mq5.0-source.main.mq-jmsra.jmsra-ra.src.main.java.com.sun.messaging.jms.ra.DirectMessageListener Maven / Gradle / Ivy
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package com.sun.messaging.jms.ra;
import java.lang.reflect.Method;
import java.util.logging.Logger;
import javax.jms.JMSException;
import javax.resource.ResourceException;
import javax.resource.spi.UnavailableException;
import javax.resource.spi.endpoint.MessageEndpoint;
import javax.resource.spi.endpoint.MessageEndpointFactory;
/**
*
*/
public class DirectMessageListener
implements javax.jms.MessageListener {
/**
* MessageListener instance data
*/
private DirectConnection dc;
private DirectSession ds;
private Method onMessageMethod;
private int dMLId = -1;
private boolean isDeliveryTransacted = false;
private int maxRedeliverCount = 1;
private boolean noAckDelivery = false;
/** The MessageEndpoint for this DirectMessageListener */
private MessageEndpoint msgEndpoint = null;
/**
* The XAResource that handles XA transactions for this
* DirectMessageListener
*/
private DirectXAResource dxar = null;
/* Loggers */
private static transient final String _className =
"com.sun.messaging.jms.ra.DirectMessageListener";
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_DML";
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: ";
private static int idCounter = 0;
/** Creates a new instance of DirectMessageListener */
public DirectMessageListener(EndpointConsumer epConsumer,
MessageEndpointFactory epFactory, DirectConnection dc,
DirectSession ds, Method onMessageMethod,
boolean isDeliveryTransacted, int maxRedeliverCount,
boolean noAckDelivery)
{
Object params[] = new Object[8];
params[0] = epConsumer;
params[1] = epFactory;
params[2] = dc;
params[3] = ds;
params[4] = onMessageMethod;
params[5] = isDeliveryTransacted;
params[6] = maxRedeliverCount;
params[7] = noAckDelivery;
_loggerIM.entering(_className, "constructor()", params);
//System.out.println("MQRA:ML:Constructor()-omrp:min,max="+spec.getEndpointPoolSteadySize()+","+spec.getEndpointPoolMaxSize());
//this.epConsumer = epConsumer;
//this.epFactory = epFactory;
//this.spec = (com.sun.messaging.jms.ra.ActivationSpec)spec;
this.dc = dc;
this.ds = ds;
this.onMessageMethod = onMessageMethod;
this.isDeliveryTransacted = isDeliveryTransacted;
this.maxRedeliverCount= maxRedeliverCount;
this.noAckDelivery = noAckDelivery;
this.dxar = new DirectXAResource(this.dc, this.dc._getJMSService(),
this.dc.getConnectionId());
this.dxar._setUsedByMDB(true);
try {
this.msgEndpoint = epFactory.createEndpoint(this.dxar);
} catch (UnavailableException ex) {
System.out.println("DirectMessageListener-Exception creating Endpoint:"
+ ex.getMessage());
ex.printStackTrace();
}
}
/**
*
*/
public void onMessage(javax.jms.Message jmsMsg) {
DirectPacket dpMsg = (DirectPacket)jmsMsg;
boolean delivered = false;
boolean acknowledged = false;
boolean redeliver = true;
int redeliverCount = 0;
while (redeliver == true){
if (this.isDeliveryTransacted) {
try {
this.msgEndpoint.beforeDelivery(this.onMessageMethod);
} catch (ResourceException ex) {
ex.printStackTrace();
} catch (NoSuchMethodException ex) {
ex.printStackTrace();
}
}
try {
((javax.jms.MessageListener)this.msgEndpoint).onMessage(jmsMsg);
delivered = true;
redeliver = false;
try {
dpMsg._acknowledgeThisMessageForMDB(this.dxar);
acknowledged = true;
this.dxar.setRollback(false, null);
} catch (JMSException ex) {
ex.printStackTrace();
}
} catch (Exception rte) {
//Here if onMessage threw any kind of Exception
if (redeliverCount > this.maxRedeliverCount){
//Turn off redelivery and set cause for rollback if in txn
redeliver = false;
this.dxar.setRollback(true, rte);
} else {
redeliverCount++;
}
}
if (this.isDeliveryTransacted) {
try {
this.msgEndpoint.afterDelivery();
} catch (ResourceException ex) {
ex.printStackTrace();
}
}
}
if (acknowledged != true){
//Need to acknowledge as Dead
}
}
}