List of usage examples for java.lang Math floorDiv
public static long floorDiv(long x, long y)
From source file:com.github.lynxdb.server.core.repository.EntryRepo.java
public static int getGroup(long _timestamp) { return (int) Math.floorDiv(_timestamp, GROUP_WIDTH); }
From source file:com.github.lynxdb.server.api.http.mappers.QueryRequest.java
/** * //from w w w . j a va2 s .co m * Only supporting UTC timezone rightnow * * @param _time (String|Integer|Long) the time to Object to parse * @return the time in s * @throws InvalidTimeException */ public static long parseTime(Object _time) throws InvalidTimeException { if (_time instanceof Integer || _time instanceof Long) { if ((long) _time > Integer.MAX_VALUE) { return Math.floorDiv((long) _time, 1000); } return (long) _time; } else if (_time instanceof String) { String time = _time.toString(); if (time.endsWith("-ago")) { long amount = parseDuration(time.substring(0, time.length() - 4)); if (amount >= 1000) { return Math.floorDiv((System.currentTimeMillis() - amount), 1000); } else { throw new InvalidTimeException( "Invalid time : " + _time + ". Must be greater than or equal to 1s"); } } else { SimpleDateFormat fmt; switch (time.length()) { case 10: fmt = new SimpleDateFormat("yyyy/MM/dd"); break; case 16: if (time.contains("-")) { fmt = new SimpleDateFormat("yyyy/MM/dd-HH:mm"); } else { fmt = new SimpleDateFormat("yyyy/MM/dd HH:mm"); } break; case 19: if (time.contains("-")) { fmt = new SimpleDateFormat("yyyy/MM/dd-HH:mm:ss"); } else { fmt = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss"); } break; default: throw new InvalidTimeException("Invalid time date : " + _time); } fmt.setTimeZone(TimeZone.getTimeZone("UTC")); try { return Math.floorDiv(fmt.parse(time).getTime(), 1000); } catch (ParseException ex) { throw new InvalidTimeException("Invalid time date : " + _time); } } } else { throw new InvalidTimeException("Unsupported time type : " + _time); } }
From source file:sacm.Comparision.java
public void map(double[][] x, double[][] y) { double[][] predicted = x; double[][] groundTruth = y; int rel = 0;//from ww w . j a v a2s. co m double map = 0.0; double AveP; double[] p_rev = new double[numAspects]; int Q = Math.floorDiv(numDocs, 10); for (int ai = 0; ai < numAspects; ai++) { //Arrays.sort(predicted[ai]); //Arrays.sort(groundTruth[ai]); bubbleSort(predicted[ai]); bubbleSort(groundTruth[ai]); for (int di = 0; di < Q; di++) { for (int aii = 0; aii < numAspects; aii++) { double match = predicted[di][ai]; for (int dii = 0; dii < Q; dii++) { if (groundTruth[dii][aii] == match) { rel++; } else { rel += 0; } } } double pre = rel / Q; AveP = (pre * rel) / Q; map += AveP; } } }
From source file:com.github.lynxdb.server.core.Aggregator.java
protected TimeSerie doDownsampling(TimeSerie _serie, long _period, Reducer _reducer) { return new TimeSerie(_serie.getName(), _serie.getTags(), new ChainableIterator<Entry>() { int lower; Entry last = null;/*from w w w . jav a 2 s. c o m*/ @Override public boolean hasNext() { return _serie.hasNext() || last != null; } @Override public Entry next() { _reducer.reset(); if (last == null) { Entry e = _serie.next(); lower = (int) (_period * Math.floorDiv(e.getTime(), _period)); _reducer.update(e); } else { lower = (int) (_period * Math.floorDiv(last.getTime(), _period)); _reducer.update(last); last = null; } while (_serie.hasNext()) { last = _serie.next(); if (last.getTime() > lower) { _reducer.update(last); } else { break; } } return new Entry(lower, _reducer.result()); } }); }
From source file:model.SensorData.java
