gistfile1.txt

-(void)fetchMailsFromCoreDataBG{
    
    NSLog(@"fetchMailsFromCoreData3 @SyncMangr");
    
   
    
    
    dispatch_queue_t request_queue = dispatch_queue_create("com.yourapp.DescriptionOfMethod", NULL);
    dispatch_async(request_queue, ^{
    
    
    AppDelegate* appDelegate = [UIApplication sharedApplication].delegate;
    
    //self.managedObjectContext = appDelegate.managedObjectContext;
    
    
    
   // self.mainThreadContext... // This is a reference to your main thread context
   // NSPersistentStoreCoordinator *mainThreadContextStoreCoordinator = [self.managedObjectContext persistentStoreCoordinator];
    
    
   
        
     
        
        // Create a new managed object context
        // Set its persistent store coordinator
        //NSManagedObjectContext *newMoc = [[NSManagedObjectContext alloc] init];
       // [newMoc setPersistentStoreCoordinator:mainThreadContextStoreCoordinator];
        
        // Register for context save changes notification
        
        
   
    
    NSManagedObjectContext *temporaryContext = [[NSManagedObjectContext alloc] initWithConcurrencyType:NSConfinementConcurrencyType];
    //temporaryContext.parentContext = appDelegate.managedObjectContext;;
        [temporaryContext setPersistentStoreCoordinator:appDelegate.persistentStoreCoordinator];

    __block NSError *errorNow = nil;
    __block NSArray *result = nil;
    
   // [temporaryContext performBlockAndWait:^{
        
        
        

        
        
       // temporaryContext.persistentStoreCoordinator=coordinator;
        
        
        //temporaryContext.persistentStoreCoordinator=appDelegate.persistentStoreCoordinator;
        
       // NSFetchRequest *request = [[NSFetchRequest alloc] init];
       // [request setEntity:[NSEntityDescription entityForName:@"MailsFull"inManagedObjectContext:temporaryContext]];
        
        NSFetchRequest *request = [NSFetchRequest fetchRequestWithEntityName:@"MailsFull"];

        //  NSPredicate *predicate = [NSPredicate predicateWithFormat:@"user_mailid == %@", username];
        [request setPredicate:nil];
        request.returnsObjectsAsFaults = NO;
        [request setFetchLimit:5000];

        
                //NSError *errorNow = nil;
      
        
        result=[temporaryContext executeFetchRequest:request error:&errorNow];
      // [self performSelector:@selector(postNotificationNow) withObject:nil afterDelay:(10)];
        
   // }];
    
        
   
    if (errorNow) {
        NSLog(@"Whoops, couldn't get it: %@", [errorNow localizedDescription]);
    }
    else if ([result count]){
}

}