Examples with NumberFormat java.text.NumberFormat used on opensource projects

Example 16 with NumberFormat

use of java.text.NumberFormat in project ice by Netflix.

the class BillingFileProcessor method sendOndemandCostAlert.

private void sendOndemandCostAlert() {
    if (ondemandThreshold == null || StringUtils.isEmpty(fromEmail) || StringUtils.isEmpty(alertEmails) || endMilli < lastAlertMillis() + AwsUtils.hourMillis * 24)
        return;
    Map<Long, Map<Ec2InstanceReservationPrice.Key, Double>> ondemandCosts = getOndemandCosts(lastAlertMillis() + AwsUtils.hourMillis);
    Long maxHour = null;
    double maxTotal = ondemandThreshold;
    for (Long hour : ondemandCosts.keySet()) {
        double total = 0;
        for (Double value : ondemandCosts.get(hour).values()) total += value;
        if (total > maxTotal) {
            maxHour = hour;
            maxTotal = total;
        }
    }
    if (maxHour != null) {
        NumberFormat numberFormat = NumberFormat.getNumberInstance(Locale.US);
        String subject = String.format("Alert: Ondemand cost per hour reached $%s at %s", numberFormat.format(maxTotal), AwsUtils.dateFormatter.print(maxHour));
        StringBuilder body = new StringBuilder();
        body.append(String.format("Total ondemand cost $%s at %s:<br><br>", numberFormat.format(maxTotal), AwsUtils.dateFormatter.print(maxHour)));
        TreeMap<Double, String> costs = Maps.newTreeMap();
        for (Map.Entry<Ec2InstanceReservationPrice.Key, Double> entry : ondemandCosts.get(maxHour).entrySet()) {
            costs.put(entry.getValue(), entry.getKey().region + " " + entry.getKey().usageType + ": ");
        }
        for (Double cost : costs.descendingKeySet()) {
            if (cost > 0)
                body.append(costs.get(cost)).append("$" + numberFormat.format(cost)).append("<br>");
        }
        body.append("<br>Please go to <a href=\"" + urlPrefix + "dashboard/reservation#usage_cost=cost&groupBy=UsageType&product=ec2_instance&operation=OndemandInstances\">Ice</a> for details.");
        SendEmailRequest request = new SendEmailRequest();
        request.withSource(fromEmail);
        List<String> emails = Lists.newArrayList(alertEmails.split(","));
        request.withDestination(new Destination(emails));
        request.withMessage(new Message(new Content(subject), new Body().withHtml(new Content(body.toString()))));
        AmazonSimpleEmailServiceClient emailService = AwsUtils.getAmazonSimpleEmailServiceClient();
        try {
            emailService.sendEmail(request);
            updateLastAlertMillis(endMilli);
            logger.info("updateLastAlertMillis " + endMilli);
        } catch (Exception e) {
            logger.error("Error in sending alert emails", e);
        }
    }
}

Example 17 with NumberFormat

use of java.text.NumberFormat in project druid by alibaba.

the class BenchmarkExecutor method handleResultSummary.

public void handleResultSummary(SQLExecutor sqlExec, BenchmarkCase benchmarkCase, List<Result> resultList) {
    int millis = 0;
    int youngGC = 0;
    int fullGC = 0;
    for (Result result : resultList) {
        millis += result.getMillis();
        youngGC += result.getYoungGC();
        fullGC += result.getFullGC();
    }
    NumberFormat format = NumberFormat.getInstance();
    System.out.println("SUM\t" + benchmarkCase.getName() + "\t" + sqlExec.getName() + "\t" + format.format(millis) + "\tYoungGC " + youngGC + "\tFullGC " + fullGC);
}

Example 18 with NumberFormat

use of java.text.NumberFormat in project druid by alibaba.

the class BenchmarkExecutor method handleResult.

public void handleResult(SQLExecutor sqlExec, Result result) {
    if (result.getError() != null) {
        result.getError().printStackTrace();
        return;
    }
    NumberFormat format = NumberFormat.getInstance();
    System.out.println(result.getName() + "\t" + sqlExec.getName() + "\t" + format.format(result.getMillis()) + "\tYoungGC " + result.getYoungGC() + "\tFullGC " + result.getFullGC());
}

Example 19 with NumberFormat

use of java.text.NumberFormat in project fastjson by alibaba.