public static List<SensorData> getSensorData(Integer start, Integer limit) { int page = Math.floorDiv(start, limit); List<SensorData> sensorList = new ArrayList<SensorData>(); if (start != null && limit != null) { sensorList = find.where().orderBy("dateTime desc").findPagingList(limit).setFetchAhead(false) .getPage(page).getList(); } else {/*w w w. ja v a2 s.c o m*/ sensorList = find.where().orderBy("dateTime desc").findList(); } return sensorList; }
From source file:com.neu.edu.hw5p5.controller.CsvController.java
@Override public ModelAndView handleRequest(HttpServletRequest hsr, HttpServletResponse hsr1) throws Exception { //throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates. HttpSession session = hsr.getSession(); String action = hsr.getParameter("action"); String fileName;/*from www . j ava2 s .c om*/ int k = 1; int rows = 0; ModelAndView mv = new ModelAndView(); int content; int pageNumberDisplay; if (action.equals("showDetails")) { int paginationButtons; if (hsr.getParameter("entryPage").equals("true")) { fileName = hsr.getParameter("fileName"); session.setAttribute("fileName", fileName); try { Class.forName("org.relique.jdbc.csv.CsvDriver"); Connection conn = DriverManager.getConnection("jdbc:relique:csv:C:"); Statement stmt = conn.createStatement(); ResultSet rs = stmt.executeQuery("SELECT * FROM " + fileName); int totalRows = 0; while (rs.next()) { totalRows += 1; } content = Integer.parseInt(hsr.getParameter("defaultContent")); pageNumberDisplay = content * 100; rs = stmt.executeQuery("SELECT * FROM " + fileName + " LIMIT 100 OFFSET " + pageNumberDisplay); ArrayList<SalesOrder> salesOrderArrayList = new ArrayList<>(); while (rs.next()) { SalesOrder s = new SalesOrder(); s.setAccountnumber(rs.getString("accountnumber")); s.setBilltoaddressid(rs.getString("billtoaddressid")); s.setComment(rs.getString("comment")); s.setCreditcardapprovalcode(rs.getString("creditcardapprovalcode")); s.setCreditcardid(rs.getString("creditcardid")); s.setCurrencyrateid(rs.getString("currencyrateid")); s.setCustomerid(rs.getString("customerid")); s.setDuedate(rs.getString("duedate")); s.setFreight(rs.getString("freight")); s.setModifieddate(rs.getString("modifieddate")); s.setOnlineorderflag(rs.getString("onlineorderflag")); s.setOrderdate(rs.getString("orderdate")); s.setPurchaseordernumber(rs.getString("purchaseordernumber")); s.setRevisionnumber(rs.getString("revisionnumber")); s.setSalesorderid(rs.getString("salesorderid")); s.setSalesordernumber(rs.getString("salesordernumber")); s.setSalespersonid(rs.getString("salespersonid")); s.setShipdate(rs.getString("shipdate")); s.setShipmethodid(rs.getString("shipmethodid")); s.setShiptoaddressid(rs.getString("shiptoaddressid")); s.setStatus(rs.getString("status")); s.setSubtotal(rs.getString("subtotal")); s.setTaxamt(rs.getString("taxamt")); s.setTerritoryid(rs.getString("territoryid")); s.setTotaldue(rs.getString("totaldue")); salesOrderArrayList.add(s); rows = rows + 1; } session.setAttribute("salesOrderList", salesOrderArrayList); session.setAttribute("rowsDisplayed", 100); session.setAttribute("defaultContent", content + 1); String pageNumber = "a"; hsr.setAttribute("pageNumber", pageNumber); mv.setViewName("index"); conn.close(); if (totalRows % 100 == 0) { paginationButtons = totalRows / 100; session.setAttribute("paginationButtons", paginationButtons); } else { paginationButtons = Math.floorDiv(totalRows, 100) + 1; session.setAttribute("paginationButtons", paginationButtons); } } catch (Exception e) { e.printStackTrace(); } } else { fileName = (String) session.getAttribute("fileName"); content = (Integer) session.getAttribute("defaultContent"); //content=Integer.parseInt(hsr.getParameter("content")); pageNumberDisplay = content * 100; try { Class.forName("org.relique.jdbc.csv.CsvDriver"); Connection conn = DriverManager.getConnection("jdbc:relique:csv:C:"); Statement stmt = conn.createStatement(); ResultSet rs = stmt .executeQuery("SELECT * FROM " + fileName + " LIMIT 100 OFFSET " + pageNumberDisplay); ArrayList<SalesOrder> salesOrderArrayList = new ArrayList<>(); while (rs.next()) { SalesOrder s = new SalesOrder(); s.setAccountnumber(rs.getString("accountnumber")); s.setBilltoaddressid(rs.getString("billtoaddressid")); s.setComment(rs.getString("comment")); s.setCreditcardapprovalcode(rs.getString("creditcardapprovalcode")); s.setCreditcardid(rs.getString("creditcardid")); s.setCurrencyrateid(rs.getString("currencyrateid")); s.setCustomerid(rs.getString("customerid")); s.setDuedate(rs.getString("duedate")); s.setFreight(rs.getString("freight")); s.setModifieddate(rs.getString("modifieddate")); s.setOnlineorderflag(rs.getString("onlineorderflag")); s.setOrderdate(rs.getString("orderdate")); s.setPurchaseordernumber(rs.getString("purchaseordernumber")); s.setRevisionnumber(rs.getString("revisionnumber")); s.setSalesorderid(rs.getString("salesorderid")); s.setSalesordernumber(rs.getString("salesordernumber")); s.setSalespersonid(rs.getString("salespersonid")); s.setShipdate(rs.getString("shipdate")); s.setShipmethodid(rs.getString("shipmethodid")); s.setShiptoaddressid(rs.getString("shiptoaddressid")); s.setStatus(rs.getString("status")); s.setSubtotal(rs.getString("subtotal")); s.setTaxamt(rs.getString("taxamt")); s.setTerritoryid(rs.getString("territoryid")); s.setTotaldue(rs.getString("totaldue")); salesOrderArrayList.add(s); rows = rows + 1; } int rowsDisplayed = pageNumberDisplay + 100; System.out.println(content + "default Content"); session.setAttribute("defaultContent", content + 1); session.setAttribute("rowsDisplayed", rowsDisplayed); JSONObject obj = new JSONObject(); obj.put("salesOrderList", salesOrderArrayList); obj.put("countForMoreRows", pageNumberDisplay); PrintWriter out = hsr1.getWriter(); out.print(obj); String pageNumber = "a"; session.setAttribute("paginationHelp", content); hsr.setAttribute("pageNumber", pageNumber); mv.setViewName("index"); conn.close(); return null; } catch (Exception e) { e.printStackTrace(); } } } SalesOrder s = new SalesOrder(); if (action.equals("addToDB")) { String pageNumber = "b"; hsr.setAttribute("pageNumber", pageNumber); System.out.println("account number " + hsr.getParameter("accountnumber")); s.setAccountnumber(hsr.getParameter("accountnumber")); System.out.println("Account number from bean=" + s.getAccountnumber()); s.setBilltoaddressid(hsr.getParameter("billtoaddressid")); s.setComment(hsr.getParameter("comment")); s.setCreditcardapprovalcode(hsr.getParameter("creditcardapprovalcode")); s.setCreditcardid(hsr.getParameter("creditcardid")); s.setCurrencyrateid(hsr.getParameter("currencyrateid")); s.setCustomerid(hsr.getParameter("customerid")); s.setDuedate(hsr.getParameter("duedate")); s.setFreight(hsr.getParameter("freight")); s.setModifieddate(hsr.getParameter("modifieddate")); s.setOnlineorderflag(hsr.getParameter("onlineorderflag")); s.setOrderdate(hsr.getParameter("orderdate")); s.setPurchaseordernumber(hsr.getParameter("purchaseordernumber")); s.setRevisionnumber(hsr.getParameter("revisionnumber")); s.setSalesorderid(hsr.getParameter("salesorderid")); s.setSalesordernumber(hsr.getParameter("salesordernumber")); s.setSalespersonid(hsr.getParameter("salespersonid")); s.setShipdate(hsr.getParameter("shipdate")); s.setShipmethodid(hsr.getParameter("shipmethodid")); s.setShiptoaddressid(hsr.getParameter("shiptoaddressid")); s.setStatus(hsr.getParameter("status")); s.setSubtotal(hsr.getParameter("subtotal")); s.setTaxamt(hsr.getParameter("taxamt")); s.setTerritoryid(hsr.getParameter("territoryid")); s.setTotaldue(hsr.getParameter("totaldue")); uploadDAO.uploadDatatoDB(s); // } // hsr.setAttribute("rowsAdded", salesOrderArrayList.size()); mv.setViewName("index");//dbUpdated } return mv; }
