71 lines
2.0 KiB
Mathematica
71 lines
2.0 KiB
Mathematica
|
/**
|
||
|
|
Copyright 2018 Google Inc. All rights reserved.
|
||
|
|
|
||
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
||
|
|
you may not use this file except in compliance with the License.
|
||
|
|
You may obtain a copy of the License at:
|
||
|
|
|
||
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
||
|
|
|
||
|
|
Unless required by applicable law or agreed to in writing, software
|
||
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
||
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||
|
|
See the License for the specific language governing permissions and
|
||
|
|
limitations under the License.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#import "FBLPromise+Async.h"
|
||
|
|
|
||
|
|
#import "FBLPromisePrivate.h"
|
||
|
|
|
||
|
|
@implementation FBLPromise (AsyncAdditions)
|
||
|
|
|
||
|
|
+ (instancetype)async:(FBLPromiseAsyncWorkBlock)work {
|
||
|
|
return [self onQueue:self.defaultDispatchQueue async:work];
|
||
|
|
}
|
||
|
|
|
||
|
|
+ (instancetype)onQueue:(dispatch_queue_t)queue async:(FBLPromiseAsyncWorkBlock)work {
|
||
|
|
NSParameterAssert(queue);
|
||
|
|
NSParameterAssert(work);
|
||
|
|
|
||
|
|
FBLPromise *promise = [[FBLPromise alloc] initPending];
|
||
|
|
dispatch_group_async(FBLPromise.dispatchGroup, queue, ^{
|
||
|
|
work(
|
||
|
|
^(id __nullable value) {
|
||
|
|
if ([value isKindOfClass:[FBLPromise class]]) {
|
||
|
|
[(FBLPromise *)value observeOnQueue:queue
|
||
|
|
fulfill:^(id __nullable value) {
|
||
|
|
[promise fulfill:value];
|
||
|
|
}
|
||
|
|
reject:^(NSError *error) {
|
||
|
|
[promise reject:error];
|
||
|
|
}];
|
||
|
|
} else {
|
||
|
|
[promise fulfill:value];
|
||
|
|
}
|
||
|
|
},
|
||
|
|
^(NSError *error) {
|
||
|
|
[promise reject:error];
|
||
|
|
});
|
||
|
|
});
|
||
|
|
return promise;
|
||
|
|
}
|
||
|
|
|
||
|
|
@end
|
||
|
|
|
||
|
|
@implementation FBLPromise (DotSyntax_AsyncAdditions)
|
||
|
|
|
||
|
|
+ (FBLPromise* (^)(FBLPromiseAsyncWorkBlock))async {
|
||
|
|
return ^(FBLPromiseAsyncWorkBlock work) {
|
||
|
|
return [self async:work];
|
||
|
|
};
|
||
|
|
}
|
||
|
|
|
||
|
|
+ (FBLPromise* (^)(dispatch_queue_t, FBLPromiseAsyncWorkBlock))asyncOn {
|
||
|
|
return ^(dispatch_queue_t queue, FBLPromiseAsyncWorkBlock work) {
|
||
|
|
return [self onQueue:queue async:work];
|
||
|
|
};
|
||
|
|
}
|
||
|
|
|
||
|
|
@end
|