<objectService>.rollback

The <objectService>.rollback API rolls back all changes of all objects of an object service to its previous sync state.

Volt MX Iris (JavaScript)

Note:

• Supported for iOS and Android channels from V8 SP2 onwards.
• Supported for all channels from V8 SP4 onwards.

Signature

<VMXObjSvc>.rollback(successCallback, failureCallback)

Parameters

Parameter	Type	Description	Required
successCallback	Function	The function is invoked on successful rollback.	Yes
failureCallback	Function	The function is invoked on an error with the cause of failure as an argument upon Rollback failure.	Yes

Return Type

void

Example

var orgObjectService = new voltmx.sdk.VMXObjSvc("Organization");

function successCallback(result) {
//result contains boolean true
voltmx.print("ObjectService level rollback successful")
}

function failureCallback(error) {
voltmx.print("ObjectService rollback failed with error: " + JSON.stringify(error));
}

orgObjectService.rollback(successCallback, failureCallback);

Android (Java)

Signature

void <VMXObjSvc>.rollback(final VMXCallback callback)

Parameters

Parameter	Type	Description	Required
callback	VMXCallback	Application implements onSuccess and onFailure methods of VMXCallback interface.	Yes

Return Type

void

Example

VMXObjSvc orgObjectService = new VMXObjSvc("Organization");

try {
orgObjectService.rollback(new VMXCallback() {

        @Override
        public void onSuccess(Object object) {
            Log.d("ObjectServiceSync", "ObjectService rollback successful");
        }

        @Override
        public void onFailure(Object error) {
            OfflineObjectsException e = (OfflineObjectsException) error;
            Log.e("ObjectServiceSync", "ObjectService rollback failed with error: " + e.getMessage());
        }
    });

} catch (Exception e) {
Log.e("ObjectServiceSync", "ObjectService rollback failed with error:" + e.getMessage());
}

iOS (Objective C)

Signature

void <VMXObjSvc>  
rollback:(VMXSuccessCompletionHandler)onSuccess  
onFailure:(VMXFailureCompletionHandler)onFailure

Parameters

Parameter	Type	Description	Required
onSuccess	VMXSuccessCompletionHandler	The method called after a successful rollback.	Yes
onFailure	VMXFailureCompletionHandler	The method called on rollback failure.	Yes

Return Type

void

Example

VMXObjSvc * orgObjectService = [
[VMXObjSvc alloc] initWithName: @"Organization"
error: & ;error
];

[orgObjectService rollback: ^ (id object) {
NSLog(@"Object service rollback successful");
}
onFailure: ^ (id object) {
OfflineObjectsError * error = (OfflineObjectsError) object;
NSLog(@"Rollback failed with error: %@", [error.userInfo localizedDescription]);
}
];