Example usage for org.apache.hadoop.io WritableUtils writeString

Introduction

In this page you can find the example usage for org.apache.hadoop.io WritableUtils writeString.

Prototype

public static void writeString(DataOutput out, String s) throws IOException

Source Link

Usage

From source file:com.facebook.hiveio.common.Writables.java

License:Apache License

/**
 * Write a Map<String, String>/*from ww w.j a va2s.  c  o  m*/
 *
 * @param out DataOutput
 * @param map Map to write
 * @throws IOException I/O errors
 */
public static void writeStrStrMap(DataOutput out, Map<String, String> map) throws IOException {
    out.writeInt(map.size());
    for (Map.Entry<String, String> entry : map.entrySet()) {
        WritableUtils.writeString(out, entry.getKey());
        WritableUtils.writeString(out, entry.getValue());
    }
}

From source file:com.facebook.hiveio.common.Writables.java

License:Apache License

/**
 * Write a Map<String, Integer>// w  w  w. j a va2 s .c o m
 *
 * @param out DataOutput
 * @param map Map to write
 * @throws IOException I/O errors
 */
public static void writeStrIntMap(DataOutput out, Map<String, Integer> map) throws IOException {
    out.writeInt(map.size());
    for (Map.Entry<String, Integer> entry : map.entrySet()) {
        WritableUtils.writeString(out, entry.getKey());
        out.writeInt(entry.getValue());
    }
}

From source file:com.facebook.hiveio.common.Writables.java

License:Apache License

/**
 * Write a List<String>/*from  w w  w  . j  a  v  a2 s .  co m*/
 *
 * @param out DataOutput
 * @param data list of strings
 * @throws IOException I/O errors
 */
public static void writeStringList(DataOutput out, List<String> data) throws IOException {
    out.writeInt(data.size());
    for (String s : data) {
        WritableUtils.writeString(out, s);
    }
}

From source file:com.facebook.hiveio.common.Writables.java

License:Apache License

/**
 * Write a Hive FieldSchema to output/*w  w  w. j  a va 2  s .c o m*/
 *
 * @param out DataOutput
 * @param fs FieldSchema
 * @throws IOException I/O errors
 */
public static void writeFieldSchema(DataOutput out, FieldSchema fs) throws IOException {
    WritableUtils.writeString(out, fs.getName());
    WritableUtils.writeString(out, fs.getType());
}

From source file:com.facebook.hiveio.input.HiveInputDescription.java

License:Apache License

@Override
public void write(DataOutput out) throws IOException {
    metastoreDesc.write(out);/*  w w  w  . j  a  v a2s .c  om*/
    tableDesc.write(out);
    Writables.writeStringList(out, columns);
    WritableUtils.writeString(out, partitionFilter);
    out.writeInt(numSplits);
}

From source file:com.facebook.hiveio.input.InputPartition.java

License:Apache License

@Override
public void write(DataOutput out) throws IOException {
    Writables.writeClassName(out, Preconditions.checkNotNull(inputFormatClass));
    WritableUtils.writeString(out, Preconditions.checkNotNull(location));
    inputSplitData.write(out);/* w w w  .j  a v  a  2s  . c  o  m*/
}

From source file:com.facebook.hiveio.output.OutputInfo.java

License:Apache License

@Override
public void write(DataOutput out) throws IOException {
    Writables.writeClassName(out, Preconditions.checkNotNull(outputFormatClass));
    Writables.writeFieldSchemas(out, partitionInfo);
    Writables.writeStrStrMap(out, tableParams);
    Writables.writeFieldSchemas(out, columnInfo);
    WritableUtils.writeString(out, Preconditions.checkNotNull(tableRoot));
    WritableUtils.writeString(out, Preconditions.checkNotNull(partitionPath));
    WritableUtils.writeString(out, Preconditions.checkNotNull(finalOutputPath));
    Writables.writeClassName(out, Preconditions.checkNotNull(serializerClass));
    Writables.writeStrStrMap(out, serializerParams);
}

From source file:com.jfolson.hive.serde.RTypedBytesOutput.java

License:Apache License

/**
 * Writes a string as a typed bytes sequence.
 *
 * @param s// w  ww . j  av a  2s  . co m
 *          the string to be written
 * @throws IOException
 */
public void writeRawString(String s) throws IOException {
    WritableUtils.writeString(out, s);
}

From source file:com.jfolson.hive.serde.RTypedBytesOutput.java

License:Apache License

/**
 * Writes a string as a typed bytes sequence.
 *
 * @param s//from  w  w  w .  j  a  v  a  2 s  .c  o m
 *          the string to be written
 * @throws IOException
 */
public void writeString(String s) throws IOException {
    out.write(RType.STRING.code);
    WritableUtils.writeString(out, s);
}

From source file:com.jfolson.hive.serde.RTypedBytesWritableOutput.java

License:Apache License

public void writeWritable(Writable w) throws IOException {
    DataOutputStream dos = null;//from  w  w  w. ja v  a2  s  .  c  o  m
    try {
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        dos = new DataOutputStream(baos);
        WritableUtils.writeString(dos, w.getClass().getName());
        w.write(dos);
        out.writeBytes(baos.toByteArray(), RType.WRITABLE.code);
        dos.close();
        dos = null;
    } finally {
        IOUtils.closeStream(dos);
    }
}