/**
* {@inheritDoc}
*
* @see Writable#write(DataOutput)
*/
public void write(DataOutput out) throws IOException {
BSONEncoder enc = new BSONEncoder();
BasicOutputBuffer buf = new BasicOutputBuffer();
enc.set(buf);
enc.putObject(_doc);
enc.done();
out.writeInt(buf.size());
// For better performance we can copy BasicOutputBuffer.pipe(OutputStream)
// to have a method signature that works with DataOutput
out.write(buf.toByteArray());
}
@Test
public void testOB1() {
BasicOutputBuffer buf = new BasicOutputBuffer();
buf.write("eliot".getBytes());
assertEquals(5, buf.getPosition());
assertEquals(5, buf.size());
assertEquals("eliot", buf.asString());
buf.setPosition(2);
buf.write("z".getBytes());
assertEquals("elzot", buf.asString());
buf.seekEnd();
buf.write("foo".getBytes());
assertEquals("elzotfoo", buf.asString());
buf.seekStart();
buf.write("bar".getBytes());
assertEquals("barotfoo", buf.asString());
}