Created
July 4, 2013 06:36
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FETCH REQUEST
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| /* | |
| To call: | |
| myArray = [self fetchDataWithEntityName:@"Employees" withSortDescriptorKey:@"name" withPredicateFormat:[NSPredicate predicateWithFormat:@"employee == %@", myEmployeeName]; | |
| */ | |
| - (NSArray *)fetchDataWithEntityName:(NSString *)entityName withSortDescriptorKey:(NSString *) sortDescriptorKey withPredicateFormat:(NSPredicate *)predicateFormat{ | |
| NSEntityDescription *entity = [NSEntityDescription entityForName:entityName inManagedObjectContext:context]; | |
| NSFetchRequest *request = [[NSFetchRequest alloc]init]; | |
| NSSortDescriptor *sortDescriptor = [[NSSortDescriptor alloc] | |
| initWithKey:sortDescriptorKey | |
| ascending:YES]; | |
| NSArray *descriptor = [[NSArray alloc] initWithObjects:sortDescriptor, nil]; | |
| [request setSortDescriptors:descriptor]; | |
| [request setEntity:entity]; | |
| [request setPredicate:predicateFormat]; | |
| NSError *error; | |
| NSArray *resultArray = [context executeFetchRequest:request error:&error]; | |
| if(error){ | |
| return nil; | |
| } else { | |
| return resultArray; | |
| } | |
| } |
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