Class MemoryStore

A store for most of the data js-sdk needs to store, apart from crypto data

Hierarchy

MemoryStore
- IndexedDBStore

Implements

IStore

Constructors

constructor

new MemoryStore(opts?: IOpts): MemoryStore
Construct a new in-memory data store for the Matrix Client.
Parameters
- opts: IOpts = {}
  
  Config options
Returns MemoryStore
- Defined in src/store/memory.ts:71

Properties

accountData

accountData: Map<string, MatrixEvent> = ...

`Private` `Optional` clientOptions

clientOptions?: IStoredClientOpts

`Private` filters

filters: MapWithDefault<string, Map<string, Filter>> = ...

`Protected` `Optional` `Readonly` localStorage

localStorage?: Storage

`Private` nextToDeviceBatchId

nextToDeviceBatchId: number = 0

`Private` oobMembers

oobMembers: Map<string, IStateEventWithRoomId[]> = ...

`Private` pendingEvents

pendingEvents: {
[roomId: string]: Partial<IEvent>[];
} = {}

Type declaration

[roomId: string]: Partial<IEvent>[]

`Private` pendingToDeviceBatches

pendingToDeviceBatches: IndexedToDeviceBatch[] = []

`Private` rooms

rooms: Record<string, Room> = {}

`Private` syncToken

syncToken: null | string = null

`Private` users

users: Record<string, User> = {}

Methods

clearOutOfBandMembers

clearOutOfBandMembers(roomId: string): Promise<void>
Parameters
- roomId: string
Returns Promise<void>
Implementation of IStore.clearOutOfBandMembers
- Defined in src/store/memory.ts:395

deleteAllData

deleteAllData(): Promise<void>
Delete all data from this store.

Returns
An immediately resolved promise.

Returns Promise<void>
Implementation of IStore.deleteAllData
- Defined in src/store/memory.ts:360

getAccountData

getAccountData(eventType: string): undefined | MatrixEvent
Get account data event by event type

Returns
the user account_data event of given type, if any
Parameters
- eventType: string
  
  The event type being queried
Returns undefined | MatrixEvent
Implementation of IStore.getAccountData
- Defined in src/store/memory.ts:299

getClientOptions

getClientOptions(): Promise<undefined | IStoredClientOpts>
Returns Promise<undefined | IStoredClientOpts>
Implementation of IStore.getClientOptions
- Defined in src/store/memory.ts:400

getFilter

getFilter(userId: string, filterId: string): null | Filter
Retrieve a filter.

Returns
A filter or null.
Parameters
- userId: string
- filterId: string
Returns null | Filter
Implementation of IStore.getFilter
- Defined in src/store/memory.ts:231

getFilterIdByName

getFilterIdByName(filterName: string): null | string
Retrieve a filter ID with the given name.

Returns
The filter ID or null.
Parameters
- filterName: string
  
  The filter name.
Returns null | string
Implementation of IStore.getFilterIdByName
- Defined in src/store/memory.ts:240

getOldestToDeviceBatch

getOldestToDeviceBatch(): Promise<null | IndexedToDeviceBatch>
Fetches the oldest batch of to-device messages in the queue

Returns Promise<null | IndexedToDeviceBatch>
Implementation of IStore.getOldestToDeviceBatch
- Defined in src/store/memory.ts:429

getOutOfBandMembers

getOutOfBandMembers(roomId: string): Promise<null | IStateEventWithRoomId[]>
Returns the out-of-band membership events for this room that were previously loaded.

Returns
the events, potentially an empty array if OOB loading didn't yield any new members

Returns
in case the members for this room haven't been stored yet
Parameters
- roomId: string
Returns Promise<null | IStateEventWithRoomId[]>
Implementation of IStore.getOutOfBandMembers
- Defined in src/store/memory.ts:379

getPendingEvents

getPendingEvents(roomId: string): Promise<Partial<IEvent>[]>
Parameters
- roomId: string
Returns Promise<Partial<IEvent>[]>
Implementation of IStore.getPendingEvents
- Defined in src/store/memory.ts:409

getRoom

getRoom(roomId: string): null | Room
Retrieve a room by its' room ID.

Returns
The room or null.
Parameters
- roomId: string
  
  The room ID.
Returns null | Room
Implementation of IStore.getRoom
- Defined in src/store/memory.ts:140

getRoomSummaries

getRoomSummaries(): RoomSummary[]
Retrieve a summary of all the rooms.

Returns
A summary of each room.

Returns RoomSummary[]
Implementation of IStore.getRoomSummaries
- Defined in src/store/memory.ts:166

getRooms

getRooms(): Room[]
Retrieve all known rooms.

