org.granite.gravity
Class AbstractChannel

java.lang.Object
  org.granite.gravity.AbstractChannel

All Implemented Interfaces:

Channel

Direct Known Subclasses:

AsyncChannel, ContinuationChannel, GenericChannel, JBossWebChannel, TomcatChannel, WebLogicChannel

public abstract class AbstractChannel
extends Object
implements Channel

Author:

Franck WOLFF

Field Summary

protected String	id
protected LinkedList<AsyncPublishedMessage>	publishedQueue
protected Lock	publishedQueueLock
protected AsyncPublisher	publisher
protected LinkedList<AsyncMessage>	receivedQueue
protected Lock	receivedQueueLock
protected AsyncReceiver	receiver
protected ServletConfig	servletConfig
protected ConcurrentMap<String,Subscription>	subscriptions

Constructor Summary

protected

AbstractChannel(ServletConfig servletConfig, GravityConfig gravityConfig, String id)

Method Summary

protected abstract AsyncHttpContext	acquireAsyncHttpContext()
Subscription	addSubscription(String destination, String subTopicId, String subscriptionId, boolean noLocal)
void	destroy()
boolean	equals(Object obj)
Gravity	getGravity()
String	getId()
protected ServletConfig	getServletConfig()
protected ServletContext	getServletContext()
Collection<Subscription>	getSubscriptions()
protected abstract boolean	hasAsyncHttpContext()
int	hashCode()
boolean	hasPublishedMessage()
boolean	hasReceivedMessage()
void	publish(AsyncPublishedMessage message)
protected boolean	queueReceiver()
void	receive(AsyncMessage message)
protected abstract void	releaseAsyncHttpContext(AsyncHttpContext context)
Subscription	removeSubscription(String subscriptionId)
boolean	runPublish()
boolean	runReceive()
boolean	runReceived(AsyncHttpContext asyncHttpContext)
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

id

protected final String id

servletConfig

protected final ServletConfig servletConfig

subscriptions

protected final ConcurrentMap<String,Subscription> subscriptions

publishedQueue

protected LinkedList<AsyncPublishedMessage> publishedQueue

publishedQueueLock

protected final Lock publishedQueueLock

receivedQueue

protected LinkedList<AsyncMessage> receivedQueue

receivedQueueLock

protected final Lock receivedQueueLock

publisher

protected final AsyncPublisher publisher

receiver

protected final AsyncReceiver receiver

Constructor Detail

AbstractChannel

protected AbstractChannel(ServletConfig servletConfig,
                          GravityConfig gravityConfig,
                          String id)

Method Detail

hasAsyncHttpContext

protected abstract boolean hasAsyncHttpContext()

acquireAsyncHttpContext

protected abstract AsyncHttpContext acquireAsyncHttpContext()

releaseAsyncHttpContext

protected abstract void releaseAsyncHttpContext(AsyncHttpContext context)

getId

public String getId()

Specified by:

getId in interface Channel

getGravity

public Gravity getGravity()

Specified by:

getGravity in interface Channel

addSubscription

public Subscription addSubscription(String destination,
                                    String subTopicId,
                                    String subscriptionId,
                                    boolean noLocal)

Specified by:

addSubscription in interface Channel

getSubscriptions

public Collection<Subscription> getSubscriptions()

Specified by:

getSubscriptions in interface Channel

removeSubscription

public Subscription removeSubscription(String subscriptionId)

Specified by:

removeSubscription in interface Channel

publish

public void publish(AsyncPublishedMessage message)
             throws MessagePublishingException

Specified by:

publish in interface Channel

Throws:

MessagePublishingException

hasPublishedMessage

public boolean hasPublishedMessage()

Specified by:

hasPublishedMessage in interface Channel

runPublish

public boolean runPublish()

Specified by:

runPublish in interface Channel

receive

public void receive(AsyncMessage message)
             throws MessageReceivingException

Specified by:

receive in interface Channel

Throws:

MessageReceivingException

hasReceivedMessage

public boolean hasReceivedMessage()

Specified by:

hasReceivedMessage in interface Channel

runReceive

public boolean runReceive()

Specified by:

runReceive in interface Channel

runReceived

public boolean runReceived(AsyncHttpContext asyncHttpContext)

Specified by:

runReceived in interface Channel

destroy

public void destroy()

Specified by:

destroy in interface Channel

queueReceiver

protected boolean queueReceiver()

getServletConfig

protected ServletConfig getServletConfig()

getServletContext

protected ServletContext getServletContext()

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object