content: /*
   * 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.server.controller.spi;
  
  /**
   * Temporal query data.
   */
  public interface TemporalInfo {
    /**
     * Get the start of the requested time range.  The time is given in
     * seconds since the Unix epoch.
     *
     * @return the start time in seconds
     */
    Long getStartTime();
  
    /**
     * Get the end of the requested time range.  The time is given in
     * seconds since the Unix epoch.
     *
     * @return the end time in seconds
     */
    Long getEndTime();
  
    /**
     * Get the requested time between each data point of the temporal
     * data.  The time is given in seconds.
     *
     * @return the step time in seconds
     */
    Long getStep();
  
    /**
     * Get milliseconds time from startTime
     *
     * @return time in milliseconds
     */
    Long getStartTimeMillis();
  
    /**
     * Get milliseconds time from endTime
     *
     * @return time in milliseconds
     */
    Long getEndTimeMillis();
  }
  