AGSObservableOperation.h

Go to the documentation of this file.

/*
 COPYRIGHT 1995-2020 ESRI
 
 TRADE SECRETS: ESRI PROPRIETARY AND CONFIDENTIAL
 Unpublished material - all rights reserved under the
 Copyright Laws of the United States and applicable international
 laws, treaties, and conventions.
 
 For additional information, contact:
 Environmental Systems Research Institute, Inc.
 Attn: Contracts and Legal Services Department
 380 New York Street
 Redlands, California, 92373
 USA
 
 email: contracts@esri.com
 */

#import <ArcGIS/AGSOperation.h>
 //Required for Globals API doc

@interface AGSObservableOperation : AGSOperationBase 


@property (nullable, nonatomic, strong, readonly ) id result;

@property (nullable, nonatomic, strong, readonly) NSError *error;

-(void)registerListener:(id)listener forCompletion:(void(^)(id __nullable result, NSError * __nullable error))completion;

-(void)unregisterListener:(id)listener;

-(BOOL)isRegisteredListener:(id)listener;


@end