com.gemstone.gemfire.internal.shared

Class OutputStreamChannel

java.lang.Object

java.io.OutputStream

com.gemstone.gemfire.internal.shared.OutputStreamChannel

All Implemented Interfaces:

Closeable, Flushable, AutoCloseable, Channel, WritableByteChannel

Direct Known Subclasses:

ChannelBufferOutputStream, ChannelBufferUnsafeOutputStream

public abstract class OutputStreamChannel
extends OutputStream
implements WritableByteChannel, Closeable

Intermediate class that extends both an OutputStream and WritableByteChannel.

Since:

gfxd 1.1

Field Summary

Fields

Modifier and Type	Field and Description
protected WritableByteChannel	channel
protected static long	PARK_NANOS nanos to park reader thread to wait for writing data in non-blocking mode (will be explicitly signalled by selector if data can be written)
protected static long	PARK_NANOS_MAX
protected Thread	parkedThread

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	OutputStreamChannel(WritableByteChannel channel)

Method Summary

Methods

Modifier and Type	Method and Description
protected boolean	flushBufferNonBlocking(ByteBuffer buffer, boolean isChannelBuffer)
Thread	getParkedThread()
WritableByteChannel	getUnderlyingChannel() Get the underlying WritableByteChannel.
abstract int	write(ByteBuffer src)
protected int	writeBuffer(ByteBuffer buffer)
protected int	writeBuffered(ByteBuffer src, ByteBuffer channelBuffer) Common base method to write a given ByteBuffer source via an intermediate direct byte buffer owned by the implementation of this class.
protected int	writeBufferNonBlocking(ByteBuffer buffer)

Methods inherited from class java.io.OutputStream

close, flush, write, write, write

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.nio.channels.Channel

close, isOpen

Field Detail

channel

protected final WritableByteChannel channel

parkedThread

protected volatile Thread parkedThread

PARK_NANOS

protected static final long PARK_NANOS

nanos to park reader thread to wait for writing data in non-blocking mode (will be explicitly signalled by selector if data can be written)

See Also:

Constant Field Values

PARK_NANOS_MAX

protected static final long PARK_NANOS_MAX

See Also:

Constant Field Values

Constructor Detail

OutputStreamChannel

protected OutputStreamChannel(WritableByteChannel channel)

Method Detail

getUnderlyingChannel

public final WritableByteChannel getUnderlyingChannel()

Get the underlying WritableByteChannel.

write

public abstract int write(ByteBuffer src)
                   throws IOException

Specified by:

write in interface WritableByteChannel

Throws:

IOException

writeBuffered

protected final int writeBuffered(ByteBuffer src,
                ByteBuffer channelBuffer)
                           throws IOException

Common base method to write a given ByteBuffer source via an intermediate direct byte buffer owned by the implementation of this class.

Throws:

IOException

flushBufferNonBlocking

protected boolean flushBufferNonBlocking(ByteBuffer buffer,
                             boolean isChannelBuffer)
                                  throws IOException

Throws:

IOException

writeBuffer

protected int writeBuffer(ByteBuffer buffer)
                   throws IOException

Throws:

IOException

writeBufferNonBlocking

protected int writeBufferNonBlocking(ByteBuffer buffer)
                              throws IOException

Throws:

IOException

getParkedThread

public final Thread getParkedThread()