Example usage for java.io DataOutput writeShort

Introduction

In this page you can find the example usage for java.io DataOutput writeShort.

Prototype

void writeShort(int v) throws IOException;

Source Link

Document

Writes two bytes to the output stream to represent the value of the argument.

Usage

From source file:backup.store.BackupUtil.java

public static void writeShortString(String s, DataOutput out) throws IOException {
    int length = s.length();
    byte[] bs = s.getBytes();
    out.writeShort(length);
    out.write(bs);//from ww w .  ja  v a2 s  .co m
}

From source file:hivemall.fm.FFMPredictionModel.java

private static void writeEntry(@Nonnull final Entry e, final int factors, @Nonnull final float[] Vf,
        @Nonnull final DataOutput out) throws IOException {
    final float W = e.getW();
    e.getV(Vf);/*from   w ww.j a v  a  2  s.  c  om*/

    if (ArrayUtils.almostEquals(Vf, 0.f)) {
        if (HalfFloat.isRepresentable(W)) {
            out.writeByte(W_ONLY_HALF_FLOAT_ENTRY);
            out.writeShort(HalfFloat.floatToHalfFloat(W));
        } else {
            out.writeByte(W_ONLY_FLOAT_ENTRY);
            out.writeFloat(W);
        }
    } else if (isRepresentableAsHalfFloat(W, Vf)) {
        out.writeByte(HALF_FLOAT_ENTRY);
        out.writeShort(HalfFloat.floatToHalfFloat(W));
        for (int i = 0; i < factors; i++) {
            out.writeShort(HalfFloat.floatToHalfFloat(Vf[i]));
        }
    } else {
        out.writeByte(FLOAT_ENTRY);
        out.writeFloat(W);
        IOUtils.writeFloats(Vf, factors, out);
    }
}

From source file:com.buaa.cfs.io.UTF8.java

/**
 * Write a UTF-8 encoded string.//from  w w w .  j  a  va2s .  co  m
 *
 * @see DataOutput#writeUTF(String)
 */
public static int writeString(DataOutput out, String s) throws IOException {
    if (s.length() > 0xffff / 3) { // maybe too long
        LOG.warn("truncating long string: " + s.length() + " chars, starting with " + s.substring(0, 20));
        s = s.substring(0, 0xffff / 3);
    }

    int len = utf8Length(s);
    if (len > 0xffff) // double-check length
        throw new IOException("string too long!");

    out.writeShort(len);
    writeChars(out, s, 0, s.length());
    return len;
}

From source file:io.UTF8.java

public void write(DataOutput out) throws IOException {
    out.writeShort(length);
    out.write(bytes, 0, length);
}

From source file:com.buaa.cfs.io.UTF8.java

@Override
public void write(DataOutput out) throws IOException {
    out.writeShort(length);
    out.write(bytes, 0, length);
}

From source file:com.buaa.cfs.fs.permission.FsPermission.java

@Override
public void write(DataOutput out) throws IOException {
    out.writeShort(toShort());
}

From source file:de.hpi.fgis.hdrs.Triple.java

public static void writeTriple(DataOutput stream, Triple t) throws IOException {
    stream.writeShort(t.getSubjectLength());
    stream.writeShort(t.getPredicateLength());
    stream.writeInt(t.getObjectLength());
    stream.writeInt(t.getMultiplicity());
    if (0 < t.getSubjectLength())
        stream.write(t.getBuffer(), t.getOffset(), t.getSubjectLength());
    if (0 < t.getPredicateLength())
        stream.write(t.getBuffer(), t.getPredicateOffset(), t.getPredicateLength());
    if (0 < t.getObjectLength())
        stream.write(t.getBuffer(), t.getObjectOffset(), t.getObjectLength());
}

From source file:libra.common.hadoop.io.datatypes.CompressedIntArrayWritable.java

@Override
public void write(DataOutput out) throws IOException {
    int count = this.intArray.length;
    byte flag = makeFlag(count, this.intArray);
    out.writeByte(flag);/*w w  w.j ava  2s .co  m*/

    if ((flag & 0x0f) == 0x00) {
        out.writeByte(count);
    } else if ((flag & 0x0f) == 0x01) {
        out.writeShort(count);
    } else if ((flag & 0x0f) == 0x02) {
        out.writeInt(count);
    } else {
        throw new IOException("unhandled flag");
    }

    if ((flag & 0xf0) == 0x00) {
        for (int i = 0; i < count; i++) {
            out.writeByte((byte) this.intArray[i]);
        }
    } else if ((flag & 0xf0) == 0x10) {
        for (int i = 0; i < count; i++) {
            out.writeShort((short) this.intArray[i]);
        }
    } else if ((flag & 0xf0) == 0x20) {
        for (int i = 0; i < count; i++) {
            out.writeInt((int) this.intArray[i]);
        }
    } else {
        throw new IOException("unhandled flag");
    }
}

From source file:dk.statsbiblioteket.util.LineReaderTest.java

public void writeSample(DataOutput out) throws Exception {
    out.writeInt(12345);//from   w ww.  j  a v  a  2 s .  c  o m
    out.writeInt(-87);
    out.writeLong(123456789L);
    out.write("Hello World!\n".getBytes("utf-8"));
    out.write("Another world\n".getBytes("utf-8"));
    out.writeFloat(0.5f);
    out.writeBoolean(true);
    out.writeBoolean(false);
    out.writeByte(12);
    out.writeByte(-12);
    out.write(129);
    out.writeShort(-4567);
    out.writeBytes("ASCII");
}

From source file:org.apache.carbondata.core.indexstore.blockletindex.BlockletDataMap.java

/**
 * Convert schema to binary// w  w  w .j  a  v  a 2  s. c  o  m
 */
private byte[] convertSchemaToBinary(List<ColumnSchema> columnSchemas) throws IOException {
    ByteArrayOutputStream stream = new ByteArrayOutputStream();
    DataOutput dataOutput = new DataOutputStream(stream);
    dataOutput.writeShort(columnSchemas.size());
    for (ColumnSchema columnSchema : columnSchemas) {
        if (columnSchema.getColumnReferenceId() == null) {
            columnSchema.setColumnReferenceId(columnSchema.getColumnUniqueId());
        }
        columnSchema.write(dataOutput);
    }
    byte[] byteArray = stream.toByteArray();
    // Compress with snappy to reduce the size of schema
    return Snappy.rawCompress(byteArray, byteArray.length);
}