io.ray.streaming.api.stream

类 JoinStream<L,R,O>

java.lang.Object

io.ray.streaming.api.stream.Stream<DataStream<T>,T>

io.ray.streaming.api.stream.DataStream<L>

io.ray.streaming.api.stream.JoinStream<L,R,O>

类型参数:

L - Type of the data in the left stream.

R - Type of the data in the right stream.

O - Type of the data in the joined stream.

所有已实现的接口:

Serializable

public class JoinStream<L,R,O>
extends DataStream<L>

Represents a DataStream of two joined DataStream.

另请参阅:

序列化表格

构造器概要

构造器

构造器和说明
JoinStream(DataStream<L> leftStream, DataStream<R> rightStream)

方法概要

限定符和类型	方法和说明
DataStream<R>	getRightStream()
<K> io.ray.streaming.api.stream.JoinStream.Where<K>	where(KeyFunction<L,K> keyFunction) Apply key-by to the left join stream.

从类继承的方法 io.ray.streaming.api.stream.DataStream

asPythonStream, broadcast, filter, flatMap, getLanguage, join, keyBy, map, partitionBy, process, sink, union, union

从类继承的方法 io.ray.streaming.api.stream.Stream

disableChain, forward, getConfig, getId, getInputStream, getOperator, getOriginalStream, getParallelism, getPartition, getStreamingContext, isProxyStream, setParallelism, setPartition, withChainStrategy, withConfig, withConfig

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

JoinStream

public JoinStream(DataStream<L> leftStream,
                  DataStream<R> rightStream)

方法详细资料

getRightStream

public DataStream<R> getRightStream()

where

public <K> io.ray.streaming.api.stream.JoinStream.Where<K> where(KeyFunction<L,K> keyFunction)

Apply key-by to the left join stream.