/** Write a UTF8 encoded string to out */
public static int writeString(DataOutput out, String s) throws IOException {
ByteBuffer bytes = encode(s);
int length = bytes.limit();
WritableUtils.writeVInt(out, length);
out.write(bytes.array(), 0, length);
return length;
}
/**
* Generates a string representation of the long values contained in the object. String
* representation has commas between the string values of the longs.
*
* @return String representing the long values (comma separated).
*/
@Override
public String toString() {
return WritableUtils.toString(this.get());
}
/** Read a UTF8 encoded string from in */
public static String readString(DataInput in) throws IOException {
int length = WritableUtils.readVInt(in);
byte[] bytes = new byte[length];
in.readFully(bytes, 0, length);
return decode(bytes);
}
public int compare(byte[] b1, int s1, int l1, byte[] b2, int s2, int l2) {
int n1 = WritableUtils.decodeVIntSize(b1[s1]);
int n2 = WritableUtils.decodeVIntSize(b2[s2]);
return compareBytes(b1, s1 + n1, l1 - n1, b2, s2 + n2, l2 - n2);
}
/**
* serialize write this object to out length uses zero-compressed encoding
*
* @see Writable#write(DataOutput)
*/
public void write(DataOutput out) throws IOException {
WritableUtils.writeVInt(out, length);
out.write(bytes, 0, length);
}
/** Skips over one Text in the input. */
public static void skip(DataInput in) throws IOException {
int length = WritableUtils.readVInt(in);
WritableUtils.skipFully(in, length);
}
/** deserialize */
public void readFields(DataInput in) throws IOException {
int newLength = WritableUtils.readVInt(in);
setCapacity(newLength, false);
in.readFully(bytes, 0, newLength);
length = newLength;
}