class StartableStoppableLedgerApiServer extends FlagCloseableAsync with NamedLogging
The StartableStoppableLedgerApi enables a canton participant node to start and stop the ledger API server depending on whether the participant node is a High Availability active or passive replica.
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Instance Constructors
- new StartableStoppableLedgerApiServer(config: Config, participantDataSourceConfig: ParticipantDataSourceConfig, dbConfig: DbConfig, createExternalServices: () => List[BindableService] = () => Nil, telemetry: Telemetry)(implicit executionContext: ExecutionContextIdlenessExecutorService, actorSystem: ActorSystem, loggingContext: LoggingContext)
- config
ledger api server configuration
- participantDataSourceConfig
configuration for the data source (e.g., jdbc url)
- dbConfig
the Index DB config
- createExternalServices
A factory to create additional gRPC BindableService-s, which will be bound to the Ledger API gRPC endpoint. All the BindableService-s, which implement java.lang.AutoCloseable, will be also closed upon Ledger API service teardown.
- executionContext
the execution context
Type Members
- case class ReaderState(count: Int, readers: MultiSet[String]) extends Product with Serializable
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Value Members
- object ReaderState extends Serializable
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- final def close(): Unit
Blocks until all earlier tasks have completed and then prevents further tasks from being run.
Blocks until all earlier tasks have completed and then prevents further tasks from being run.
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- @SuppressWarnings()
- def closeAsync(): Seq[AsyncOrSyncCloseable]
closeAsync asynchronously releases resources held by a future
closeAsync asynchronously releases resources held by a future
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an ordered sequence of async and sync closeables with async closeables made up of future and timeout
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- StartableStoppableLedgerApiServer → FlagCloseableAsync
- def closingTimeout: FiniteDuration
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- final def eq(arg0: AnyRef): Boolean
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- implicit def errorLoggingContext(implicit traceContext: TraceContext): ErrorLoggingContext
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- def internalPerformUnlessClosingF[A](name: String)(f: => Future[A])(implicit ec: ExecutionContext, traceContext: TraceContext): UnlessShutdown[Future[A]]
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- def isClosing: Boolean
Check whether we're closing.
Check whether we're closing. Susceptible to race conditions; unless you're using using this as a flag to the retry lib or you really know what you're doing, prefer performUnlessClosing and friends.
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- def keepTrackOfOpenFutures: Boolean
track running futures on shutdown
track running futures on shutdown
set to true to get detailed information about all futures that did not complete during shutdown. if set to false, we don't do anything.
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- def logger: TracedLogger
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- NamedLogging
- def loggerFactory: NamedLoggerFactory
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- StartableStoppableLedgerApiServer → NamedLogging
- def maxSleepMillis: Long
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- implicit def namedLoggingContext(implicit traceContext: TraceContext): NamedLoggingContext
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- def noTracingLogger: Logger
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- final def onClosed(): Unit
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- FlagCloseableAsync → FlagCloseable
- def performUnlessClosing[A](name: String)(f: => A)(implicit traceContext: TraceContext): UnlessShutdown[A]
Performs the task given by
funless a shutdown has been initiated.Performs the task given by
funless a shutdown has been initiated. The shutdown will only begin afterfcompletes, but other tasks may execute concurrently withf, if started using this function, or one of the other variants (performUnlessClosingF and performUnlessClosingEitherT). The tasks are assumed to take less than closingTimeout to complete.DO NOT CALL
this.closeas part off, because it will result in a deadlock.- f
The task to perform
- returns
scala.None$ if a shutdown has been initiated. Otherwise the result of the task.
