code: /*
   * 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.skywalking.oap.server.core.query.input;
  
  import lombok.Getter;
  import lombok.Setter;
  import org.apache.skywalking.oap.server.core.query.DurationUtils;
  import org.apache.skywalking.oap.server.core.query.PointOfTime;
  import org.apache.skywalking.oap.server.core.query.enumeration.Step;
  
  import java.util.List;
  
  @Getter
  @Setter
  public class Duration {
      private String start;
      private String end;
      private Step step;
  
      /**
       * See {@link DurationUtils#convertToTimeBucket(Step, String)}
       */
      public long getStartTimeBucket() {
          return DurationUtils.INSTANCE.convertToTimeBucket(step, start);
      }
  
      /**
       * See {@link DurationUtils#convertToTimeBucket(Step, String)}
       */
      public long getEndTimeBucket() {
          return DurationUtils.INSTANCE.convertToTimeBucket(step, end);
      }
  
      public long getStartTimestamp() {
          return DurationUtils.INSTANCE.startTimeToTimestamp(step, start);
      }
  
      public long getEndTimestamp() {
          return DurationUtils.INSTANCE.endTimeToTimestamp(step, end);
      }
  
      public long getStartTimeBucketInSec() {
          return DurationUtils.INSTANCE.startTimeDurationToSecondTimeBucket(step, start);
      }
  
      public long getEndTimeBucketInSec() {
          return DurationUtils.INSTANCE.endTimeDurationToSecondTimeBucket(step, end);
      }
  
      /**
       * Assemble time point based on {@link #step} and {@link #start} / {@link #end}
       */
      public List<PointOfTime> assembleDurationPoints() {
          return DurationUtils.INSTANCE.getDurationPoints(step, getStartTimeBucket(), getEndTimeBucket());
      }
  }
  