| 程序包 | 说明 |
|---|---|
| io.ray.streaming.api.stream | |
| io.ray.streaming.operator.impl |
| 限定符和类型 | 方法和说明 |
|---|---|
<K> KeyDataStream<K,T> |
DataStream.keyBy(KeyFunction<T,K> keyFunction)
Apply a key-by function to this stream.
|
<K> io.ray.streaming.api.stream.JoinStream.Where<K> |
JoinStream.where(KeyFunction<L,K> keyFunction)
Apply key-by to the left join stream.
|
| 构造器和说明 |
|---|
KeyByOperator(KeyFunction<T,K> keyFunction) |
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