java.lang.Object
- org.springframework.web.socket.sockjs.transport.session.AbstractSockJsSession
- - org.springframework.web.socket.sockjs.transport.session.AbstractHttpSockJsSession
  - - org.springframework.web.socket.sockjs.transport.session.PollingSockJsSession

All Implemented Interfaces:
Closeable, AutoCloseable, SockJsSession, WebSocketSession
```
public class PollingSockJsSession
extends AbstractHttpSockJsSession
```
A SockJS session for use with polling HTTP transports.
Since:
4.0
Author:
Rossen Stoyanchev

Field Summary
- Fields inherited from class org.springframework.web.socket.sockjs.transport.session.AbstractSockJsSession
  DISCONNECTED_CLIENT_LOG_CATEGORY, disconnectedClientLogger, logger, responseLock

Constructor Summary
Constructors
Constructor Description
PollingSockJsSession(String sessionId, SockJsServiceConfig config, WebSocketHandler wsHandler, Map<String,Object> attributes)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`protected void`	`flushCache()`	Called when the connection is active and ready to write to the response.
`protected void`	`handleRequestInternal(ServerHttpRequest request, ServerHttpResponse response, boolean initialRequest)`	Invoked when a SockJS transport request is received.
`protected void`	`writeFrame(SockJsFrame frame)`	For internal use within a TransportHandler and the (TransportHandler-specific) session class.

Methods inherited from class org.springframework.web.socket.sockjs.transport.session.AbstractHttpSockJsSession
disconnect, getAcceptedProtocol, getBinaryMessageSizeLimit, getExtensions, getHandshakeHeaders, getLocalAddress, getMessageCache, getPrincipal, getRemoteAddress, getTextMessageSizeLimit, getUri, handleInitialRequest, handleSuccessiveRequest, isActive, resetRequest, sendMessageInternal, setAcceptedProtocol, setBinaryMessageSizeLimit, setTextMessageSizeLimit, writeFrameInternal

Methods inherited from class org.springframework.web.socket.sockjs.transport.session.AbstractSockJsSession
cancelHeartbeat, close, close, delegateConnectionClosed, delegateConnectionEstablished, delegateError, delegateMessages, disableHeartbeat, getAttributes, getId, getMessageCodec, getSockJsServiceConfig, getTimeSinceLastActive, isClosed, isNew, isOpen, scheduleHeartbeat, sendHeartbeat, sendMessage, toString, tryCloseWithSockJsTransportError, updateLastActiveTime

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

- Constructor Detail
  - PollingSockJsSession
```
public PollingSockJsSession(String sessionId,
                            SockJsServiceConfig config,
                            WebSocketHandler wsHandler,
                            Map<String,Object> attributes)
```
- Method Detail
  - handleRequestInternal
```
protected void handleRequestInternal(ServerHttpRequest request,
                                     ServerHttpResponse response,
                                     boolean initialRequest)
                              throws IOException
```
    Description copied from class: AbstractHttpSockJsSession
    Invoked when a SockJS transport request is received.
    Specified by:
    handleRequestInternal in class AbstractHttpSockJsSession
    Parameters:
    request - the current request
    response - the current response
    initialRequest - whether it is the first request for the session
    Throws:
    IOException
  - flushCache
```
protected void flushCache()
                   throws SockJsTransportFailureException
```
    Description copied from class: AbstractHttpSockJsSession
    Called when the connection is active and ready to write to the response. Subclasses should only call this method from a method where the "responseLock" is acquired.
    Specified by:
    flushCache in class AbstractHttpSockJsSession
    Throws:
    SockJsTransportFailureException
  - writeFrame
```
protected void writeFrame(SockJsFrame frame)
                   throws SockJsTransportFailureException
```
    Description copied from class: AbstractSockJsSession
    For internal use within a TransportHandler and the (TransportHandler-specific) session class.
    Overrides:
    writeFrame in class AbstractSockJsSession
    Throws:
    SockJsTransportFailureException

Class PollingSockJsSession

Field Summary

Fields inherited from class org.springframework.web.socket.sockjs.transport.session.AbstractSockJsSession

Constructor Summary

Method Summary

Methods inherited from class org.springframework.web.socket.sockjs.transport.session.AbstractHttpSockJsSession

Methods inherited from class org.springframework.web.socket.sockjs.transport.session.AbstractSockJsSession

Methods inherited from class java.lang.Object

Constructor Detail

PollingSockJsSession

Method Detail

handleRequestInternal

flushCache

writeFrame