Uses of Class
io.trino.execution.TaskId

Packages that use TaskId

Package	Description
io.trino
io.trino.event
io.trino.exchange
io.trino.execution
io.trino.execution.buffer
io.trino.execution.executor
io.trino.execution.executor.dedicated
io.trino.execution.executor.timesharing
io.trino.execution.scheduler
io.trino.execution.scheduler.faulttolerant
io.trino.memory
io.trino.metadata
io.trino.operator
io.trino.server
io.trino.server.remotetask
io.trino.server.ui
io.trino.split

Uses of TaskId in io.trino

Methods in io.trino that return TaskId

Modifier and Type	Method	Description
TaskId	TaskMemoryInfo.getTaskId()

Constructors in io.trino with parameters of type TaskId

Modifier	Constructor	Description
	TaskMemoryInfo(TaskId taskId, long memoryReservation)

Uses of TaskId in io.trino.event

Methods in io.trino.event with parameters of type TaskId

Modifier and Type	Method	Description
void	SplitMonitor.splitCompletedEvent(TaskId taskId, DriverStats driverStats)
void	SplitMonitor.splitFailedEvent(TaskId taskId, DriverStats driverStats, Throwable cause)

Uses of TaskId in io.trino.exchange

Methods in io.trino.exchange that return TaskId

Modifier and Type	Method	Description
TaskId	DirectExchangeInput.getTaskId()

Constructors in io.trino.exchange with parameters of type TaskId

Modifier	Constructor	Description
	DirectExchangeInput(TaskId taskId, String location)

Uses of TaskId in io.trino.execution

Methods in io.trino.execution that return TaskId

Modifier and Type	Method	Description
TaskId	RemoteTask.getTaskId()
TaskId	SqlTask.getTaskId()
TaskId	SqlTaskExecution.getTaskId()
TaskId	TaskStateMachine.getTaskId()
TaskId	TaskStatus.getTaskId()
static TaskId	TaskId.valueOf(String taskId)

