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

Example 6 with DecimalFormat

use of java.text.DecimalFormat in project hive by apache.

the class GenericUDFFormatNumber method initialize.

@Override
public ObjectInspector initialize(ObjectInspector[] arguments) throws UDFArgumentException {
    if (arguments.length != 2) {
        throw new UDFArgumentLengthException("The function FORMAT_NUMBER(X, D or F) needs two arguments.");
    }
    switch(arguments[0].getCategory()) {
        case PRIMITIVE:
            break;
        default:
            throw new UDFArgumentTypeException(0, "Argument 1" + " of function FORMAT_NUMBER must be \"" + serdeConstants.TINYINT_TYPE_NAME + "\"" + " or \"" + serdeConstants.SMALLINT_TYPE_NAME + "\"" + " or \"" + serdeConstants.INT_TYPE_NAME + "\"" + " or \"" + serdeConstants.BIGINT_TYPE_NAME + "\"" + " or \"" + serdeConstants.DOUBLE_TYPE_NAME + "\"" + " or \"" + serdeConstants.FLOAT_TYPE_NAME + "\"" + " or \"" + serdeConstants.DECIMAL_TYPE_NAME + "\", but \"" + arguments[0].getTypeName() + "\" was found.");
    }
    switch(arguments[1].getCategory()) {
        case PRIMITIVE:
            break;
        default:
            throw new UDFArgumentTypeException(1, "Argument 2" + " of function FORMAT_NUMBER must be \"" + serdeConstants.TINYINT_TYPE_NAME + "\"" + " or \"" + serdeConstants.SMALLINT_TYPE_NAME + "\"" + " or \"" + serdeConstants.INT_TYPE_NAME + "\"" + " or \"" + serdeConstants.BIGINT_TYPE_NAME + "\"" + " or \"" + serdeConstants.STRING_TYPE_NAME + "\", but \"" + arguments[1].getTypeName() + "\" was found.");
    }
    PrimitiveObjectInspector xObjectInspector = (PrimitiveObjectInspector) arguments[0];
    PrimitiveObjectInspector dObjectInspector = (PrimitiveObjectInspector) arguments[1];
    switch(xObjectInspector.getPrimitiveCategory()) {
        case VOID:
        case BYTE:
        case SHORT:
        case INT:
        case LONG:
        case DOUBLE:
        case FLOAT:
        case DECIMAL:
            break;
        default:
            throw new UDFArgumentTypeException(0, "Argument 1" + " of function FORMAT_NUMBER must be \"" + serdeConstants.TINYINT_TYPE_NAME + "\"" + " or \"" + serdeConstants.SMALLINT_TYPE_NAME + "\"" + " or \"" + serdeConstants.INT_TYPE_NAME + "\"" + " or \"" + serdeConstants.BIGINT_TYPE_NAME + "\"" + " or \"" + serdeConstants.DOUBLE_TYPE_NAME + "\"" + " or \"" + serdeConstants.FLOAT_TYPE_NAME + "\"" + " or \"" + serdeConstants.DECIMAL_TYPE_NAME + "\", but \"" + arguments[0].getTypeName() + "\" was found.");
    }
    dType = dObjectInspector.getPrimitiveCategory();
    switch(dType) {
        case VOID:
        case BYTE:
        case SHORT:
        case INT:
        case LONG:
            break;
        case STRING:
            if (!(arguments[1] instanceof ConstantObjectInspector)) {
                throw new UDFArgumentTypeException(1, "Format string passed must be a constant STRING." + arguments[1].toString());
            }
            ConstantObjectInspector constantOI = (ConstantObjectInspector) arguments[1];
            String fValue = constantOI.getWritableConstantValue().toString();
            DecimalFormat dFormat = new DecimalFormat(fValue);
            numberFormat.applyPattern(dFormat.toPattern());
            break;
        default:
            throw new UDFArgumentTypeException(1, "Argument 2" + " of function FORMAT_NUMBER must be \"" + serdeConstants.TINYINT_TYPE_NAME + "\"" + " or \"" + serdeConstants.SMALLINT_TYPE_NAME + "\"" + " or \"" + serdeConstants.INT_TYPE_NAME + "\"" + " or \"" + serdeConstants.BIGINT_TYPE_NAME + "\"" + " or \"" + serdeConstants.STRING_TYPE_NAME + "\", but \"" + arguments[1].getTypeName() + "\" was found.");
    }
    argumentOIs = arguments;
    return PrimitiveObjectInspectorFactory.writableStringObjectInspector;
}

Example 7 with DecimalFormat

use of java.text.DecimalFormat in project tomcat by apache.

the class SSIFsize method formatSize.

