/**
* Pick the best node from which to stream the data. Entries in <i>nodes</i> are already in the
* priority order
*/
static DatanodeInfo bestNode(
DatanodeInfo nodes[], AbstractMap<DatanodeInfo, DatanodeInfo> deadNodes) throws IOException {
if (nodes != null) {
for (int i = 0; i < nodes.length; i++) {
if (!deadNodes.containsKey(nodes[i])) {
return nodes[i];
}
}
}
throw new IOException("No live nodes contain current block");
}
private void joinChat() {
String userColor;
sessionService.addOnSessionDestroyedListener(callback);
defaultSessionTimeout = httpSession.getMaxInactiveInterval();
httpSession.setMaxInactiveInterval(0);
lastActivityTime = System.currentTimeMillis();
String username = ((User) authToken.getPrincipal()).getUsername();
LOG.debug("joinChat() user: "******"USER", username);
int userNb = usersLoggedIn.incrementAndGet();
// If a user is active more than once, give him the same color:
if (userColorMap.containsKey(username)) {
userColor = userColorMap.get(username);
} else {
userColor = PEER_COLORS[userNb % PEER_COLOR_NB];
userColorMap.put(username, userColor);
}
thisSession.getUserProperties().put("COLOR", userColor);
Message joinMsg = new Message();
joinMsg.TYPE = "JOIN";
joinMsg.SUBTYPE = "JOIN";
joinMsg.USER_LIST = buildUserList(true);
joinMsg.STATS_MSG = userNb + " User" + (userNb > 1 ? "s " : " ") + "online!";
sendMessage(joinMsg);
Message infoMsg = new Message();
infoMsg.TYPE = "INFO";
infoMsg.SUBTYPE = "JOIN";
infoMsg.INFO_MSG = username + " has entered the building";
infoMsg.STATS_MSG = userNb + " User" + (userNb > 1 ? "s " : " ") + "online!";
infoMsg.USER_LIST = buildUserList(true);
broadcastMessage(infoMsg, false);
}
/**
* Replaces all unquantified variables with the unique copy stored as a value of the given map;
* also instantiates all quantified variables and stores them in the given map.
*
* @param m The map in which to find unique copies of the variables.
*/
public void consolidateVariables(java.util.AbstractMap m) {
variableMap = m;
if (m.containsKey(left)) left = (FirstOrderVariable) m.get(left);
else m.put(left, left);
}