Methods in io.trino.execution with parameters of type TaskId

Modifier and Type	Method	Description
TaskInfo	SqlTaskManager.abortTask(TaskId taskId)	Aborts a task.
DynamicFiltersCollector.VersionedDynamicFilterDomains	SqlTaskManager.acknowledgeAndGetNewDynamicFilterDomains(TaskId taskId, long currentDynamicFiltersVersion)
void	SqlTaskManager.acknowledgeTaskResults(TaskId taskId, PipelinedOutputBuffers.OutputBufferId bufferId, long sequenceId)	Acknowledges previously received results.
void	SqlTaskManager.addSourceTaskFailureListener(TaskId taskId, TaskFailureListener listener)	Add a listener that notifies about failures of any source tasks for a given task
void	SqlTaskManager.addStateChangeListener(TaskId taskId, StateMachine.StateChangeListener<TaskState> stateChangeListener)	Adds a state change listener to the specified task.
TaskInfo	SqlTaskManager.cancelTask(TaskId taskId)	Cancels a task.
static TaskInfo	TaskInfo.createInitialTask(TaskId taskId, URI location, String nodeId, boolean speculative, Optional<List<PipelinedBufferInfo>> pipelinedBufferStates, TaskStats taskStats)
URI	LocationFactory.createLocalTaskLocation(TaskId taskId)
NodeTaskMap.PartitionedSplitCountTracker	NodeTaskMap.createPartitionedSplitCountTracker(InternalNode node, TaskId taskId)
RemoteTask	MemoryTrackingRemoteTaskFactory.createRemoteTask(Session session, io.opentelemetry.api.trace.Span stageSpan, TaskId taskId, InternalNode node, boolean speculative, PlanFragment fragment, com.google.common.collect.Multimap<PlanNodeId,Split> initialSplits, OutputBuffers outputBuffers, NodeTaskMap.PartitionedSplitCountTracker partitionedSplitCountTracker, Set<DynamicFilterId> outboundDynamicFilterIds, Optional<io.airlift.units.DataSize> estimatedMemory, boolean summarizeTaskInfo)
RemoteTask	RemoteTaskFactory.createRemoteTask(Session session, io.opentelemetry.api.trace.Span stageSpan, TaskId taskId, InternalNode node, boolean speculative, PlanFragment fragment, com.google.common.collect.Multimap<PlanNodeId,Split> initialSplits, OutputBuffers outputBuffers, NodeTaskMap.PartitionedSplitCountTracker partitionedSplitCountTracker, Set<DynamicFilterId> outboundDynamicFilterIds, Optional<io.airlift.units.DataSize> estimatedMemory, boolean summarizeTaskInfo)
static SqlTask	SqlTask.createSqlTask(TaskId taskId, URI location, String nodeId, QueryContext queryContext, io.opentelemetry.api.trace.Tracer tracer, SqlTaskExecutionFactory sqlTaskExecutionFactory, ExecutorService taskNotificationExecutor, Consumer<SqlTask> onDone, io.airlift.units.DataSize maxBufferSize, io.airlift.units.DataSize maxBroadcastBufferSize, ExchangeManagerRegistry exchangeManagerRegistry, io.airlift.stats.CounterStat failedTasks)
URI	LocationFactory.createTaskLocation(InternalNode node, TaskId taskId)
TaskInfo	SqlTaskManager.destroyTaskResults(TaskId taskId, PipelinedOutputBuffers.OutputBufferId bufferId)	Aborts a result buffer for a task.
void	DataDefinitionExecution.failTask(TaskId taskId, Exception reason)
void	QueryExecution.failTask(TaskId taskId, Exception reason)
void	SqlQueryExecution.failTask(TaskId taskId, Exception reason)
TaskInfo	SqlTaskManager.failTask(TaskId taskId, Throwable failure)	Fail a task.
void	SqlStage.failTaskRemotely(TaskId taskId, Throwable failureCause)
TaskInfo	SqlTaskManager.getTaskInfo(TaskId taskId)	Gets the info for the specified task.
com.google.common.util.concurrent.ListenableFuture<TaskInfo>	SqlTaskManager.getTaskInfo(TaskId taskId, long currentVersion)	Gets future info for the task after the state changes from current state.
SqlTaskManager.SqlTaskWithResults	SqlTaskManager.getTaskResults(TaskId taskId, PipelinedOutputBuffers.OutputBufferId bufferId, long startingSequenceId, io.airlift.units.DataSize maxSize)	Gets results from a task either immediately or in the future.
TaskStatus	SqlTaskManager.getTaskStatus(TaskId taskId)	Gets the status for the specified task.
com.google.common.util.concurrent.ListenableFuture<TaskStatus>	SqlTaskManager.getTaskStatus(TaskId taskId, long currentVersion)	Gets future status for the task after the state changes from current state.
Optional<String>	SqlTaskManager.getTraceToken(TaskId taskId)	Return trace token for a given task (see Session#traceToken)
static TaskStatus	TaskStatus.initialTaskStatus(TaskId taskId, URI location, String nodeId, boolean speculative)
void	TaskFailureListener.onTaskFailed(TaskId taskId, Throwable failure)
void	DataDefinitionExecution.outputTaskFailed(TaskId taskId, Throwable failure)
void	QueryExecution.outputTaskFailed(TaskId taskId, Throwable failure)
void	QueryManager.outputTaskFailed(TaskId taskId, Throwable failure)	Notify that one of the output tasks failed for a given query
void	QueryStateMachine.outputTaskFailed(TaskId taskId, Throwable failure)
void	QueryStateMachine.QueryOutputManager.outputTaskFailed(TaskId taskId, Throwable failure)
void	SqlQueryExecution.outputTaskFailed(TaskId taskId, Throwable failure)
void	SqlQueryManager.outputTaskFailed(TaskId taskId, Throwable failure)
void	TaskStateMachine.sourceTaskFailed(TaskId taskId, Throwable failure)
TaskInfo	SqlTaskManager.updateTask(Session session, TaskId taskId, io.opentelemetry.api.trace.Span stageSpan, Optional<PlanFragment> fragment, List<SplitAssignment> splitAssignments, OutputBuffers outputBuffers, Map<DynamicFilterId,Domain> dynamicFilterDomains, boolean speculative)	Updates the task plan, splitAssignments and output buffers.