From source file:com.neu.edu.hw5p4.controller.CsvController.java
@Override public ModelAndView handleRequest(HttpServletRequest hsr, HttpServletResponse hsr1) throws Exception { //throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates. HttpSession session = hsr.getSession(); String action = hsr.getParameter("action"); String fileName;// ww w . j ava 2s . c om int k = 1; int rows = 0; ModelAndView mv = new ModelAndView(); int content; int pageNumberDisplay; if (action.equals("showDetails")) { int paginationButtons; if (hsr.getParameter("entryPage").equals("true")) { fileName = hsr.getParameter("fileName"); session.setAttribute("fileName", fileName); System.out.println("session out file name" + session.getAttribute("fileName")); try { Class.forName("org.relique.jdbc.csv.CsvDriver"); Connection conn = DriverManager.getConnection("jdbc:relique:csv:D:"); Statement stmt = conn.createStatement(); ResultSet rs = stmt.executeQuery("SELECT * FROM " + fileName); int totalRows = 0; while (rs.next()) { totalRows += 1; } content = Integer.parseInt(hsr.getParameter("defaultContent")); System.out.println("---------------" + hsr.getParameter("defaultContent")); pageNumberDisplay = content * 100; rs = stmt.executeQuery("SELECT * FROM " + fileName + " LIMIT 100 OFFSET " + pageNumberDisplay); ArrayList<SalesOrder> salesOrderArrayList = new ArrayList<>(); while (rs.next()) { SalesOrder s = new SalesOrder(); s.setAccountnumber(rs.getString("accountnumber")); s.setBilltoaddressid(rs.getString("billtoaddressid")); s.setComment(rs.getString("comment")); s.setCreditcardapprovalcode(rs.getString("creditcardapprovalcode")); s.setCreditcardid(rs.getString("creditcardid")); s.setCurrencyrateid(rs.getString("currencyrateid")); s.setCustomerid(rs.getString("customerid")); s.setDuedate(rs.getString("duedate")); s.setFreight(rs.getString("freight")); s.setModifieddate(rs.getString("modifieddate")); s.setOnlineorderflag(rs.getString("onlineorderflag")); s.setOrderdate(rs.getString("orderdate")); s.setPurchaseordernumber(rs.getString("purchaseordernumber")); s.setRevisionnumber(rs.getString("revisionnumber")); s.setSalesorderid(rs.getString("salesorderid")); s.setSalesordernumber(rs.getString("salesordernumber")); s.setSalespersonid(rs.getString("salespersonid")); s.setShipdate(rs.getString("shipdate")); s.setShipmethodid(rs.getString("shipmethodid")); s.setShiptoaddressid(rs.getString("shiptoaddressid")); s.setStatus(rs.getString("status")); s.setSubtotal(rs.getString("subtotal")); s.setTaxamt(rs.getString("taxamt")); s.setTerritoryid(rs.getString("territoryid")); s.setTotaldue(rs.getString("totaldue")); salesOrderArrayList.add(s); rows = rows + 1; } session.setAttribute("salesOrderList", salesOrderArrayList); String pageNumber = "a"; session.setAttribute("paginationHelp", content); hsr.setAttribute("pageNumber", pageNumber); mv.setViewName("index");//viewDetails conn.close(); System.out.println("RowsCount" + totalRows); if (totalRows % 100 == 0) { paginationButtons = totalRows / 100; session.setAttribute("paginationButtons", paginationButtons); } else { paginationButtons = Math.floorDiv(totalRows, 100) + 1; session.setAttribute("paginationButtons", paginationButtons); } } catch (Exception e) { e.printStackTrace(); } } else { fileName = (String) session.getAttribute("fileName"); System.out.println("file name " + fileName); System.out.println("---------------" + hsr.getParameter("defaultContent")); content = Integer.parseInt(hsr.getParameter("defaultContent")); System.out.println("---------------" + hsr.getParameter("defaultContent")); //content=Integer.parseInt(hsr.getParameter("content")); pageNumberDisplay = content * 100; try { Class.forName("org.relique.jdbc.csv.CsvDriver"); Connection conn = DriverManager.getConnection("jdbc:relique:csv:D:"); Statement stmt = conn.createStatement(); ResultSet rs = stmt .executeQuery("SELECT * FROM " + fileName + " LIMIT 100 OFFSET " + pageNumberDisplay); ResultSetMetaData rsmd = rs.getMetaData(); int colums = rsmd.getColumnCount(); ArrayList<SalesOrder> salesOrderArrayList = new ArrayList<>(); while (rs.next()) { SalesOrder s = new SalesOrder(); s.setAccountnumber(rs.getString("accountnumber")); s.setBilltoaddressid(rs.getString("billtoaddressid")); s.setComment(rs.getString("comment")); s.setCreditcardapprovalcode(rs.getString("creditcardapprovalcode")); s.setCreditcardid(rs.getString("creditcardid")); s.setCurrencyrateid(rs.getString("currencyrateid")); s.setCustomerid(rs.getString("customerid")); s.setDuedate(rs.getString("duedate")); s.setFreight(rs.getString("freight")); s.setModifieddate(rs.getString("modifieddate")); s.setOnlineorderflag(rs.getString("onlineorderflag")); s.setOrderdate(rs.getString("orderdate")); s.setPurchaseordernumber(rs.getString("purchaseordernumber")); s.setRevisionnumber(rs.getString("revisionnumber")); s.setSalesorderid(rs.getString("salesorderid")); s.setSalesordernumber(rs.getString("salesordernumber")); s.setSalespersonid(rs.getString("salespersonid")); s.setShipdate(rs.getString("shipdate")); s.setShipmethodid(rs.getString("shipmethodid")); s.setShiptoaddressid(rs.getString("shiptoaddressid")); s.setStatus(rs.getString("status")); s.setSubtotal(rs.getString("subtotal")); s.setTaxamt(rs.getString("taxamt")); s.setTerritoryid(rs.getString("territoryid")); s.setTotaldue(rs.getString("totaldue")); salesOrderArrayList.add(s); rows = rows + 1; } session.setAttribute("salesOrderList", salesOrderArrayList); session.setAttribute("columCount", colums); String pageNumber = "a"; session.setAttribute("paginationHelp", content); hsr.setAttribute("pageNumber", pageNumber); mv.setViewName("index");//viewDetails conn.close(); } catch (Exception e) { e.printStackTrace(); } } } SalesOrder s = new SalesOrder(); if (action.equals("addToDB")) { String pageNumber = "b"; hsr.setAttribute("pageNumber", pageNumber); System.out.println("account number " + hsr.getParameter("accountnumber")); s.setAccountnumber(hsr.getParameter("accountnumber")); System.out.println("Account number from bean=" + s.getAccountnumber()); s.setBilltoaddressid(hsr.getParameter("billtoaddressid")); s.setComment(hsr.getParameter("comment")); s.setCreditcardapprovalcode(hsr.getParameter("creditcardapprovalcode")); s.setCreditcardid(hsr.getParameter("creditcardid")); s.setCurrencyrateid(hsr.getParameter("currencyrateid")); s.setCustomerid(hsr.getParameter("customerid")); s.setDuedate(hsr.getParameter("duedate")); s.setFreight(hsr.getParameter("freight")); s.setModifieddate(hsr.getParameter("modifieddate")); s.setOnlineorderflag(hsr.getParameter("onlineorderflag")); s.setOrderdate(hsr.getParameter("orderdate")); s.setPurchaseordernumber(hsr.getParameter("purchaseordernumber")); s.setRevisionnumber(hsr.getParameter("revisionnumber")); s.setSalesorderid(hsr.getParameter("salesorderid")); s.setSalesordernumber(hsr.getParameter("salesordernumber")); s.setSalespersonid(hsr.getParameter("salespersonid")); s.setShipdate(hsr.getParameter("shipdate")); s.setShipmethodid(hsr.getParameter("shipmethodid")); s.setShiptoaddressid(hsr.getParameter("shiptoaddressid")); s.setStatus(hsr.getParameter("status")); s.setSubtotal(hsr.getParameter("subtotal")); s.setTaxamt(hsr.getParameter("taxamt")); s.setTerritoryid(hsr.getParameter("territoryid")); s.setTotaldue(hsr.getParameter("totaldue")); uploadDAO.uploadDatatoDB(s); // } // hsr.setAttribute("rowsAdded", salesOrderArrayList.size()); mv.setViewName("index");//dbUpdated } return mv; }
