com.gemstone.gemfire.internal.shared

Class OutputStreamChannel

java.lang.Object

java.io.OutputStream

com.gemstone.gemfire.internal.shared.OutputStreamChannel

All Implemented Interfaces:

StreamChannel, java.io.Closeable, java.io.Flushable, java.lang.AutoCloseable, java.nio.channels.Channel, java.nio.channels.WritableByteChannel

Direct Known Subclasses:

ChannelBufferOutputStream, ChannelBufferUnsafeOutputStream

public abstract class OutputStreamChannel
extends java.io.OutputStream
implements java.nio.channels.WritableByteChannel, StreamChannel

Intermediate class that extends both an OutputStream and WritableByteChannel.

Since:

gfxd 1.1

Field Summary

Fields

Modifier and Type	Field and Description
protected long	bytesWritten
protected java.nio.channels.WritableByteChannel	channel

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	OutputStreamChannel(java.nio.channels.WritableByteChannel channel)

Method Summary

Modifier and Type	Method and Description
protected boolean	flushBufferNonBlockingBase(java.nio.ByteBuffer buffer)
long	getBytesWritten()
java.lang.Thread	getParkedThread() Return the thread if waiting for read/write on this channel.
long	getParkNanosMax() Maximum time to wait before giving up read/write on channel
java.nio.channels.WritableByteChannel	getUnderlyingChannel() Get the underlying WritableByteChannel.
boolean	isSocketToSameHost()
void	setParkedThread(java.lang.Thread thread) Set the thread waiting for read/write on this channel (null to clear).
abstract int	write(java.nio.ByteBuffer src)
protected int	writeBuffer(java.nio.ByteBuffer buffer, java.nio.channels.WritableByteChannel channel)
protected int	writeBuffered(java.nio.ByteBuffer src, java.nio.ByteBuffer channelBuffer) Common base method to write a given ByteBuffer source via an intermediate direct byte buffer owned by the implementation of this class (if required).
protected int	writeBufferNoWait(java.nio.ByteBuffer buffer, java.nio.channels.WritableByteChannel channel)
abstract void	writeInt(int v) Writes an int value, which is comprised of four bytes, to the output stream in big-endian format compatible with DataOutput.writeInt(int).

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 java.nio.channels.WritableByteChannel channel

bytesWritten

protected volatile long bytesWritten

Constructor Detail

OutputStreamChannel

protected OutputStreamChannel(java.nio.channels.WritableByteChannel channel)

Method Detail

isSocketToSameHost

public final boolean isSocketToSameHost()

getUnderlyingChannel

public final java.nio.channels.WritableByteChannel getUnderlyingChannel()

Get the underlying WritableByteChannel.

write

public abstract int write(java.nio.ByteBuffer src)
                   throws java.io.IOException

Specified by:

write in interface java.nio.channels.WritableByteChannel

Throws:

java.io.IOException

writeInt

public abstract void writeInt(int v)
                       throws java.io.IOException

Writes an int value, which is comprised of four bytes, to the output stream in big-endian format compatible with DataOutput.writeInt(int).

Parameters:

v - the int value to be written.

Throws:

java.io.IOException - if an I/O error occurs.

See Also:

DataOutput.writeInt(int)

writeBuffered

protected final int writeBuffered(java.nio.ByteBuffer src,
                                  java.nio.ByteBuffer channelBuffer)
                           throws java.io.IOException

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

Throws:

java.io.IOException

flushBufferNonBlockingBase

protected final boolean flushBufferNonBlockingBase(java.nio.ByteBuffer buffer)
                                            throws java.io.IOException

Throws:

java.io.IOException

writeBuffer

protected int writeBuffer(java.nio.ByteBuffer buffer,
                          java.nio.channels.WritableByteChannel channel)
                   throws java.io.IOException

Throws:

java.io.IOException

getParkedThread

public final java.lang.Thread getParkedThread()

Description copied from interface: StreamChannel

Return the thread if waiting for read/write on this channel.

Specified by:

getParkedThread in interface StreamChannel

setParkedThread

public final void setParkedThread(java.lang.Thread thread)

Description copied from interface: StreamChannel

Set the thread waiting for read/write on this channel (null to clear).

Specified by:

setParkedThread in interface StreamChannel

getParkNanosMax

public long getParkNanosMax()

Description copied from interface: StreamChannel

Maximum time to wait before giving up read/write on channel

Specified by:

getParkNanosMax in interface StreamChannel

writeBufferNoWait

protected int writeBufferNoWait(java.nio.ByteBuffer buffer,
                                java.nio.channels.WritableByteChannel channel)
                         throws java.io.IOException

Throws:

java.io.IOException

getBytesWritten

public final long getBytesWritten()