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- // Copyright 2014 Google Inc. All Rights Reserved.
-
- #import "GADUObjectCache.h"
-
- @implementation GADUObjectCache
-
- + (instancetype)sharedInstance {
- static GADUObjectCache *sharedInstance;
- static dispatch_once_t onceToken;
- dispatch_once(&onceToken, ^{
- sharedInstance = [[self alloc] init];
- });
- return sharedInstance;
- }
-
- - (id)init {
- self = [super init];
- if (self) {
- _references = [[NSMutableDictionary alloc] init];
- }
- return self;
- }
-
- @end
-
- @implementation NSObject (GADUOwnershipAdditions)
-
- - (NSString *)gadu_referenceKey {
- return [NSString stringWithFormat:@"%p", (void *)self];
- }
-
- @end
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