com.sun.grizzly.async
Class AbstractAsyncQueueReader

java.lang.Object
  com.sun.grizzly.async.AbstractAsyncQueueReader

All Implemented Interfaces:

AsyncQueueReader

Direct Known Subclasses:

TCPAsyncQueueReader, UDPAsyncQueueReader

public abstract class AbstractAsyncQueueReader
extends java.lang.Object
implements AsyncQueueReader

Author:

oleksiys

Field Summary

protected SelectorHandler

selectorHandler

Constructor Summary

AbstractAsyncQueueReader(SelectorHandler selectorHandler)

Method Summary

void	close() Close AsyncQueueReader and release its resources
protected abstract OperationResult	doRead(java.nio.channels.ReadableByteChannel channel, java.nio.ByteBuffer byteBuffer, AsyncQueueDataProcessor readPostProcessor, OperationResult dstResult)
AsyncQueue.AsyncQueueEntry	getAsyncQueue(java.nio.channels.SelectionKey key) Gets ready asynchronous queue elements to be read from the SelectableChannel, associated with the given SelectionKey
boolean	isReady(java.nio.channels.SelectionKey key) Checks whether AsyncQueueReader is registered for the SelectableChannel, associated with the given SelectionKey
void	onClose(java.nio.channels.SelectableChannel channel) Callback method, which should be called by SelectorHandler to notify, that given SelectableChannel is going to be closed, so related data could be released from AsyncQueueReader
void	onRead(java.nio.channels.SelectionKey key) Callback method, which should be called by SelectorHandler to notify, that SelectableChannel, associated with the given SelectableChannel has ready data for reading.
java.util.concurrent.Future<AsyncQueueReadUnit>	read(java.nio.channels.SelectionKey key, java.nio.ByteBuffer buffer, AsyncReadCallbackHandler callbackHandler)
java.util.concurrent.Future<AsyncQueueReadUnit>	read(java.nio.channels.SelectionKey key, java.nio.ByteBuffer buffer, AsyncReadCallbackHandler callbackHandler, AsyncReadCondition condition)
java.util.concurrent.Future<AsyncQueueReadUnit>	read(java.nio.channels.SelectionKey key, java.nio.ByteBuffer buffer, AsyncReadCallbackHandler callbackHandler, AsyncReadCondition condition, AsyncQueueDataProcessor readPostProcessor)

Methods inherited from class java.lang.Object

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

Field Detail

selectorHandler

protected final SelectorHandler selectorHandler

Constructor Detail

AbstractAsyncQueueReader

public AbstractAsyncQueueReader(SelectorHandler selectorHandler)

Method Detail

read

public java.util.concurrent.Future<AsyncQueueReadUnit> read(java.nio.channels.SelectionKey key,
                                                            java.nio.ByteBuffer buffer,
                                                            AsyncReadCallbackHandler callbackHandler)
                                                     throws java.io.IOException

Specified by:

read in interface AsyncQueueReader

Throws:

java.io.IOException

read

public java.util.concurrent.Future<AsyncQueueReadUnit> read(java.nio.channels.SelectionKey key,
                                                            java.nio.ByteBuffer buffer,
                                                            AsyncReadCallbackHandler callbackHandler,
                                                            AsyncReadCondition condition)
                                                     throws java.io.IOException

Specified by:

read in interface AsyncQueueReader

Throws:

java.io.IOException

read

public java.util.concurrent.Future<AsyncQueueReadUnit> read(java.nio.channels.SelectionKey key,
                                                            java.nio.ByteBuffer buffer,
                                                            AsyncReadCallbackHandler callbackHandler,
                                                            AsyncReadCondition condition,
                                                            AsyncQueueDataProcessor readPostProcessor)
                                                     throws java.io.IOException

Specified by:

read in interface AsyncQueueReader

Throws:

java.io.IOException

isReady

public boolean isReady(java.nio.channels.SelectionKey key)

Description copied from interface: AsyncQueueReader

Checks whether AsyncQueueReader is registered for the SelectableChannel, associated with the given SelectionKey

Specified by:

isReady in interface AsyncQueueReader

Parameters:

key - SelectionKey associated with SelectableChannel

Returns:

true, if there is ready data. False otherwise.

getAsyncQueue

public AsyncQueue.AsyncQueueEntry getAsyncQueue(java.nio.channels.SelectionKey key)

Description copied from interface: AsyncQueueReader

Gets ready asynchronous queue elements to be read from the SelectableChannel, associated with the given SelectionKey

Specified by:

getAsyncQueue in interface AsyncQueueReader

Parameters:

key - SelectionKey associated with SelectableChannel

Returns:

ready asynchronous queue elements to be read to the SelectableChannel, associated with the given SelectionKey/

onRead

public void onRead(java.nio.channels.SelectionKey key)
            throws java.io.IOException

Description copied from interface: AsyncQueueReader

Callback method, which should be called by SelectorHandler to notify, that SelectableChannel, associated with the given SelectableChannel has ready data for reading.

Specified by:

onRead in interface AsyncQueueReader

Parameters:

key - SelectionKey associated with SelectableChannel

Throws:

java.io.IOException

onClose

public void onClose(java.nio.channels.SelectableChannel channel)

Description copied from interface: AsyncQueueReader

Callback method, which should be called by SelectorHandler to notify, that given SelectableChannel is going to be closed, so related data could be released from AsyncQueueReader

Specified by:

onClose in interface AsyncQueueReader

close

public void close()

Description copied from interface: AsyncQueueReader

Close AsyncQueueReader and release its resources

Specified by:

close in interface AsyncQueueReader

doRead

protected abstract OperationResult doRead(java.nio.channels.ReadableByteChannel channel,
                                          java.nio.ByteBuffer byteBuffer,
                                          AsyncQueueDataProcessor readPostProcessor,
                                          OperationResult dstResult)
                                   throws java.io.IOException

Throws:

java.io.IOException