Constructors in io.trino.execution with parameters of type TaskId

Modifier	Constructor	Description
	TaskStateMachine(TaskId taskId, Executor executor)
	TaskStatus(TaskId taskId, String taskInstanceId, long version, TaskState state, URI self, String nodeId, boolean speculative, List<ExecutionFailureInfo> failures, int queuedPartitionedDrivers, int runningPartitionedDrivers, OutputBufferStatus outputBufferStatus, io.airlift.units.DataSize outputDataSize, io.airlift.units.DataSize writerInputDataSize, io.airlift.units.DataSize physicalWrittenDataSize, Optional<Integer> maxWriterCount, io.airlift.units.DataSize memoryReservation, io.airlift.units.DataSize peakMemoryReservation, io.airlift.units.DataSize revocableMemoryReservation, long fullGcCount, io.airlift.units.Duration fullGcTime, long dynamicFiltersVersion, long queuedPartitionedSplitsWeight, long runningPartitionedSplitsWeight)

Uses of TaskId in io.trino.execution.buffer

Constructors in io.trino.execution.buffer with parameters of type TaskId

Modifier	Constructor	Description
	LazyOutputBuffer(TaskId taskId, String taskInstanceId, Executor executor, io.airlift.units.DataSize maxBufferSize, io.airlift.units.DataSize maxBroadcastBufferSize, Supplier<LocalMemoryContext> memoryContextSupplier, Runnable notifyStatusChanged, ExchangeManagerRegistry exchangeManagerRegistry)
	OutputBufferStateMachine(TaskId taskId, Executor executor)

Uses of TaskId in io.trino.execution.executor

Methods in io.trino.execution.executor that return TaskId

Modifier and Type	Method	Description
TaskId	RunningSplitInfo.getTaskId()

Methods in io.trino.execution.executor that return types with arguments of type TaskId

Modifier and Type	Method	Description
Set<TaskId>	TaskExecutor.getStuckSplitTaskIds(io.airlift.units.Duration processingDurationThreshold, Predicate<RunningSplitInfo> filter)

Methods in io.trino.execution.executor with parameters of type TaskId

Modifier and Type	Method	Description
TaskHandle	TaskExecutor.addTask(TaskId taskId, DoubleSupplier utilizationSupplier, int initialSplitConcurrency, io.airlift.units.Duration splitConcurrencyAdjustFrequency, OptionalInt maxDriversPerTask)

Constructors in io.trino.execution.executor with parameters of type TaskId

Modifier	Constructor	Description
	RunningSplitInfo(long startTime, String threadId, Thread thread, TaskId taskId, Supplier<String> splitInfo)

Uses of TaskId in io.trino.execution.executor.dedicated

Methods in io.trino.execution.executor.dedicated that return types with arguments of type TaskId

Modifier and Type	Method	Description
Set<TaskId>	ThreadPerDriverTaskExecutor.getStuckSplitTaskIds(io.airlift.units.Duration processingDurationThreshold, Predicate<RunningSplitInfo> filter)

Methods in io.trino.execution.executor.dedicated with parameters of type TaskId

Modifier and Type	Method	Description
TaskHandle	ThreadPerDriverTaskExecutor.addTask(TaskId taskId, DoubleSupplier utilizationSupplier, int initialSplitConcurrency, io.airlift.units.Duration splitConcurrencyAdjustFrequency, OptionalInt maxDriversPerTask)

Uses of TaskId in io.trino.execution.executor.timesharing

Methods in io.trino.execution.executor.timesharing that return TaskId

Modifier and Type	Method	Description
TaskId	TimeSharingTaskHandle.getTaskId()

Methods in io.trino.execution.executor.timesharing that return types with arguments of type TaskId

Modifier and Type	Method	Description
Set<TaskId>	TimeSharingTaskExecutor.getStuckSplitTaskIds(io.airlift.units.Duration processingDurationThreshold, Predicate<RunningSplitInfo> filter)

Methods in io.trino.execution.executor.timesharing with parameters of type TaskId

Modifier and Type	Method	Description
TimeSharingTaskHandle	TimeSharingTaskExecutor.addTask(TaskId taskId, DoubleSupplier utilizationSupplier, int initialSplitConcurrency, io.airlift.units.Duration splitConcurrencyAdjustFrequency, OptionalInt maxDriversPerTask)

Constructors in io.trino.execution.executor.timesharing with parameters of type TaskId

Modifier	Constructor	Description
	TimeSharingTaskHandle(TaskId taskId, MultilevelSplitQueue splitQueue, DoubleSupplier utilizationSupplier, int initialSplitConcurrency, io.airlift.units.Duration splitConcurrencyAdjustFrequency, OptionalInt maxDriversPerTask)

