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

            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);


                    // A no context manager message is replied in order to avoid

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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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    public synchronized Manager createManager(String name) {
        if (log.isDebugEnabled()) {
            log.debug("Creating ClusterManager for context " + name +
                    " using class " + getManagerTemplate().getClass().getName());
        }
        ClusterManager manager = null;
        try {
            manager = managerTemplate.cloneFromTemplate();
            manager.setName(name);
        } catch (Exception x) {
            log.error("Unable to clone cluster manager, defaulting to org.apache.catalina.ha.session.DeltaManager", x);
            manager = new org.apache.catalina.ha.session.DeltaManager();
        } finally {
            if ( manager != null) manager.setCluster(this);
        }
        return manager;
    }

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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
        fireLifecycleEvent(BEFORE_MANAGERREGISTER_EVENT, manager);
        String clusterName = getManagerName(cmanager.getName(), manager);
        cmanager.setName(clusterName);
        cmanager.setCluster(this);


        managers.put(clusterName, cmanager);
        // Notify our interested LifecycleListeners
        fireLifecycleEvent(AFTER_MANAGERREGISTER_EVENT, manager);
    }

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

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        }


        @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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    public synchronized Manager createManager(String name) {
        if (log.isDebugEnabled()) {
            log.debug("Creating ClusterManager for context " + name +
                    " using class " + getManagerTemplate().getClass().getName());
        }
        ClusterManager manager = null;
        try {
            manager = managerTemplate.cloneFromTemplate();
            manager.setName(name);
        } catch (Exception x) {
            log.error("Unable to clone cluster manager, defaulting to org.apache.catalina.ha.session.DeltaManager", x);
            manager = new org.apache.catalina.ha.session.DeltaManager();
        } finally {
            if ( manager != null) manager.setCluster(this);
        }
        return manager;
    }

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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
        fireLifecycleEvent(BEFORE_MANAGERREGISTER_EVENT, manager);
        String clusterName = getManagerName(cmanager.getName(), manager);
        cmanager.setName(clusterName);
        cmanager.setCluster(this);
    
        managers.put(clusterName, cmanager);
        // Notify our interested LifecycleListeners
        fireLifecycleEvent(AFTER_MANAGERREGISTER_EVENT, manager);    
    }

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

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        }


        @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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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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