session-ios/SignalMessaging/environment/migrations/OWSDatabaseMigration.h

//
//  Copyright (c) 2018 Open Whisper Systems. All rights reserved.
//

#import <SignalServiceKit/TSYapDatabaseObject.h>

NS_ASSUME_NONNULL_BEGIN

typedef void (^OWSDatabaseMigrationCompletion)(void);

@class OWSPrimaryStorage;

@interface OWSDatabaseMigration : TSYapDatabaseObject

- (instancetype)initWithPrimaryStorage:(OWSPrimaryStorage *)primaryStorage;

@property (nonatomic, readonly) OWSPrimaryStorage *primaryStorage;

// Prefer nonblocking (async) migrations by overriding `runUpWithTransaction:` in a subclass.
// Blocking migrations running too long will crash the app, effectively bricking install
// because the user will never get past it.
// If you must write a launch-blocking migration, override runUp.
- (void)runUpWithCompletion:(OWSDatabaseMigrationCompletion)completion;

@end

NS_ASSUME_NONNULL_END
IdentityKeyStore changes 1) Always accept keys from incoming messages 2) Block sending only if it's a recent change, or if always block is enabled // FREEBIE // FREEBIE 9 years ago			`//`
Don't mark app as ready until all version migrations are done. 8 years ago			`// Copyright (c) 2018 Open Whisper Systems. All rights reserved.`
IdentityKeyStore changes 1) Always accept keys from incoming messages 2) Block sending only if it's a recent change, or if always block is enabled // FREEBIE // FREEBIE 9 years ago			`//`
Async migrations framework * nonblocking by default * track success of each migration independently // FREEBIE 9 years ago
Migrate environment to SignalMessaging. 8 years ago			`#import <SignalServiceKit/TSYapDatabaseObject.h>`
Async migrations framework * nonblocking by default * track success of each migration independently // FREEBIE 9 years ago
			`NS_ASSUME_NONNULL_BEGIN`

Don't mark app as ready until all version migrations are done. 8 years ago			`typedef void (^OWSDatabaseMigrationCompletion)(void);`

Rename TSStorageManager to OWSPrimaryStorage. 8 years ago			`@class OWSPrimaryStorage;`
Async migrations framework * nonblocking by default * track success of each migration independently // FREEBIE 9 years ago
			`@interface OWSDatabaseMigration : TSYapDatabaseObject`

Rename TSStorageManager to OWSPrimaryStorage. 8 years ago			`- (instancetype)initWithPrimaryStorage:(OWSPrimaryStorage *)primaryStorage;`
Async migrations framework * nonblocking by default * track success of each migration independently // FREEBIE 9 years ago
Rename TSStorageManager to OWSPrimaryStorage. 8 years ago			`@property (nonatomic, readonly) OWSPrimaryStorage *primaryStorage;`
Async migrations framework * nonblocking by default * track success of each migration independently // FREEBIE 9 years ago
IdentityKeyStore changes 1) Always accept keys from incoming messages 2) Block sending only if it's a recent change, or if always block is enabled // FREEBIE // FREEBIE 9 years ago			// Prefer nonblocking (async) migrations by overriding `runUpWithTransaction:` in a subclass.
			`// Blocking migrations running too long will crash the app, effectively bricking install`
			`// because the user will never get past it.`
			`// If you must write a launch-blocking migration, override runUp.`
Don't mark app as ready until all version migrations are done. 8 years ago			`- (void)runUpWithCompletion:(OWSDatabaseMigrationCompletion)completion;`
Async migrations framework * nonblocking by default * track success of each migration independently // FREEBIE 9 years ago
			`@end`

			`NS_ASSUME_NONNULL_END`