How to use

setState

method

in

org.apache.catalina.ha.tcp.SimpleTcpCluster

/**
 * Stop Cluster and implement the requirements
 * of {@link org.apache.catalina.util.LifecycleBase#stopInternal()}.
 *
 * @exception LifecycleException if this component detects a fatal error
 *  that prevents this component from being used
 */
@Override
protected void stopInternal() throws LifecycleException {
  setState(LifecycleState.STOPPING);
  unregisterMember(channel.getLocalMember(false));
  if (clusterDeployer != null) clusterDeployer.stop();
  this.managers.clear();
  try {
    if ( clusterDeployer != null ) clusterDeployer.setCluster(null);
    channel.stop(channelStartOptions);
    channel.removeChannelListener(this);
    channel.removeMembershipListener(this);
    this.unregisterClusterValve();
  } catch (Exception x) {
    log.error("Unable to stop cluster.", x);
  }
}

/**
 * Stop Cluster and implement the requirements
 * of {@link org.apache.catalina.util.LifecycleBase#stopInternal()}.
 *
 * @exception LifecycleException if this component detects a fatal error
 *  that prevents this component from being used
 */
@Override
protected void stopInternal() throws LifecycleException {
  setState(LifecycleState.STOPPING);
  unregisterMember(channel.getLocalMember(false));
  if (clusterDeployer != null) clusterDeployer.stop();
  this.managers.clear();
  try {
    if ( clusterDeployer != null ) clusterDeployer.setCluster(null);
    channel.stop(channelStartOptions);
    channel.removeChannelListener(this);
    channel.removeMembershipListener(this);
    this.unregisterClusterValve();
  } catch (Exception x) {
    log.error("Unable to stop cluster valve.", x);
  }
}

/**
 * Stop Cluster and implement the requirements
 * of {@link org.apache.catalina.util.LifecycleBase#stopInternal()}.
 *
 * @exception LifecycleException if this component detects a fatal error
 *  that prevents this component from being used
 */
@Override
protected void stopInternal() throws LifecycleException {
  setState(LifecycleState.STOPPING);
  unregisterMember(channel.getLocalMember(false));
  if (clusterDeployer != null) clusterDeployer.stop();
  this.managers.clear();
  try {
    if ( clusterDeployer != null ) clusterDeployer.setCluster(null);
    channel.stop(channelStartOptions);
    channel.removeChannelListener(this);
    channel.removeMembershipListener(this);
    this.unregisterClusterValve();
  } catch (Exception x) {
    log.error(sm.getString("simpleTcpCluster.stopUnable"), x);
  }
}

/**
 * Start Cluster and implement the requirements
 * of {@link org.apache.catalina.util.LifecycleBase#startInternal()}.
 *
 * @exception LifecycleException if this component detects a fatal error
 *  that prevents this component from being used
 */
@Override
protected void startInternal() throws LifecycleException {
  if (log.isInfoEnabled()) log.info("Cluster is about to start");
  try {
    checkDefaults();
    registerClusterValve();
    channel.addMembershipListener(this);
    channel.addChannelListener(this);
    channel.start(channelStartOptions);
    if (clusterDeployer != null) clusterDeployer.start();
    registerMember(channel.getLocalMember(false));
  } catch (Exception x) {
    log.error("Unable to start cluster.", x);
    throw new LifecycleException(x);
  }
  
  setState(LifecycleState.STARTING);
}

/**
 * Start Cluster and implement the requirements
 * of {@link org.apache.catalina.util.LifecycleBase#startInternal()}.
 *
 * @exception LifecycleException if this component detects a fatal error
 *  that prevents this component from being used
 */
@Override
protected void startInternal() throws LifecycleException {
  if (log.isInfoEnabled()) log.info("Cluster is about to start");
  try {
    checkDefaults();
    registerClusterValve();
    channel.addMembershipListener(this);
    channel.addChannelListener(this);
    channel.start(channelStartOptions);
    if (clusterDeployer != null) clusterDeployer.start();
    registerMember(channel.getLocalMember(false));
  } catch (Exception x) {
    log.error("Unable to start cluster.", x);
    throw new LifecycleException(x);
  }
  setState(LifecycleState.STARTING);
}

/**
 * Start Cluster and implement the requirements
 * of {@link org.apache.catalina.util.LifecycleBase#startInternal()}.
 *
 * @exception LifecycleException if this component detects a fatal error
 *  that prevents this component from being used
 */
@Override
protected void startInternal() throws LifecycleException {
  if (log.isInfoEnabled()) log.info(sm.getString("simpleTcpCluster.start"));
  try {
    checkDefaults();
    registerClusterValve();
    channel.addMembershipListener(this);
    channel.addChannelListener(this);
    channel.setName(getClusterName() + "-Channel");
    channel.start(channelStartOptions);
    if (clusterDeployer != null) clusterDeployer.start();
    registerMember(channel.getLocalMember(false));
  } catch (Exception x) {
    log.error(sm.getString("simpleTcpCluster.startUnable"), x);
    throw new LifecycleException(x);
  }
  setState(LifecycleState.STARTING);
}