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package com.sun.messaging.jms.ra;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.jms.*;
import javax.resource.spi.UnavailableException;
import javax.resource.spi.work.*;
import javax.resource.spi.endpoint.*;
import java.lang.reflect.Method;
import com.sun.messaging.jmq.jmsclient.ConnectionMetaDataImpl;
import com.sun.messaging.jmq.jmsclient.MessageImpl;
import com.sun.messaging.jms.ra.api.JMSRAOnMessageRunner;
/**
* Runs a single message through an application server endpoint
*/
public class OnMessageRunner implements Work, JMSRAOnMessageRunner {
/** the id of this OnMessageRunner */
protected int omrId;
/** the message being processed */
private Message message;
/** the thread processing the message */
//private Thread omrThread;
/** The OnMessageRunnerPool this belongs to */
private OnMessageRunnerPool omrPool;
com.sun.messaging.jmq.jmsclient.MessageImpl mqmsg;
com.sun.messaging.jmq.jmsclient.SessionImpl mqsess;
private DirectPacket dpMsg = null;
private DirectSession ds = null;
/** The MessageEndpoint for this MessageListener instance */
private MessageEndpoint msgEndpoint = null;
/** The MessageEndpointFactory for this onMessageRunner instance */
private MessageEndpointFactory epFactory;
/** The EndpointConsumer for this onMessageRunner instance */
private EndpointConsumer epConsumer;
/** The ActivationSpec for this MessageListener instance */
private com.sun.messaging.jms.ra.ActivationSpec spec = null;
/** The XAResource for this MessageListener instance */
private com.sun.messaging.jmq.jmsclient.XAResourceForRA xar = null;
private DirectXAResource dxar = null;
private Object xarSyncObj = null;
/** The onMessage Method that this MessageListener instance will call */
private Method onMessage = null;
/** Whether delivery is transacted or not */
private boolean transactedDelivery = false;
/** Whether the endpoint acquired is valid or not */
private boolean endpointValid = false;
/** Whether running in Direct mode or not */
private boolean useDirect = false;
/* Loggers */
private static transient final String _className =
"com.sun.messaging.jms.ra.OnMessageRunner";
protected static transient final String _lgrNameInboundMessage =
"javax.resourceadapter.mqjmsra.inbound.message";
protected static transient final Logger _loggerIM =
Logger.getLogger(_lgrNameInboundMessage);
protected static transient final String _lgrMIDPrefix = "MQJMSRA_MR";
protected static transient final String _lgrMID_EET = _lgrMIDPrefix + "1001: ";
protected static transient final String _lgrMID_INF = _lgrMIDPrefix + "1101: ";
protected static transient final String _lgrMID_WRN = _lgrMIDPrefix + "2001: ";
protected static transient final String _lgrMID_ERR = _lgrMIDPrefix + "3001: ";
protected static transient final String _lgrMID_EXC = _lgrMIDPrefix + "4001: ";
/** Constructs an OnMessageRunner */
public OnMessageRunner(int omrId, OnMessageRunnerPool omrPool,
MessageEndpointFactory epFactory,
EndpointConsumer epConsumer,
ActivationSpec spec, boolean useDirect)
{
Object params[] = new Object[5];
params[0] = omrPool;
params[1] = epFactory;
params[2] = epConsumer;
params[3] = spec;
params[4] = new Boolean(useDirect);
_loggerIM.entering(_className, "constructor()", params);
this.omrId = omrId;
this.omrPool = omrPool;
this.epFactory = epFactory;
this.epConsumer = epConsumer;
this.spec = spec;
this.useDirect = useDirect;
if (useDirect) {
this.dxar = new DirectXAResource(epConsumer.getDirectSession().dc,
epConsumer.getDirectSession().jmsservice,
epConsumer.getDirectSession().connectionId);
//Flag that the XAResource is used for an MDB
this.dxar._setUsedByMDB(true);
} else {
while (xar == null) {
try {
xar = new com.sun.messaging.jmq.jmsclient.XAResourceForRA(this, epConsumer.xac);
break;
} catch (JMSException jmse) {
_loggerIM.log(Level.INFO,_lgrMID_WRN +"Exception on XAResource creation-",jmse);
try {
Thread.sleep(2000);
} catch (Exception e) {
}
//System.err.println("MQRA:OMR:Running as non-transacted");
}
}
}
this.xarSyncObj = (useDirect ? this.dxar : this.xar);
////Acquire endpoint from epFactory here
onMessage = epConsumer.ra._getOnMessageMethod();
try {
transactedDelivery = epFactory.isDeliveryTransacted(onMessage);
