How to use

addValve

method

in

org.apache.catalina.ha.tcp.SimpleTcpCluster

protected void checkDefaults() {
  if ( clusterListeners.size() == 0 ) {
    addClusterListener(new ClusterSessionListener());
  }
  if ( valves.size() == 0 ) {
    addValve(new JvmRouteBinderValve());
    addValve(new ReplicationValve());
  }
  if ( clusterDeployer != null ) clusterDeployer.setCluster(this);
  if ( channel == null ) channel = new GroupChannel();
  if ( channel instanceof GroupChannel && !((GroupChannel)channel).getInterceptors().hasNext()) {
    channel.addInterceptor(new MessageDispatch15Interceptor());
    channel.addInterceptor(new TcpFailureDetector());
  }
}

protected void checkDefaults() {
  if ( clusterListeners.size() == 0 && managerTemplate instanceof DeltaManager ) {
    addClusterListener(new ClusterSessionListener());
  }
  if ( valves.size() == 0 ) {
    addValve(new JvmRouteBinderValve());
    addValve(new ReplicationValve());
  }
  if ( clusterDeployer != null ) clusterDeployer.setCluster(this);
  if ( channel == null ) channel = new GroupChannel();
  if ( channel instanceof GroupChannel && !((GroupChannel)channel).getInterceptors().hasNext()) {
    channel.addInterceptor(new MessageDispatchInterceptor());
    channel.addInterceptor(new TcpFailureDetector());
  }
  if (heartbeatBackgroundEnabled) channel.setHeartbeat(false);
}

protected void checkDefaults() {
  if ( clusterListeners.size() == 0 ) {
    addClusterListener(new JvmRouteSessionIDBinderListener()); 
    addClusterListener(new ClusterSessionListener());
  }
  if ( valves.size() == 0 ) {
    addValve(new JvmRouteBinderValve());
    addValve(new ReplicationValve());
  }
  if ( clusterDeployer != null ) clusterDeployer.setCluster(this);
  if ( channel == null ) channel = new GroupChannel();
  if ( channel instanceof GroupChannel && !((GroupChannel)channel).getInterceptors().hasNext()) {
    channel.addInterceptor(new MessageDispatch15Interceptor());
    channel.addInterceptor(new TcpFailureDetector());
  }
}

private Property prepareTomcatClustering(Host host, Property engineConfig) throws ContainerException {
  Property clusterProp = null;
  List<Property> clusterProps = engineConfig.getPropertiesWithValue("cluster");
  if (clusterProps.size() > 1) {
    throw new ContainerException("Only one cluster configuration allowed per engine");
  }
  if (UtilValidate.isNotEmpty(clusterProps)) {
    clusterProp = clusterProps.get(0);
    GroupChannel channel = new GroupChannel();
    channel.setChannelReceiver(prepareChannelReceiver(clusterProp));
    channel.setChannelSender(prepareChannelSender(clusterProp));
    channel.setMembershipService(prepareChannelMcastService(clusterProp));
    SimpleTcpCluster cluster = new SimpleTcpCluster();
    cluster.setClusterName(clusterProp.name);
    cluster.setManagerTemplate(prepareClusterManager(clusterProp));
    cluster.setChannel(channel);
    cluster.addValve(prepareClusterValve(clusterProp));
    host.setCluster(cluster);
    Debug.logInfo("Catalina Cluster [" + cluster.getClusterName() + "] configured for host - " + host.getName(), module);
  }
  return clusterProp;
}