public static boolean copyBigInteger(DataInputView source, DataOutputView target)
throws IOException {
final int len = source.readInt();
target.writeInt(len);
if (len > 4) {
target.write(source, len - 4);
}
return len == 0; // returns true if the copied record was null
}
@Override
public void write(final DataOutputView out) throws IOException {
out.writeInt(this.inetAddress.getAddress().length);
out.write(this.inetAddress.getAddress());
out.writeInt(this.dataPort);
StringUtils.writeNullableString(fqdnHostName, out);
StringUtils.writeNullableString(hostName, out);
}
@Override
public void write(final DataOutputView out) throws IOException {
int len = this.len;
// write the length, variable-length encoded
while (len >= HIGH_BIT) {
out.write(len | HIGH_BIT);
len >>>= 7;
}
out.write(len);
// write the char data, variable length encoded
for (int i = 0; i < this.len; i++) {
int c = this.value[i];
while (c >= HIGH_BIT) {
out.write(c | HIGH_BIT);
c >>>= 7;
}
out.write(c);
}
}
public static void writeBigInteger(BigInteger record, DataOutputView target) throws IOException {
// null value support
if (record == null) {
target.writeInt(0);
return;
}
// fast paths for 0, 1, 10
// only reference equality is checked because equals would be too expensive
else if (record == BigInteger.ZERO) {
target.writeInt(1);
return;
} else if (record == BigInteger.ONE) {
target.writeInt(2);
return;
} else if (record == BigInteger.TEN) {
target.writeInt(3);
return;
}
// default
final byte[] bytes = record.toByteArray();
// the length we write is offset by four, because null and short-paths for ZERO, ONE, and TEN
target.writeInt(bytes.length + 4);
target.write(bytes);
}
@Override
public void copy(DataInputView source, DataOutputView target) throws IOException {
target.write(source, 2);
}