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83 lines
2.1 KiB
83 lines
2.1 KiB
/*
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* Copyright (c) 2001, Oracle and/or its affiliates. All rights reserved.
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* ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*/
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/*
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*/
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package java.nio.channels;
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import java.io.IOException;
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/**
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* A channel that can be asynchronously closed and interrupted.
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*
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* <p> A channel that implements this interface is <i>asynchronously
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* closeable:</i> If a thread is blocked in an I/O operation on an
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* interruptible channel then another thread may invoke the channel's {@link
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* #close close} method. This will cause the blocked thread to receive an
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* {@link AsynchronousCloseException}.
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*
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* <p> A channel that implements this interface is also <i>interruptible:</i>
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* If a thread is blocked in an I/O operation on an interruptible channel then
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* another thread may invoke the blocked thread's {@link Thread#interrupt()
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* interrupt} method. This will cause the channel to be closed, the blocked
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* thread to receive a {@link ClosedByInterruptException}, and the blocked
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* thread's interrupt status to be set.
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*
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* <p> If a thread's interrupt status is already set and it invokes a blocking
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* I/O operation upon a channel then the channel will be closed and the thread
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* will immediately receive a {@link ClosedByInterruptException}; its interrupt
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* status will remain set.
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*
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* <p> A channel supports asynchronous closing and interruption if, and only
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* if, it implements this interface. This can be tested at runtime, if
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* necessary, via the <tt>instanceof</tt> operator.
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*
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*
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* @author Mark Reinhold
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* @author JSR-51 Expert Group
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* @since 1.4
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*/
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public interface InterruptibleChannel
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extends Channel
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{
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/**
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* Closes this channel.
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*
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* <p> Any thread currently blocked in an I/O operation upon this channel
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* will receive an {@link AsynchronousCloseException}.
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*
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* <p> This method otherwise behaves exactly as specified by the {@link
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* Channel#close Channel} interface. </p>
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*
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* @throws IOException If an I/O error occurs
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*/
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public void close() throws IOException;
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}
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