org.apache.catalina.session
Class DistributedManager

java.lang.Object
  org.apache.catalina.session.ManagerBase
      org.apache.catalina.session.PersistentManagerBase
          org.apache.catalina.session.DistributedManager

All Implemented Interfaces:

java.util.EventListener, Lifecycle, Manager, java.beans.PropertyChangeListener, java.lang.Runnable

public final class DistributedManager

extends PersistentManagerBase

This manager is responsible for in memory replication of Sessions across a defined Cluster. It could also utilize a Store to make Sessions persistence.

Version:

$Revision: 466595 $, $Date: 2006-10-21 23:24:41 +0100 (Sat, 21 Oct 2006) $

Author:

Bip Thelin

Field Summary

protected static java.lang.String

name The descriptive name of this Manager implementation (for logging).

Fields inherited from class org.apache.catalina.session.PersistentManagerBase

lifecycle, threadDone

Fields inherited from class org.apache.catalina.session.ManagerBase

algorithm, container, debug, DEFAULT_ALGORITHM, defaultContext, digest, distributable, duplicates, entropy, maxActive, maxInactiveInterval, random, randomClass, recycled, SESSION_ID_BYTES, sessionCounter, sessions, sm, support

Fields inherited from interface org.apache.catalina.Lifecycle

AFTER_START_EVENT, AFTER_STOP_EVENT, BEFORE_START_EVENT, BEFORE_STOP_EVENT, START_EVENT, STOP_EVENT

Constructor Summary

DistributedManager()

Method Summary

Session	createSession() Create a Session and replicate it in our Cluster
java.lang.String	getInfo() Return descriptive information about this Manager implementation and the corresponding version number, in the format <description>/<version>.
java.lang.String	getName() Return the descriptive short name of this Manager implementation.
void	processClusterReceiver() Called from our background thread to process new received Sessions
void	run() The background thread that checks for session timeouts and shutdown.
void	start() Start this manager

Methods inherited from class org.apache.catalina.session.PersistentManagerBase

addLifecycleListener, clearStore, findLifecycleListeners, findSession, getCheckInterval, getMaxActiveSessions, getMaxIdleBackup, getMaxIdleSwap, getMinIdleSwap, getSaveOnRestart, getStore, isLoaded, isSessionStale, isStarted, load, processExpires, processMaxActiveSwaps, processMaxIdleBackups, processMaxIdleSwaps, processPersistenceChecks, propertyChange, remove, removeLifecycleListener, setCheckInterval, setContainer, setMaxActiveSessions, setMaxIdleBackup, setMaxIdleSwap, setMinIdleSwap, setSaveOnRestart, setStarted, setStore, stop, swapIn, swapOut, threadSleep, threadStart, threadStop, unload, writeSession

Methods inherited from class org.apache.catalina.session.ManagerBase

add, addPropertyChangeListener, createEmptySession, expireSession, findSessions, generateSessionId, getActiveSessions, getAlgorithm, getContainer, getDebug, getDefaultContext, getDigest, getDistributable, getDuplicates, getEngine, getEntropy, getJvmRoute, getLastAccessedTime, getMaxActive, getMaxInactiveInterval, getRandom, getRandomClass, getSessionAttribute, getSessionCounter, listSessionIds, removePropertyChangeListener, setAlgorithm, setDebug, setDefaultContext, setDistributable, setDuplicates, setEntropy, setMaxActive, setMaxInactiveInterval, setRandomClass, setSessionCounter

Methods inherited from class java.lang.Object

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

Field Detail

name

protected static java.lang.String name

The descriptive name of this Manager implementation (for logging).

Constructor Detail

DistributedManager

public DistributedManager()

Method Detail

getInfo

public java.lang.String getInfo()

Return descriptive information about this Manager implementation and the corresponding version number, in the format <description>/<version>.

Specified by:

getInfo in interface Manager

Overrides:

getInfo in class PersistentManagerBase

getName

public java.lang.String getName()

Return the descriptive short name of this Manager implementation.

Overrides:

getName in class PersistentManagerBase

createSession

public Session createSession()

Create a Session and replicate it in our Cluster

Specified by:

createSession in interface Manager

Overrides:

createSession in class PersistentManagerBase

Returns:

The newly created Session

start

public void start()
           throws LifecycleException

Start this manager

Specified by:

start in interface Lifecycle

Overrides:

start in class PersistentManagerBase

Throws:

LifecycleException - if an error occurs

processClusterReceiver

public void processClusterReceiver()

Called from our background thread to process new received Sessions

run

public void run()

The background thread that checks for session timeouts and shutdown.

Specified by:

run in interface java.lang.Runnable

Overrides:

run in class PersistentManagerBase