/**
* Retrieves the first object that matches a set of keys and values, when sorted with the
* specified sort orderings.
*
* @param context The editing context to use
* @param sortOrderings the sort orderings
* @param keysAndValues a dictionary of keys and values to match
* @return the first entity that was retrieved, or null if there was none
*/
public static UserMessageSubscription firstObjectMatchingValues(
EOEditingContext context,
NSArray<EOSortOrdering> sortOrderings,
NSDictionary<String, Object> keysAndValues) {
@SuppressWarnings("unchecked")
EOFetchSpecification fspec =
new WCFetchSpecification(
ENTITY_NAME, EOQualifier.qualifierToMatchAllValues(keysAndValues), sortOrderings);
fspec.setFetchLimit(1);
NSArray<UserMessageSubscription> objects = objectsWithFetchSpecification(context, fspec);
if (objects.count() == 0) {
return null;
} else {
return objects.objectAtIndex(0);
}
}
/**
* Retrieve the count of objects using a dictionary of keys and values to match.
*
* @param context The editing context to use
* @param keysAndValues a dictionary of keys and values to match
* @return the count of objects that matched the specified values
*/
public static int countOfObjectsMatchingValues(
EOEditingContext context, NSDictionary<String, Object> keysAndValues) {
return countOfObjectsMatchingQualifier(
context, EOQualifier.qualifierToMatchAllValues(keysAndValues));
}