Example usage for java.time Duration getNano

Introduction

In this page you can find the example usage for java.time Duration getNano.

Prototype

public int getNano() 

Source Link

Document

Gets the number of nanoseconds within the second in this duration.

Usage

From source file:Main.java

public static void main(String[] args) {
    Duration duration = Duration.between(LocalTime.MIDNIGHT, LocalTime.NOON);
    System.out.println(duration.getNano());
}

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From source file:Main.java

public static void main(String[] args) {
    Duration duration = Duration.between(LocalTime.MIDNIGHT, LocalTime.NOON);
    System.out.println(duration.getNano());
    duration = duration.minusNanos(3);/*  w  w w  .  j  a  va2 s  .c  om*/
    System.out.println(duration.getNano());

}

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From source file:Main.java

public static void main(String[] args) {
    Duration duration = Duration.between(LocalTime.MIDNIGHT, LocalTime.NOON);
    duration = duration.plusNanos(1000);
    System.out.println(duration.getNano());

}

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From source file:Main.java

public static void main(String[] args) {
    Duration duration = Duration.between(LocalTime.MIDNIGHT, LocalTime.NOON);
    duration = duration.withNanos(1000);
    System.out.println(duration.getNano());

}

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From source file:Main.java

public static void main(String[] args) {
    Duration duration = Duration.ofDays(33); //seconds or nanos

    Duration duration1 = Duration.ofHours(33); //seconds or nanos
    Duration duration2 = Duration.ofMillis(33); //seconds or nanos
    Duration duration3 = Duration.ofMinutes(33); //seconds or nanos
    Duration duration4 = Duration.ofNanos(33); //seconds or nanos
    Duration duration5 = Duration.ofSeconds(33); //seconds or nanos
    Duration duration6 = Duration.between(LocalDate.of(2012, 11, 11), LocalDate.of(2013, 1, 1));

    System.out.println(duration6.getSeconds());
    System.out.println(duration.getNano());
    System.out.println(duration.getSeconds());
}

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From source file:com.example.IdGenerator.java

public long generateLong() {
    final LocalDateTime now = LocalDateTime.now(clock);
    final Duration duration = Duration.between(BASE, now);
    final int high = (int) duration.getSeconds();
    final int low = duration.getNano();
    final byte[] hbs = ByteBuffer.allocate(4).putInt(high).array();
    final byte[] lbs = ByteBuffer.allocate(4).putInt(low).array();
    final byte[] bytes = new byte[8];
    System.arraycopy(hbs, 0, bytes, 0, 4);
    System.arraycopy(lbs, 0, bytes, 4, 4);
    final ByteBuffer buffer = ByteBuffer.allocate(8).put(bytes, 0, 8);
    buffer.flip();//from   w ww . java  2s  . com
    return buffer.getLong();
}

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From source file:org.dcache.ftp.door.GFtpPerfMarker.java

private double calculateBandwidth(long byteCount) {
    long delta = byteCount - _stripeBytesTransferred;
    Instant now = Instant.now();
    Duration elapsed = Duration.between(lastUpdated, now);
    lastUpdated = now;/*w w  w . ja v  a 2s . c  om*/
    double elapsedSeconds = (double) elapsed.getNano() / SECONDS.getDuration().toNanos() + elapsed.getSeconds();
    return delta / elapsedSeconds;
}

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From source file:com.esri.geoevent.test.tools.RunTcpInTcpOutTest.java

public void send(String server, Integer port, Long numEvents, Integer rate) {
    Random rnd = new Random();
    BufferedReader br = null;//from ww w  .j a  v a2  s  . c o  m
    LocalDateTime st = null;

    try {
        Socket sckt = new Socket(server, port);
        OutputStream os = sckt.getOutputStream();
        //PrintWriter sckt_out = new PrintWriter(os, true);

        Integer cnt = 0;

        st = LocalDateTime.now();

        Double ns_delay = 1000000000.0 / (double) rate;

        long ns = ns_delay.longValue();
        if (ns < 0) {
            ns = 0;
        }

        while (cnt < numEvents) {
            cnt += 1;
            LocalDateTime ct = LocalDateTime.now();
            String dtg = ct.toString();
            Double lat = 180 * rnd.nextDouble() - 90.0;
            Double lon = 360 * rnd.nextDouble() - 180.0;
            String line = "RandomPoint," + cnt.toString() + "," + dtg + ",\"" + lon.toString() + ","
                    + lat.toString() + "\"," + cnt.toString() + "\n";

            final long stime = System.nanoTime();

            long etime = 0;
            do {
                etime = System.nanoTime();
            } while (stime + ns >= etime);

            if (cnt % 1000 == 0) {
                //System.out.println(cnt);
            }

            //sckt_out.write(line);
            os.write(line.getBytes());
            os.flush();

        }

        if (st != null) {
            LocalDateTime et = LocalDateTime.now();

            Duration delta = Duration.between(st, et);

            Double elapsed_seconds = (double) delta.getSeconds() + delta.getNano() / 1000000000.0;

            send_rate = (double) numEvents / elapsed_seconds;
        }

        //sckt_out.close();
        sckt.close();
        os = null;
        //sckt_out = null;

    } catch (Exception e) {
        System.err.println(e.getMessage());
        send_rate = -1.0;
    } finally {
        try {
            br.close();
        } catch (Exception e) {
            //
        }

        this.send_rate = send_rate;

