Examples of org.apache.catalina.session.StandardSession

org.apache.catalina.session.StandardSession
Standard implementation of the Session interface. This object is serializable, so that it can be stored in persistent storage or transferred to a different JVM for distributable session support.
IMPLEMENTATION NOTE: An instance of this class represents both the internal (Session) and application level (HttpSession) view of the session. However, because the class itself is not declared public, Java logic outside of the org.apache.catalina.session package cannot cast an HttpSession view of this instance back to a Session view.
IMPLEMENTATION NOTE: If you add fields to this class, you must make sure that you carry them over in the read/writeObject methods so that this class is properly serialized. @author Craig R. McClanahan @author Sean Legassick @author Jon S. Stevens @version $Revision: 1.46 $ $Date: 2004/07/15 14:42:38 $

            return ids;
        }
    }


    public Session load(String id) throws ClassNotFoundException, IOException {
        StandardSession _session = null;
        GenericValue sessionValue = null;
        try {
            sessionValue = delegator.findOne(entityName, false, "sessionId", id);
        } catch (GenericEntityException e) {
            throw new IOException(e.getMessage());
        }


        if (sessionValue != null) {
            byte[] bytes = sessionValue.getBytes("sessionInfo");
            if (bytes != null) {
                BufferedInputStream bis = new BufferedInputStream(new ByteArrayInputStream(bytes));


                Container container = manager.getContainer();
                ClassLoader classLoader = null;
                Loader loader = null;


                if (container != null) {
                    loader = container.getLoader();
                }
                if (loader != null) {
                    classLoader = loader.getClassLoader();
                }


                ObjectInputStream ois = null;
                if (classLoader != null) {
                    ois = new CustomObjectInputStream(bis, classLoader);
                } else {
                    ois = new ObjectInputStream(bis);
                }


                //Debug.logInfo("Loading Session Store [" + id + "]", module);
                _session = (StandardSession) manager.createEmptySession();
                _session.readObjectData(ois);
                _session.setManager(manager);
            }
        }


        return _session;
    }

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            return ids;
        }
    }


    public Session load(String id) throws ClassNotFoundException, IOException {
        StandardSession _session = null;
        GenericValue sessionValue = null;
        try {
            sessionValue = delegator.findOne(entityName, false, "sessionId", id);
        } catch (GenericEntityException e) {
            throw new IOException(e.getMessage());
        }


        if (sessionValue != null) {
            byte[] bytes = sessionValue.getBytes("sessionInfo");
            if (bytes != null) {
                BufferedInputStream bis = new BufferedInputStream(new ByteArrayInputStream(bytes));


                Container container = manager.getContainer();
                ClassLoader classLoader = null;
                Loader loader = null;


                if (container != null) {
                    loader = container.getLoader();
                }
                if (loader != null) {
                    classLoader = loader.getClassLoader();
                }


                ObjectInputStream ois = null;
                if (classLoader != null) {
                    ois = new CustomObjectInputStream(bis, classLoader);
                } else {
                    ois = new ObjectInputStream(bis);
                }


                //Debug.logInfo("Loading Session Store [" + id + "]", module);
                _session = (StandardSession) manager.createEmptySession();
                _session.readObjectData(ois);
                _session.setManager(manager);
            }
        }


        return _session;
    }

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        Session sess = this.getSession(request, true);
        if(_logger.isLoggable(Level.FINEST)) {
            _logger.finest("IN LOCK_SESSION: sess =" + sess);
        }
        if(sess != null) {
            StandardSession haSess = (StandardSession) sess;
            haSess.lockForegroundWithRetry();
            if(_logger.isLoggable(Level.FINEST)) {
                _logger.finest("finished locking session: sess =" + haSess);
                _logger.finest("LOCK = " + haSess.getSessionLock());
            }
        }
        return sess;
    }

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        }


        Session sessions[] = findSessions();


        for (int i = 0; i < sessions.length; i++) {
            StandardSession session = (StandardSession) sessions[i];
            if(session.getIsValid()
                    && (session.getIdInternal() != null)
                    && !session.hasExpired() 
                    && isSessionOlderThan(session, repairStartTime)) {
                if(session.lockBackground()) { 
                    try {
                        ((HASession)session).setPersistent(false);
                        ((HASession)session).setDirty(true, false);
                        doValveSave(session);
                    } finally {
                        session.unlockBackground();
                    }
                }                                
      }            
        }
    }

