Package org.apache.flink.streaming.runtime.tasks.mailbox

Interface Summary

Interface	Description
MailboxDefaultAction	Interface for the default action that is repeatedly invoked in the mailbox-loop.
MailboxDefaultAction.Controller	This controller is a feedback interface for the default action to interact with the mailbox execution.
MailboxDefaultAction.Suspension	Represents the suspended state of a MailboxDefaultAction, ready to resume.
MailboxExecutorFactory	A factory for creating mailbox executors with a given priority.
PeriodTimer	Interface for the measurement of the period of time.
TaskMailbox	A task mailbox provides read and write access to a mailbox and has a lifecycle of open -> (quiesced) -> closed.

Class Summary

Class	Description
GaugePeriodTimer	Implementation of PeriodTimer based on TimerGauge.
Mail	An executable bound to a specific operator in the chain, such that it can be picked for downstream mailbox.
MailboxExecutorImpl	Implementation of an executor service build around a mailbox-based execution model.
MailboxMetricsController	Mailbox metrics controller class.
MailboxProcessor	This class encapsulates the logic of the mailbox-based execution model.
MailboxProcessor.MailboxController	Implementation of MailboxDefaultAction.Controller that is connected to a MailboxProcessor instance.
TaskMailboxImpl	Implementation of TaskMailbox in a BlockingQueue fashion and tailored towards our use case with multiple writers and single reader.

Enum Summary

Enum	Description
TaskMailbox.State	This enum represents the states of the mailbox lifecycle.

Exception Summary

Exception	Description
TaskMailbox.MailboxClosedException	Exception thrown when TaskMailbox is closed.