Increment by N, return current¶
Atomically adds the given value to the current value and returns the updated (current) value of the counter. Multiple concurrent client requests are guaranteed to return updated value.
- (void)addAndGetWithCounterName:(NSString * _Nonnull)counterName value:(NSInteger)value responseHandler:^(NSInteger)responseHandler errorHandler:^(Fault * _Nonnull)errorHandler;
func addAndGet(counterName: String, value: Int, responseHandler: ((Int) -> Void)!, errorHandler: ((Fault) -> Void)!)
where:
Argument | Description |
---|---|
counterName |
name of the counter to update. |
value |
number to add to the current counter value |
Example¶
[Backendless.shared.counters addAndGetWithCounterName:@"MyCounter" value:7 responseHandler:^(NSInteger value) {
NSLog(@"Current value = %li", value);
} errorHandler:^(Fault *fault) {
NSLog(@"Error: %@", fault.message);
}];
//
id<IAtomic> myCounter = [Backendless.shared.counters ofCounterName:@"MyCounter"];
[myCounter addAndGetWithValue:7 responseHandler:^(NSInteger value) {
NSLog(@"Current value = %li", value);
} errorHandler:^(Fault *fault) {
NSLog(@"Error: %@", fault.message);
}];}
Backendless.shared.counters.addAndGet(counterName: "MyCounter", value: 7, responseHandler: { value in
print("Current value = \(value)")
}, errorHandler: { fault in
print("Error: \(fault.message ?? "")")
})
//
let myCounter = Backendless.shared.counters.of(counterName: "MyCounter")
myCounter.addAndGet(value: 7, responseHandler: { value in
print("Current value = \(value)")
}, errorHandler: { fault in
print("Error: \(fault.message ?? "")")
})