接口的使用
org.apache.flink.streaming.api.checkpoint.CheckpointedFunction

使用CheckpointedFunction的程序包

程序包	说明
org.apache.flink.streaming.api.functions.sink
org.apache.flink.streaming.api.functions.sink.filesystem
org.apache.flink.streaming.api.functions.source
org.apache.flink.streaming.api.functions.source.datagen
org.apache.flink.streaming.api.operators.collect

org.apache.flink.streaming.api.functions.sink中CheckpointedFunction的使用

实现CheckpointedFunction的org.apache.flink.streaming.api.functions.sink中的类

限定符和类型	类和说明
class	TwoPhaseCommitSinkFunction<IN,TXN,CONTEXT> This is a recommended base class for all of the SinkFunction that intend to implement exactly-once semantic.

org.apache.flink.streaming.api.functions.sink.filesystem中CheckpointedFunction的使用

实现CheckpointedFunction的org.apache.flink.streaming.api.functions.sink.filesystem中的类

限定符和类型	类和说明
class	StreamingFileSink<IN> 已过时。 Use org.apache.flink.connector.file.sink.FileSink instead.

org.apache.flink.streaming.api.functions.source中CheckpointedFunction的使用

实现CheckpointedFunction的org.apache.flink.streaming.api.functions.source中的类

限定符和类型	类和说明
class	ContinuousFileMonitoringFunction<OUT> This is the single (non-parallel) monitoring task which takes a FileInputFormat and, depending on the FileProcessingMode and the FilePathFilter, it is responsible for: Monitoring a user-provided path.
class	FromElementsFunction<T> A stream source function that returns a sequence of elements.
class	MessageAcknowledgingSourceBase<Type,UId> Abstract base class for data sources that receive elements from a message queue and acknowledge them back by IDs.
class	MultipleIdsMessageAcknowledgingSourceBase<Type,UId,SessionId> Abstract base class for data sources that receive elements from a message queue and acknowledge them back by IDs.
class	StatefulSequenceSource A stateful streaming source that emits each number from a given interval exactly once, possibly in parallel.

org.apache.flink.streaming.api.functions.source.datagen中CheckpointedFunction的使用

实现CheckpointedFunction的org.apache.flink.streaming.api.functions.source.datagen中的类

限定符和类型	类和说明
class	DataGeneratorSource<T> A data generator source that abstract data generator.

org.apache.flink.streaming.api.operators.collect中CheckpointedFunction的使用

实现CheckpointedFunction的org.apache.flink.streaming.api.operators.collect中的类

限定符和类型	类和说明
class	CollectSinkFunction<IN> A sink function that collects query results and sends them back to the client.