix, Inc.
 *
 * 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.
 */
package com.netflix.spectator.api;

/** Distribution summary implementation for the composite registry. */
final class CompositeDistributionSummary extends CompositeMeter implements DistributionSummary {

  private final DistributionSummary[] summaries;

  /** Create a new instance. */
  CompositeDistributionSummary(Id id, DistributionSummary[] summaries) {
    super(id);
    this.summaries = summaries;
  }

  @Override protected Meter[] meters() {
    return summaries;
  }

  @Override public void record(long amount) {
    for (DistributionSummary t : summaries) {
      t.record(amount);
    }
  }

  @Override public long count() {
    return (summaries.length == 0) ? 0L : summaries[0].count();
  }

  @Override public long totalAmount() {
    return (summaries.length == 0) ? 0L : summaries[0].totalAmount();
  }
}