} catch (java.lang.NoSuchMethodException nsme) {
//assume non-transactedDelivery
}
for (int i = 1; i < 6; i++ ) {
try {
//If it's not deactivated
if (epConsumer.deactivated != true) {
msgEndpoint = epFactory.createEndpoint(useDirect ? dxar : xar);
break;
}
} catch (UnavailableException ue) {
try {
_loggerIM.info(_lgrMID_INF +"createEndpoint-UnavailableException:Sleeping for:"+i*200);
Thread.sleep(i * 200);
} catch (InterruptedException ie) {
}
}
}
if (msgEndpoint == null) {
//Could not acquire - shut down delivery of messages in this session
_loggerIM.info(_lgrMID_INF +"Endpoint Unavailable:Marking OMR as invalid-omrId="+omrId+" for:"+spec.toString());
//_logger.log(Level.SEVERE, "MQRA:ML:Endpoint Unavailable:Shutting down delivery for "+spec.toString());
//mqmsg._getSession().closeFromRA();
//endpoint should be shutdown normally by AS via RA.endpointDeactivation()
return;
} else {
endpointValid = true;
}
}
public void release() {
//System.out.println("MQRA:OMR:release():tName="+Thread.currentThread().getName());
}
public void releaseEndpoint() {
//System.out.println("MQRA:OMR:releaseEndpoint():omrId="+omrId+" tName="+Thread.currentThread().getName());
if (msgEndpoint!= null) {
msgEndpoint.release();
}
}
public void invalidate() {
//System.out.println("MQRA:OMR:invalidateEndpoint():omrId="+omrId+" tName="+Thread.currentThread().getName());
endpointValid = false;
}
public void run() {
synchronized (this.xarSyncObj) {
boolean sendUndeliverableMsgsToDMQ = spec.getSendUndeliverableMsgsToDMQ();
if (!endpointValid) {
_loggerIM.fine(_lgrMID_INF +"run:msgEP invalid-Ack Undeliverable & remove OMR fr pool-omrId="+omrId+":msg="+mqmsg);
omrPool.removeOnMessageRunner(this);
try {
if (this.useDirect) {
//Acknowledge this message as DEAD
} else {
mqsess.acknowledgeUndeliverableFromRAEndpoint(mqmsg, xar, sendUndeliverableMsgsToDMQ);
}
} catch (JMSException jmse) {
_loggerIM.log(Level.WARNING,_lgrMID_WRN +"run:msgEP invalid:JMSException on Ack Undeliverable-",jmse);
}
return;
}
//System.err.println("MQRA:OMR:run:omrId="+omrId+" in thread name="+Thread.currentThread().getName()+" transacted="+transactedDelivery);
ClassLoader cl = spec.getContextClassLoader();
int exRedeliveryAttempts = spec.getEndpointExceptionRedeliveryAttempts();
int exRedeliveryInterval = spec.getEndpointExceptionRedeliveryInterval();
//Deliver message to msgEndpoint
boolean redeliver = true;
int msgRedeliveryCount = 0;
int retryCount = 0;
try {
if (this.useDirect) {
msgRedeliveryCount = dpMsg.getIntProperty(ConnectionMetaDataImpl.JMSXDeliveryCount);
dpMsg.setClientRetries(0);
} else {
msgRedeliveryCount = mqmsg.getIntProperty(ConnectionMetaDataImpl.JMSXDeliveryCount);
mqmsg.setClientRetries(0);
}
} catch (JMSException e) {}
int redeliveryCount = (msgRedeliveryCount > 1) ? (msgRedeliveryCount - 1) : 0;
while (redeliver == true) {
try {
if (transactedDelivery) {
//System.err.println("MQRA:OMR:run:beforeDelivery()");
msgEndpoint.beforeDelivery(onMessage);
}
try {
//System.out.println("MQRA:OMR:run:Delivering to onMessage()");
if (cl != null) {
//System.out.println("MQRA:OMR:run:Setting ContextClassLoader:"+cl.toString());
try {
Thread.currentThread().setContextClassLoader(cl);
} catch (Exception sccle) {
_loggerIM.log(Level.WARNING,_lgrMID_WRN +"run:Exception setting ContextClassLoader:",sccle);
}
}
//System.err.println("MQRA:OMR:run:Deliver Msg:JMSRedeliver="+message.getJMSRedelivered()+" Msg="+message.toString());
redeliveryCount++;
if (redeliveryCount > 1) {
if (this.useDirect) {
((DirectPacket) message).updateDeliveryCount(redeliveryCount);
} else {
((MessageImpl) message).updateDeliveryCount(redeliveryCount);
}
}
((javax.jms.MessageListener)msgEndpoint).onMessage(message);
redeliver = false;
//System.err.println("MQRA:OMR:run:Delivered successfully-Msg="+message.toString());
try {
if (this.useDirect) {
if (redeliveryCount > 1)
dpMsg.updateDeliveryCount(redeliveryCount);
//Acknowledge direct message
this.dpMsg._acknowledgeThisMessageForMDB(this.dxar);
this.dxar.setRollback(false, null);
} else {
if (redeliveryCount > 1)
mqmsg.updateDeliveryCount(redeliveryCount);
mqsess.acknowledgeFromRAEndpoint(mqmsg, xar);
//System.err.println("MQRA:OMR:run:Acknowledged successfully");
