/** {@link RepositoryOperations#distinct(String, Iterable)} */
public List<Object> distinct(String field, Iterable<QueryCriteria> queryCriterias) {
Criteria criteria = MongoQueryUtils.getQueryFromQueryCriteria(queryCriterias);
Query query = new Query();
if (criteria != null) {
query.addCriteria(criteria);
}
return mongoOperations
.getCollection(mongoOperations.getCollectionName(model))
.distinct(field, query.getQueryObject());
}
/**
* Creates an index on the desired field in the target collection.
*
* @param field
* @param direction
* @param isUnique
* @param isSparse
*/
public void createIndex(
String field, Sort.Direction direction, boolean isUnique, boolean isSparse) {
Integer dir = direction.equals(Sort.Direction.ASC) ? 1 : -1;
DBObject index = new BasicDBObject(field, dir);
DBObject options = new BasicDBObject();
if (isSparse) options.put("sparse", true);
if (isUnique) options.put("unique", true);
DBCollection collection =
mongoOperations.getCollection(mongoOperations.getCollectionName(model));
collection.createIndex(index, options);
}
private ExecutableMongoScript createExecutablePutIfAbsentScript(Customer customer) {
String collectionName = operations.getCollectionName(Customer.class);
Object id =
operations
.getConverter()
.getMappingContext()
.getPersistentEntity(Customer.class)
.getIdentifierAccessor(customer)
.getIdentifier();
DBObject dbo = new BasicDBObject();
operations.getConverter().write(customer, dbo);
String scriptString =
String.format(
"object = db.%1$s.findOne('{\"_id\": \"%2$s\"}'); if (object == null) { db.%1s.insert(%3$s); return null; } else { return object; }",
collectionName, id, dbo);
return new ExecutableMongoScript(scriptString);
}
/** {@link RepositoryOperations#distinct(String)} */
public List<Object> distinct(String field) {
return mongoOperations.getCollection(mongoOperations.getCollectionName(model)).distinct(field);
}
