private void writeQuery(final DBObject fields, final int numToSkip, final int batchSize) {
writeInt(_queryOptions);
writeCString(_collection.getFullName());
writeInt(numToSkip);
writeInt(batchSize);
putObject(_query);
if (fields != null) putObject(fields);
}
private void writeUpdate(
final boolean upsert, final boolean multi, final DBObject query, final DBObject o) {
writeInt(0); // reserved
writeCString(_collection.getFullName());
int flags = 0;
if (upsert) flags |= 1;
if (multi) flags |= 2;
writeInt(flags);
putObject(query);
putObject(o);
}
private void writeRemove() {
writeInt(0); // reserved
writeCString(_collection.getFullName());
Collection<String> keys = _query.keySet();
if (keys.size() == 1
&& keys.iterator().next().equals("_id")
&& _query.get(keys.iterator().next()) instanceof ObjectId) writeInt(1);
else writeInt(0);
putObject(_query);
}