Uses of TaskId in io.trino.execution.scheduler

Methods in io.trino.execution.scheduler with parameters of type TaskId

Modifier and Type	Method	Description
void	PipelinedQueryScheduler.failTask(TaskId taskId, Throwable failureCause)
void	PipelinedStageExecution.failTask(TaskId taskId, Throwable failureCause)
void	QueryScheduler.failTask(TaskId taskId, Throwable failureCause)
void	StageExecution.failTask(TaskId taskId, Throwable failureCause)

Uses of TaskId in io.trino.execution.scheduler.faulttolerant

Methods in io.trino.execution.scheduler.faulttolerant with parameters of type TaskId

Modifier and Type	Method	Description
default void	NodeAllocator.NodeLease.attachTaskId(TaskId taskId)
void	EventDrivenFaultTolerantQueryScheduler.failTask(TaskId taskId, Throwable failureCause)
void	EventDrivenFaultTolerantQueryScheduler.StageExecution.finalizeUpdateOfExchangeSinkInstanceHandle(TaskId taskId, ExchangeSinkInstanceHandle updatedExchangeSinkInstanceHandle)
void	EventDrivenFaultTolerantQueryScheduler.StageExecution.initializeUpdateOfExchangeSinkInstanceHandle(TaskId taskId, BlockingQueue<io.trino.execution.scheduler.faulttolerant.EventDrivenFaultTolerantQueryScheduler.Event> eventQueue)
List<io.trino.execution.scheduler.faulttolerant.EventDrivenFaultTolerantQueryScheduler.PrioritizedScheduledTask>	EventDrivenFaultTolerantQueryScheduler.StageExecution.taskFailed(TaskId taskId, ExecutionFailureInfo failureInfo, TaskStatus taskStatus)
void	EventDrivenFaultTolerantQueryScheduler.StageExecution.taskFinished(TaskId taskId, TaskStatus taskStatus)

Uses of TaskId in io.trino.memory

Methods in io.trino.memory that return types with arguments of type TaskId

Modifier and Type	Method	Description
Map<TaskId,TaskInfo>	LowMemoryKiller.RunningQueryInfo.getTaskInfos()
Map<TaskId,Long>	MemoryPool.getTaskMemoryReservations()
Map<TaskId,Long>	MemoryPool.getTaskRevocableMemoryReservations()
Set<TaskId>	KillTarget.getTasks()

Methods in io.trino.memory with parameters of type TaskId

Modifier and Type	Method	Description
void	MemoryPool.free(TaskId taskId, String allocationTag, long bytes)
void	MemoryPool.freeRevocable(TaskId taskId, long bytes)
TaskContext	QueryContext.getTaskContextByTaskId(TaskId taskId)
com.google.common.util.concurrent.ListenableFuture<Void>	MemoryPool.reserve(TaskId taskId, String allocationTag, long bytes)	Reserves the given number of bytes.
com.google.common.util.concurrent.ListenableFuture<Void>	MemoryPool.reserveRevocable(TaskId taskId, long bytes)
boolean	MemoryPool.tryReserve(TaskId taskId, String allocationTag, long bytes)	Try to reserve the given number of bytes.

Method parameters in io.trino.memory with type arguments of type TaskId

Modifier and Type	Method	Description
static KillTarget	KillTarget.selectedTasks(Set<TaskId> tasks)

Constructor parameters in io.trino.memory with type arguments of type TaskId

Modifier	Constructor	Description
	RunningQueryInfo(QueryId queryId, long memoryReservation, Map<TaskId,TaskInfo> taskInfos, RetryPolicy retryPolicy)

Uses of TaskId in io.trino.metadata

Methods in io.trino.metadata with parameters of type TaskId

Modifier and Type	Method	Description
void	LanguageFunctionManager.registerTask(TaskId taskId, List<LanguageScalarFunctionData> languageFunctions)
void	LanguageFunctionProvider.registerTask(TaskId taskId, List<LanguageScalarFunctionData> languageFunctions)
void	WorkerLanguageFunctionProvider.registerTask(TaskId taskId, List<LanguageScalarFunctionData> functions)
void	LanguageFunctionManager.unregisterTask(TaskId taskId)
void	LanguageFunctionProvider.unregisterTask(TaskId taskId)
void	WorkerLanguageFunctionProvider.unregisterTask(TaskId taskId)

