Examples of org.apache.catalina.ha.ClusterManager

org.apache.catalina.ha.ClusterManager
The common interface used by all cluster manager. This is so that we can have a more pluggable way of swapping session managers for different algorithms. @author Filip Hanik @author Peter Rossbach

    }


    @Override
    public void setOwner(Object owner) {
        if ( owner instanceof ClusterManager && getManager()==null) {
            ClusterManager cm = (ClusterManager)owner;
            this.setManager(cm);
            this.setValid(true);
            this.setPrimarySession(false);
            this.access();
            this.resetDeltaRequest();

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                crossContextSessions.set(new ArrayList());
            }
            getNext().invoke(request, response);
            Manager manager = request.getContext().getManager();
            if (manager != null && manager instanceof ClusterManager) {
                ClusterManager clusterManager = (ClusterManager) manager;
                CatalinaCluster containerCluster = (CatalinaCluster) getContainer().getCluster();
                if (containerCluster == null) {
                    if (log.isWarnEnabled())
                        log.warn(sm.getString("ReplicationValve.nocluster"));
                    return;
                }
                // valve cluster can access manager - other cluster handle replication 
                // at host level - hopefully!
                if(containerCluster.getManager(clusterManager.getName()) == null)
                    return ;
                if(containerCluster.hasMembers()) {
                    sendReplicationMessage(request, totalstart, isCrossContext, clusterManager, containerCluster);
                } else {
                    resetReplicationRequest(request,isCrossContext);

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            manager = new org.apache.catalina.ha.session.DeltaManager();
        } finally {
            if(manager != null) {
                manager.setDistributable(true);
                if (manager instanceof ClusterManager) {
                    ClusterManager cmanager = (ClusterManager) manager ;
                    cmanager.setDefaultMode(true);
                    cmanager.setName(getManagerName(name,manager));
                    cmanager.setCluster(this);
                }
            }
        }
        return manager;
    }

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        }
        // Notify our interested LifecycleListeners
        lifecycle.fireLifecycleEvent(BEFORE_MANAGERREGISTER_EVENT, manager);
        String clusterName = getManagerName(name, manager);
        if (manager instanceof ClusterManager) {
            ClusterManager cmanager = (ClusterManager) manager ;
            cmanager.setName(clusterName);
            cmanager.setCluster(this);
            if(cmanager.isDefaultMode())
                transferProperty("manager",cmanager);
        }
        managers.put(clusterName, manager);
        // Notify our interested LifecycleListeners
        lifecycle.fireLifecycleEvent(AFTER_MANAGERREGISTER_EVENT, manager);

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                log.debug(sm.getString("jvmRoute.set.orignalsessionid",sessionIdAttribute,sessionId));
            }
            request.setAttribute(sessionIdAttribute, sessionId);
        }
        // now sending the change to all other clusternode!
        ClusterManager manager = (ClusterManager)catalinaSession.getManager();
        sendSessionIDClusterBackup(manager,request,sessionId, newSessionID);
        lifecycle
                .fireLifecycleEvent("After session migration", catalinaSession);
        if (log.isDebugEnabled()) {
            log.debug(sm.getString("jvmRoute.changeSession", sessionId,

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        if (! (manager instanceof ClusterManager)) {
            log.warn("Manager [ " + manager + "] does not implement ClusterManager, addition to cluster has been aborted.");
            return;
        }
        ClusterManager cmanager = (ClusterManager) manager ;
        cmanager.setDistributable(true);
        // Notify our interested LifecycleListeners
        lifecycle.fireLifecycleEvent(BEFORE_MANAGERREGISTER_EVENT, manager);
        String clusterName = getManagerName(cmanager.getName(), manager);
        cmanager.setName(clusterName);
        cmanager.setCluster(this);
        cmanager.setDefaultMode(false);
    
        managers.put(clusterName, manager);
        // Notify our interested LifecycleListeners
        lifecycle.fireLifecycleEvent(AFTER_MANAGERREGISTER_EVENT, manager);    
    }

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     * 
     * @see org.apache.catalina.ha.CatalinaCluster#removeManager(java.lang.String,Manager)
     */
    public void removeManager(Manager manager) {
        if (manager != null && manager instanceof ClusterManager ) {
            ClusterManager cmgr = (ClusterManager) manager;
            // Notify our interested LifecycleListeners
            lifecycle.fireLifecycleEvent(BEFORE_MANAGERUNREGISTER_EVENT,manager);
            managers.remove(getManagerName(cmgr.getName(),manager));
            cmgr.setCluster(null);
            // Notify our interested LifecycleListeners
            lifecycle.fireLifecycleEvent(AFTER_MANAGERUNREGISTER_EVENT, manager);
        }
    }

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            diffLock.unlock();
        }


        public void setOwner(Object owner) {
            if ( owner instanceof ClusterManager && getManager()==null) {
                ClusterManager cm = (ClusterManager)owner;
                this.setManager(cm);
                this.setValid(true);
                this.setPrimarySession(false);
                this.access();
                this.resetDeltaRequest();

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            Map managers = cluster.getManagers() ;
            if (ctxname == null) {
                java.util.Iterator i = managers.keySet().iterator();
                while (i.hasNext()) {
                    String key = (String) i.next();
                    ClusterManager mgr = (ClusterManager) managers.get(key);
                    if (mgr != null)
                        mgr.messageDataReceived(msg);
                    else {
                        //this happens a lot before the system has started
                        // up
                        if (log.isDebugEnabled())
                            log.debug("Context manager doesn't exist:"
                                    + key);
                    }
                }
            } else {
                ClusterManager mgr = (ClusterManager) managers.get(ctxname);
                if (mgr != null)
                    mgr.messageDataReceived(msg);
                else if (log.isWarnEnabled())
                    log.warn("Context manager doesn't exist:" + ctxname);
            }
        }
        return;

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            ((DeltaSession) catalinaSession).resetDeltaRequest();
        changeRequestSessionID(request, response, sessionId, newSessionID);


        if (getCluster() != null) {
            // now sending the change to all other clusternode!
            ClusterManager manager = (ClusterManager)catalinaSession.getManager();
            sendSessionIDClusterBackup(manager,request,sessionId, newSessionID);
        }


        lifecycle.fireLifecycleEvent("After session migration", catalinaSession);
        if (log.isDebugEnabled()) {

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Related Classes of org.apache.catalina.ha.ClusterManager

org.apache.catalina.ha.authenticator.ClusterSingleSignOnListener

org.apache.catalina.ha.session.ClusterSessionListener

org.apache.catalina.ha.session.DeltaSession

org.apache.catalina.ha.session.JvmRouteBinderValve

org.apache.catalina.ha.tcp.ReplicationValve

org.apache.catalina.ha.tcp.SimpleTcpCluster

org.apache.catalina.storeconfig.CatalinaClusterSF

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