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package com.sun.messaging.jms.ra;
import java.util.logging.Logger;
import javax.jms.Destination;
import javax.jms.JMSException;
import javax.jms.Message;
import javax.jms.Queue;
import javax.jms.Topic;
import com.sun.messaging.jmq.io.JMSPacket;
import com.sun.messaging.jmq.io.SysMessageID;
import com.sun.messaging.jmq.jmsclient.MQMessageConsumer;
import com.sun.messaging.jmq.jmsservice.JMSAck;
import com.sun.messaging.jmq.jmsservice.JMSService;
import com.sun.messaging.jmq.jmsservice.JMSServiceException;
import com.sun.messaging.jmq.jmsservice.JMSServiceReply;
import com.sun.messaging.jmq.jmsservice.ConsumerClosedNoDeliveryException;
/**
* DirectConsumer encapsulates JMS MessageConsumer behavior for MQ DIRECT mode
* operation.
*/
public class DirectConsumer
implements MQMessageConsumer,
javax.jms.QueueReceiver, javax.jms.TopicSubscriber,
com.sun.messaging.jmq.jmsservice.Consumer
{
/**
* The JMSService for this DirectConsumer
*/
private JMSService jmsservice;
/**
* The parent DirectSession that created this DirectConsumer
*/
private DirectSession ds;
/**
* The connectionId of the parent DirectConnection
*/
private long connectionId;
/**
* The sessionId of the parent DirectSession
*/
private long sessionId;
/**
* The consumerId for this DirectConsumer
*/
private long consumerId = 0L;
/**
* The JMS Destination that is associated with this DirectConsumer
*/
private Destination destination;
/**
* The JMSService Destination that is associated with this DirectConsumer
*/
private com.sun.messaging.jmq.jmsservice.Destination jmsservice_destination;
/**
* The JMS Message Selector that was used for this DirectConsumer
*/
private String msgSelector;
/**
* The Durable name associated with this DirectConsumer
* (if it is a Durable Consumer)
*/
private String durableName;
/**
* The clientId associated with this DirectConsumer (for durables only)
*/
private String clientId;
/**
* The JMS MessageListener associated with this DirectConsumer
*/
private javax.jms.MessageListener msgListener;
/**
*
*/
private boolean noLocal;
/**
* Holds the closed state of this DirectConsumer
*/
private boolean isClosed;
private boolean isClosing;
/**
* The last message which was seen by the application
*
* A message is considered to have been "seen" if a call to receive(), receive(timeout) or receiveNoWait()
* returned the message, or a call to receiveBody(c), receiveBody(c,timeout) or receiveBodyNoWait(c) returned
* its body.
*
* If receiveBody(c), receiveBody(c,timeout) or receiveBodyNoWait(c) throws a MessageFormatRuntimeException
* then the message is considered to have been "seen" unless the session mode was auto-ack or dups-ok mode.
*/
SysMessageID lastMessageSeen;
boolean lastMessageSeenInTransaction = false;
/**
* Logging
*/
private static transient final String _className =
"com.sun.messaging.jms.ra.DirectConsumer";
private static transient final String _lgrNameOutboundConnection =
"javax.resourceadapter.mqjmsra.outbound.connection";
private static transient final String _lgrNameJMSConsumer =
"javax.jms.MessageConsumer.mqjmsra";
private static transient final Logger _loggerOC =
Logger.getLogger(_lgrNameOutboundConnection);
private static transient final Logger _loggerJMC =
Logger.getLogger(_lgrNameJMSConsumer);
private static transient final String _lgrMIDPrefix = "MQJMSRA_DP";
private static transient final String _lgrMID_EET = _lgrMIDPrefix + "1001: ";
private static transient final String _lgrMID_INF = _lgrMIDPrefix + "1101: ";
private static transient final String _lgrMID_WRN = _lgrMIDPrefix + "2001: ";
private static transient final String _lgrMID_ERR = _lgrMIDPrefix + "3001: ";
private static transient final String _lgrMID_EXC = _lgrMIDPrefix + "4001: ";
/** Creates a new instance of DirectConsumer */
public DirectConsumer(DirectSession ds, JMSService jmsservice,
Destination destination,
com.sun.messaging.jmq.jmsservice.Destination jmsservice_dest,
boolean noLocal, String msgSelector, String durableName) {
Object params[] = new Object[7];
params[0] = ds;
params[1] = jmsservice;
params[2] = destination;
params[3] = jmsservice_dest;
params[4] = noLocal;
