public Token getSuccessor(Token token) {
List tokens = sortedTokens();
int index = Collections.binarySearch(tokens, token);
assert index >= 0
: token + " not found in " + StringUtils.join(tokenToEndPointMap.keySet(), ", ");
return (Token) ((index == (tokens.size() - 1)) ? tokens.get(0) : tokens.get(index + 1));
}
public Set<InetAddress> getAllEndpoints() {
lock.readLock().lock();
try {
return ImmutableSet.copyOf(endpointToHostIdMap.keySet());
} finally {
lock.readLock().unlock();
}
}
/** @return the number of nodes bootstrapping into source's primary range */
public int pendingRangeChanges(InetAddress source) {
int n = 0;
Range sourceRange = getPrimaryRangeFor(getToken(source));
for (Token token : bootstrapTokens.keySet()) if (sourceRange.contains(token)) n++;
return n;
}
private List<Token> sortTokens() {
List<Token> tokens = new ArrayList<Token>(tokenToEndPointMap.keySet());
Collections.sort(tokens);
return Collections.unmodifiableList(tokens);
}