// Serialize the keys and append the tag
protected HiveKey toHiveKey(Object obj, int tag, Integer distLength) throws SerDeException {
BinaryComparable key = (BinaryComparable) keySerializer.serialize(obj, keyObjectInspector);
int keyLength = key.getLength();
if (tag == -1 || skipTag) {
keyWritable.set(key.getBytes(), 0, keyLength);
} else {
keyWritable.setSize(keyLength + 1);
System.arraycopy(key.getBytes(), 0, keyWritable.get(), 0, keyLength);
keyWritable.get()[keyLength] = tagByte[0];
}
keyWritable.setDistKeyLength((distLength == null) ? keyLength : distLength);
return keyWritable;
}
@Override
public void writeValue(RandomAccessOutput dest) throws SerDeException {
if (!(value instanceof BinaryComparable)) {
throw new SerDeException("Unexpected type " + value.getClass().getCanonicalName());
}
BinaryComparable b = (BinaryComparable) value;
dest.write(b.getBytes(), 0, b.getLength());
}
@Override
public int getHashFromKey() throws SerDeException {
if (!(key instanceof BinaryComparable)) {
throw new SerDeException("Unexpected type " + key.getClass().getCanonicalName());
}
sanityCheckKeyForTag();
BinaryComparable b = (BinaryComparable) key;
return WriteBuffers.murmurHash(b.getBytes(), 0, b.getLength() - (hasTag ? 1 : 0));
}
@Override
public void writeKey(RandomAccessOutput dest) throws SerDeException {
if (!(key instanceof BinaryComparable)) {
throw new SerDeException("Unexpected type " + key.getClass().getCanonicalName());
}
sanityCheckKeyForTag();
BinaryComparable b = (BinaryComparable) key;
dest.write(b.getBytes(), 0, b.getLength() - (hasTag ? 1 : 0));
}