接口的使用
org.apache.flink.streaming.api.functions.source.datagen.DataGenerator

使用DataGenerator的程序包

程序包	说明
org.apache.flink.streaming.api.functions.source.datagen

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

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

限定符和类型	类和说明
class	RandomGenerator<T> Random generator.
class	SequenceGenerator<T> A stateful, re-scalable DataGenerator that emits each number from a given interval exactly once, possibly in parallel.

参数类型为DataGenerator的org.apache.flink.streaming.api.functions.source.datagen中的方法

限定符和类型	方法和说明
static <T> RandomGenerator<T[]>	RandomGenerator.arrayGenerator(DataGenerator<T> generator, int len)
static <K,V> RandomGenerator<Map<K,V>>	RandomGenerator.mapGenerator(DataGenerator<K> key, DataGenerator<V> value, int size)
static <K,V> RandomGenerator<Map<K,V>>	RandomGenerator.mapGenerator(DataGenerator<K> key, DataGenerator<V> value, int size)

参数类型为DataGenerator的org.apache.flink.streaming.api.functions.source.datagen中的构造器

构造器和说明
DataGeneratorSource(DataGenerator<T> generator) Creates a source that emits records by DataGenerator without controlling emit rate.
DataGeneratorSource(DataGenerator<T> generator, long rowsPerSecond, Long numberOfRows) Creates a source that emits records by DataGenerator.