程序包的使用
org.apache.flink.datastream.api.function

使用org.apache.flink.datastream.api.function的程序包

程序包	说明
org.apache.flink.datastream.api.context
org.apache.flink.datastream.api.function
org.apache.flink.datastream.api.stream

org.apache.flink.datastream.api.context使用的org.apache.flink.datastream.api.function中的类

类和说明
ApplyPartitionFunction A function to be applied to all partitions .
TwoOutputApplyPartitionFunction A function to be applied to all partitions with two outputs.

org.apache.flink.datastream.api.function使用的org.apache.flink.datastream.api.function中的类

类和说明
ProcessFunction Base class for all user defined process functions.

org.apache.flink.datastream.api.stream使用的org.apache.flink.datastream.api.function中的类

类和说明
OneInputStreamProcessFunction This contains all logical related to process records from single input.
TwoInputBroadcastStreamProcessFunction This contains all logical related to process records from a broadcast stream and a non-broadcast stream.
TwoInputNonBroadcastStreamProcessFunction This contains all logical related to process records from two non-broadcast input.
TwoOutputStreamProcessFunction This contains all logical related to process and emit records to two output streams.