| commit | author | age | ||
| a6c014 | 1 | /* |
| L | 2 | * Copyright 2019 Google |
| 3 | * | |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); | |
| 5 | * you may not use this file except in compliance with the License. | |
| 6 | * You may obtain a copy of the License at | |
| 7 | * | |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 | |
| 9 | * | |
| 10 | * Unless required by applicable law or agreed to in writing, software | |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, | |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| 13 | * See the License for the specific language governing permissions and | |
| 14 | * limitations under the License. | |
| 15 | */ | |
| 16 | ||
| 17 | #import <Foundation/Foundation.h> | |
| 18 | ||
| 19 | NS_ASSUME_NONNULL_BEGIN | |
| 20 | ||
| 21 | /// Stores either a date or a dictionary to a specified file. | |
| 22 | @interface GULHeartbeatDateStorage : NSObject | |
| 23 | ||
| 24 | - (instancetype)init NS_UNAVAILABLE; | |
| 25 | ||
| 26 | @property(nonatomic, readonly) NSURL *fileURL; | |
| 27 | ||
| 28 | /** | |
| 29 | * Default initializer. | |
| 30 | * @param fileName The name of the file to store the date information. | |
| 31 | * exist, it will be created if needed. | |
| 32 | */ | |
| 33 | - (instancetype)initWithFileName:(NSString *)fileName; | |
| 34 | ||
| 35 | /** | |
| 36 | * Reads the date from the specified file for the given tag. | |
| 37 | * @return Returns date if exists, otherwise `nil`. | |
| 38 | */ | |
| 39 | - (nullable NSDate *)heartbeatDateForTag:(NSString *)tag; | |
| 40 | ||
| 41 | /** | |
| 42 | * Saves the date for the specified tag in the specified file. | |
| 43 | * @return YES on success, NO otherwise. | |
| 44 | */ | |
| 45 | - (BOOL)setHearbeatDate:(NSDate *)date forTag:(NSString *)tag; | |
| 46 | ||
| 47 | @end | |
| 48 | ||
| 49 | NS_ASSUME_NONNULL_END | |
