Files
POCloud-iOS/Pods/FirebaseDatabase/Firebase/Database/Core/FRepoManager.m
Patrick McDonagh 95467f9161 Adds firebase live data
Also no longer crashes when touching something while loading
2018-05-31 19:55:47 -05:00

136 lines
4.6 KiB
Objective-C

/*
* Copyright 2017 Google
*
* 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 <FirebaseCore/FIRLogger.h>
#import "FRepoManager.h"
#import "FRepo.h"
#import "FIRDatabaseQuery_Private.h"
#import "FAtomicNumber.h"
#import "FIRDatabaseConfig_Private.h"
#import "FIRDatabase_Private.h"
@implementation FRepoManager
typedef NSMutableDictionary<NSString *,
NSMutableDictionary<FRepoInfo *, FRepo *> *>
FRepoDictionary;
+ (FRepoDictionary *)configs {
static dispatch_once_t pred = 0;
static FRepoDictionary *configs;
dispatch_once(&pred, ^{
configs = [NSMutableDictionary dictionary];
});
return configs;
}
/**
* Used for legacy unit tests. The public API should go through FirebaseDatabase which
* calls createRepo.
*/
+ (FRepo *) getRepo:(FRepoInfo *)repoInfo config:(FIRDatabaseConfig *)config {
[config freeze];
FRepoDictionary *configs = [FRepoManager configs];
@synchronized(configs) {
NSMutableDictionary<FRepoInfo *, FRepo *> *repos = configs[config.sessionIdentifier];
if (!repos || repos[repoInfo] == nil) {
// Calling this should create the repo.
[FIRDatabase createDatabaseForTests:repoInfo config:config];
}
return configs[config.sessionIdentifier][repoInfo];
}
}
+ (FRepo *) createRepo:(FRepoInfo *)repoInfo config:(FIRDatabaseConfig *)config database:(FIRDatabase *)database {
[config freeze];
FRepoDictionary *configs = [FRepoManager configs];
@synchronized(configs) {
NSMutableDictionary<FRepoInfo *, FRepo *> *repos =
configs[config.sessionIdentifier];
if (!repos) {
repos = [NSMutableDictionary dictionary];
configs[config.sessionIdentifier] = repos;
}
FRepo *repo = repos[repoInfo];
if (repo == nil) {
repo = [[FRepo alloc] initWithRepoInfo:repoInfo config:config database:database];
repos[repoInfo] = repo;
return repo;
} else {
[NSException raise:@"RepoExists" format:@"createRepo called for Repo that already exists."];
return nil;
}
}
}
+ (void) interrupt:(FIRDatabaseConfig *)config {
dispatch_async([FIRDatabaseQuery sharedQueue], ^{
FRepoDictionary *configs = [FRepoManager configs];
NSMutableDictionary<FRepoInfo *, FRepo *> *repos = configs[config.sessionIdentifier];
for (FRepo *repo in [repos allValues]) {
[repo interrupt];
}
});
}
+ (void) interruptAll {
dispatch_async([FIRDatabaseQuery sharedQueue], ^{
FRepoDictionary *configs = [FRepoManager configs];
for (NSMutableDictionary<FRepoInfo *, FRepo *> *repos in [configs allValues]) {
for (FRepo *repo in [repos allValues]) {
[repo interrupt];
}
}
});
}
+ (void) resume:(FIRDatabaseConfig *)config {
dispatch_async([FIRDatabaseQuery sharedQueue], ^{
FRepoDictionary *configs = [FRepoManager configs];
NSMutableDictionary<FRepoInfo *, FRepo *> *repos = configs[config.sessionIdentifier];
for (FRepo *repo in [repos allValues]) {
[repo resume];
}
});
}
+ (void) resumeAll {
dispatch_async([FIRDatabaseQuery sharedQueue], ^{
FRepoDictionary *configs = [FRepoManager configs];
for (NSMutableDictionary<FRepoInfo *, FRepo *> *repos in [configs allValues]) {
for (FRepo *repo in [repos allValues]) {
[repo resume];
}
}
});
}
+ (void)disposeRepos:(FIRDatabaseConfig *)config {
// Do this synchronously to make sure we release our references to LevelDB before returning, allowing LevelDB
// to close and release its exclusive locks.
dispatch_sync([FIRDatabaseQuery sharedQueue], ^{
FFLog(@"I-RDB040001", @"Disposing all repos for Config with name %@", config.sessionIdentifier);
NSMutableDictionary *configs = [FRepoManager configs];
for (FRepo* repo in [configs[config.sessionIdentifier] allValues]) {
[repo dispose];
}
[configs removeObjectForKey:config.sessionIdentifier];
});
}
@end