/**
* Creates a Query for the given type and collection
*
* @param clazz the type to return
* @param coll the collection to query
* @param ds the Datastore to use
*/
public QueryImpl(final Class<T> clazz, final DBCollection coll, final Datastore ds) {
super(CriteriaJoin.AND);
setQuery(this);
this.clazz = clazz;
this.ds = ((org.mongodb.morphia.DatastoreImpl) ds);
dbColl = coll;
cache = this.ds.getMapper().createEntityCache();
final MappedClass mc = this.ds.getMapper().getMappedClass(clazz);
final Entity entAn = mc == null ? null : mc.getEntityAnnotation();
if (entAn != null) {
getOptions()
.readPreference(
this.ds.getMapper().getMappedClass(clazz).getEntityAnnotation().queryNonPrimary()
? ReadPreference.secondaryPreferred()
: null);
}
}
@Override
@Deprecated
public DBObject getFieldsObject() {
DBObject projection = getOptions().getProjection();
if (projection == null || projection.keySet().size() == 0) {
return null;
}
final MappedClass mc = ds.getMapper().getMappedClass(clazz);
Entity entityAnnotation = mc.getEntityAnnotation();
final BasicDBObject fieldsFilter = copy(projection);
if (includeFields && entityAnnotation != null && !entityAnnotation.noClassnameStored()) {
fieldsFilter.put(Mapper.CLASS_NAME_FIELDNAME, 1);
}
return fieldsFilter;
}