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

Interface MailboxDefaultAction

@Internal
public interface MailboxDefaultAction

Interface for the default action that is repeatedly invoked in the mailbox-loop.

Nested Class Summary

Nested Classes

Modifier and Type	Interface	Description
static interface	MailboxDefaultAction.Controller	This controller is a feedback interface for the default action to interact with the mailbox execution.
static interface	MailboxDefaultAction.Suspension	Represents the suspended state of a MailboxDefaultAction, ready to resume.

Method Summary

Modifier and Type	Method	Description
void	runDefaultAction(MailboxDefaultAction.Controller controller)	This method implements the default action of the mailbox loop (e.g. processing one event from the input).

Method Details

runDefaultAction

void runDefaultAction(MailboxDefaultAction.Controller controller)
               throws Exception

This method implements the default action of the mailbox loop (e.g. processing one event from the input). Implementations should (in general) be non-blocking.

Parameters:

controller - controller object for collaborative interaction between the default action and the mailbox loop.

Throws:

Exception - on any problems in the action.