//We try to mimic Apache here, as we do everywhere
//All the 'magic' numbers are from the util_script.c Apache source file.
protected String formatSize(long size, String format) {
    String retString = "";
    if (format.equalsIgnoreCase("bytes")) {
        DecimalFormat decimalFormat = new DecimalFormat("#,##0");
        retString = decimalFormat.format(size);
    } else {
        if (size == 0) {
            retString = "0k";
        } else if (size < ONE_KILOBYTE) {
            retString = "1k";
        } else if (size < ONE_MEGABYTE) {
            retString = Long.toString((size + 512) / ONE_KILOBYTE);
            retString += "k";
        } else if (size < 99 * ONE_MEGABYTE) {
            DecimalFormat decimalFormat = new DecimalFormat("0.0M");
            retString = decimalFormat.format(size / (double) ONE_MEGABYTE);
        } else {
            retString = Long.toString((size + (529 * ONE_KILOBYTE)) / ONE_MEGABYTE);
            retString += "M";
        }
        retString = padLeft(retString, 5);
    }
    return retString;
}

Example 8 with DecimalFormat

use of java.text.DecimalFormat in project tomcat by apache.

the class SocketNioSend method main.

public static void main(String[] args) throws Exception {
    Selector selector = Selector.open();
    Member mbr = new MemberImpl("localhost", 9999, 0);
    ChannelData data = new ChannelData();
    data.setOptions(Channel.SEND_OPTIONS_BYTE_MESSAGE);
    data.setAddress(mbr);
    byte[] buf = new byte[8192 * 4];
    data.setMessage(new XByteBuffer(buf, false));
    buf = XByteBuffer.createDataPackage(data);
    int len = buf.length;
    BigDecimal total = new BigDecimal((double) 0);
    BigDecimal bytes = new BigDecimal((double) len);
    NioSender sender = new NioSender();
    sender.setDestination(mbr);
    sender.setDirectBuffer(true);
    sender.setSelector(selector);
    sender.setTxBufSize(1024 * 1024);
    sender.connect();
    sender.setMessage(buf);
    System.out.println("Writing to 9999");
    long start = 0;
    double mb = 0;
    boolean first = true;
    int count = 0;
    DecimalFormat df = new DecimalFormat("##.00");
    while (count < 100000) {
        if (first) {
            first = false;
            start = System.currentTimeMillis();
        }
        sender.setMessage(buf);
        int selectedKeys = 0;
        try {
            selectedKeys = selector.select(0);
        } catch (Exception e) {
            e.printStackTrace();
            continue;
        }
        if (selectedKeys == 0) {
            continue;
        }
        Iterator<SelectionKey> it = selector.selectedKeys().iterator();
        while (it.hasNext()) {
            SelectionKey sk = it.next();
            it.remove();
            try {
                int readyOps = sk.readyOps();
                sk.interestOps(sk.interestOps() & ~readyOps);
                if (sender.process(sk, false)) {
                    total = total.add(bytes);
                    sender.reset();
                    sender.setMessage(buf);
                    mb += ((double) len) / 1024 / 1024;
                    if (((++count) % 10000) == 0) {
                        long time = System.currentTimeMillis();
                        double seconds = ((double) (time - start)) / 1000;
                        System.out.println("Throughput " + df.format(mb / seconds) + " MB/seconds, total " + mb + " MB, total " + total + " bytes.");
                    }
                }
            } catch (Throwable t) {
                t.printStackTrace();
                return;
            }
        }
        selector.selectedKeys().clear();
    }
    System.out.println("Complete, sleeping 15 seconds");
    Thread.sleep(15000);
}

