protected void startJGroupsChannelIfNeeded() {
if (startChannel) {
String clusterName = configuration.getClusterName();
try {
channel.connect(clusterName);
} catch (Exception e) {
throw new CacheException("Unable to start JGroups Channel", e);
}
try {
// Normally this would be done by CacheManagerJmxRegistration but
// the channel is not started when the cache manager starts but
// when first cache starts, so it's safer to do it here.
globalStatsEnabled = configuration.isExposeGlobalJmxStatistics();
if (globalStatsEnabled) {
String groupName =
String.format("type=channel,cluster=%s", ObjectName.quote(clusterName));
mbeanServer = JmxUtil.lookupMBeanServer(configuration);
domain = JmxUtil.buildJmxDomain(configuration, mbeanServer, groupName);
JmxConfigurator.registerChannel(
(JChannel) channel, mbeanServer, domain, clusterName, true);
}
} catch (Exception e) {
throw new CacheException("Channel connected, but unable to register MBeans", e);
}
}
address = fromJGroupsAddress(channel.getAddress());
if (!startChannel) {
// the channel was already started externally, we need to initialize our member list
viewAccepted(channel.getView());
}
if (log.isInfoEnabled()) log.localAndPhysicalAddress(getAddress(), getPhysicalAddresses());
}
@Override
public int getViewId() {
if (channel == null)
throw new CacheException("The cache has been stopped and invocations are not allowed!");
View view = channel.getView();
if (view == null) return -1;
return (int) view.getVid().getId();
}
public void start() {
if (corr == null)
corr =
createRequestCorrelator(prot_adapter, this, local_addr)
.asyncDispatching(async_dispatching);
correlatorStarted();
corr.start();
if (channel != null) {
List<Address> tmp_mbrs = channel.getView() != null ? channel.getView().getMembers() : null;
setMembers(tmp_mbrs);
if (channel instanceof JChannel) {
TP transport = channel.getProtocolStack().getTransport();
corr.registerProbeHandler(transport);
}
TP transport = channel.getProtocolStack().getTransport();
hardware_multicast_supported = transport.supportsMulticasting();
transport.registerProbeHandler(probe_handler);
}
}
@Override
public void channelConnected(Channel channel) {
// Validate view
String localName = channel.getName();
Address localAddress = channel.getAddress();
for (Address address : channel.getView()) {
String name = channel.getName(address);
if ((name != null) && name.equals(localName) && !address.equals(localAddress)) {
channel.close();
throw JGroupsLogger.ROOT_LOGGER.duplicateNodeName(
this.factory.getValue().getProtocolStackConfiguration().getEnvironment().getNodeName());
}
}
}
