类的使用
io.ray.streaming.python.stream.PythonDataStream

使用PythonDataStream的程序包

程序包	说明
io.ray.streaming.api.stream
io.ray.streaming.python.stream

io.ray.streaming.api.stream中PythonDataStream的使用

返回PythonDataStream的io.ray.streaming.api.stream中的方法

限定符和类型	方法和说明
PythonDataStream	DataStream.asPythonStream() Convert this stream as a python stream.

参数类型为PythonDataStream的io.ray.streaming.api.stream中的构造器

构造器和说明
DataStream(PythonDataStream referencedStream) Create a java stream that reference passed python stream.
KeyDataStream(PythonDataStream referencedStream) Create a java stream that reference passed python stream.

io.ray.streaming.python.stream中PythonDataStream的使用

io.ray.streaming.python.stream中PythonDataStream的子类

限定符和类型	类和说明
class	PythonKeyDataStream Represents a python DataStream returned by a key-by operation.
class	PythonStreamSource Represents a source of the PythonStream.
class	PythonUnionStream Represents a union DataStream.

返回PythonDataStream的io.ray.streaming.python.stream中的方法

限定符和类型	方法和说明
PythonDataStream	PythonDataStream.broadcast() Apply broadcast to this stream.
PythonDataStream	PythonDataStream.filter(PythonFunction func) Apply a filter function to this stream.
PythonDataStream	PythonDataStream.filter(String moduleName, String funcName)
PythonDataStream	PythonDataStream.flatMap(PythonFunction func) Apply a flat-map function to this stream.
PythonDataStream	PythonDataStream.flatMap(String moduleName, String funcName)
PythonDataStream	PythonDataStream.map(PythonFunction func) Apply a map function to this stream.
PythonDataStream	PythonDataStream.map(String moduleName, String funcName)
PythonDataStream	PythonDataStream.partitionBy(PythonPartition partition) Apply a partition to this stream.
PythonDataStream	PythonKeyDataStream.reduce(PythonFunction func) Apply a reduce function to this stream.
PythonDataStream	PythonKeyDataStream.reduce(String moduleName, String funcName)
PythonDataStream	PythonDataStream.union(List<PythonDataStream> streams) Apply union transformations to this stream by merging PythonDataStream outputs of the same type with each other.
PythonDataStream	PythonDataStream.union(PythonDataStream stream, PythonDataStream... others) Apply union transformations to this stream by merging PythonDataStream outputs of the same type with each other.

返回变量类型为PythonDataStream的类型的io.ray.streaming.python.stream中的方法

限定符和类型	方法和说明
List<PythonDataStream>	PythonUnionStream.getUnionStreams()

参数类型为PythonDataStream的io.ray.streaming.python.stream中的方法

限定符和类型	方法和说明
PythonDataStream	PythonDataStream.union(PythonDataStream stream, PythonDataStream... others) Apply union transformations to this stream by merging PythonDataStream outputs of the same type with each other.
PythonDataStream	PythonDataStream.union(PythonDataStream stream, PythonDataStream... others) Apply union transformations to this stream by merging PythonDataStream outputs of the same type with each other.

类型变量类型为PythonDataStream的io.ray.streaming.python.stream中的方法参数

限定符和类型	方法和说明
PythonDataStream	PythonDataStream.union(List<PythonDataStream> streams) Apply union transformations to this stream by merging PythonDataStream outputs of the same type with each other.

参数类型为PythonDataStream的io.ray.streaming.python.stream中的构造器

构造器和说明
PythonDataStream(PythonDataStream input, PythonOperator pythonOperator)
PythonDataStream(PythonDataStream input, PythonOperator pythonOperator, Partition<Object> partition)
PythonKeyDataStream(PythonDataStream input, PythonOperator pythonOperator)
PythonStreamSink(PythonDataStream input, PythonOperator sinkOperator)
PythonUnionStream(PythonDataStream input, List<PythonDataStream> others)

类型变量类型为PythonDataStream的io.ray.streaming.python.stream中的构造器参数

构造器和说明
PythonUnionStream(PythonDataStream input, List<PythonDataStream> others)