-
Notifications
You must be signed in to change notification settings - Fork 3.5k
/
FBRequestMetadata.m
88 lines (74 loc) · 3.07 KB
/
FBRequestMetadata.m
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
/*
* 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 "FBRequestMetadata.h"
#import "FBRequest+Internal.h"
#import "FBRequestHandlerFactory.h"
const int FBREQUEST_DEFAULT_MAX_RETRY_LIMIT = 1;
@implementation FBRequestMetadata
- (id) initWithRequest:(FBRequest *)request
completionHandler:(FBRequestHandler)handler
batchParameters:(NSDictionary *)batchParameters
behavior:(FBRequestConnectionErrorBehavior) behavior {
if ((self = [super init])) {
_request = [request retain];
_originalCompletionHandler = [handler copy];
_batchParameters = [batchParameters copy];
_behavior = behavior;
// Only consider retry handlers if the request has enabled canCloseSessionOnError.
// We are essentially reusing that flag to identify implicit requests, and we
// don't want implicit requests to trigger retries.
if (request.canCloseSessionOnError) {
// Note the order of composing these retry handlers is significant and
// is like a stack (last wrapping handler is invoked first).
if (behavior & FBRequestConnectionErrorBehaviorReconnectSession) {
handler = [FBRequestHandlerFactory handlerThatReconnects:handler forRequest:request];
}
if (behavior & FBRequestConnectionErrorBehaviorAlertUser) {
handler = [FBRequestHandlerFactory handlerThatAlertsUser:handler forRequest:request];
}
if (behavior & FBRequestConnectionErrorBehaviorRetry) {
handler = [FBRequestHandlerFactory handlerThatRetries:handler forRequest:request];
}
}
self.completionHandler = handler;
}
return self;
}
- (void) dealloc {
[_request release];
[_completionHandler release];
[_batchParameters release];
[_originalCompletionHandler release];
[_originalResult release];
[_originalError release];
[super dealloc];
}
- (void)invokeCompletionHandlerForConnection:(FBRequestConnection *)connection
withResults:(id)results
error:(NSError *)error {
if (self.completionHandler) {
self.completionHandler(connection, results, error);
}
}
- (NSString*)description {
return [NSString stringWithFormat:@"<%@: %p, batchParameters: %@, completionHandler: %p, request: %@>",
NSStringFromClass([self class]),
self,
self.batchParameters,
self.completionHandler,
self.request.description];
}
@end