//System.err.println("MQRA:OMR:run:omrId="+omrId+" msg acknowledged-msg="+mqmsg.toString());
xar.setRollback(false, null);
}
} catch (JMSException jmse) {
_loggerIM.log(Level.WARNING,_lgrMID_WRN +"run:JMSException on message acknowledgement:Rolling back if in txn",jmse);
if (this.useDirect) {
this.dxar.setRollback(true, jmse);
} else {
xar.setRollback(true, jmse);
}
}
} catch (Exception rte) {
_loggerIM.log(Level.WARNING,_lgrMID_WRN +"run:Caught Exception from onMessage():Redelivering:",rte);
try {
retryCount++;
if (this.useDirect) {
dpMsg.setClientRetries(retryCount);
} else {
mqmsg.setClientRetries(retryCount);
}
message.setJMSRedelivered(true);
if(message instanceof BytesMessage){
((BytesMessage)message).reset();
} else if (message instanceof StreamMessage) {
((StreamMessage)message).reset();
}
} catch (Exception jmsesr) {
_loggerIM.log(Level.WARNING,_lgrMID_WRN +"run:Exception on setJMSRedelivered():",jmsesr);
}
if (exRedeliveryAttempts > 0) {
try {
//System.out.println("MQRA:OMR:run:RedeliverInterval-start");
Thread.sleep(exRedeliveryInterval);
//System.out.println("MQRA:OMR:run:RedeliverInterval-stop");
} catch (InterruptedException ie) {
//System.out.println("MQRA:OMR:run:RedeliverInterval-interrupted");
}
exRedeliveryAttempts -= 1;
} else {
_loggerIM.fine(_lgrMID_INF +"run:Exhausted redeliveryAttempts-msg="+message.toString());
_loggerIM.fine(_lgrMID_INF +"run:Exhausted redeliveryAttempts-spec="+spec.toString());
//if (false) { //ackSendToDMQ not tested - disabling for alpha
if (sendUndeliverableMsgsToDMQ) {
_loggerIM.info(_lgrMID_INF +"run:Message returned & marked for routing to the DMQ");
} else {
_loggerIM.info(_lgrMID_INF +"run:Message returned & marked for redelivery by the broker");
}
try {
if (this.useDirect){
this.dpMsg._acknowledgeThisMessageAsDeadForMDB(this.dxar);
_loggerIM.fine(_lgrMID_INF +"run:omrId="+omrId+":Acked Undeliverable-Msg="+dpMsg.toString());
} else {
mqsess.acknowledgeUndeliverableFromRAEndpoint(mqmsg, xar, sendUndeliverableMsgsToDMQ);
_loggerIM.fine(_lgrMID_INF +":OMR:run:omrId="+omrId+":Acked Undeliverable-Msg="+mqmsg.toString());
}
} catch (JMSException jmse) {
_loggerIM.log(Level.WARNING,_lgrMID_WRN +"run:JMSException on Acked Undeliverable-",jmse);
}
redeliver = false;
}
}
if (transactedDelivery) {
//System.err.println("MQRA:OMR:run:afterDelivery()");
msgEndpoint.afterDelivery();
}
} catch (Throwable t) {
_loggerIM.log(Level.WARNING,_lgrMID_WRN +"run:onMessage caught Throwable-before/on/afterDelivery:Class="
+t.getClass().getName()
+"Msg="+t.getMessage(),t);
redeliver = false;
}
}
message = null;
//System.out.println("MQRA:OMR: run:putting back omrId="+omrId);
omrPool.putOnMessageRunner(this);
}
}
public boolean equals(Object other) {
if (other instanceof OnMessageRunner) {
if (omrId == ((OnMessageRunner)other).getId()) {
return true;
} else {
return false;
}
} else {
return false;
}
}
public int hashCode() {
return omrId;
}
public void onMessage(Message msg) {
if (this.useDirect) {
// RADIRECT
this.message = msg;
this.dpMsg = (DirectPacket)message;
this.ds = (DirectSession)epConsumer.getDirectSession();
//mqmsg._setConsumerInRA();
//System.out.println("MQRA:OMR:onMessage():starting Work on omrId="+omrId);
try {
epConsumer.ra.workMgr.scheduleWork(this);
} catch (WorkException we) {
_loggerIM.log(Level.INFO,_lgrMID_INF +"onMessage:WorkException-"+we.getMessage()+" on omrId="+omrId,we);
}
} else {
// LOCAL, REMOTE, APIDIRECT
//System.err.println("MQRA:OMR:onMessage()");
message = msg;
mqmsg = (com.sun.messaging.jmq.jmsclient.MessageImpl)message;
mqsess = (com.sun.messaging.jmq.jmsclient.SessionImpl)epConsumer.getXASession();
mqmsg._setConsumerInRA();
//System.out.println("MQRA:OMR:onMessage():starting Work on omrId="+omrId);
try {
epConsumer.ra.workMgr.startWork(this);
} catch (WorkException we) {
_loggerIM.log(Level.INFO,_lgrMID_INF +"onMessage:WorkException-"+we.getMessage()+" on omrId="+omrId,we);;
}
////////Replaced with Work above
//omrThread = new Thread(this);
//omrThread.setName("imqOnMessageRunner-Id#"+omrId);
//
//omrThread.start();
////////
}
}
public int getId() {
return omrId;
}
public boolean isValid() {
return endpointValid;
}
public EndpointConsumer getEndpointConsumer() {
return this.epConsumer;
}
}
