Java ConnectFuture.getException方法代碼示例

import org.apache.mina.core.future.ConnectFuture; //導入方法依賴的package包/類
/**
 * Handles the retry attempts. Listens to see when the ConnectFuture is finished and checks if there was 
 * an exception thrown. If so, it then attempts a retry if there are more retries.
 * 
 * @param connector
 * @param detectFuture
 * @param address
 * @param retryAttempt
 * @return IoFutureListener<ConnectFuture>
 */
private final IoFutureListener<ConnectFuture> retryAttemptListener(final DetectFutureMinaImpl detectFuture, final InetSocketAddress address, final IoSessionInitializer<ConnectFuture> init, final int retryAttempt) {
    return new IoFutureListener<ConnectFuture>() {

        @Override
        public void operationComplete(ConnectFuture future) {
            final Throwable cause = future.getException();
           
            if (cause instanceof IOException) {
                if(retryAttempt == 0) {
                    LogUtils.infof(this, "Service %s detected false: %s: %s",getServiceName(), cause.getClass().getName(), cause.getMessage());
                    detectFuture.setServiceDetected(false);
                }else {
                    LogUtils.infof(this, "Connection exception occurred: %s for service %s, retrying attempt %d", cause, getServiceName(), retryAttempt);
                    future = m_connectionFactory.reConnect(address, init, createDetectorHandler(detectFuture));
                    future.addListener(retryAttemptListener(detectFuture, address, init, retryAttempt - 1));
                }
            }else if(cause instanceof Throwable) {
                LogUtils.infof(this, cause, "Threw a Throwable and detection is false for service %s", getServiceName());
                detectFuture.setServiceDetected(false);
            }
        }
        
    };
}
 

import org.apache.mina.core.future.ConnectFuture; //導入方法依賴的package包/類
protected synchronized void handleConnectComplete ( final ConnectFuture future )
{
    logger.debug ( "Connection attempt complete: {}", future );

    if ( this.connectFuture != future )
    {
        logger.warn ( "handleConnectComplete got called with wrong future - current: {}, called: {}", this.connectFuture, future );
        return;
    }

    this.connectFuture = null;

    final Throwable error = future.getException ();
    if ( error != null )
    {
        setState ( ConnectionState.CLOSED, error );
        return;
    }

    try
    {
        setSession ( future.getSession () );
    }
    catch ( final Throwable e )
    {
        setState ( ConnectionState.CLOSED, e );
    }

    logger.debug ( "Connection established" );
}
 

import org.apache.mina.core.future.ConnectFuture; //導入方法依賴的package包/類
public IoSession connect() throws Exception {
	ConnectFuture future = connector.connect(new InetSocketAddress((String)rule.get("ip"), (Integer)rule.get("port")));
	future.awaitUninterruptibly();
	/*boolean b = future.awaitUninterruptibly(cfg.getConTimeout());
	// 若返回值b==true，則表示設置了ConnectFuture的value，即調用了ConnectFuture的setException、setSession或cancel方法
	if (!b)
		throw new CommunicateException("連接遠程Tcp服務器超時");*/
	
	if (!future.isConnected())
		// 即getValue() instanceof IoSession == false，也就是說出現異常或Canceled
		throw new Exception("與遠程Tcp服務器建立連接失敗：超時或異常",
				future.getException());
	return future.getSession();
}
 

import org.apache.mina.core.future.ConnectFuture; //導入方法依賴的package包/類
public MessageSession connect(SocketAddress address) throws IOException {
	Objects.requireNonNull(address);

	// client session
	ConnectFuture connectFuture = connector.connect(address);
	connectFuture.awaitUninterruptibly();
	if (!connectFuture.isConnected() || connectFuture.getException() != null)
		throw new IOException("Connection error", connectFuture.getException());
	
	IoSession minaSession = connectFuture.getSession();
	return minaAdapter.getMessageSession(minaSession);
}