Uses of TaskId in io.trino.operator

Methods in io.trino.operator that return TaskId

Modifier and Type	Method	Description
TaskId	HttpPageBufferClient.getRemoteTaskId()
TaskId	DriverContext.getTaskId()
TaskId	PipelineContext.getTaskId()
TaskId	ProcessorContext.getTaskId()
TaskId	TaskContext.getTaskId()

Methods in io.trino.operator with parameters of type TaskId

Modifier and Type	Method	Description
void	DirectExchangeClient.addLocation(TaskId taskId, URI location)
void	DeduplicatingDirectExchangeBuffer.addPages(TaskId taskId, List<io.airlift.slice.Slice> pages)
void	DirectExchangeBuffer.addPages(TaskId taskId, List<io.airlift.slice.Slice> pages)
void	StreamingDirectExchangeBuffer.addPages(TaskId taskId, List<io.airlift.slice.Slice> pages)
void	DeduplicatingDirectExchangeBuffer.addTask(TaskId taskId)
void	DirectExchangeBuffer.addTask(TaskId taskId)
void	StreamingDirectExchangeBuffer.addTask(TaskId taskId)
void	TaskContext.sourceTaskFailed(TaskId taskId, Throwable failure)
void	DeduplicatingDirectExchangeBuffer.taskFailed(TaskId taskId, Throwable t)
void	DirectExchangeBuffer.taskFailed(TaskId taskId, Throwable t)
void	StreamingDirectExchangeBuffer.taskFailed(TaskId taskId, Throwable t)
void	DeduplicatingDirectExchangeBuffer.taskFinished(TaskId taskId)
void	DirectExchangeBuffer.taskFinished(TaskId taskId)
void	StreamingDirectExchangeBuffer.taskFinished(TaskId taskId)

Constructors in io.trino.operator with parameters of type TaskId

Modifier	Constructor	Description
	HttpPageBufferClient(String selfAddress, io.airlift.http.client.HttpClient httpClient, FeaturesConfig.DataIntegrityVerification dataIntegrityVerification, io.airlift.units.DataSize maxResponseSize, io.airlift.units.Duration maxErrorDuration, boolean acknowledgePages, TaskId remoteTaskId, URI location, HttpPageBufferClient.ClientCallback clientCallback, ScheduledExecutorService scheduledExecutor, com.google.common.base.Ticker ticker, Executor pageBufferClientCallbackExecutor)
	HttpPageBufferClient(String selfAddress, io.airlift.http.client.HttpClient httpClient, FeaturesConfig.DataIntegrityVerification dataIntegrityVerification, io.airlift.units.DataSize maxResponseSize, io.airlift.units.Duration maxErrorDuration, boolean acknowledgePages, TaskId remoteTaskId, URI location, HttpPageBufferClient.ClientCallback clientCallback, ScheduledExecutorService scheduledExecutor, Executor pageBufferClientCallbackExecutor)