Returns
A list of rooms, which may be empty.

Returns Room[]
Implementation of IStore.getRooms
- Defined in src/store/memory.ts:148

getSavedSync

getSavedSync(): Promise<null | ISavedSync>
Returns
Promise which resolves with a sync response to restore the client state to where it was at the last save, or null if there is no saved sync data.

Returns Promise<null | ISavedSync>
Implementation of IStore.getSavedSync
- Defined in src/store/memory.ts:344

getSavedSyncToken

getSavedSyncToken(): Promise<null | string>
Returns
If there is a saved sync, the nextBatch token for this sync, otherwise null.

Returns Promise<null | string>
Implementation of IStore.getSavedSyncToken
- Defined in src/store/memory.ts:352

getSyncToken

getSyncToken(): null | string
Retrieve the token to stream from.

Returns
The token or null.

Returns null | string
Implementation of IStore.getSyncToken
- Defined in src/store/memory.ts:79

getUser

getUser(userId: string): null | User
Retrieve a User by its' user ID.

Returns
The user or null.
Parameters
- userId: string
  
  The user ID.
Returns null | User
Implementation of IStore.getUser
- Defined in src/store/memory.ts:185

getUsers

getUsers(): User[]
Retrieve all known users.

Returns
A list of users, which may be empty.

Returns User[]
Implementation of IStore.getUsers
- Defined in src/store/memory.ts:193

isNewlyCreated

isNewlyCreated(): Promise<boolean>
Returns
whether or not the database was newly created in this session.

Returns Promise<boolean>
Implementation of IStore.isNewlyCreated
- Defined in src/store/memory.ts:84

`Private` onRoomMember

onRoomMember(event: null | MatrixEvent, state: RoomState, member: RoomMember): void
Called when a room member in a room being tracked by this store has been updated.
Parameters
- event: null | MatrixEvent
- state: RoomState
- member: RoomMember
Returns void
- Defined in src/store/memory.ts:115

removeRoom

removeRoom(roomId: string): void
Permanently delete a room.
Parameters
- roomId: string
Returns void
Implementation of IStore.removeRoom
- Defined in src/store/memory.ts:155

removeToDeviceBatch

removeToDeviceBatch(id: number): Promise<void>
Removes a specific batch of to-device messages from the queue
Parameters
- id: number
Returns Promise<void>
Implementation of IStore.removeToDeviceBatch
- Defined in src/store/memory.ts:434

save

save(force: boolean): Promise<void>
Save does nothing as there is no backing data store.
Parameters
- force: boolean
  
  True to force a save (but the memory store still can't save anything)
Returns Promise<void>
Implementation of IStore.save
- Defined in src/store/memory.ts:327

saveToDeviceBatches

saveToDeviceBatches(batches: ToDeviceBatchWithTxnId[]): Promise<void>
Stores batches of outgoing to-device messages
Parameters
- batches: ToDeviceBatchWithTxnId[]
Returns Promise<void>
Implementation of IStore.saveToDeviceBatches
- Defined in src/store/memory.ts:417

scrollback

scrollback(room: Room, limit: number): MatrixEvent[]
Retrieve scrollback for this room.

Returns
An array of objects which will be at most 'limit' length and at least 0. The objects are the raw event JSON.
Parameters
- room: Room
  
  The matrix room
- limit: number
  
  The max number of old events to retrieve.
Returns MatrixEvent[]
Implementation of IStore.scrollback
- Defined in src/store/memory.ts:204

setFilterIdByName

setFilterIdByName(filterName: string, filterId?: string): void
Set a filter name to ID mapping.
Parameters
- filterName: string
- Optional filterId: string
Returns void
Implementation of IStore.setFilterIdByName
- Defined in src/store/memory.ts:262

setOutOfBandMembers

setOutOfBandMembers(roomId: string, membershipEvents: IStateEventWithRoomId[]): Promise<void>
Stores the out-of-band membership events for this room. Note that it still makes sense to store an empty array as the OOB status for the room is marked as fetched, and getOutOfBandMembers will return an empty array instead of null

Returns
when all members have been stored
Parameters
- roomId: string
- membershipEvents: IStateEventWithRoomId[]
  
  the membership events to store
Returns Promise<void>
Implementation of IStore.setOutOfBandMembers
- Defined in src/store/memory.ts:390

setPendingEvents

setPendingEvents(roomId: string, events: Partial<IEvent>[]): Promise<void>
Parameters
- roomId: string
- events: Partial<IEvent>[]
Returns Promise<void>
Implementation of IStore.setPendingEvents
- Defined in src/store/memory.ts:413

setSyncData

setSyncData(syncData: ISyncResponse): Promise<void>
setSyncData does nothing as there is no backing data store.

