Package org.apache.flink.runtime.messages.checkpoint

This package contains the messages that are sent between JobManager and TaskManager to coordinate the checkpoint snapshots of the distributed dataflow.

See: Description

Class Summary

Class	Description
AbstractCheckpointMessage	The base class of all checkpoint messages.
AcknowledgeCheckpoint	This message is sent from the TaskManager to the JobManager to signal that the checkpoint of an individual task is completed.
DeclineCheckpoint	This message is sent from the TaskManager to the JobManager to tell the checkpoint coordinator that a checkpoint request could not be heeded.
NotifyCheckpointComplete	This message is sent from the JobManager to the TaskManager to tell a task that the checkpoint has been confirmed and that the task can commit the checkpoint to the outside world.
TriggerCheckpoint	This message is sent from the JobManager to the TaskManager to tell a certain task to trigger its checkpoint.

Package org.apache.flink.runtime.messages.checkpoint Description

This package contains the messages that are sent between JobManager and TaskManager to coordinate the checkpoint snapshots of the distributed dataflow.