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/*
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* Copyright 2018 Google
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#import "GoogleDataTransport/GDTCORLibrary/Internal/GDTCORRegistrar.h"
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#import "GoogleDataTransport/GDTCORLibrary/Private/GDTCORRegistrar_Private.h"
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#import "GoogleDataTransport/GDTCORLibrary/Public/GoogleDataTransport/GDTCORConsoleLogger.h"
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id<GDTCORStorageProtocol> _Nullable GDTCORStorageInstanceForTarget(GDTCORTarget target) {
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return [GDTCORRegistrar sharedInstance].targetToStorage[@(target)];
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}
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FOUNDATION_EXPORT
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id<GDTCORStoragePromiseProtocol> _Nullable GDTCORStoragePromiseInstanceForTarget(
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GDTCORTarget target) {
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id storage = [GDTCORRegistrar sharedInstance].targetToStorage[@(target)];
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if ([storage conformsToProtocol:@protocol(GDTCORStoragePromiseProtocol)]) {
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return storage;
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} else {
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return nil;
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}
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}
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@implementation GDTCORRegistrar {
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/** Backing ivar for targetToUploader property. */
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NSMutableDictionary<NSNumber *, id<GDTCORUploader>> *_targetToUploader;
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/** Backing ivar for targetToStorage property. */
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NSMutableDictionary<NSNumber *, id<GDTCORStorageProtocol>> *_targetToStorage;
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}
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+ (instancetype)sharedInstance {
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static GDTCORRegistrar *sharedInstance;
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static dispatch_once_t onceToken;
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dispatch_once(&onceToken, ^{
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sharedInstance = [[GDTCORRegistrar alloc] init];
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});
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return sharedInstance;
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}
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- (instancetype)init {
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self = [super init];
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if (self) {
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_registrarQueue = dispatch_queue_create("com.google.GDTCORRegistrar", DISPATCH_QUEUE_SERIAL);
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_targetToUploader = [[NSMutableDictionary alloc] init];
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_targetToStorage = [[NSMutableDictionary alloc] init];
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}
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return self;
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}
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- (void)registerUploader:(id<GDTCORUploader>)backend target:(GDTCORTarget)target {
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__weak GDTCORRegistrar *weakSelf = self;
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dispatch_async(_registrarQueue, ^{
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GDTCORRegistrar *strongSelf = weakSelf;
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if (strongSelf) {
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GDTCORLogDebug(@"Registered an uploader: %@ for target:%ld", backend, (long)target);
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strongSelf->_targetToUploader[@(target)] = backend;
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}
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});
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}
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- (void)registerStorage:(id<GDTCORStorageProtocol>)storage target:(GDTCORTarget)target {
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__weak GDTCORRegistrar *weakSelf = self;
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dispatch_async(_registrarQueue, ^{
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GDTCORRegistrar *strongSelf = weakSelf;
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if (strongSelf) {
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GDTCORLogDebug(@"Registered storage: %@ for target:%ld", storage, (long)target);
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strongSelf->_targetToStorage[@(target)] = storage;
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}
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});
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}
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- (NSMutableDictionary<NSNumber *, id<GDTCORUploader>> *)targetToUploader {
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__block NSMutableDictionary<NSNumber *, id<GDTCORUploader>> *targetToUploader;
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__weak GDTCORRegistrar *weakSelf = self;
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dispatch_sync(_registrarQueue, ^{
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GDTCORRegistrar *strongSelf = weakSelf;
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if (strongSelf) {
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targetToUploader = strongSelf->_targetToUploader;
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}
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});
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return targetToUploader;
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}
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- (NSMutableDictionary<NSNumber *, id<GDTCORStorageProtocol>> *)targetToStorage {
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__block NSMutableDictionary<NSNumber *, id<GDTCORStorageProtocol>> *targetToStorage;
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__weak GDTCORRegistrar *weakSelf = self;
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dispatch_sync(_registrarQueue, ^{
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GDTCORRegistrar *strongSelf = weakSelf;
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if (strongSelf) {
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targetToStorage = strongSelf->_targetToStorage;
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}
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});
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return targetToStorage;
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}
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#pragma mark - GDTCORLifecycleProtocol
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- (void)appWillBackground:(nonnull GDTCORApplication *)app {
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NSArray<id<GDTCORUploader>> *uploaders = [self.targetToUploader allValues];
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for (id<GDTCORUploader> uploader in uploaders) {
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if ([uploader respondsToSelector:@selector(appWillBackground:)]) {
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[uploader appWillBackground:app];
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}
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}
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NSArray<id<GDTCORStorageProtocol>> *storages = [self.targetToStorage allValues];
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for (id<GDTCORStorageProtocol> storage in storages) {
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if ([storage respondsToSelector:@selector(appWillBackground:)]) {
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[storage appWillBackground:app];
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}
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}
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}
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- (void)appWillForeground:(nonnull GDTCORApplication *)app {
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NSArray<id<GDTCORUploader>> *uploaders = [self.targetToUploader allValues];
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for (id<GDTCORUploader> uploader in uploaders) {
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if ([uploader respondsToSelector:@selector(appWillForeground:)]) {
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[uploader appWillForeground:app];
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}
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}
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NSArray<id<GDTCORStorageProtocol>> *storages = [self.targetToStorage allValues];
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for (id<GDTCORStorageProtocol> storage in storages) {
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if ([storage respondsToSelector:@selector(appWillForeground:)]) {
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[storage appWillForeground:app];
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}
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}
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}
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- (void)appWillTerminate:(nonnull GDTCORApplication *)app {
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NSArray<id<GDTCORUploader>> *uploaders = [self.targetToUploader allValues];
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for (id<GDTCORUploader> uploader in uploaders) {
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if ([uploader respondsToSelector:@selector(appWillTerminate:)]) {
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[uploader appWillTerminate:app];
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}
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}
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NSArray<id<GDTCORStorageProtocol>> *storages = [self.targetToStorage allValues];
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for (id<GDTCORStorageProtocol> storage in storages) {
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if ([storage respondsToSelector:@selector(appWillTerminate:)]) {
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[storage appWillTerminate:app];
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}
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}
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}
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@end
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