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/**
 * Copyright (C) ${license.git.copyrightYears} Expedia, 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.hotels.bdp.circustrain.api.metrics;

import java.util.Map;

import com.google.common.collect.ImmutableMap;

public interface Metrics {

  public static final Metrics NULL_VALUE = new Metrics() {
    @Override
    public Map getMetrics() {
      return ImmutableMap.of();
    }

    @Override
    public long getBytesReplicated() {
      return 0L;
    }
  };

  Map getMetrics();

  long getBytesReplicated();

}