py4j

Class ClientServerConnection

java.lang.Object

py4j.ClientServerConnection

All Implemented Interfaces:

Runnable, Py4JClientConnection, Py4JServerConnection

public class ClientServerConnection
extends Object
implements Py4JServerConnection, Py4JClientConnection, Runnable

Field Summary

Fields

Modifier and Type	Field and Description
protected int	blockingReadTimeout
protected Map<String,Command>	commands
protected Py4JJavaServer	javaServer
protected Logger	logger
protected int	nonBlockingReadTimeout
protected Py4JPythonClientPerThread	pythonClient
protected BufferedReader	reader
protected Socket	socket
protected BufferedWriter	writer

Constructor Summary

Constructors

Constructor and Description
ClientServerConnection(Gateway gateway, Socket socket, List<Class<? extends Command>> customCommands, Py4JPythonClientPerThread pythonClient, Py4JJavaServer javaServer, int readTimeout)

Method Summary

Modifier and Type	Method and Description
protected void	fireConnectionStopped()
Socket	getSocket()
protected void	initCommands(Gateway gateway, List<Class<? extends Command>> commandsClazz) Override this method to initialize custom commands.
boolean	isInitiatedFromClient()
protected void	quietSendFatalError(BufferedWriter writer, Throwable exception)
protected String	readBlockingResponse(BufferedReader reader)
protected String	readNonBlockingResponse(Socket socket, BufferedReader reader)
void	run()
String	sendCommand(String command)
String	sendCommand(String command, boolean blocking)
void	setInitiatedFromClient(boolean initiatedFromClient)
void	setUsed(boolean used)
void	shutdown()
void	shutdown(boolean reset)
void	start()
void	startServerConnection()
void	waitForCommands()
boolean	wasUsed()

Methods inherited from class java.lang.Object

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

Field Detail

socket

protected Socket socket

writer

protected BufferedWriter writer

reader

protected BufferedReader reader

commands

protected final Map<String,Command> commands

logger

protected final Logger logger

javaServer

protected final Py4JJavaServer javaServer

pythonClient

protected final Py4JPythonClientPerThread pythonClient

blockingReadTimeout

protected final int blockingReadTimeout

nonBlockingReadTimeout

protected final int nonBlockingReadTimeout

Constructor Detail

ClientServerConnection

public ClientServerConnection(Gateway gateway,
                              Socket socket,
                              List<Class<? extends Command>> customCommands,
                              Py4JPythonClientPerThread pythonClient,
                              Py4JJavaServer javaServer,
                              int readTimeout)
                       throws IOException

Throws:

IOException

Method Detail

startServerConnection

public void startServerConnection()

run

public void run()

Specified by:

run in interface Runnable

initCommands

protected void initCommands(Gateway gateway,
                            List<Class<? extends Command>> commandsClazz)

Override this method to initialize custom commands.

Parameters:

gateway -

commandsClazz -

fireConnectionStopped

protected void fireConnectionStopped()

quietSendFatalError

protected void quietSendFatalError(BufferedWriter writer,
                                   Throwable exception)

getSocket

public Socket getSocket()

Specified by:

getSocket in interface Py4JServerConnection

Returns:

The socket used by this gateway connection.

waitForCommands

public void waitForCommands()

sendCommand

public String sendCommand(String command)

Specified by:

sendCommand in interface Py4JClientConnection

sendCommand

public String sendCommand(String command,
                          boolean blocking)

Specified by:

sendCommand in interface Py4JClientConnection

shutdown

public void shutdown()

Specified by:

shutdown in interface Py4JClientConnection

Specified by:

shutdown in interface Py4JServerConnection

shutdown

public void shutdown(boolean reset)

Specified by:

shutdown in interface Py4JClientConnection

Specified by:

shutdown in interface Py4JServerConnection

start

public void start()
           throws IOException

Specified by:

start in interface Py4JClientConnection

Throws:

IOException

setUsed

public void setUsed(boolean used)

Specified by:

setUsed in interface Py4JClientConnection

wasUsed

public boolean wasUsed()

Specified by:

wasUsed in interface Py4JClientConnection

isInitiatedFromClient

public boolean isInitiatedFromClient()

setInitiatedFromClient

public void setInitiatedFromClient(boolean initiatedFromClient)

readBlockingResponse

protected String readBlockingResponse(BufferedReader reader)
                               throws IOException

Throws:

IOException

readNonBlockingResponse

protected String readNonBlockingResponse(Socket socket,
                                         BufferedReader reader)
                                  throws IOException

Throws:

IOException