ios-queryable alternatives and similar libraries
Based on the "Core Data" category.
Alternatively, view ios-queryable alternatives based on common mentions on social networks and blogs.
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PrediKit
An NSPredicate DSL for iOS, OSX, tvOS, & watchOS. Inspired by SnapKit and lovingly written in Swift. -
Skopelos
A minimalistic, thread safe, non-boilerplate and super easy to use version of Active Record on Core Data. Simply all you need for doing Core Data. Swift flavour. -
JustPersist
JustPersist is the easiest and safest way to do persistence on iOS with Core Data support out of the box. -
SLRESTfulCoreData
Objc naming conventions, autogenerated accessors at runtime, URL substitutions and intelligent attribute mapping. -
PredicateFlow
Write amazing, strong-typed and easy-to-read NSPredicate, allowing you to write flowable NSPredicate, without guessing attribution names, predicate operation or writing wrong arguments type.
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README
ios-queryable is an Objective-C category that provides IQueryable and IEnumerable-like functionality to Core Data.
Tired of writing boilerplate Core Data code? Can't live without LINQ? ios-queryable is for you!
It supports query composition and deferred execution, and implements a subset of IEnumerable's methods, including where, take, skip, orderBy, first/firstOrDefault, single/singleOrDefault, count, any, and all.
It lets you write code like this:
NSArray* widgets = [[[[[self.managedObjectContext ofType:@"Widget"]
where:@"Type == 'abc'"]
orderBy:@"createddate"]
take:5]
toArray];
instead of like this:
NSFetchRequest* fetchRequest = [[NSFetchRequest alloc] init];
NSEntityDescription* entity = [NSEntityDescription
entityForName:@"Widget" inManagedObjectContext:self.managedObjectContext];
[fetchRequest setEntity:entity];
NSPredicate* predicate = [NSPredicate predicateWithFormat: @"type == 'abc'"];
[fetchRequest setPredicate:predicate];
NSSortDescriptor* sortDescriptor = [[NSSortDescriptor alloc]
initWithKey:@"createddate" ascending:YES];
NSArray* sortDescriptors = [[NSArray alloc] initWithObjects: sortDescriptor, nil];
[fetchRequest setSortDescriptors:sortDescriptors];
[fetchRequest setFetchLimit:5];
NSError* error;
NSArray* widgets = [self.managedObjectContext executeFetchRequest:fetchRequest error:&error];
It also supports the NSFastEnumeration protocol, allowing for easy use in foreach loops:
foreach(Widget* widget in [self.managedObjectContext ofType:@"Widget"])
{
// Do widgety stuff
}
Usage
To use ios-queryable, simply copy NSManagedObjectContext+IQueryable.h and NSManagedObjectContext+IQueryable.m into your project folder. Then, simply include the header file, and start writing your queries!
For examples, check out the tests in the tests project.