Files

85 lines
2.6 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 "FIRDatabaseConfig.h"
#import "FAuthTokenProvider.h"
#import "FIRDatabaseConfig_Private.h"
#import "FIRNoopAuthTokenProvider.h"
@interface FIRDatabaseConfig (Private)
@property (nonatomic, strong, readwrite) NSString *sessionIdentifier;
@end
@implementation FIRDatabaseConfig
- (id)init {
[NSException raise:NSInvalidArgumentException format:@"Can't create config objects!"];
return nil;
}
- (id)initWithSessionIdentifier:(NSString *)identifier authTokenProvider:(id<FAuthTokenProvider>)authTokenProvider {
self = [super init];
if (self != nil) {
self->_sessionIdentifier = identifier;
self->_callbackQueue = dispatch_get_main_queue();
self->_persistenceCacheSizeBytes = 10*1024*1024; // Default cache size is 10MB
self->_authTokenProvider = authTokenProvider;
}
return self;
}
- (void)assertUnfrozen {
if (self.isFrozen) {
[NSException raise:NSGenericException format:@"Can't modify config objects after they are in use for FIRDatabaseReferences."];
}
}
- (void)setAuthTokenProvider:(id<FAuthTokenProvider>)authTokenProvider {
[self assertUnfrozen];
self->_authTokenProvider = authTokenProvider;
}
- (void)setPersistenceEnabled:(BOOL)persistenceEnabled {
[self assertUnfrozen];
self->_persistenceEnabled = persistenceEnabled;
}
- (void)setPersistenceCacheSizeBytes:(NSUInteger)persistenceCacheSizeBytes {
[self assertUnfrozen];
// Can't be less than 1MB
if (persistenceCacheSizeBytes < 1024*1024) {
[NSException raise:NSInvalidArgumentException format:@"The minimum cache size must be at least 1MB"];
}
if (persistenceCacheSizeBytes > 100*1024*1024) {
[NSException raise:NSInvalidArgumentException format:@"Firebase Database currently doesn't support a cache size larger than 100MB"];
}
self->_persistenceCacheSizeBytes = persistenceCacheSizeBytes;
}
- (void)setCallbackQueue:(dispatch_queue_t)callbackQueue {
[self assertUnfrozen];
self->_callbackQueue = callbackQueue;
}
- (void)freeze {
self->_isFrozen = YES;
}
@end