public List<Object> extractDBRefValue(DBRefBase ref, String refKey) {
if ("$id".equals(refKey)) {
return Collections.singletonList(ref.getId());
} else if ("$ref".equals(refKey)) {
return Collections.<Object>singletonList(ref.getRef());
} else if ("$db".equals(refKey)) {
return Collections.<Object>singletonList(ref.getDB());
} else return Collections.emptyList();
}
protected void putDBRef(String name, DBRefBase ref) {
_put(OBJECT, name);
final int sizePos = _buf.getPosition();
_buf.writeInt(0);
_putObjectField("$ref", ref.getRef());
_putObjectField("$id", ref.getId());
_buf.write(EOO);
_buf.writeInt(sizePos, _buf.getPosition() - sizePos);
}
// @VisibleForTesting
protected int compareTo(Object c1, Object c2) { // Object to handle MinKey/MaxKey
Object cc1 = c1;
Object cc2 = c2;
Class<?> clazz1 = c1 == null ? Null.class : c1.getClass();
Class<?> clazz2 = c2 == null ? Null.class : c2.getClass();
// Not comparable for MinKey/MaxKey
if (!clazz1.equals(clazz2) || !(cc1 instanceof Comparable)) {
boolean checkTypes = true;
if (cc1 instanceof Number) {
if (cc2 instanceof Number) {
cc1 = new BigDecimal(cc1.toString());
cc2 = new BigDecimal(cc2.toString());
checkTypes = false;
}
}
if (cc1 instanceof Binary) {
cc1 = convertFrom((Binary) cc1);
checkTypes = false;
}
if (cc2 instanceof Binary) {
cc2 = convertFrom((Binary) cc2);
checkTypes = false;
}
if (cc1 instanceof byte[]) {
cc1 = convertFrom((byte[]) cc1);
checkTypes = false;
}
if (cc2 instanceof byte[]) {
cc2 = convertFrom((byte[]) cc2);
checkTypes = false;
}
// if (cc1 instanceof ObjectId && cc2 instanceof String && ObjectId.isValid((String)
// cc2)) {
// cc2 = ObjectId.massageToObjectId(cc2);
// checkTypes = false;
// }
// if (cc2 instanceof ObjectId && cc1 instanceof String && ObjectId.isValid((String)
// cc1)) {
// cc1 = ObjectId.massageToObjectId(cc2);
// checkTypes = false;
// }
LatLong ll1 = GeoUtil.getLatLong(cc1);
if (ll1 != null) {
LatLong ll2 = GeoUtil.getLatLong(cc2);
if (ll2 != null) {
cc1 = ll1;
cc2 = ll2;
checkTypes = false;
}
}
if (cc1 instanceof DBRefBase && cc2 instanceof DBRefBase) {
DBRefBase a1 = (DBRefBase) cc1;
DBRefBase a2 = (DBRefBase) cc2;
if (a1.equals(a2)) {
return 0;
}
// Not the idea of the year..
cc1 = a1.toString();
cc2 = a2.toString();
checkTypes = false;
}
if (checkTypes) {
Integer type1 = CLASS_TO_WEIGHT.get(clazz1);
Integer type2 = CLASS_TO_WEIGHT.get(clazz2);
if (type1 != null && type2 != null) {
cc1 = type1;
cc2 = type2;
} else {
throw new FongoException(
"Don't know how to compare "
+ cc1.getClass()
+ " and "
+ cc2.getClass()
+ " values are : "
+ c1
+ " vs "
+ c2);
}
}
}
// LOG.info("\tcompareTo() cc1:[{}], cc2:[{}] => {}", cc1, cc2, ((Comparable)
// cc1).compareTo(cc2));
return ((Comparable) cc1).compareTo(cc2);
}
