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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * by Oracle in the LICENSE file that accompanied this code.
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 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 *
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/*
 */

package java.nio.channels;

import java.io.IOException;


A channel that can be asynchronously closed and interrupted.
 A channel that implements this interface is asynchronously
closeable: If a thread is blocked in an I/O operation on an interruptible channel then another thread may invoke the channel's close method. This will cause the blocked thread to receive an AsynchronousCloseException. 
 A channel that implements this interface is also interruptible: If a thread is blocked in an I/O operation on an interruptible channel then another thread may invoke the blocked thread's 
interrupt method. This will cause the channel to be closed, the blocked thread to receive a ClosedByInterruptException, and the blocked thread's interrupt status to be set. 
 If a thread's interrupt status is already set and it invokes a blocking I/O operation upon a channel then the channel will be closed and the thread will immediately receive a ClosedByInterruptException; its interrupt status will remain set. 
 A channel supports asynchronous closing and interruption if, and only if, it implements this interface. This can be tested at runtime, if necessary, via the instanceof operator. 
Author:
Mark Reinhold, JSR-51 Expert Group
Since:
1.4/**
 * A channel that can be asynchronously closed and interrupted.
 *
 * <p> A channel that implements this interface is <i>asynchronously
 * closeable:</i> If a thread is blocked in an I/O operation on an
 * interruptible channel then another thread may invoke the channel's {@link
 * #close close} method.  This will cause the blocked thread to receive an
 * {@link AsynchronousCloseException}.
 *
 * <p> A channel that implements this interface is also <i>interruptible:</i>
 * If a thread is blocked in an I/O operation on an interruptible channel then
 * another thread may invoke the blocked thread's {@link Thread#interrupt()
 * interrupt} method.  This will cause the channel to be closed, the blocked
 * thread to receive a {@link ClosedByInterruptException}, and the blocked
 * thread's interrupt status to be set.
 *
 * <p> If a thread's interrupt status is already set and it invokes a blocking
 * I/O operation upon a channel then the channel will be closed and the thread
 * will immediately receive a {@link ClosedByInterruptException}; its interrupt
 * status will remain set.
 *
 * <p> A channel supports asynchronous closing and interruption if, and only
 * if, it implements this interface.  This can be tested at runtime, if
 * necessary, via the {@code instanceof} operator.
 *
 *
 * @author Mark Reinhold
 * @author JSR-51 Expert Group
 * @since 1.4
 */

public interface InterruptibleChannel
    extends Channel
{

    
Closes this channel.
 Any thread currently blocked in an I/O operation upon this channel will receive an AsynchronousCloseException. 
 This method otherwise behaves exactly as specified by the Channel interface. 
Throws:
IOException –  If an I/O error occurs/**
     * Closes this channel.
     *
     * <p> Any thread currently blocked in an I/O operation upon this channel
     * will receive an {@link AsynchronousCloseException}.
     *
     * <p> This method otherwise behaves exactly as specified by the {@link
     * Channel#close Channel} interface.  </p>
     *
     * @throws  IOException  If an I/O error occurs
     */
    public void close() throws IOException;

}