Examples of java.nio.channels.Selector.keys()

java.nio.channels.Selector.keys()
Returns this selector's key set.
The key set is not directly modifiable. A key is removed only after it has been cancelled and its channel has been deregistered. Any attempt to modify the key set will cause an {@link UnsupportedOperationException} to be thrown.
The key set is not thread-safe.
@return This selector's key set @throws ClosedSelectorException If this selector is closed

           r.addAll(pending);
           r.addAll(unselectable_reads);
           w.addAll(unselectable_writes);
           
           // make all sockets blocking as configured again
           for (Iterator i = selector.keys().iterator(); i.hasNext(); ) {
               SelectionKey key = (SelectionKey) i.next();
               SelectableChannel channel = key.channel();
               synchronized(channel.blockingLock()) {
                   RubyIO originalIO = (RubyIO) TypeConverter.convertToType(
                           (IRubyObject) key.attachment(), runtime.getIO(),

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                    }


                    flushSessions();
                    cancelKeys();


                    if (selector.keys().isEmpty()) {
                        synchronized (lock) {
                            if (selector.keys().isEmpty()
                                    && registerQueue.isEmpty()
                                    && cancelQueue.isEmpty()) {
                                worker = null;

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                    flushSessions();
                    cancelKeys();


                    if (selector.keys().isEmpty()) {
                        synchronized (lock) {
                            if (selector.keys().isEmpty()
                                    && registerQueue.isEmpty()
                                    && cancelQueue.isEmpty()) {
                                worker = null;
                                try {
                                    selector.close();

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                    doFlush();
                    doRemove();
                    notifyIdleness();


                    if (selector.keys().isEmpty()) {
                        synchronized (lock) {
                            if (selector.keys().isEmpty()
                                    && newSessions.isEmpty()) {
                                worker = null;

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                    doRemove();
                    notifyIdleness();


                    if (selector.keys().isEmpty()) {
                        synchronized (lock) {
                            if (selector.keys().isEmpty()
                                    && newSessions.isEmpty()) {
                                worker = null;


                                try {
                                    selector.close();

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                    if (nKeys > 0) {
                        processSessions(selector.selectedKeys());
                    }


                    processTimedOutSessions(selector.keys());


                    if (selector.keys().isEmpty()) {
                        if (System.currentTimeMillis() - lastActive > workerTimeout * 1000L) {
                            synchronized (lock) {
                                if (selector.keys().isEmpty()

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                        processSessions(selector.selectedKeys());
                    }


                    processTimedOutSessions(selector.keys());


                    if (selector.keys().isEmpty()) {
                        if (System.currentTimeMillis() - lastActive > workerTimeout * 1000L) {
                            synchronized (lock) {
                                if (selector.keys().isEmpty()
                                        && connectQueue.isEmpty()) {
                                    worker = null;

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                    processTimedOutSessions(selector.keys());


                    if (selector.keys().isEmpty()) {
                        if (System.currentTimeMillis() - lastActive > workerTimeout * 1000L) {
                            synchronized (lock) {
                                if (selector.keys().isEmpty()
                                        && connectQueue.isEmpty()) {
                                    worker = null;
                                    try {
                                        selector.close();
                                    } catch (IOException e) {

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                    }


                    flushSessions();
                    cancelKeys();


                    if (selector.keys().isEmpty()) {
                        synchronized (lock) {
                            if (selector.keys().isEmpty()
                                    && registerQueue.isEmpty()
                                    && cancelQueue.isEmpty()) {
                                worker = null;

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                    flushSessions();
                    cancelKeys();


                    if (selector.keys().isEmpty()) {
                        synchronized (lock) {
                            if (selector.keys().isEmpty()
                                    && registerQueue.isEmpty()
                                    && cancelQueue.isEmpty()) {
                                worker = null;
                                try {
                                    selector.close();

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