Example 9 with DecimalFormat

use of java.text.DecimalFormat in project tomcat by apache.

the class SocketNioValidateSend method main.

public static void main(String[] args) throws Exception {
    Selector selector = Selector.open();
    Member mbr = new MemberImpl("localhost", 9999, 0);
    byte seq = 0;
    byte[] buf = new byte[50000];
    Arrays.fill(buf, seq);
    int len = buf.length;
    BigDecimal total = new BigDecimal((double) 0);
    BigDecimal bytes = new BigDecimal((double) len);
    NioSender sender = new NioSender();
    sender.setDestination(mbr);
    sender.setDirectBuffer(true);
    sender.setSelector(selector);
    sender.connect();
    sender.setMessage(buf);
    System.out.println("Writing to 9999");
    long start = 0;
    double mb = 0;
    boolean first = true;
    int count = 0;
    DecimalFormat df = new DecimalFormat("##.00");
    while (count < 100000) {
        if (first) {
            first = false;
            start = System.currentTimeMillis();
        }
        sender.setMessage(buf);
        int selectedKeys = 0;
        try {
            selectedKeys = selector.select(0);
        } catch (Exception e) {
            e.printStackTrace();
            continue;
        }
        if (selectedKeys == 0) {
            continue;
        }
        Iterator<SelectionKey> it = selector.selectedKeys().iterator();
        while (it.hasNext()) {
            SelectionKey sk = it.next();
            it.remove();
            try {
                int readyOps = sk.readyOps();
                sk.interestOps(sk.interestOps() & ~readyOps);
                if (sender.process(sk, false)) {
                    total = total.add(bytes);
                    sender.reset();
                    seq++;
                    Arrays.fill(buf, seq);
                    sender.setMessage(buf);
                    mb += ((double) len) / 1024 / 1024;
                    if (((++count) % 10000) == 0) {
                        long time = System.currentTimeMillis();
                        double seconds = ((double) (time - start)) / 1000;
                        System.out.println("Throughput " + df.format(mb / seconds) + " MB/seconds, total " + mb + " MB, total " + total + " bytes.");
                    }
                }
            } catch (Throwable t) {
                t.printStackTrace();
                return;
            }
        }
    }
    System.out.println("Complete, sleeping 15 seconds");
    Thread.sleep(15000);
}

Example 10 with DecimalFormat

use of java.text.DecimalFormat in project tomcat by apache.

the class SocketSend method main.

public static void main(String[] args) throws Exception {
    Member mbr = new MemberImpl("localhost", 9999, 0);
    ChannelData data = new ChannelData();
    data.setOptions(Channel.SEND_OPTIONS_BYTE_MESSAGE);
    data.setAddress(mbr);
    byte[] buf = new byte[8192 * 4];
    data.setMessage(new XByteBuffer(buf, false));
    buf = XByteBuffer.createDataPackage(data);
    int len = buf.length;
    System.out.println("Message size:" + len + " bytes");
    BigDecimal total = new BigDecimal((double) 0);
    BigDecimal bytes = new BigDecimal((double) len);
    try (Socket socket = new Socket("localhost", 9999)) {
        System.out.println("Writing to 9999");
        OutputStream out = socket.getOutputStream();
        long start = 0;
        double mb = 0;
        boolean first = true;
        int count = 0;
        DecimalFormat df = new DecimalFormat("##.00");
        while (count < 1000000) {
            if (first) {
                first = false;
                start = System.currentTimeMillis();
            }
            out.write(buf, 0, buf.length);
            mb += ((double) buf.length) / 1024 / 1024;
            total = total.add(bytes);
            if (((++count) % 10000) == 0) {
                long time = System.currentTimeMillis();
                double seconds = ((double) (time - start)) / 1000;
                System.out.println("Throughput " + df.format(mb / seconds) + " MB/seconds messages " + count + ", total " + mb + " MB, total " + total + " bytes.");
            }
        }
        out.flush();
        System.out.println("Complete, sleeping 5 seconds");
        Thread.sleep(5000);
    }
}