the class FNV32_CollisionTest method test_fnv_hash.

public void test_fnv_hash() throws Exception {
    int COUNT = 1000 * 1000 * 1000;
    long id_hash_64 = fnv_hash("name".toCharArray());
    int id_hash_32 = (int) id_hash_64;
    System.out.println("name : " + id_hash_32 + ", " + id_hash_64);
    long v = 0;
    long time = System.currentTimeMillis();
    NumberFormat format = NumberFormat.getInstance();
    for (int len = 1; len <= 7; ++len) {
        char[] chars = new char[len];
        long n = (long) Math.pow(digLetters.length, chars.length);
        for (; v < n; ++v) {
            long hash = 0x811c9dc5;
            for (int i = 0; i < chars.length; ++i) {
                int power = powers[chars.length - i - 1];
                int d = (int) ((v / power) % digLetters.length);
                char c = digLetters[d];
                hash ^= c;
                hash *= 0x1000193;
            }
            if (hash == id_hash_64) {
                int hash_32 = (int) hash;
                System.out.println("collision : " + build(v, len) + "， hash64 : " + hash + ", hash 32 " + hash_32);
                break;
            }
            if (v != 0 && v % (1000 * 1000 * 100) == 0) {
                long now = System.currentTimeMillis();
                long millis = now - time;
                time = now;
                System.out.println("millis : " + millis + ", " + format.format(v));
            }
        }
        System.out.println("end : " + len);
    }
}

Example 20 with NumberFormat

use of java.text.NumberFormat in project fastjson by alibaba.

the class FNV32_CollisionTest_2 method test_fnv_hash_7.

public void test_fnv_hash_7() throws Exception {
    int COUNT = 1000 * 1000 * 1000;
    long id_hash_64 = fnv_hash("name".toCharArray());
    int id_hash_32 = (int) id_hash_64;
    System.out.println("name : " + id_hash_32 + ", " + id_hash_64);
    long v = 0;
    long time = System.currentTimeMillis();
    NumberFormat format = NumberFormat.getInstance();
    final int len = 7;
    char[] chars = new char[len];
    for (int i0 = 0; i0 < digLetters.length; ++i0) {
        long h0 = 0x811c9dc5;
        char c0 = digLetters[i0];
        h0 ^= c0;
        h0 *= 0x1000193;
        chars[0] = c0;
        for (int i1 = 0; i1 < digLetters.length; ++i1) {
            char c1 = digLetters[i1];
            chars[1] = c1;
            long h1 = h0;
            h1 ^= c1;
            h1 *= 0x1000193;
            for (int i2 = 0; i2 < digLetters.length; ++i2) {
                char c2 = digLetters[i2];
                long h2 = h1;
                h2 ^= c2;
                h2 *= 0x1000193;
                chars[2] = c2;
                for (int i3 = 0; i3 < digLetters.length; ++i3) {
                    char c3 = digLetters[i3];
                    long h3 = h2;
                    h3 ^= c3;
                    h3 *= 0x1000193;
                    chars[3] = c3;
                    for (int i4 = 0; i4 < digLetters.length; ++i4) {
                        char c4 = digLetters[i4];
                        long h4 = h3;
                        h4 ^= c4;
                        h4 *= 0x1000193;
                        chars[4] = c4;
                        for (int i5 = 0; i5 < digLetters.length; ++i5) {
                            char c5 = digLetters[i5];
                            chars[5] = c5;
                            long h5 = h4;
                            h5 ^= c5;
                            h5 *= 0x1000193;
                            for (int i6 = 0; i6 < digLetters.length; ++i6) {
                                char c6 = digLetters[i6];
                                long h6 = h5;
                                h6 ^= c6;
                                h6 *= 0x1000193;
                                chars[6] = c6;
                                v++;
                                if (h6 == id_hash_64) {
                                    int hash_32 = (int) h6;
                                    System.out.println("collision : " + build(v, len) + "， hash64 : " + h6 + ", hash 32 " + hash_32);
                                    break;
                                }
                                if (v != 0 && v % (1000 * 1000 * 1000) == 0) {
                                    long now = System.currentTimeMillis();
                                    long millis = now - time;
                                    time = now;
                                    System.out.println("millis : " + millis + ", " + format.format(v));
                                }
                            }
                        }
                    }
                }
            }
        }
    }
    System.out.println("end : " + len);
}