init
This commit is contained in:
Rinjae
@@ -0,0 +1,19 @@
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package com.eactive.eai.common.worker;
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// SA 인터페이스 유형에서 요청에 대한 응답을 맞추기 위해 Outbound 인터페이스에서 사용하는 Worker Action
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public interface Action {
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// Action의 고유 ID를 반환
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public String getId();
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// Action의 고유 ID를 Setting하고, Action의 초기화
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public void doInit(String id) throws ActionException;
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// 요청에 대한 응답 메시지를 수신하기위한 전처리
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public void doStart(Slot slot) throws ActionException;
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// 초기화 로직에 대한 Undo 로직을 처리
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public void doEnd() throws ActionException;
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// 요청에 대한 응답 메시지를 받기 위한 초기화가 되었는지 Flag를 반환
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public boolean isReady();
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}
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@@ -0,0 +1,11 @@
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package com.eactive.eai.common.worker;
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public class ActionException extends Exception {
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public ActionException() {
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super("ActionException is occured.");
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}
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public ActionException(String msg) {
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super(msg);
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}
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}
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@@ -0,0 +1,27 @@
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package com.eactive.eai.common.worker;
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import com.eactive.eai.common.util.Logger;
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public abstract class ActionSupport implements Action {
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protected boolean ready;
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protected String id;
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protected static Logger logger = Logger.getLogger(Logger.LOGGER_DEFAULT);
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public String getId() {
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return this.id;
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}
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public boolean isReady() {
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return this.ready;
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}
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public void doInit(String id) throws ActionException {
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this.id = id;
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logger.info("execute doInit... ");
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}
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public void doEnd() throws ActionException {
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logger.info("execute doEnd... ");
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}
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}
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@@ -0,0 +1,30 @@
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package com.eactive.eai.common.worker;
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public class Future {
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private Object value;
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private Slot slot; // shared with some worker
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public Future() {
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this.slot = new Slot();
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}
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public Slot getSlot() {
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return this.slot;
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}
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public Object value() {
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synchronized (slot) { // avoid race conditions!
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if (value == null)
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value = slot.get();
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}
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return value;
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}
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public Object value(long timeout) {
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synchronized (slot) { // avoid race conditions!
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if (value == null)
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value = slot.get(timeout);
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}
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return value;
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}
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}
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@@ -0,0 +1,192 @@
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package com.eactive.eai.common.worker;
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import java.lang.Thread.State;
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import javax.jms.Message;
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import javax.jms.MessageListener;
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import javax.jms.ObjectMessage;
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import javax.jms.Session;
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import javax.jms.Topic;
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import javax.jms.TopicConnection;
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import javax.jms.TopicConnectionFactory;
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import javax.jms.TopicSession;
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import javax.jms.TopicSubscriber;
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import com.eactive.eai.common.jms.JmsServiceLocator;
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import com.eactive.eai.common.util.ContainerUtil;
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public class JMSListenerAction extends ActionSupport implements MessageListener {
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private String topicConFactory;
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private String topicName;
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private int timeout;
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private TopicConnectionFactory tconFactory;
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private TopicConnection tcon;
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private TopicSession tsession;
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private TopicSubscriber tsubscriber;
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private Topic topic;
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private Slot slot;
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public JMSListenerAction(String topicConFactory, String topicName, int timeout) {
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this.topicConFactory = topicConFactory;
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this.topicName = topicName;
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this.timeout = timeout;
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}
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public void doStart(Slot slot) throws ActionException {
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if (ContainerUtil.get() == ContainerUtil.WEBSPHERE) {
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doStartForWebSphere(slot);
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} else if (ContainerUtil.get() == ContainerUtil.WEBLOGIC) {
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doStartForWeblogic(slot);
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} else {
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doStartForWeblogic(slot);
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}
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}
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public void doStartForWeblogic(Slot slot) throws ActionException {
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this.slot = slot;
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try {
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JmsServiceLocator slocator = JmsServiceLocator.getInstance();
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tconFactory = (TopicConnectionFactory) slocator.getTopicConnectionFactory(this.topicConFactory);
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tcon = tconFactory.createTopicConnection();
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tsession = tcon.createTopicSession(false, Session.AUTO_ACKNOWLEDGE);
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topic = (Topic) slocator.getTopic(this.topicName);
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tsubscriber = tsession.createSubscriber(topic, "JMSCorrelationID = '" + id + "'", true);
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tsubscriber.setMessageListener(this);
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tcon.start();
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this.ready = true;
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} catch (Exception e) {
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this.ready = false;
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this.doEnd();
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throw new ActionException("ResponseTopic에 응답메시지를 수신하기 위한 JMSListener를 초기화 하지 못했습니다.");
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}
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}
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public void doStartForWebSphere(Slot slot) throws ActionException {
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this.slot = slot;
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int retryCount = 0;
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try {
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if (logger.isWarn())
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logger.warn("start correlationID[" + id + "]");
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JmsServiceLocator slocator = JmsServiceLocator.getInstance();
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tconFactory = (TopicConnectionFactory) slocator.getTopicConnectionFactory(this.topicConFactory);
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if (tconFactory == null)
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throw new Exception("tconFactory not found - " + this.topicConFactory);
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while (retryCount < 3) {
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try {
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tcon = tconFactory.createTopicConnection();
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} catch (Exception ex) {
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retryCount++;
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if (retryCount < 3) {
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// if(logger.isWarn())
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logger.error("correlationID[" + id + "] retry count=" + retryCount);
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continue;
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}
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throw ex;
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}
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if (tcon != null)
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break;
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}
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tsession = tcon.createTopicSession(false, Session.AUTO_ACKNOWLEDGE);
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topic = (Topic) slocator.getTopic(this.topicName);
