org.apache.flink.python.util

类 PythonConnectorUtils

java.lang.Object

org.apache.flink.python.util.PythonConnectorUtils

public class PythonConnectorUtils
extends Object

Utility class for using DataStream connectors in Python.

嵌套类概要

嵌套类

限定符和类型	类和说明
static class	PythonConnectorUtils.FirstColumnTopicSelectorInvocationHandler The serializable InvocationHandler as the proxy for first column selector.
static class	PythonConnectorUtils.RowRowMapper A ProcessFunction that convert Row to RowData.
static class	PythonConnectorUtils.SecondColumnSerializationSchema<T> A SerializationSchema for Row that only serialize the second column using a wrapped SerializationSchema for T.

构造器概要

构造器

构造器和说明
PythonConnectorUtils()

方法概要

限定符和类型	方法和说明
static <T> T	createFirstColumnTopicSelector(Class<T> clazz) Creates a selector that returns the first column of a row, and cast it to clazz.

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

构造器详细资料

PythonConnectorUtils

public PythonConnectorUtils()

方法详细资料

createFirstColumnTopicSelector

public static <T> T createFirstColumnTopicSelector(Class<T> clazz)

Creates a selector that returns the first column of a row, and cast it to clazz. T should be a sub interface of Function, which accepts a Row.

类型参数:

T - An interface

参数:

clazz - The desired selector class to cast to, e.g. TopicSelector.class for Kafka.