java.nio.channels.spi

Class AbstractInterruptibleChannel

java.lang.Object

java.nio.channels.spi.AbstractInterruptibleChannel

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable, java.nio.channels.Channel, java.nio.channels.InterruptibleChannel

Direct Known Subclasses:

java.nio.channels.SelectableChannel

public abstract class AbstractInterruptibleChannel
extends java.lang.Object
implements java.nio.channels.Channel, java.nio.channels.InterruptibleChannel

Since:

1.4

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	AbstractInterruptibleChannel() Initializes the channel.

Method Summary

Methods

Modifier and Type	Method and Description
protected void	begin() Marks the beginning of an I/O operation that might block indefinitely.
void	close() Closes the channel.
protected void	end(boolean completed) Marks the end of an I/O operation that might block indefinitely.
protected abstract void	implCloseChannel() Closes the channel.
boolean	isOpen() Tells whether or not this channel is open.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

AbstractInterruptibleChannel

protected AbstractInterruptibleChannel()

Initializes the channel.

Method Detail

begin

protected final void begin()

Marks the beginning of an I/O operation that might block indefinitely.

close

public final void close()
                 throws java.io.IOException

Closes the channel.

Specified by:

close in interface java.io.Closeable

Specified by:

close in interface java.lang.AutoCloseable

Specified by:

close in interface java.nio.channels.Channel

Specified by:

close in interface java.nio.channels.InterruptibleChannel

Throws:

java.io.IOException - If an error occurs

end

protected final void end(boolean completed)
                  throws java.nio.channels.AsynchronousCloseException

Marks the end of an I/O operation that might block indefinitely.

Parameters:

completed - true if the task completed successfully, false otherwise

Throws:

java.nio.channels.AsynchronousCloseException - If the channel was asynchronously closed.

java.nio.channels.ClosedByInterruptException - If the thread blocked in the I/O operation was interrupted.

implCloseChannel

protected abstract void implCloseChannel()
                                  throws java.io.IOException

Closes the channel.

Throws:

java.io.IOException - If an error occurs

isOpen

public final boolean isOpen()

Tells whether or not this channel is open.

Specified by:

isOpen in interface java.nio.channels.Channel

Returns:

true if the channel is open, false otherwise