content: /*
   * The Alluxio Open Foundation licenses this work under the Apache License, version 2.0
   * (the "License"). You may not use this work except in compliance with the License, which is
   * available at www.apache.org/licenses/LICENSE-2.0
   *
   * This software is distributed on an "AS IS" basis, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
   * either express or implied, as more fully set forth in the License.
   *
   * See the NOTICE file distributed with this work for information regarding copyright ownership.
   */
  
  package alluxio.util.webui;
  
  import alluxio.util.CommonUtils;
  
  /**
   * Displays information about a worker in the UI.
   */
  public class UIWorkerInfo {
    private final String mWorkerAddress;
    private final long mStartTimeMs;
    private final String mDateFormatPattern;
  
    /**
     * Creates a new instance of {@link UIWorkerInfo}.
     *
     * @param workerAddress worker address
     * @param startTimeMs start time in milliseconds
     * @param dateFormatPattern The pattern to format timestamps with
     */
    public UIWorkerInfo(String workerAddress, long startTimeMs, String dateFormatPattern) {
      mWorkerAddress = workerAddress;
      mStartTimeMs = startTimeMs;
      mDateFormatPattern = dateFormatPattern;
    }
  
    /**
     * Gets start time.
     *
     * @return the start time
     */
    public String getStartTime() {
      return CommonUtils.convertMsToDate(mStartTimeMs, mDateFormatPattern);
    }
  
    /**
     * Gets uptime.
     *
     * @return the uptime
     */
    public String getUptime() {
      return CommonUtils.convertMsToClockTime(System.currentTimeMillis() - mStartTimeMs);
    }
  
    /**
     * Gets worker address.
     *
     * @return the worker address
     */
    public String getWorkerAddress() {
      return mWorkerAddress;
    }
  }
  