Java LongEWMACounter类代码示例

import com.ebay.jetstream.counter.LongEWMACounter; //导入依赖的package包/类
public void open() throws EventException {
	//LOGGER.info( "Opening Inbound File Channel");
	logger.info( "Openning Inbound File Channel");
	/* put my name Event/FileChannel to the page */
	Management.addBean(getBeanName(), this);
    m_eventsReceivedPerSec = new LongEWMACounter(60, MessageServiceTimer.sInstance().getTimer());
	m_eventsSentPerSec = new LongEWMACounter(60, MessageServiceTimer.sInstance().getTimer());
  

	/* open the event file, be ready for play*/
	try {
		m_fcHelper.openForRead();
	} catch (EventException ee) {
		//LOGGER.error( "InboundFileChannel open() get e=" + ee);
		logger.error( "--InboundFileChannel open() get e=" + ee);
  		/*** instead of forcing application to exit, we choose to post an error status at dashboard */
if (m_AlertListener != null) {
	m_AlertListener.sendAlert(getBeanName(),  "InboundFileChannel open() get e=" + ee, AlertListener.AlertStrength.RED);
} else {
	throw ee;
}
	
	}


}
 

import com.ebay.jetstream.counter.LongEWMACounter; //导入依赖的package包/类
/**
 * ChannelBinging.afterPropertiesSet() calls channel.open()
 */

public void open() throws EventException {
	
	LOGGER.info(  "Opening Outbound File Channel");
 		
 		/* put my name Event/FileChannel to the page */
	if (!m_restart) {			
		Management.addBean(getBeanName(), this);
	}
 	    m_eventsReceivedPerSec = new LongEWMACounter(60, MessageServiceTimer.sInstance().getTimer());
 		m_eventsSentPerSec = new LongEWMACounter(60, MessageServiceTimer.sInstance().getTimer());
 	  

 		/* open the event file, be ready for writing*/
 		/* close the files for each stream */
 		
 		for (String type:m_streamTypeToHelperMap.keySet() ) {
 			try { 
 				m_streamTypeToHelperMap.get(type).openForWrite();
 			} catch (EventException ee) {
 				LOGGER.error( "open() get e=" + ee.getLocalizedMessage(), ee);
 	  	  		/*** instead of forcing application to exit, we choose to post an error status at dashboard */
 				if (m_AlertListener != null) {
 					m_AlertListener.sendAlert(getBeanName(),  "OutboundFileChannel open() get e=" + ee, AlertListener.AlertStrength.RED);
 				} else {
 					throw ee;
 				}
 			}
 		}

}
 

import com.ebay.jetstream.counter.LongEWMACounter; //导入依赖的package包/类
public EventBatcher(HttpClient client) {
	m_client = client;
	m_eventsSentPerSec = new LongEWMACounter(60, MessageServiceTimer.sInstance().getTimer());
	
	m_highWaterMark.set((long) (0.85 * m_maxQueueSize));
	m_lowWaterMark.set((long) (0.25 * m_maxQueueSize));
	
}
 

import com.ebay.jetstream.counter.LongEWMACounter; //导入依赖的package包/类
public void open() throws EventException {
	LOGGER.info(  "Opening Outbound File Channel");
 	    m_eventsReceivedPerSec = new LongEWMACounter(60, MessageServiceTimer.sInstance().getTimer());
 		m_eventsSentPerSec = new LongEWMACounter(60, MessageServiceTimer.sInstance().getTimer());
}
 

import com.ebay.jetstream.counter.LongEWMACounter; //导入依赖的package包/类
/**
 * @param context
 * @param tl
 * @param addrList
 * @param port
 * @param msp
 * @throws Exception
 */
public void init(ContextConfig cc, ITransportListener tl,
		List<InetAddress> addrList, int port,
		TransportConfig transportConfig, MessageServiceProxy proxy)
		throws Exception {

	m_tl = tl;

	m_context = cc.getContextname();

	m_contextConfig = (NettyContextConfig) cc;

	m_messageServiceProxy = proxy;

	m_avgMsgsRcvdPerSec = new LongEWMACounter(30, MessageServiceTimer
			.sInstance().getTimer());

	m_tke = (NettyTransportConfig) transportConfig;

	if (m_tke.getAdvertisementTopic() != null) {
		m_ecdvertisement = new JetstreamTopic(m_tke.getAdvertisementTopic());
		LOGGER.info(
				"Using Topic : " + m_tke.getAdvertisementTopic()
						+ " for advertisements messages");
	}

	if (m_tke.getDiscoverTopic() != null) {
		m_ecdiscover = new JetstreamTopic(m_tke.getDiscoverTopic());
		LOGGER.info( "Using Topic : " + m_tke.getDiscoverTopic()
				+ " for discover messages");
	}

	m_producerSessionHandler = new EventProducerSessionHandler(this);

	m_threadPoolExecutor = Executors.newFixedThreadPool(m_tke
			.getConsumerThreadPoolSize(), new NameableThreadFactory(
			"Jetstream-EventConsumer"));

	if (m_tke.isEnableCompression())
		MessageDecompressionHandler.initSnappy();