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        Session sessions[] = findSessions();
        if(_logger.isLoggable(Level.FINE)) {
            _logger.fine("ReplicationManagerBase>>repair sessions size = " + sessions.length);
        }         
        for (int i = 0; i < sessions.length; i++) {
            StandardSession session = (StandardSession) sessions[i];
            boolean condition = true;
            if(checkForStopping) {
                condition = (session.getIsValid()
                    && (session.getIdInternal() != null)
                    && !session.hasExpired() 
                    && isSessionOlderThan(session, repairStartTime));
            } else {
                //during flush ignore age check
                condition = (session.getIsValid()
                    && (session.getIdInternal() != null)
                    && !session.hasExpired() );                
            }
            if(condition) {          
                if(session.lockBackground()) { 
                    try {
                        ((HASession)session).setPersistent(false);
                        ((HASession)session).setDirty(true, false);
                        doValveSave(session);
                    } catch(Throwable t) {
                        // FIXME evaluate log level 
                        if (_logger.isLoggable(Level.FINE)) {
                            _logger.log(Level.FINE, "Throwable occurred during force flush", t);
                        }
                        break;
                    } finally {
                        session.unlockBackground();
                    }
                }                                
      }            
        }
    }

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            boolean keepTrying = true;
            boolean lockResult = false;
            if(_logger.isLoggable(Level.FINEST)) {
                _logger.finest("locking session: sess =" + sess);
            }
            StandardSession haSess = (StandardSession) sess;
            //try to lock up to maxNumberOfRetries times
            //poll and wait starting with 200 ms
            while(keepTrying) {
                lockResult = haSess.lockForeground();
                if(lockResult) {
                    keepTrying = false;
                    break;
                }
                tryNumber++;
                if(tryNumber < maxNumberOfRetries) {
                    pollTime = pollTime * 2L;
                    threadSleep(pollTime);
                } else {
                    //tried to wait and lock maxNumberOfRetries times; throw an exception
                    //throw new ServletException("unable to acquire session lock");
                    //instead of above; unlock the background so we can take over
                    _logger.warning("this should not happen-breaking background lock: sess =" + sess);
                    haSess.unlockBackground();
                }              
            }
            if(_logger.isLoggable(Level.FINEST)) {
                _logger.finest("finished locking session: sess =" + sess);
                _logger.finest("LOCK = " + haSess.getSessionLock());
            }
        }


        return sess;
    }

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        //now unlock the session
        if(sess != null) {
            if(_logger.isLoggable(Level.FINEST)) {
                _logger.finest("unlocking session: sess =" + sess);
            }
            StandardSession haSess = (StandardSession) sess;
            haSess.unlockForeground();
            if(_logger.isLoggable(Level.FINEST)) {
                _logger.finest("finished unlocking session: sess =" + sess);
                _logger.finest("LOCK = " + haSess.getSessionLock());
            }
        }        
    }

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            long pollTime = 200L;
            int maxNumberOfRetries = 7;
            int tryNumber = 0;
            boolean keepTrying = true;
            boolean lockResult = false;
            StandardSession stdSess = (StandardSession) sess;
            //try to lock up to maxNumberOfRetries times
            //poll and wait starting with 200 ms
            while(keepTrying) {
                lockResult = stdSess.lockForeground();
                if(lockResult) {
                    keepTrying = false;
                    result = true;
                    break;
                }
                tryNumber++;
                if(tryNumber < maxNumberOfRetries) {
                    pollTime = pollTime * 2L;
                    threadSleep(pollTime);
                } else {
                    //tried to wait and lock maxNumberOfRetries times; throw an exception
                    //throw new ServletException("unable to acquire session lock");
                    //instead of above; unlock the background so we can take over
                    stdSess.unlockBackground();
                }              
            }
        }
        return result;
    }

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     */     
    public void unlockSession(ServletRequest request) {
        Session sess = this.getSession(request);
        //now unlock the session
        if(sess != null) {
            StandardSession stdSess = (StandardSession) sess;
            stdSess.unlockForeground();
        }        
    }

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            return ids;
        }
    }


    public Session load(String id) throws ClassNotFoundException, IOException {
        StandardSession _session = null;
        GenericValue sessionValue = null;
        try {
            sessionValue = delegator.findOne(entityName, false, "sessionId", id);
        } catch (GenericEntityException e) {
            throw new IOException(e.getMessage());
        }


        if (sessionValue != null) {
            byte[] bytes = sessionValue.getBytes("sessionInfo");
            if (bytes != null) {
                BufferedInputStream bis = new BufferedInputStream(new ByteArrayInputStream(bytes));


                Container container = manager.getContainer();
                ClassLoader classLoader = null;
                Loader loader = null;


                if (container != null) {
                    loader = container.getLoader();
                }
                if (loader != null) {
                    classLoader = loader.getClassLoader();
                }


                ObjectInputStream ois = null;
                if (classLoader != null) {
                    ois = new CustomObjectInputStream(bis, classLoader);
                } else {
                    ois = new ObjectInputStream(bis);
                }


                //Debug.logInfo("Loading Session Store [" + id + "]", module);
                _session = (StandardSession) manager.createEmptySession();
                _session.readObjectData(ois);
                _session.setManager(manager);
            }
        }


        return _session;
    }

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