factories to create DataSystemInitializers, in priority order.
factories to create DataSystemSynchronizers, in priority order.
Optional _logger: LDLoggerOptional Optional _transitionConditions: TransitionConditionsOptional Optional _backoff: BackoffOptional Private Readonly _backoffPrivate _cancelPrivate _cancellablePrivate _consumePrivate _externalPrivate Optional _externalPrivate _initPrivate _initPrivate Optional Readonly _loggerPrivate _lookupthe transition condition for the provided data source state or undefined if there is no transition condition
Private _pickDetermines the next datasource and returns that datasource as well as a closure to cull the datasource from the datasource lists. One example where the cull closure is invoked is if the datasource has an unrecoverable error.
Private _resetPrivate _stoppedPrivate _syncPrivate Readonly _transitionPrivate _wrapThis wrapper will ensure the following:
Don't report DataSourceState.Initializing except as first status callback. Map underlying DataSourceState.Closed to interrupted. Don't report the same status and error twice in a row.
May be called any number of times, if already started, has no effect
that will be called when data arrives, may be called multiple times.
that will be called when data source state changes or an unrecoverable error has been encountered.
Optional err: anyOptional Generated using TypeDoc
The CompositeDataSource can combine a number of DataSystemInitializers and DataSystemSynchronizers into a single DataSource, implementing fallback and recovery logic internally to choose where data is sourced from.