	Iterator<InetAddress> itr = addrList.iterator();

	while (itr.hasNext()) {
		InetAddress addr = itr.next();

		Acceptor acceptor = new Acceptor(m_tke);
		acceptor.setIpAddress(addr.getHostAddress());
		acceptor.setTcpPort(port);
		acceptor.setEnableCompression(m_tke.isEnableCompression());
		acceptor.setTcpKeepAlive(m_tke.getTcpKeepAlive());
		if (m_tke.getTcpKeepAlive())
			acceptor.setReadIdleTimeout(0);
		else
			acceptor.setReadIdleTimeout(m_tke.getIdleTimeoutInSecs());
		acceptor.bind(m_producerSessionHandler);

		m_acceptorList.add(acceptor);

	}

	subscribeToDiscoveryEvent();

	printInfo("Initialized event consumer for context - " + m_context);
}
 

import com.ebay.jetstream.counter.LongEWMACounter; //导入依赖的package包/类
public void open() throws EventException {

		m_eventsReceivedPerSec = new LongEWMACounter(60, MessageServiceTimer.sInstance().getTimer());

		m_eventsSentPerSec = new LongEWMACounter(60, MessageServiceTimer.sInstance().getTimer());

	}
 

import com.ebay.jetstream.counter.LongEWMACounter; //导入依赖的package包/类
public void open() throws EventException {
	
	m_eventsReceivedPerSec = new LongEWMACounter(60, MessageServiceTimer.sInstance().getTimer());
	m_eventsSentPerSec = new LongEWMACounter(60, MessageServiceTimer.sInstance().getTimer());

}
 

import com.ebay.jetstream.counter.LongEWMACounter; //导入依赖的package包/类
/**
 * @param context
 * @param port
 */
@edu.umd.cs.findbugs.annotations.SuppressWarnings(value="BC_UNCONFIRMED_CAST")
public void init(ContextConfig cc, int port,
		TransportConfig transportConfig, 
		MessageServiceProxy proxy,
		NettyTransport nt) throws Exception {

	if (m_hostName == null) throw new Exception("hostname not initialized");

	if (!m_initialized.get()) {

		m_nt = nt;

		m_ncc = (NettyContextConfig) cc;

		setupRegistry();

		m_context = cc.getContextname();

		m_avgMsgsSentPerSec = new LongEWMACounter(60, MessageServiceTimer
				.sInstance().getTimer());

		m_messageServiceProxy = proxy;

		m_transportConfig = (NettyTransportConfig) transportConfig;

		Scheduler scheduler = m_ncc.getScheduler();

		if (scheduler != null)
			m_scheduler = scheduler.clone();

		LOGGER.info( "Provisioned event scheduler is "
				+ m_scheduler.getClass().getName());

		// instantiate affinity calculator

		m_workQueueCapacity = m_transportConfig
				.getDownstreamDispatchQueueSize();

		if (m_transportConfig.getAdvertisementTopic()!= null) {
			m_eventConsumerAdvertisement = new JetstreamTopic(m_transportConfig.getAdvertisementTopic());
			LOGGER.info( "Using Topic : " + m_transportConfig.getAdvertisementTopic() + " for advertisements messages");
		}

		if (m_transportConfig.getDiscoverTopic() != null) {
			m_ecdiscover = new JetstreamTopic(m_transportConfig.getDiscoverTopic());
			LOGGER.info( "Using Topic : " + m_transportConfig.getDiscoverTopic() + " for discover messages");
		}

		// m_dataQueue = new LinkedBlockingQueue<Request>(m_workQueueCapacity);
		m_dataQueue =  new SingleConsumerDisruptorQueue<Request>(m_workQueueCapacity);

		m_deadConsumerQueue = new LinkedBlockingQueue<EventConsumerInfo>(
				200); // 200 elements

		m_ecSessionHandler = new EventConsumerSessionHandler(this);

		if (m_transportConfig.installAutoFlushHandler()) 
			m_autoFlushHandler = new NettyAutoFlushBatcher(m_transportConfig.getAutoFlushSz(), m_transportConfig.getAutoFlushTimeInterval());

		//Always attach compression handler, based on consumer handshake, decide on compress/decompress
		
		MessageCompressionHandler.initSnappy();

		createChannelPipeline();

		m_initialized.set(true);

		printInfo("Initalized event producer for context - " + m_context);
	}
}