org.apache.flink.python.api.streaming.data

Class PythonSingleInputSender<IN>

java.lang.Object

org.apache.flink.python.api.streaming.data.PythonSender

org.apache.flink.python.api.streaming.data.PythonSingleInputSender<IN>

Type Parameters:

IN - input type

All Implemented Interfaces:

Serializable

public class PythonSingleInputSender<IN>
extends PythonSender

This class is a PythonSender for operations with one input stream.

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.flink.python.api.streaming.data.PythonSender

PythonSender.Serializer<T>

Field Summary

Fields inherited from class org.apache.flink.python.api.streaming.data.PythonSender

TYPE_ARRAY, TYPE_KEY_VALUE, TYPE_VALUE_VALUE

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	PythonSingleInputSender(org.apache.flink.configuration.Configuration config)

Method Summary

Modifier and Type	Method and Description
int	sendBuffer(org.apache.flink.python.api.streaming.data.SingleElementPushBackIterator<IN> input) Extracts records from an iterator and writes them to the memory-mapped file.

Methods inherited from class org.apache.flink.python.api.streaming.data.PythonSender

close, getSerializer, open, sendBuffer

Methods inherited from class java.lang.Object

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

Constructor Detail

PythonSingleInputSender

protected PythonSingleInputSender(org.apache.flink.configuration.Configuration config)

Method Detail

sendBuffer

public int sendBuffer(org.apache.flink.python.api.streaming.data.SingleElementPushBackIterator<IN> input)
               throws IOException

Extracts records from an iterator and writes them to the memory-mapped file. This method assumes that all values in the iterator are of the same type. This method does NOT take care of synchronization. The caller must guarantee that the file may be written to before calling this method.

Parameters:

input - iterator containing records

Returns:

size of the written buffer

Throws:

IOException