@Override public OResultSet executeSimple(OCommandContext ctx) {
    OResultInternal result = new OResultInternal();
    result.setProperty("operation", "optimize database");

    OStorage storage = ((ODatabaseInternal) ctx.getDatabase()).getStorage();

    if (on) {
      // activate the profiler
      ((OAbstractPaginatedStorage) storage).startGatheringPerformanceStatisticForCurrentThread();
      result.setProperty("value", "on");
    } else {
      // stop the profiler and return the stats
      final OSessionStoragePerformanceStatistic performanceStatistic = ((OAbstractPaginatedStorage) storage)
          .completeGatheringPerformanceStatisticForCurrentThread();

      result.setProperty("value", "off");
      if (performanceStatistic != null) {
        result.setProperty("result", performanceStatistic.toDocument());
      } else {
        result.setProperty("result", "error");
        result.setProperty("errorMessage", "profiling of storage was not started");
      }
    }

    OInternalResultSet rs = new OInternalResultSet();
    rs.add(result);
    return rs;
  }
@ Override public OResultSet executeSimple ( OCommandContext ctx ) { OResultInternal result = new OResultInternal ( ) ; result . setProperty ( "operation" , "optimize database" ) ; OStorage storage = ( ( ODatabaseInternal ) ctx . getDatabase ( ) ) . getStorage ( ) ; if ( on ) { ( ( OAbstractPaginatedStorage ) storage ) . startGatheringPerformanceStatisticForCurrentThread ( ) ; result . setProperty ( "value" , "on" ) ; } else { final OSessionStoragePerformanceStatistic performanceStatistic = ( ( OAbstractPaginatedStorage ) storage ) . completeGatheringPerformanceStatisticForCurrentThread ( ) ; result . setProperty ( "value" , "off" ) ; if ( performanceStatistic != null ) { result . setProperty ( "result" , performanceStatistic . toDocument ( ) ) ; } else { result . setProperty ( "result" , "error" ) ; result . setProperty ( "errorMessage" , "profiling of storage was not started" ) ; } } OInternalResultSet rs = new OInternalResultSet ( ) ; rs . add ( result ) ; return rs ; }
new execution logic