public String dumpQueue() {
StringBuilder sb = new StringBuilder();
List v = queue.values();
for (Iterator it = v.iterator(); it.hasNext(); ) {
sb.append(it.next() + "\n");
}
return sb.toString();
}
public void channelConnected(Channel channel) {
synchronized (additionalChannelListeners) {
for (Iterator i = additionalChannelListeners.iterator(); i.hasNext(); ) {
ChannelListener l = (ChannelListener) i.next();
try {
l.channelConnected(channel);
} catch (Throwable t) {
log.warn("channel listener failed", t);
}
}
}
}
protected synchronized void handleView(List<Address> members) {
if (current_owner != null && !members.contains(current_owner.getAddress())) {
Owner tmp = current_owner;
setOwner(null);
if (log.isDebugEnabled())
log.debug("unlocked \"" + lock_name + "\" because owner " + tmp + " left");
}
for (Iterator<Request> it = queue.iterator(); it.hasNext(); ) {
Request req = it.next();
if (!members.contains(req.owner.getAddress())) it.remove();
}
for (Iterator<Owner> it = condition.queue.iterator(); it.hasNext(); ) {
Owner own = it.next();
if (!members.contains(own.getAddress())) {
it.remove();
}
}
processQueue();
}
/**
* Removes all members from a given view which don't have us in their view
* (https://jira.jboss.org/browse/JGRP-1061). Example:
*
* <pre>
* A: AB
* B: AB
* C: ABC
* </pre>
*
* becomes
*
* <pre>
* A: AB
* B: AB
* C: C // A and B don't have C in their views
* </pre>
*
* @param map A map of members and their associated views
*/
public static void sanitizeViews(Map<Address, View> map) {
if (map == null) return;
for (Map.Entry<Address, View> entry : map.entrySet()) {
Address key = entry.getKey();
List<Address> members = new ArrayList<Address>(entry.getValue().getMembers());
boolean modified = false;
for (Iterator<Address> it = members.iterator(); it.hasNext(); ) {
Address val = it.next();
if (val.equals(key)) // we can always talk to ourself !
continue;
View view = map.get(val);
final Collection<Address> tmp_mbrs = view != null ? view.getMembers() : null;
if (tmp_mbrs != null && !tmp_mbrs.contains(key)) {
it.remove();
modified = true;
}
}
if (modified) {
View old_view = entry.getValue();
entry.setValue(new View(old_view.getVid(), members));
}
}
}
protected void removeRequest(Type type, Owner owner) {
for (Iterator<Request> it = queue.iterator(); it.hasNext(); ) {
Request req = it.next();
if (req.type == type && req.owner.equals(owner)) it.remove();
}
}