public void addBootstrapToken(Token token, InetAddress endpoint) {
assert token != null;
assert endpoint != null;
lock.writeLock().lock();
try {
InetAddress oldEndPoint = null;
oldEndPoint = bootstrapTokens.get(token);
if (oldEndPoint != null && !oldEndPoint.equals(endpoint))
throw new RuntimeException(
"Bootstrap Token collision between "
+ oldEndPoint
+ " and "
+ endpoint
+ " (token "
+ token);
oldEndPoint = tokenToEndPointMap.get(token);
if (oldEndPoint != null && !oldEndPoint.equals(endpoint))
throw new RuntimeException(
"Bootstrap Token collision between "
+ oldEndPoint
+ " and "
+ endpoint
+ " (token "
+ token);
bootstrapTokens.inverse().remove(endpoint);
bootstrapTokens.put(token, endpoint);
} finally {
lock.writeLock().unlock();
}
}
/**
* Store an end-point to host ID mapping. Each ID must be unique, and cannot be changed after the
* fact.
*
* @param hostId
* @param endpoint
*/
public void updateHostId(UUID hostId, InetAddress endpoint) {
assert hostId != null;
assert endpoint != null;
lock.writeLock().lock();
try {
InetAddress storedEp = endpointToHostIdMap.inverse().get(hostId);
if (storedEp != null) {
if (!storedEp.equals(endpoint) && (FailureDetector.instance.isAlive(storedEp))) {
throw new RuntimeException(
String.format(
"Host ID collision between active endpoint %s and %s (id=%s)",
storedEp, endpoint, hostId));
}
}
UUID storedId = endpointToHostIdMap.get(endpoint);
if ((storedId != null) && (!storedId.equals(hostId)))
logger.warn("Changing {}'s host ID from {} to {}", endpoint, storedId, hostId);
endpointToHostIdMap.forcePut(endpoint, hostId);
} finally {
lock.writeLock().unlock();
}
}
public InetAddress getEndPoint(Token token) {
lock.readLock().lock();
try {
return tokenToEndPointMap.get(token);
} finally {
lock.readLock().unlock();
}
}
/** Return the unique host ID for an end-point. */
public UUID getHostId(InetAddress endpoint) {
lock.readLock().lock();
try {
return endpointToHostIdMap.get(endpoint);
} finally {
lock.readLock().unlock();
}
}
public UUID convertOldCfId(Integer oldCfId) throws UnknownColumnFamilyException {
UUID cfId = oldCfIdMap.get(oldCfId);
if (cfId == null)
throw new UnknownColumnFamilyException(
"ColumnFamily identified by old " + oldCfId + " was not found.", null);
return cfId;
}
public InetAddress getFirstEndpoint() {
assert tokenToEndPointMap.size() > 0;
lock.readLock().lock();
try {
return tokenToEndPointMap.get(sortedTokens.get(0));
} finally {
lock.readLock().unlock();
}
}