Examples of java.nio.channels.SelectionKey.cancel()

java.nio.channels.SelectionKey.cancel()
Cancels this key.

    protected boolean finishConnect(SocketChannel handle) throws Exception {
        if (handle.finishConnect()) {
            SelectionKey key = handle.keyFor(selector);


            if (key != null) {
                key.cancel();
            }
            
            return true;
        }

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    static void close(NioSocketChannel channel, ChannelFuture future) {
        NioWorker worker = channel.worker;
        Selector selector = worker.selector;
        SelectionKey key = channel.socket.keyFor(selector);
        if (key != null) {
            key.cancel();
        }


        boolean connected = channel.isConnected();
        boolean bound = channel.isBound();
        try {

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            throw x;
        } catch (Exception cx) {
            IOException x = new IOException(cx);
            throw x;
        } finally {
            if (key!=null) try {key.cancel();} catch (Exception ignore) {}
            if (selector!=null) try {selector.close();} catch (Exception ignore) {}
        }
    }

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                            "Address not bound: " + request.address);
                } else {
                    SelectionKey key = ch.keyFor(selector);
                    request.registrationRequest = (RegistrationRequest) key
                            .attachment();
                    key.cancel();
                    selector.wakeup(); // wake up again to trigger thread death
                    ch.disconnect();
                    ch.close();
                }
            } catch (Throwable t) {

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                    ExceptionMonitor.getInstance().exceptionCaught(e);
                }


                getListeners().fireSessionDestroyed(session);
                session.getCloseFuture().setClosed();
                key.cancel();
                selector.wakeup(); // wake up again to trigger thread death
            }
        }
    }

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            if (!key.isValid()) {
                continue;
            }


            try {
                key.cancel();
                ch.close();
            } catch (IOException e) {
                session.getFilterChain().fireExceptionCaught(session, e);
            } finally {
                releaseWriteBuffers(session);

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                    ExceptionMonitor.getInstance().exceptionCaught( e );
                }
                
                getListeners().fireSessionDestroyed( session );
                session.getCloseFuture().setClosed();
                key.cancel();
                selector.wakeup(); // wake up again to trigger thread death
            }
        }
    }

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                continue;
            }


            try
            {
                key.cancel();
                ch.close();
            }
            catch( IOException e )
            {
                session.getFilterChain().fireExceptionCaught( session, e );

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                }
                else
                {
                    SelectionKey key = ssc.keyFor( selector );
                    request.registrationRequest = ( RegistrationRequest ) key.attachment();
                    key.cancel();


                    selector.wakeup(); // wake up again to trigger thread death


                    ssc.close();
                }

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                }
                else
                {
                    SelectionKey key = ch.keyFor( selector );
                    request.registrationRequest = ( RegistrationRequest ) key.attachment();
                    key.cancel();
                    selector.wakeup(); // wake up again to trigger thread death
                    ch.disconnect();
                    ch.close();
                }
            }

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