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 * to you under the Apache License, Version 2.0 (the
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 * KIND, either express or implied.  See the License for the
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package org.apache.http.nio.reactor;

import java.io.IOException;
import java.net.SocketAddress;

ListenerEndpoint interface represents an endpoint used by an I/O reactor
to listen for incoming connection from remote clients.
Since:
4.0/**
 * ListenerEndpoint interface represents an endpoint used by an I/O reactor
 * to listen for incoming connection from remote clients.
 *
 * @since 4.0
 */
public interface ListenerEndpoint {

    
Returns the socket address of this endpoint.
Returns:
socket address./**
     * Returns the socket address of this endpoint.
     *
     * @return socket address.
     */
    SocketAddress getAddress();

    
Returns an instance of IOException thrown during initialization of this endpoint or null, if initialization was successful. 
Returns:
I/O exception object or null./**
     * Returns an instance of {@link IOException} thrown during initialization
     * of this endpoint or {@code null}, if initialization was successful.
     *
     * @return I/O exception object or {@code null}.
     */
    IOException getException();

    
Waits for completion of initialization process of this endpoint.
Throws:
InterruptedException – in case the initialization process was
  interrupted./**
     * Waits for completion of initialization process of this endpoint.
     *
     * @throws InterruptedException in case the initialization process was
     *   interrupted.
     */
    void waitFor() throws InterruptedException;

    
Determines if this endpoint has been closed and is no longer listens
for incoming connections.
Returns:
true if the endpoint has been closed, false otherwise./**
     * Determines if this endpoint has been closed and is no longer listens
     * for incoming connections.
     *
     * @return {@code true} if the endpoint has been closed,
     *   {@code false} otherwise.
     */
    boolean isClosed();

    
Closes this endpoint. The endpoint will stop accepting incoming
connection.
/**
     * Closes this endpoint. The endpoint will stop accepting incoming
     * connection.
     */
    void close();

}