Examples of org.apache.jetspeed.services.statemanager.StateManagerService

Package org.apache.jetspeed.services.statemanager

Examples of org.apache.jetspeed.services.statemanager.StateManagerService

org.apache.jetspeed.services.statemanager.StateManagerService

The StateManagerService is a service that manages SessionState information. Each SessionState is identified by a unique key in this service. The SessionState is composed of name - value sets of attributes, stored under the key by the service.

See the proposal: jakarta-jetspeed/proposals/StateManager.txt for more details.

Attribute values placed into SessionStates may be automatically removed, for example when a SessionState expires in some way, or by means of some other automatic service. These value objects can be notified of their placement into and out of the SessionState. Objects that wish to receive this notification implement the SessionStateBindingListener interface. This is based on and similar to the HttpSessionBindingListener mechanism.

To support the "current" routines; the ability to get a session state based on the current http session, this service must be installed properly into the procssing of each http request. At the start of the request, the HttpSession of the request must be passed into the setCurrentContext() method. At the end of the request, clearCurrentContext() is called. For Jetspeed, this is done in the JetspeedRunDataService, which is always going to be called by Turbine in this way.
@version $Revision: 1.5 $ @see org.apache.jetspeed.services.statemanager.SessionState @see org.apache.jetspeed.services.statemanager.SessionStateBindingListener @author Glenn R. Golden

     * @return the current request's UserSession state object (may be null).
     */
    public SessionState getUserSessionState()
    {
        // get the StateManagerService
        StateManagerService service = (StateManagerService)TurbineServices
                .getInstance().getService(StateManagerService.SERVICE_NAME);


        // handle no service
        if (service == null) return null;


        return service.getSessionState(getSession().getId());


    }   // getUserSessionState

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     * @return the current request's PageSession state object (may be null).
     */
    public SessionState getPageSessionState()
    {
        // get the StateManagerService
        StateManagerService service = (StateManagerService)TurbineServices
                .getInstance().getService(StateManagerService.SERVICE_NAME);


        // handle no service
        if (service == null) return null;


        return service.getSessionState(getPageSessionId());


    }   // getPageSessionState

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     * @return the current request's PortletSession state object. (may be null).
     */
    public SessionState getPortletSessionState(String id)
    {
        // get the StateManagerService
        StateManagerService service = (StateManagerService)TurbineServices
                .getInstance().getService(StateManagerService.SERVICE_NAME);


        // handle no service
        if (service == null) return null;


        // PageSession key
        String pageInstanceId = getPageSessionId();


        return service.getSessionState(pageInstanceId + id);


    }   // getPortletSessionState

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        // store the rundata associated with this thread
        m_runDataStore.put(Thread.currentThread(), r);


        // associate this http session with this thread in the state manager
        StateManagerService stateManager = (StateManagerService)TurbineServices
                .getInstance().getService(StateManagerService.SERVICE_NAME);
        if (stateManager != null)
        {
            stateManager.setCurrentContext(req.getSession(true));
        }


        if (logger.isDebugEnabled())
            logger.debug("JetspeedRunDataService: storing rundata " + r
                        + " for thread: " + Thread.currentThread());

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    * @return true, if pooling is supported and the object was accepted.
    */
    public boolean putRunData(RunData data)
    {
        // un-associate this http session with this thread in the state manager
        StateManagerService stateManager = (StateManagerService)TurbineServices
                .getInstance().getService(StateManagerService.SERVICE_NAME);
        if (stateManager != null)
        {
            stateManager.clearCurrentContext();
        }


        // remove this thread's rundata
        m_runDataStore.remove(Thread.currentThread());

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     * @return the current request's UserSession state object (may be null).
     */
    public SessionState getUserSessionState()
    {
        // get the StateManagerService
        StateManagerService service = (StateManagerService)TurbineServices
                .getInstance().getService(StateManagerService.SERVICE_NAME);


        // handle no service
        if (service == null) return null;


        return service.getSessionState(getSession().getId());


    }   // getUserSessionState

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     * @return the current request's PageSession state object (may be null).
     */
    public SessionState getPageSessionState()
    {
        // get the StateManagerService
        StateManagerService service = (StateManagerService)TurbineServices
                .getInstance().getService(StateManagerService.SERVICE_NAME);


        // handle no service
        if (service == null) return null;


        return service.getSessionState(getPageSessionId());


    }   // getPageSessionState

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     * @return the current request's PortletSession state object. (may be null).
     */
    public SessionState getPortletSessionState(String id)
    {
        // get the StateManagerService
        StateManagerService service = (StateManagerService)TurbineServices
                .getInstance().getService(StateManagerService.SERVICE_NAME);


        // handle no service
        if (service == null) return null;


        // PageSession key
        String pageInstanceId = getPageSessionId();


        return service.getSessionState(pageInstanceId + id);


    }   // getPortletSessionState

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        // store the rundata associated with this thread
        m_runDataStore.put(Thread.currentThread(), r);


        // associate this http session with this thread in the state manager
        StateManagerService stateManager = (StateManagerService)TurbineServices
                .getInstance().getService(StateManagerService.SERVICE_NAME);
        if (stateManager != null)
        {
            stateManager.setCurrentContext(req.getSession(true));
        }


        if (logger.isDebugEnabled())
            logger.debug("JetspeedRunDataService: storing rundata " + r
                        + " for thread: " + Thread.currentThread());

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    * @return true, if pooling is supported and the object was accepted.
    */
    public boolean putRunData(RunData data)
    {
        // un-associate this http session with this thread in the state manager
        StateManagerService stateManager = (StateManagerService)TurbineServices
                .getInstance().getService(StateManagerService.SERVICE_NAME);
        if (stateManager != null)
        {
            stateManager.clearCurrentContext();
        }


        // remove this thread's rundata
        m_runDataStore.remove(Thread.currentThread());

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org.apache.jetspeed.services.rundata.DefaultJetspeedRunData

org.apache.jetspeed.services.rundata.JetspeedRunDataService

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