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tsubscriber = tsession.createSubscriber(topic, "JMSCorrelationID = '" + id + "'", true);
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tcon.start();
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Thread receiverThread = new Thread(new Runnable() {
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@Override
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public void run() {
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if (logger.isWarn())
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logger.warn("run correlationID[" + id + "]");
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long startTime = System.currentTimeMillis();
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Message msg = null;
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if (logger.isInfo())
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logger.info("executing. - " + id);
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try {
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msg = tsubscriber.receive(timeout + (10 * 1000L));
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if (logger.isInfoEnabled())
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logger.info("receive JMSCorrelationID=" + id + ", message=" + msg);
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if (logger.isWarn())
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logger.warn("receive correlationID[" + id + "]");
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if (msg instanceof ObjectMessage) {
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ObjectMessage omsg = (ObjectMessage) msg;
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Object value = omsg.getObject();
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slot.put(value);
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}
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if (logger.isWarn())
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logger.warn("slot.put correlationID[" + id + "]");
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} catch (Exception e) {
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logger.error("JMSListenerAction Error", e);
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}
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long endTime = System.currentTimeMillis();
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if (logger.isInfo())
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logger.info(id + " >> ELAPSE TIME : " + (endTime - startTime) / 1000.);
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}
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});
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receiverThread.setName("JMSTopicReceiver");
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receiverThread.setPriority(Thread.MAX_PRIORITY);
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receiverThread.start();
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int i = 0;
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while (true) {
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State s = receiverThread.getState();
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if (s == Thread.State.TIMED_WAITING || i > 100) {
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if (i > 100) {
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logger.error("JMSListenerAction] receiverThread state = " + s.toString() + ",count=" + i);
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} else if (100 >= i && i > 0) {
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logger.info("JMSListenerAction] receiverThread state = " + s.toString() + ",count=" + i);
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}
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break;
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}
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Thread.sleep(10L);
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i++;
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}
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this.ready = true;
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} catch (Exception e) {
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this.ready = false;
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this.doEnd();
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logger.error("ResponseTopic에 응답메시지를 수신하기 위한 JMSListener를 초기화 하지 못했습니다.topicConFactory="
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+ this.topicConFactory + ", topic=" + topicName + ", " + e.getMessage(), e);
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throw new ActionException("ResponseTopic에 응답메시지를 수신하기 위한 JMSListener를 초기화 하지 못했습니다.");
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}
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}
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public void doEnd() {
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try {
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if (tsubscriber != null)
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tsubscriber.close();
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} catch (Exception e) {
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}
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try {
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if (tsession != null)
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tsession.close();
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} catch (Exception e) {
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}
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try {
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if (tcon != null)
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tcon.close();
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} catch (Exception e) {
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}
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}
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public void onMessage(Message msg) {
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long startTime = System.currentTimeMillis();
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if (logger.isInfo())
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logger.info("executing. - " + id);
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try {
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if (msg instanceof ObjectMessage) {
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ObjectMessage omsg = (ObjectMessage) msg;
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Object value = omsg.getObject();
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this.slot.put(value);
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}
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} catch (Exception e) {
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logger.error("JMSListenerAction Error - " + e.getMessage());
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}
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long endTime = System.currentTimeMillis();
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if (logger.isInfo())
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logger.info(id + " >> ELAPSE TIME : " + (endTime - startTime) / 1000.);
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}
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}
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@@ -0,0 +1,38 @@
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package com.eactive.eai.common.worker;
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import java.util.concurrent.ConcurrentHashMap;
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public class ResponseMap {
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private volatile static ResponseMap singleton;
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private static ConcurrentHashMap<String, Future> responseMap = new ConcurrentHashMap<String, Future>();
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private ResponseMap() {
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// System.out.println("Create ResponseMap...");
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}
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public static ResponseMap getInstance() {
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if (singleton == null) {
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synchronized (ResponseMap.class) {
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if (singleton == null) {
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singleton = new ResponseMap();
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}
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}
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}
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return singleton;
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}
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public void put(String key, Future future) {
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responseMap.put(key, future);
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}
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public Future get(String key) {
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return responseMap.remove(key);
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}
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public boolean containsKey(String key) {
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return responseMap.containsKey(key);
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}
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}
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@@ -0,0 +1,49 @@
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package com.eactive.eai.common.worker;
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public class Slot {
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private Object slotVal;
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public synchronized void put(Object val) {
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while (slotVal != null) {
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try {
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wait();
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} catch (InterruptedException e) {
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;
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}
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}
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slotVal = val;
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notifyAll();
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}
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public synchronized Object get() {
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Object rval;
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while (slotVal == null) {
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try {
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if (slotVal == null)
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wait();
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} catch (InterruptedException e) {
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break;
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}
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}
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rval = slotVal;
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slotVal = null;
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notifyAll();
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return rval;
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}
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public synchronized Object get(long timeout) {
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Object rval;
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try {
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if (slotVal == null)
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wait(timeout);
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} catch (InterruptedException e) {
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rval = slotVal;
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}
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rval = slotVal;
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slotVal = null;
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notifyAll();
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return rval;
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}
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}
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