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/*
* 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 "Firestore/Source/Model/FSTDatabaseID.h"
#import "Firestore/Source/Util/FSTAssert.h"
NS_ASSUME_NONNULL_BEGIN
/** The default name for "unset" database ID in resource names. */
NSString *const kDefaultDatabaseID = @"(default)";
#pragma mark - FSTDatabaseID
@implementation FSTDatabaseID
+ (instancetype)databaseIDWithProject:(NSString *)projectID database:(NSString *)databaseID {
return [[FSTDatabaseID alloc] initWithProject:projectID database:databaseID];
}
/**
* Designated initializer.
*
* @param projectID The project for the database.
* @param databaseID The database in the datastore.
*/
- (instancetype)initWithProject:(NSString *)projectID database:(NSString *)databaseID {
if (self = [super init]) {
FSTAssert(databaseID, @"databaseID cannot be nil");
_projectID = [projectID copy];
_databaseID = [databaseID copy];
}
return self;
}
- (BOOL)isEqual:(id)other {
if (other == self) return YES;
if (![[other class] isEqual:[self class]]) return NO;
return [self isEqualToDatabaseId:other];
}
- (NSUInteger)hash {
NSUInteger hash = [self.projectID hash];
hash = hash * 31u + [self.databaseID hash];
return hash;
}
- (NSString *)description {
return [NSString
stringWithFormat:@"<FSTDatabaseID: project:%@ database:%@>", self.projectID, self.databaseID];
}
- (NSComparisonResult)compare:(FSTDatabaseID *)other {
NSComparisonResult cmp = [self.projectID compare:other.projectID];
return cmp == NSOrderedSame ? [self.databaseID compare:other.databaseID] : cmp;
}
- (BOOL)isDefaultDatabase {
return [self.databaseID isEqualToString:kDefaultDatabaseID];
}
- (BOOL)isEqualToDatabaseId:(FSTDatabaseID *)databaseID {
if (self == databaseID) return YES;
if (databaseID == nil) return NO;
if (self.projectID != databaseID.projectID &&
![self.projectID isEqualToString:databaseID.projectID])
return NO;
if (self.databaseID != databaseID.databaseID &&
![self.databaseID isEqualToString:databaseID.databaseID])
return NO;
return YES;
}
@end
NS_ASSUME_NONNULL_END
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