Uses of Package
org.apache.flink.streaming.runtime.tasks

Packages that use org.apache.flink.streaming.runtime.tasks

Package	Description
org.apache.flink.streaming.api.connector.sink2
org.apache.flink.streaming.api.functions.sink.filesystem
org.apache.flink.streaming.api.functions.source
org.apache.flink.streaming.api.operators
org.apache.flink.streaming.api.operators.async
org.apache.flink.streaming.api.operators.collect
org.apache.flink.streaming.api.operators.sorted.state
org.apache.flink.streaming.api.operators.sortpartition
org.apache.flink.streaming.api.operators.source
org.apache.flink.streaming.runtime.io
org.apache.flink.streaming.runtime.io.checkpointing
org.apache.flink.streaming.runtime.io.recovery
org.apache.flink.streaming.runtime.operators.asyncprocessing
org.apache.flink.streaming.runtime.operators.sink
org.apache.flink.streaming.runtime.tasks	This package contains classes that realize streaming tasks.
org.apache.flink.streaming.runtime.tasks.mailbox

Classes in org.apache.flink.streaming.runtime.tasks used by org.apache.flink.streaming.api.connector.sink2

Class and Description
StreamTask Base class for all streaming tasks.

Classes in org.apache.flink.streaming.runtime.tasks used by org.apache.flink.streaming.api.functions.sink.filesystem

Class and Description
ProcessingTimeService Defines the current processing time and handles all related actions, such as register timers for tasks to be executed in the future.

Classes in org.apache.flink.streaming.runtime.tasks used by org.apache.flink.streaming.api.functions.source

Class and Description
ProcessingTimeServiceAware Interface for StreamOperatorFactory, which enables stream operators to access ProcessingTimeService.

Classes in org.apache.flink.streaming.runtime.tasks used by org.apache.flink.streaming.api.operators

Class and Description
OperatorChain The OperatorChain contains all operators that are executed as one chain within a single StreamTask.
ProcessingTimeService Defines the current processing time and handles all related actions, such as register timers for tasks to be executed in the future.
ProcessingTimeServiceAware Interface for StreamOperatorFactory, which enables stream operators to access ProcessingTimeService.
StreamTask Base class for all streaming tasks.
StreamTask.CanEmitBatchOfRecordsChecker Check whether records can be emitted in batch.
StreamTaskCancellationContext Context on the StreamTask for figuring out whether it has been cancelled.
WatermarkGaugeExposingOutput An Output that measures the last emitted watermark with a WatermarkGauge.

Classes in org.apache.flink.streaming.runtime.tasks used by org.apache.flink.streaming.api.operators.async

Class and Description
ProcessingTimeService Defines the current processing time and handles all related actions, such as register timers for tasks to be executed in the future.
ProcessingTimeServiceAware Interface for StreamOperatorFactory, which enables stream operators to access ProcessingTimeService.
StreamTask Base class for all streaming tasks.

Classes in org.apache.flink.streaming.runtime.tasks used by org.apache.flink.streaming.api.operators.collect

Class and Description
ProcessingTimeServiceAware Interface for StreamOperatorFactory, which enables stream operators to access ProcessingTimeService.

Classes in org.apache.flink.streaming.runtime.tasks used by org.apache.flink.streaming.api.operators.sorted.state

Class and Description
ProcessingTimeService Defines the current processing time and handles all related actions, such as register timers for tasks to be executed in the future.
StreamTaskCancellationContext Context on the StreamTask for figuring out whether it has been cancelled.

Classes in org.apache.flink.streaming.runtime.tasks used by org.apache.flink.streaming.api.operators.sortpartition

Class and Description
StreamTask Base class for all streaming tasks.

Classes in org.apache.flink.streaming.runtime.tasks used by org.apache.flink.streaming.api.operators.source

Class and Description
ProcessingTimeService Defines the current processing time and handles all related actions, such as register timers for tasks to be executed in the future.

Classes in org.apache.flink.streaming.runtime.tasks used by org.apache.flink.streaming.runtime.io

Class and Description
OperatorChain The OperatorChain contains all operators that are executed as one chain within a single StreamTask.
OutputWithChainingCheck This is a wrapper for outputs to check whether the collected record has been emitted to a downstream subtask or to a chained operator.
StreamTask.CanEmitBatchOfRecordsChecker Check whether records can be emitted in batch.
WatermarkGaugeExposingOutput An Output that measures the last emitted watermark with a WatermarkGauge.

Classes in org.apache.flink.streaming.runtime.tasks used by org.apache.flink.streaming.runtime.io.checkpointing

Class and Description
SubtaskCheckpointCoordinator Coordinates checkpointing-related work for a subtask (i.e.
TimerService A common timer service interface with life cycle methods.

Classes in org.apache.flink.streaming.runtime.tasks used by org.apache.flink.streaming.runtime.io.recovery

Class and Description
StreamTask.CanEmitBatchOfRecordsChecker Check whether records can be emitted in batch.

Classes in org.apache.flink.streaming.runtime.tasks used by org.apache.flink.streaming.runtime.operators.asyncprocessing

Class and Description
StreamTask Base class for all streaming tasks.

Classes in org.apache.flink.streaming.runtime.tasks used by org.apache.flink.streaming.runtime.operators.sink

Class and Description
ProcessingTimeServiceAware Interface for StreamOperatorFactory, which enables stream operators to access ProcessingTimeService.

Classes in org.apache.flink.streaming.runtime.tasks used by org.apache.flink.streaming.runtime.tasks

Class and Description
AbstractTwoInputStreamTask Abstract class for executing a TwoInputStreamOperator.
ContainingTaskDetails Details about the operator containing task (such as StreamTask).
FinishedOnRestoreInput A fake Input for finished on restore tasks.
OneInputStreamTask A StreamTask for executing a OneInputStreamOperator.
OperatorChain The OperatorChain contains all operators that are executed as one chain within a single StreamTask.
OperatorChain.ChainedSource Wrapper class to access the chained sources and their's outputs.
OperatorEventDispatcherImpl An implementation of the OperatorEventDispatcher.
ProcessingTimeService Defines the current processing time and handles all related actions, such as register timers for tasks to be executed in the future.
ProcessingTimeServiceFactory A factory for creating processing time services with a given MailboxExecutor.
StreamOperatorWrapper This class handles the finish, endInput and other related logic of a StreamOperator.
StreamTask Base class for all streaming tasks.
StreamTask.CanEmitBatchOfRecordsChecker Check whether records can be emitted in batch.
StreamTaskActionExecutor Executes Runnable, ThrowingRunnable, or Callable.
StreamTaskActionExecutor.SynchronizedStreamTaskActionExecutor Deprecated. this class should only be used in SourceStreamTask which exposes the checkpoint lock as part of Public API.
StreamTaskCancellationContext Context on the StreamTask for figuring out whether it has been cancelled.
TimerService A common timer service interface with life cycle methods.
WatermarkGaugeExposingOutput An Output that measures the last emitted watermark with a WatermarkGauge.

Classes in org.apache.flink.streaming.runtime.tasks used by org.apache.flink.streaming.runtime.tasks.mailbox

Class and Description
StreamTaskActionExecutor Executes Runnable, ThrowingRunnable, or Callable.
TimerService A common timer service interface with life cycle methods.