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feat: add Resource Cache for loading the same resource

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pengfei.zhou
2021-11-18 18:15:36 +08:00
committed by osborn
parent 5b80e4e0e1
commit 3bedd8034c
4 changed files with 38 additions and 13 deletions
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3
doric-iOS/Pod/Classes/Resource/DoricResourceManager.h
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@@ -25,7 +25,8 @@
- (void)unRegisterLoader:(id <DoricResourceLoader>)loader;
- (__kindof DoricResource *)load:(NSString *)identifier
- (__kindof DoricResource *)load:(NSString *)resId
withIdentifier:(NSString *)identifier
withResourceType:(NSString *)resourceType
withContext:(DoricContext *)context;
@end

29
doric-iOS/Pod/Classes/Resource/DoricResourceManager.m
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@@ -21,29 +21,48 @@
@interface DoricResourceManager ()
@property(nonatomic, strong) NSMutableDictionary <NSString *, id <DoricResourceLoader>> *loaders;
@property(nonatomic, strong) NSMapTable <NSString *, __kindof DoricResource *> *cachedResources;
@property(nonatomic, strong) dispatch_queue_t mapQueue;
@end
@implementation DoricResourceManager
- (instancetype)init {
if (self = [super init]) {
_loaders = [NSMutableDictionary new];
_mapQueue = dispatch_queue_create("doric.resource", DISPATCH_QUEUE_SERIAL);
_cachedResources = [[NSMapTable alloc] initWithKeyOptions:NSPointerFunctionsCopyIn
valueOptions:NSPointerFunctionsWeakMemory
capacity:0];
}
return self;
}
- (void)registerLoader:(id <DoricResourceLoader>)loader {
self.loaders[loader.resourceType] = loader;
dispatch_sync(self.mapQueue, ^{
self.loaders[loader.resourceType] = loader;
});
}
- (void)unRegisterLoader:(id <DoricResourceLoader>)loader {
[self.loaders removeObjectForKey:loader.resourceType];
dispatch_sync(self.mapQueue, ^{
[self.loaders removeObjectForKey:loader.resourceType];
});
}
- (__kindof DoricResource *)load:(NSString *)identifier
- (__kindof DoricResource *)load:(NSString *)resId
withIdentifier:(NSString *)identifier
withResourceType:(NSString *)resourceType
withContext:(DoricContext *)context {
id <DoricResourceLoader> loader = self.loaders[resourceType];
return [loader load:identifier withContext:context];
__block __kindof DoricResource *resource;
dispatch_sync(self.mapQueue, ^() {
resource = [self.cachedResources objectForKey:resId];
if (!resource) {
id <DoricResourceLoader> loader = self.loaders[resourceType];
resource = [loader load:identifier withContext:context];
[self.cachedResources setObject:resource forKey:resId];
}
});
return resource;
}
@end