params[5] = msgSelector;
params[6] = durableName;
_loggerOC.entering(_className, "constructor()", params);
this.ds = ds;
this.jmsservice = jmsservice;
this.destination = destination;
this.jmsservice_destination = jmsservice_dest;
this.connectionId = ds.getConnectionId();
this.sessionId = ds.getSessionId();
this.msgSelector = msgSelector;
this.durableName = durableName;
this.clientId = ds.getConnection()._getClientID();
this.noLocal = noLocal;
}
/**
* @return the last message seen by the application
*/
private SysMessageID getLastMessageSeen() {
return lastMessageSeen;
}
private boolean getLastMessageSeenInTransaction() {
return lastMessageSeenInTransaction;
}
/**
* Set the last message seen by the application
*
* @param lastMessageSeen
*/
protected void setLastMessageSeen(SysMessageID lastMessageSeen) {
this.lastMessageSeen = lastMessageSeen;
this.lastMessageSeenInTransaction = this.ds.getTransactedNoCheck();
}
/////////////////////////////////////////////////////////////////////////
// methods that implement javax.jms.MessageConsumer
/////////////////////////////////////////////////////////////////////////
/**
* Close this MessageConsumer
*/
public synchronized void close()
throws JMSException {
_loggerJMC.fine(_lgrMID_INF+"consumerId="+consumerId+":"+"close()");
//harmless if already closed
if (isClosed){
return;
} else {
ds.removeConsumer(this);
if (this.durableName != null) {
this.ds.dc.removeDurableConsumer(this);
}
if (destination != null &&
(destination instanceof TemporaryDestination)) {
this.ds.dc._decrementTemporaryDestinationUsage(
(TemporaryDestination)destination);
}
this._close();
}
}
/**
* Return the JMS MessageListener set on this MessageConsumer
*/
public javax.jms.MessageListener getMessageListener()
throws JMSException{
this._checkIfClosed("getMessageListener()");
return this.msgListener;
}
/**
* Return the JMS Message Selector set on this MessageConsumer
*/
public String getMessageSelector()
throws JMSException{
this._checkIfClosed("getMessageSelector()");
return this.msgSelector;
}
/**
* Return the next JMS Message that is produced for this MessageConsumer
* blocking until that message arrives
*/
public Message receive()
throws JMSException{
String methodName = "receive()";
this._checkIfClosed(methodName);
return ds._fetchMessage(this, this.consumerId, 0L, methodName);
}
/**
* Return the next JMS Message that was produced for this MessageConsumer
* that arrives within a specified timeout interval.
*/
public Message receive(long timeout)
throws JMSException{
String methodName = "receive(timeout)";
this._checkIfClosed(methodName);
return this.ds._fetchMessage(this, this.consumerId, timeout, methodName);
}
/**
* Return the next JMS Message that was produced for this MessageConsumer
* if one is immediately available, without waiting.
*/
public Message receiveNoWait()
throws JMSException{
String methodName = "receiveNoWait()";
this._checkIfClosed(methodName);
return this.ds._fetchMessage(this, this.consumerId, -1L, methodName);
}
@Override
public T receiveBody(Class c) throws JMSException {
String methodName = "receiveBody(Class c)";
this._checkIfClosed(methodName);
return this.ds._fetchMessageBody(this, this.consumerId,0L,c,methodName);
}
@Override
public T receiveBody(Class c, long timeout) throws JMSException {
String methodName = "receiveBody(Class c, long timeout)";
this._checkIfClosed(methodName);
return this.ds._fetchMessageBody(this, this.consumerId,timeout,c,methodName);
}
@Override
public T receiveBodyNoWait(Class c) throws JMSException {
String methodName = "receiveBodyNoWait(Class c)";
this._checkIfClosed(methodName);
return this.ds._fetchMessageBody(this, this.consumerId,-1L,c,methodName);
}
/**
* Set a JMS MessageListener on this MessageConsumer
*/
public void setMessageListener(javax.jms.MessageListener msgListener)
throws JMSException{
String methodName = "setMessageListener()";
JMSServiceReply jmsReply = null;
_loggerJMC.fine(_lgrMID_INF+
"connectionId="+connectionId+":"+methodName +
"=" + msgListener);
this._checkIfClosed(methodName);
if (msgListener == null){
//The session is now in sync mode
this.msgListener = null;
this.ds._setAsync(false);
} else {