Returns
An immediately resolved promise.
Parameters
- syncData: ISyncResponse
  
  The sync data
Returns Promise<void>
Implementation of IStore.setSyncData
- Defined in src/store/memory.ts:309

setSyncToken

setSyncToken(token: string): void
Set the token to stream from.
Parameters
- token: string
  
  The token to stream from.
Returns void
Implementation of IStore.setSyncToken
- Defined in src/store/memory.ts:92

startup

startup(): Promise<void>
Startup does nothing as this store doesn't require starting up.

Returns
An immediately resolved promise.

Returns Promise<void>
Implementation of IStore.startup
- Defined in src/store/memory.ts:335

storeAccountDataEvents

storeAccountDataEvents(events: MatrixEvent[]): void
Store user-scoped account data events. N.B. that account data only allows a single event per type, so multiple events with the same type will replace each other.
Parameters
- events: MatrixEvent[]
  
  The events to store.
Returns void
Implementation of IStore.storeAccountDataEvents
- Defined in src/store/memory.ts:282

storeClientOptions

storeClientOptions(options: IStoredClientOpts): Promise<void>
Parameters
- options: IStoredClientOpts
Returns Promise<void>
Implementation of IStore.storeClientOptions
- Defined in src/store/memory.ts:404

storeEvents

storeEvents(room: Room, events: MatrixEvent[], token: null | string, toStart: boolean): void
Store events for a room. The events have already been added to the timeline
Parameters
- room: Room
  
  The room to store events for.
- events: MatrixEvent[]
  
  The events to store.
- token: null | string
  
  The token associated with these events.
- toStart: boolean
  
  True if these are paginated results.
Returns void
Implementation of IStore.storeEvents
- Defined in src/store/memory.ts:215

storeFilter

storeFilter(filter: Filter): void
Store a filter.
Parameters
- filter: Filter
Returns void
Implementation of IStore.storeFilter
- Defined in src/store/memory.ts:222

storeRoom

storeRoom(room: Room): void
Store the given room.
Parameters
- room: Room
  
  The room to be stored. All properties must be stored.
Returns void
Implementation of IStore.storeRoom
- Defined in src/store/memory.ts:100

storeUser

storeUser(user: User): void
Store a User.
Parameters
- user: User
  
  The user to store.
Returns void
Implementation of IStore.storeUser
- Defined in src/store/memory.ts:176

wantsSave

wantsSave(): boolean
We never want to save becase we have nothing to save to.

Returns
If the store wants to save

Returns boolean
Implementation of IStore.wantsSave
- Defined in src/store/memory.ts:318

Class MemoryStore

Hierarchy

Implements

Index

Constructors

Properties

Methods

Constructors

constructor

Parameters

opts: IOpts = {}

Returns MemoryStore

Properties

accountData

Private Optional clientOptions

Private filters

Protected Optional Readonly localStorage

Private nextToDeviceBatchId

Private oobMembers

Private pendingEvents

Type declaration

[roomId: string]: Partial<IEvent>[]

Private pendingToDeviceBatches

Private rooms

Private syncToken

Private users

Methods

clearOutOfBandMembers

Parameters

roomId: string

Returns Promise<void>

deleteAllData

Returns

Returns Promise<void>

getAccountData

Returns

Parameters

eventType: string

Returns undefined | MatrixEvent

getClientOptions

Returns Promise<undefined | IStoredClientOpts>

getFilter

Returns

Parameters

userId: string

filterId: string

Returns null | Filter

getFilterIdByName

Returns

Parameters

filterName: string

Returns null | string

getOldestToDeviceBatch

Returns Promise<null | IndexedToDeviceBatch>

getOutOfBandMembers

Returns

Returns

Parameters

roomId: string

Returns Promise<null | IStateEventWithRoomId[]>

getPendingEvents

Parameters

roomId: string

Returns Promise<Partial<IEvent>[]>

getRoom

Returns

Parameters

roomId: string

Returns null | Room

getRoomSummaries

Returns

Returns RoomSummary[]

getRooms

Returns

Returns Room[]

getSavedSync

Returns

Returns Promise<null | ISavedSync>

getSavedSyncToken

Returns

`Private` `Optional` clientOptions

`Private` filters

`Protected` `Optional` `Readonly` localStorage

`Private` nextToDeviceBatchId

`Private` oobMembers

`Private` pendingEvents

`Private` pendingToDeviceBatches

`Private` rooms

`Private` syncToken

`Private` users

`Private` onRoomMember

`Optional` filterId: string