session-ios/SignalServiceKit/src/Storage/OWSIncomingMessageFinder.h
2017-09-20 09:40:46 -04:00

30 lines
712 B
Objective-C

//
// Copyright (c) 2017 Open Whisper Systems. All rights reserved.
//
NS_ASSUME_NONNULL_BEGIN
@class YapDatabase;
@class YapDatabaseReadTransaction;
@interface OWSIncomingMessageFinder : NSObject
- (instancetype)initWithDatabase:(YapDatabase *)database NS_DESIGNATED_INITIALIZER;
/**
* Must be called before using this finder.
*/
- (void)asyncRegisterExtension;
/**
* Detects existance of a duplicate incoming message.
*/
- (BOOL)existsMessageWithTimestamp:(uint64_t)timestamp
sourceId:(NSString *)sourceId
sourceDeviceId:(uint32_t)sourceDeviceId
transaction:(YapDatabaseReadTransaction *)transaction;
@end
NS_ASSUME_NONNULL_END