程序包的使用
org.apache.flink.streaming.runtime.io.checkpointing

使用org.apache.flink.streaming.runtime.io.checkpointing的程序包

程序包	说明
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.tasks	This package contains classes that realize streaming tasks.

org.apache.flink.streaming.runtime.io使用的org.apache.flink.streaming.runtime.io.checkpointing中的类

类和说明
CheckpointedInputGate The CheckpointedInputGate uses CheckpointBarrierHandler to handle incoming CheckpointBarrier from the InputGate.

org.apache.flink.streaming.runtime.io.checkpointing使用的org.apache.flink.streaming.runtime.io.checkpointing中的类

类和说明
BarrierAlignmentUtil.Cancellable A handle to a delayed action which can be cancelled.
BarrierAlignmentUtil.DelayableTimer It can register a task to be executed some time later.
CheckpointBarrierHandler The CheckpointBarrierHandler reacts to checkpoint barrier arriving from the input channels.
CheckpointedInputGate The CheckpointedInputGate uses CheckpointBarrierHandler to handle incoming CheckpointBarrier from the InputGate.
SingleCheckpointBarrierHandler SingleCheckpointBarrierHandler is used for triggering checkpoint while reading the first barrier and keeping track of the number of received barriers and consumed barriers.
UpstreamRecoveryTracker Tracks status of upstream channels while they recover.

org.apache.flink.streaming.runtime.io.recovery使用的org.apache.flink.streaming.runtime.io.checkpointing中的类

类和说明
CheckpointedInputGate The CheckpointedInputGate uses CheckpointBarrierHandler to handle incoming CheckpointBarrier from the InputGate.

org.apache.flink.streaming.runtime.tasks使用的org.apache.flink.streaming.runtime.io.checkpointing中的类

类和说明
CheckpointBarrierHandler The CheckpointBarrierHandler reacts to checkpoint barrier arriving from the input channels.