From source file:com.github.lynxdb.server.api.http.handlers.EpQuery.java
private List<Query> parseQuery(Vhost _vhost, QueryRequest _request) throws ParsingQueryException { List<Query> queries = new ArrayList<>(); for (QueryRequest.Query q : _request.queries) { Builder b = Query.newBuilder(); b.setAction(Query.Action.GET); b.setName(q.metric);/*from w w w. j a v a 2 s. c o m*/ if (q.tags != null) { b.setTags(q.tags); } b.setVhost(_vhost); b.setRate(q.rate); if (q.rateOptions != null) { Query.RateOptions.Builder rob = Query.RateOptions.newBuilder(); rob.setCounter(q.rateOptions.counter); rob.setCounterMax(q.rateOptions.counterMax); rob.setResetValue(q.rateOptions.resetValue); b.setRateOptions(rob.build()); } Aggregator agg = aggregators.get().get(q.aggregator); if (agg == null) { throw new ParsingQueryException("Aggregator " + q.aggregator + " does not exist."); } b.setAggregator(agg); try { b.setStart(QueryRequest.parseTime(_request.start)); } catch (InvalidTimeException ex) { throw new ParsingQueryException(ex.getMessage()); } if (_request.end == null) { b.setEnd(Math.floorDiv(System.currentTimeMillis(), 1000)); } else { try { b.setEnd(QueryRequest.parseTime(_request.end)); } catch (InvalidTimeException ex) { throw new ParsingQueryException(ex.getMessage()); } } if (q.downsample != null && !q.downsample.isEmpty()) { Query.Downsampling.Builder dsb = Query.Downsampling.newBuilder(); try { long time = QueryRequest.parseDuration(q.downsample.split("-")[0]); if (time >= 1000) { dsb.setPeriod((int) Math.floorDiv(time, 1000)); } else { throw new ParsingQueryException( "Downsampling period too short. Must be greater than or equal to 1s"); } } catch (InvalidTimeException ex) { throw new ParsingQueryException(ex.getMessage()); } Aggregator dsagg = aggregators.get().get(q.downsample.split("-")[1]); if (dsagg == null) { throw new ParsingQueryException( "Aggregator " + q.downsample.split("-")[1] + " does not exist."); } dsb.setAggregator(dsagg); b.setDownsampling(dsb.build()); } queries.add(b.build()); } return queries; }
From source file:org.opennms.netmgt.bsm.service.internal.DefaultBusinessServiceStateMachine.java
/** * Apply the edges weights to the associated statuses set in the map, * ignoring the actual status stored in the edge. Can be used for simulations * without needing to change the actual edge's status. * * @param edgesWithStatus// ww w .j a v a2 s . c om * @return */ public static List<Status> weighStatuses(Map<GraphEdge, Status> edgesWithStatus) { // Find the greatest common divisor of all the weights int gcd = edgesWithStatus.keySet().stream().map(e -> e.getWeight()) .reduce((a, b) -> BigInteger.valueOf(a).gcd(BigInteger.valueOf(b)).intValue()).orElse(1); // Multiply the statuses based on their relative weight List<Status> statuses = Lists.newArrayList(); for (Entry<GraphEdge, Status> entry : edgesWithStatus.entrySet()) { int relativeWeight = Math.floorDiv(entry.getKey().getWeight(), gcd); for (int i = 0; i < relativeWeight; i++) { statuses.add(entry.getValue()); } } return statuses; }
From source file:com.joyent.manta.benchmark.Benchmark.java
/** * Calculates the number of iterations to run per thread. * * @param iterations number of iterations to run * @param concurrency number of threads to run * @return iterations / concurrency properly rounded *///from w w w . j av a2 s . c o m private static long perThreadCount(final int iterations, final int concurrency) { return (long) Math.floorDiv(iterations, concurrency); }