/*
 * 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.beam.sdk.io.influxdb;

import java.io.Serializable;
import java.util.Comparator;
import org.influxdb.impl.TimeUtil;

/** Utility class to sort Shard Information based on time. */
class ShardInformationByStartDate implements Comparator<ShardInformation>, Serializable {
  @Override
  public int compare(ShardInformation a, ShardInformation b) {
    return Long.compare(
        TimeUtil.fromInfluxDBTimeFormat(a.getStartTime()),
        TimeUtil.fromInfluxDBTimeFormat(b.getStartTime()));
  }
}
