public void onRestart() {
joined.set(false);
joiner.reset();
final String uuid = UuidUtil.createMemberUuid(address);
logger.finest("Generated new UUID for local member: " + uuid);
localMember.setUuid(uuid);
}
public void join() {
final long joinStartTime = joiner != null ? joiner.getStartTime() : Clock.currentTimeMillis();
final long maxJoinMillis = getGroupProperties().MAX_JOIN_SECONDS.getInteger() * 1000;
try {
if (joiner == null) {
logger.warning("No join method is enabled! Starting standalone.");
setAsMaster();
} else {
joiner.join(joined);
}
} catch (Exception e) {
if (Clock.currentTimeMillis() - joinStartTime < maxJoinMillis) {
logger.warning("Trying to rejoin: " + e.getMessage());
rejoin();
} else {
logger.severe("Could not join cluster, shutting down!", e);
shutdown(false, true);
}
}
}
public ConfigCheck createConfigCheck() {
final ConfigCheck configCheck = new ConfigCheck();
final GroupConfig groupConfig = config.getGroupConfig();
final PartitionGroupConfig partitionGroupConfig = config.getPartitionGroupConfig();
final boolean partitionGroupEnabled =
partitionGroupConfig != null && partitionGroupConfig.isEnabled();
PartitionGroupConfig.MemberGroupType memberGroupType =
partitionGroupEnabled
? partitionGroupConfig.getGroupType()
: PartitionGroupConfig.MemberGroupType.PER_MEMBER;
configCheck
.setGroupName(groupConfig.getName())
.setGroupPassword(groupConfig.getPassword())
.setJoinerType(joiner != null ? joiner.getType() : "")
.setPartitionGroupEnabled(partitionGroupEnabled)
.setMemberGroupType(memberGroupType);
return configCheck;
}
public void join() {
if (joiner == null) {
logger.warning("No join method is enabled! Starting standalone.");
setAsMaster();
return;
}
try {
masterAddress = null;
joined.set(false);
clusterService.reset();
joiner.join();
} catch (Throwable e) {
logger.severe("Error while joining the cluster!", e);
}
if (!joined()) {
long maxJoinTimeMillis = groupProperties.getMillis(GroupProperty.MAX_JOIN_SECONDS);
logger.severe("Could not join cluster in " + maxJoinTimeMillis + " ms. Shutting down now!");
shutdownNodeByFiringEvents(Node.this, true);
}
}
public ConfigCheck createConfigCheck() {
String joinerType = joiner == null ? "" : joiner.getType();
return new ConfigCheck(config, joinerType);
}
/**
* Resets the internal cluster-state of the Node to be able to make it ready to join a new
* cluster. After this method is called, a new join process can be triggered by calling {@link
* #join()}.
*
* <p>This method is called during merge process after a split-brain is detected.
*/
public void reset() {
setMasterAddress(null);
joined.set(false);
joiner.reset();
}