Uses of TaskId in io.trino.server

Methods in io.trino.server with parameters of type TaskId

Modifier and Type	Method	Description
void	TaskResource.acknowledgeAndGetNewDynamicFilterDomains(TaskId taskId, Long currentDynamicFiltersVersion, jakarta.ws.rs.core.UriInfo uriInfo, jakarta.ws.rs.container.AsyncResponse asyncResponse)
void	TaskResource.acknowledgeResults(TaskId taskId, PipelinedOutputBuffers.OutputBufferId bufferId, long token)
void	DynamicFilterService.addTaskDynamicFilters(TaskId taskId, Map<DynamicFilterId,Domain> newDynamicFilters)
void	TaskResource.createOrUpdateTask(TaskId taskId, TaskUpdateRequest taskUpdateRequest, jakarta.ws.rs.core.UriInfo uriInfo, jakarta.ws.rs.container.AsyncResponse asyncResponse)
RemoteTask	HttpRemoteTaskFactory.createRemoteTask(Session session, io.opentelemetry.api.trace.Span stageSpan, TaskId taskId, InternalNode node, boolean speculative, PlanFragment fragment, com.google.common.collect.Multimap<PlanNodeId,Split> initialSplits, OutputBuffers outputBuffers, NodeTaskMap.PartitionedSplitCountTracker partitionedSplitCountTracker, Set<DynamicFilterId> outboundDynamicFilterIds, Optional<io.airlift.units.DataSize> estimatedMemory, boolean summarizeTaskInfo)
TaskInfo	TaskResource.deleteTask(TaskId taskId, boolean abort, jakarta.ws.rs.core.UriInfo uriInfo)
void	TaskResource.destroyTaskResults(TaskId taskId, PipelinedOutputBuffers.OutputBufferId bufferId, jakarta.ws.rs.core.UriInfo uriInfo, jakarta.ws.rs.container.AsyncResponse asyncResponse)
TaskInfo	TaskResource.failTask(TaskId taskId, FailTaskRequest failTaskRequest, jakarta.ws.rs.core.UriInfo uriInfo)
void	TaskResource.getResults(TaskId taskId, PipelinedOutputBuffers.OutputBufferId bufferId, long token, io.airlift.units.DataSize maxSize, jakarta.ws.rs.container.AsyncResponse asyncResponse)
void	TaskResource.getTaskInfo(TaskId taskId, Long currentVersion, io.airlift.units.Duration maxWait, jakarta.ws.rs.core.UriInfo uriInfo, jakarta.ws.rs.container.AsyncResponse asyncResponse)
void	TaskResource.getTaskStatus(TaskId taskId, Long currentVersion, io.airlift.units.Duration maxWait, jakarta.ws.rs.core.UriInfo uriInfo, jakarta.ws.rs.container.AsyncResponse asyncResponse)

Uses of TaskId in io.trino.server.remotetask

Methods in io.trino.server.remotetask that return TaskId

Modifier and Type	Method	Description
TaskId	HttpRemoteTask.getTaskId()

Methods in io.trino.server.remotetask with parameters of type TaskId

Modifier and Type	Method	Description
URI	HttpLocationFactory.createLocalTaskLocation(TaskId taskId)
URI	HttpLocationFactory.createTaskLocation(InternalNode node, TaskId taskId)

Constructors in io.trino.server.remotetask with parameters of type TaskId

Modifier	Constructor	Description
	HttpRemoteTask(Session session, io.opentelemetry.api.trace.Span stageSpan, TaskId taskId, InternalNode node, boolean speculative, URI location, PlanFragment planFragment, com.google.common.collect.Multimap<PlanNodeId,Split> initialSplits, OutputBuffers outputBuffers, io.airlift.http.client.HttpClient httpClient, Executor executor, ScheduledExecutorService updateScheduledExecutor, ScheduledExecutorService errorScheduledExecutor, io.airlift.units.Duration maxErrorDuration, io.airlift.units.Duration taskStatusRefreshMaxWait, io.airlift.units.Duration taskInfoUpdateInterval, io.airlift.units.Duration taskTerminationTimeout, boolean summarizeTaskInfo, io.airlift.json.JsonCodec<TaskStatus> taskStatusCodec, io.airlift.json.JsonCodec<DynamicFiltersCollector.VersionedDynamicFilterDomains> dynamicFilterDomainsCodec, io.airlift.json.JsonCodec<TaskInfo> taskInfoCodec, io.airlift.json.JsonCodec<TaskUpdateRequest> taskUpdateRequestCodec, io.airlift.json.JsonCodec<FailTaskRequest> failTaskRequestCodec, NodeTaskMap.PartitionedSplitCountTracker partitionedSplitCountTracker, io.opentelemetry.api.trace.Tracer tracer, RemoteTaskStats stats, DynamicFilterService dynamicFilterService, Set<DynamicFilterId> outboundDynamicFilterIds, Optional<io.airlift.units.DataSize> estimatedMemory)

Uses of TaskId in io.trino.server.ui

Methods in io.trino.server.ui with parameters of type TaskId

Modifier and Type	Method	Description
jakarta.ws.rs.core.Response	WorkerResource.getThreads(TaskId task, String nodeId, jakarta.servlet.http.HttpServletRequest servletRequest, jakarta.ws.rs.core.HttpHeaders httpHeaders)

Uses of TaskId in io.trino.split

Methods in io.trino.split with parameters of type TaskId

Modifier and Type	Method	Description
static PageSinkId	PageSinkId.fromTaskId(TaskId taskId)