    }

}

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From source file:com.esri.geoevent.test.tools.RunTcpInBdsOutTest.java

public void send(String server, Integer port, Long numEvents, Integer rate, String data_file) {

    BufferedReader br = null;/*from  w w  w.ja  va 2s .c o  m*/
    ArrayList<String> lines = new ArrayList<>();
    LocalDateTime st = null;

    try {

        // Read the file into String array
        br = new BufferedReader(new FileReader(data_file));

        String line = null;
        while ((line = br.readLine()) != null) {
            lines.add(line);
        }

        Socket sckt = new Socket(server, port);
        OutputStream os = sckt.getOutputStream();

        Integer cnt = 0;

        st = LocalDateTime.now();

        Double ns_delay = 1000000000.0 / (double) rate;

        long ns = ns_delay.longValue();
        if (ns < 0) {
            ns = 0;
        }

        int i = 0;
        int j = 0;

        while (i < numEvents) {
            i++;
            j++;
            if (j >= lines.size()) {
                j = 0;
            }
            line = lines.get(j) + "\n";

            final long stime = System.nanoTime();

            long etime = 0;
            do {
                etime = System.nanoTime();
            } while (stime + ns >= etime);

            os.write(line.getBytes());
            os.flush();

        }

        LocalDateTime et = LocalDateTime.now();
        if (st != null) {
            et = LocalDateTime.now();

            Duration delta = Duration.between(st, et);

            Double elapsed_seconds = (double) delta.getSeconds() + delta.getNano() / 1000000000.0;

            send_rate = (double) numEvents / elapsed_seconds;
        }

        sckt.close();
        os = null;

    } catch (Exception e) {
        System.err.println(e.getMessage());
        send_rate = -1.0;
    } finally {
        try {
            br.close();
        } catch (Exception e) {
            //
        }

        this.send_rate = send_rate;

    }

}

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From source file:com.esri.geoevent.test.tools.GetMapServiceCountRunnable.java

@Override
public void run() {

    // Trust https urls 
    trustAll();/*from  w ww.  j  a  v  a  2 s  .com*/

    // Get start count
    int stCnt = -3;
    stCnt = getMsLayerCount(this.msLayerUrl);
    int cnt1 = stCnt;

    if (stCnt < 0) {
        throw new UnsupportedOperationException("Couldn't get start count from BDS");
    }

    // Wait for count to increase by the right number of events
    int curCnt = -3;

    curCnt = getMsLayerCount(this.msLayerUrl);

    if (curCnt < 0) {
        throw new UnsupportedOperationException("Couldn't get count from BDS");
    }

    // if count stop increase for 30 seconds then exit
    int newCnt = curCnt;

    LocalDateTime et = LocalDateTime.now();
    LocalDateTime st = LocalDateTime.now();
    Boolean firstCountChange = true;

    LocalDateTime s1 = LocalDateTime.now();
    LocalDateTime s2 = LocalDateTime.now();

    int sampleRateCnt = stCnt + sampleInterval;

    while (curCnt < stCnt + numEvents) {
        newCnt = getMsLayerCount(this.msLayerUrl);

        //System.out.println(newCnt);
        if (newCnt < 0) {
            System.out.println("Couldn't get count from BDS");
        }

        if (newCnt > curCnt) {
            if (firstCountChange) {
                sampleRateCnt = newCnt + sampleInterval;
                st = LocalDateTime.now();
                s1 = st;
                firstCountChange = false;
            }
            curCnt = newCnt;
            et = LocalDateTime.now();
        }

        LocalDateTime et2 = LocalDateTime.now();
        Duration delta = Duration.between(et, et2);

        Double elapsed_seconds = (double) delta.getSeconds() + delta.getNano() / 1000000000.0;

        if (isSingle && curCnt > sampleRateCnt) {
            // Calculate the rate for the sample rates
            s2 = LocalDateTime.now();
            Duration tm = Duration.between(s1, s2);
            Double secnds = (double) tm.getSeconds() + tm.getNano() / 1000000000.0;
            int cntChg = curCnt - cnt1;
            cnt1 = curCnt;
            Double rt = (double) cntChg / secnds;
            sampleRateCnt = cnt1 + sampleInterval;
            s1 = s2;
            System.out.println(curCnt - stCnt + "," + rt);
            if (rt < 200.0) {
                this.num_events_read = curCnt - stCnt;
                throw new UnsupportedOperationException("Rate has dropped below 200 e/s");
            }
        }

        if (elapsed_seconds > 30.0) {
            // count hasn't changed for 30 seconds
            System.out.println("Features lost");
            System.out.println(curCnt);
            break;
        }

        try {
            // This delay was added to prevent calls from overloading map service
            Thread.sleep(100);

        } catch (InterruptedException ex) {
            Logger.getLogger(GetMapServiceCountRunnable.class.getName()).log(Level.SEVERE, null, ex);
        }
    }

    if (st != null) {
        et = LocalDateTime.now();

        Duration delta = Duration.between(st, et);

        Double elapsed_seconds = (double) delta.getSeconds() + delta.getNano() / 1000000000.0;

        int eventsRcvd = curCnt - stCnt;
        //System.out.println("Events received: " + eventsRcvd);
        this.average_read_per_second = (double) eventsRcvd / elapsed_seconds;
        this.num_events_read = eventsRcvd;
    }
}

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