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- FlagCloseable
- def performUnlessClosingCheckedT[A, N, R](name: String, onClosing: Checked[A, N, R])(etf: => CheckedT[Future, A, N, R])(implicit ec: ExecutionContext, traceContext: TraceContext): CheckedT[Future, A, N, R]
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- def performUnlessClosingEitherT[E, R](name: String, onClosing: => E)(etf: => EitherT[Future, E, R])(implicit ec: ExecutionContext, traceContext: TraceContext): EitherT[Future, E, R]
Performs the EitherT[Future] given by
etfunless a shutdown has been initiated, in which case the provided error is returned instead.Performs the EitherT[Future] given by
etfunless a shutdown has been initiated, in which case the provided error is returned instead. Bothetfand the error are lazy;etfis only evaluated if there is no shutdown, the error only if we're shutting down. The shutdown will only begin afteretfcompletes, but other tasks may execute concurrently withetf, if started using this function, or one of the other variants (performUnlessClosing and performUnlessClosingF). The tasks are assumed to take less than closingTimeout to complete.DO NOT CALL
this.closeas part ofetf, because it will result in a deadlock.- etf
The task to perform
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- FlagCloseable
- def performUnlessClosingEitherTF[E, R](name: String, onClosing: => E)(etf: => EitherT[Future, E, Future[R]])(implicit ec: ExecutionContext, traceContext: TraceContext): EitherT[Future, E, Future[R]]
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- def performUnlessClosingEitherU[E, R](name: String)(etf: => EitherT[Future, E, R])(implicit ec: ExecutionContext, traceContext: TraceContext): EitherT[FutureUnlessShutdown, E, R]
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- FlagCloseable
- def performUnlessClosingF[A](name: String)(f: => Future[A])(implicit ec: ExecutionContext, traceContext: TraceContext): FutureUnlessShutdown[A]
Performs the Future given by
funless a shutdown has been initiated.Performs the Future given by
funless a shutdown has been initiated. The future is lazy and not evaluated during shutdown. The shutdown will only begin afterfcompletes, but other tasks may execute concurrently withf, if started using this function, or one of the other variants (performUnlessClosing and performUnlessClosingEitherT). The tasks are assumed to take less than closingTimeout to complete.DO NOT CALL
this.closeas part off, because it will result in a deadlock.- f
The task to perform
- returns
The future completes with com.digitalasset.canton.lifecycle.UnlessShutdown.AbortedDueToShutdown if a shutdown has been initiated. Otherwise the result of the task wrapped in com.digitalasset.canton.lifecycle.UnlessShutdown.Outcome.
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- FlagCloseable
- def performUnlessClosingUSF[A](name: String)(f: => FutureUnlessShutdown[A])(implicit ec: ExecutionContext, traceContext: TraceContext): FutureUnlessShutdown[A]
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- FlagCloseable
- def runOnShutdown[T](task: RunOnShutdown)(implicit traceContext: TraceContext): Unit
Register a task to run when shutdown is initiated.
Register a task to run when shutdown is initiated.
You can use this for example to register tasks that cancel long-running computations, whose termination you can then wait for in "closeAsync".
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- FlagCloseable
- def runStateChanged(waitingState: Boolean = false): Unit
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- protected
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- @VisibleForTesting()
- def start(overrideIndexerStartupMode: Option[IndexerStartupMode] = None)(implicit traceContext: TraceContext): Future[Unit]
Start the ledger API server and remember the resource.
Start the ledger API server and remember the resource.
Assumes that ledger api is currently stopped erroring otherwise. If asked to start during shutdown ignores start.
A possible improvement to consider in the future is to abort start upon subsequent call to stop. As is the stop will wait until an inflight start completes.
- overrideIndexerStartupMode
Allows overriding the indexer startup mode. This is useful for forcing a custom startup mode for the first initialization of the participant when it is started as an active replica.
- def stop()(implicit traceContext: TraceContext): Future[Unit]
Stops the ledger API server, e.g.
Stops the ledger API server, e.g. upon shutdown or when participant becomes passive.
- final def synchronized[T0](arg0: => T0): T0
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- def timeouts: ProcessingTimeout
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- protected
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- StartableStoppableLedgerApiServer → FlagCloseable
- def toString(): String
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- final def wait(arg0: Long, arg1: Int): Unit
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- @throws(classOf[java.lang.InterruptedException])
- final def wait(arg0: Long): Unit
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