AbstractRequestAttributes (Spring Framework API 2.1) - Spring Framework 2.1.0 API 文档英文版

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org.springframework.web.context.request
Class AbstractRequestAttributes

java.lang.Object
  org.springframework.web.context.request.AbstractRequestAttributes

All Implemented Interfaces:: RequestAttributes

Direct Known Subclasses:: PortletRequestAttributes, ServletRequestAttributes

public abstract class AbstractRequestAttributes
extends Object
implements RequestAttributes
extends Object
implements RequestAttributes

Abstract support class for RequestAttributes implementations, offering a request completion mechanism for request-specific destruction callbacks and for updating accessed session attributes.

Since:: 2.0
Author:: Juergen Hoeller
See Also:: requestCompleted()

Field Summary

protected Map requestDestructionCallbacks
          Map from attribute name String to destruction callback Runnable

Fields inherited from interface org.springframework.web.context.request.RequestAttributes

SCOPE_GLOBAL_SESSION, SCOPE_REQUEST, SCOPE_SESSION

Constructor Summary

AbstractRequestAttributes()


Method Summary

protected void registerRequestDestructionCallback(String name, Runnable callback)
          Register the given callback as to be executed after request completion.

protected void removeRequestDestructionCallback(String name)
          Remove the request destruction callback for the specified attribute, if any.

void requestCompleted()
          Signal that the request has been completed.

protected abstract void updateAccessedSessionAttributes()
          Update all session attributes that have been accessed during request processing, to expose their potentially updated state to the underlying session manager.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.springframework.web.context.request.RequestAttributes

getAttribute, getSessionId, getSessionMutex, registerDestructionCallback, removeAttribute, setAttribute

Field Summary
`protected Map`	`requestDestructionCallbacks` Map from attribute name String to destruction callback Runnable

Fields inherited from interface org.springframework.web.context.request.RequestAttributes
`SCOPE_GLOBAL_SESSION, SCOPE_REQUEST, SCOPE_SESSION`

Constructor Summary
`AbstractRequestAttributes()`

Method Summary
`protected void`	`registerRequestDestructionCallback(String name, Runnable callback)` Register the given callback as to be executed after request completion.
`protected void`	`removeRequestDestructionCallback(String name)` Remove the request destruction callback for the specified attribute, if any.
`void`	`requestCompleted()` Signal that the request has been completed.
`protected abstract void`	`updateAccessedSessionAttributes()` Update all session attributes that have been accessed during request processing, to expose their potentially updated state to the underlying session manager.

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

Methods inherited from interface org.springframework.web.context.request.RequestAttributes
`getAttribute, getSessionId, getSessionMutex, registerDestructionCallback, removeAttribute, setAttribute`

Field Detail

requestDestructionCallbacks

protected final Map requestDestructionCallbacks

Map from attribute name String to destruction callback Runnable

Constructor Detail

AbstractRequestAttributes

public AbstractRequestAttributes()

Method Detail

requestCompleted

public void requestCompleted()

Signal that the request has been completed.

Executes all request destruction callbacks and updates the session attributes that have been accessed during request processing.

registerRequestDestructionCallback

protected final void registerRequestDestructionCallback(String name,
                                                        Runnable callback)

Parameters:: name - the name of the attribute to register the callback for; callback - the callback to be executed for destruction

removeRequestDestructionCallback

protected final void removeRequestDestructionCallback(String name)

Remove the request destruction callback for the specified attribute, if any.

Parameters:: name - the name of the attribute to remove the callback for

updateAccessedSessionAttributes

protected abstract void updateAccessedSessionAttributes()

Update all session attributes that have been accessed during request processing, to expose their potentially updated state to the underlying session manager.