Package org.apache.flink.streaming.api.functions.python
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Class Summary Class Description DataStreamPythonFunction DataStreamPythonFunctionmaintains the serialized python function which will be used in BeamDataStreamPythonFunctionRunner.DataStreamPythonFunctionInfo DataStreamPythonFunctionInfoholds a PythonFunction and its function type.KeyByKeySelector KeyByKeySelectoris responsible for extracting the first field of the input row as key.PartitionCustomKeySelector ThePartitionCustomKeySelectorwill return the first field of the input row value.