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.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.source
org.apache.flink.streaming.runtime.io
org.apache.flink.streaming.runtime.io.checkpointing
org.apache.flink.streaming.runtime.operators	This package contains the operators that perform the stream transformations.
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.functions.sink.filesystem

Class and Description
ProcessingTimeCallback Interface for processing-time callbacks that can be registered at a ProcessingTimeService.
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.

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.

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.
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.operators

Class and Description
ProcessingTimeCallback Interface for processing-time callbacks that can be registered at a ProcessingTimeService.

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.
AsyncExceptionHandler An interface marking a task as capable of handling exceptions thrown by different threads, other than the one executing the task itself.
AsynchronousException An exception for wrapping exceptions that are thrown by an operator in threads other than the main compute thread of that operator.
OneInputStreamTask A StreamTask for executing a OneInputStreamOperator.
OperatorChain The OperatorChain contains all operators that are executed as one chain within a single StreamTask.
ProcessingTimeCallback Interface for processing-time callbacks that can be registered at a ProcessingTimeService.
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 close, endInput and other related logic of a StreamOperator.
StreamTask Base class for all streaming tasks.
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.
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.