public static NSArray fetchAll( EOEditingContext editingContext, EOQualifier qualifier, NSArray sortOrderings, boolean distinct, int fetchLimit, DTEOEditingContextHandler handler) { EOFetchSpecification fetchSpec = new EOFetchSpecification(ENTITY_NAME, qualifier, sortOrderings); fetchSpec.setIsDeep(true); fetchSpec.setUsesDistinct(distinct); fetchSpec.setFetchLimit(fetchLimit); if (handler != null) { fetchSpec.setPromptsAfterFetchLimit(true); editingContext.setMessageHandler(handler); } return (NSArray) editingContext.objectsWithFetchSpecification(fetchSpec); }
/** * 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); } }