接口的使用
org.apache.flink.runtime.jobgraph.tasks.CheckpointableTask

使用CheckpointableTask的程序包

程序包	说明
org.apache.flink.runtime.iterative.task
org.apache.flink.runtime.jobgraph.tasks
org.apache.flink.runtime.operators

org.apache.flink.runtime.iterative.task中CheckpointableTask的使用

实现CheckpointableTask的org.apache.flink.runtime.iterative.task中的类

限定符和类型	类和说明
class	AbstractIterativeTask<S extends org.apache.flink.api.common.functions.Function,OT> The abstract base class for all tasks able to participate in an iteration.
class	IterationHeadTask<X,Y,S extends org.apache.flink.api.common.functions.Function,OT> The head is responsible for coordinating an iteration and can run a Driver inside.
class	IterationIntermediateTask<S extends org.apache.flink.api.common.functions.Function,OT> An intermediate iteration task, which runs a Driver inside.
class	IterationSynchronizationSinkTask The task responsible for synchronizing all iteration heads, implemented as an output task.
class	IterationTailTask<S extends org.apache.flink.api.common.functions.Function,OT> An iteration tail, which runs a driver inside.

org.apache.flink.runtime.jobgraph.tasks中CheckpointableTask的使用

实现CheckpointableTask的org.apache.flink.runtime.jobgraph.tasks中的类

限定符和类型	类和说明
class	AbstractInvokable A base implementation of TaskInvokable, CheckpointableTask, and CoordinatedTask with most methods throwing UnsupportedOperationException or doing nothing.

org.apache.flink.runtime.operators中CheckpointableTask的使用

实现CheckpointableTask的org.apache.flink.runtime.operators中的类

限定符和类型	类和说明
class	BatchTask<S extends org.apache.flink.api.common.functions.Function,OT> The base class for all batch tasks.
class	DataSinkTask<IT> DataSinkTask which is executed by a task manager.
class	DataSourceTask<OT> DataSourceTask which is executed by a task manager.