forked from facebook/facebook-ios-sdk
/
FBTaskCompletionSource.m
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/
FBTaskCompletionSource.m
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/*
* Copyright 2010-present Facebook.
*
* 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 "FBTaskCompletionSource.h"
#import "FBTask.h"
@interface FBTaskCompletionSource ()
@property (nonatomic, retain, readwrite) FBTask *task;
@end
@interface FBTask (FBTaskCompletionSource)
- (void)setResult:(id<NSObject>)result;
- (void)setError:(NSError *)error;
- (void)setException:(NSException *)exception;
- (void)cancel;
- (BOOL)trySetResult:(id<NSObject>)result;
- (BOOL)trySetError:(NSError *)error;
- (BOOL)trySetException:(NSException *)exception;
- (BOOL)trySetCancelled;
@end
@implementation FBTaskCompletionSource
+ (FBTaskCompletionSource *)taskCompletionSource {
return [[[FBTaskCompletionSource alloc] init] autorelease];
}
- (instancetype)init {
if ((self = [super init])) {
_task = [[FBTask alloc] init];
}
return self;
}
- (void)dealloc {
[_task release];
[super dealloc];
}
- (void)setResult:(id<NSObject>)result {
[self.task setResult:result];
}
- (void)setError:(NSError *)error {
[self.task setError:error];
}
- (void)setException:(NSException *)exception {
[self.task setException:exception];
}
- (void)cancel {
[self.task cancel];
}
- (BOOL)trySetResult:(id<NSObject>)result {
return [self.task trySetResult:result];
}
- (BOOL)trySetError:(NSError *)error {
return [self.task trySetError:error];
}
- (BOOL)trySetException:(NSException *)exception {
return [self.task trySetException:exception];
}
- (BOOL)trySetCancelled {
return [self.task trySetCancelled];
}
@end