org.apache.catalina.session
Class DistributedManager

java.lang.Object
  extended byorg.apache.catalina.session.ManagerBase
      extended byorg.apache.catalina.session.PersistentManagerBase
          extended byorg.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: 1.6 $, $Date: 2004/08/26 21:39:08 $
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


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