//The session is now in async mode
this.msgListener = msgListener;
this.ds._setAsync(true);
}
//Set this consumer async with the jmsservice
try {
jmsReply = this.jmsservice.setConsumerAsync(this.connectionId,
this.sessionId, this.consumerId,
(msgListener == null ? null : this));
} catch (JMSServiceException jse) {
JMSServiceReply.Status status = jse.getJMSServiceReply().getStatus();
String failure_cause;
switch (status) {
case NOT_FOUND:
failure_cause = "consumer not found.";
break;
default:
failure_cause = "unkown JMSService server error:" +
jse.getMessage();
}
String exerrmsg =
"setMessageListener on JMSService:" +
jmsservice.getJMSServiceID() +
" failed for connectionId:"+ connectionId +
", sessionId:" + sessionId +
", consumerId:" + consumerId +
" due to " + failure_cause;
_loggerJMC.severe(exerrmsg);
JMSException jmsse = new JMSException(exerrmsg);
jmsse.initCause(jse);
throw jmsse;
}
}
/////////////////////////////////////////////////////////////////////////
// end javax.jms.MessageConsumer
/////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////
// methods that implement javax.jms.QueueReceiver
/////////////////////////////////////////////////////////////////////////
/**
* Return the JMS Queue Associated with this QueueReceiver
*/
public Queue getQueue()
throws JMSException{
this._checkIfClosed("getQueue()");
if (destination instanceof javax.jms.Queue) {
return (Queue)this.destination;
} else {
String excMsg = _lgrMID_EXC + "getQueue():" +
"Invalid to Topic destination=" + this.destination;
_loggerJMC.warning(excMsg);
throw new JMSException(excMsg);
}
}
/////////////////////////////////////////////////////////////////////////
// end javax.jms.QueueReceiver
/////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////
// methods that implement javax.jms.TopicSubscriber
/////////////////////////////////////////////////////////////////////////
/**
* Return the JMS Topic Associated with this TopicSubscriber
*/
public Topic getTopic()
throws JMSException{
this._checkIfClosed("getTopic()");
if (destination instanceof javax.jms.Topic) {
return (Topic)this.destination;
} else {
String excMsg = _lgrMID_EXC + "getTopic():" +
"Invalid to Queue destination=" + this.destination;
_loggerJMC.warning(excMsg);
throw new JMSException(excMsg);
}
}
/**
* Return the NoLocal attribute for this TopicSubscriber
*/
public boolean getNoLocal()
throws JMSException{
this._checkIfClosed("getNoLocal()");
if (destination instanceof javax.jms.Queue) {
String excMsg = _lgrMID_EXC + "getNoLocal():" +
"Invalid on Queue destination=" + this.destination;
_loggerJMC.warning(excMsg);
throw new JMSException(excMsg);
}
return this.noLocal;
}
/////////////////////////////////////////////////////////////////////////
// end javax.jms.TopicSubscriber
/////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////
// methods implementing com.sun.messaging.jmq.jmsservice.Consumer
/////////////////////////////////////////////////////////////////////////
/**
* Deliver a JMSPacket to the JMS MessageListener endpoint
*/
public JMSAck deliver(JMSPacket jmsPacket)
throws ConsumerClosedNoDeliveryException {
//Delivery must be serialized at the session level
return this.ds._deliverMessage(this.msgListener, jmsPacket,
this.consumerId);
}
/////////////////////////////////////////////////////////////////////////
// end com.sun.messaging.jmq.jmsservice.Consumer
/////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////
// MQ methods
/////////////////////////////////////////////////////////////////////////
/**
* Set the consumerId after acquiring it from the JMSService
*/
protected synchronized void _setConsumerId(long consumerId){
if (this.consumerId != 0L) {
String wrnMsg = _lgrMID_WRN + "_setConsumerId():" +
"Attempt to reset Id of:"+this.consumerId+ ":to:"+
consumerId +":Ignoring.";
_loggerJMC.warning(wrnMsg);
} else {
this.consumerId = consumerId;
}
}
/**
* Return the connectionId for this DirectConsumer
*
* @return The connectionId
*/
public long getConnectionId() {
return this.connectionId;
}
/**
* Return the sessionId for this DirectConsumer
*
* @return The sessionId
*/
public long getSessionId() {
return this.sessionId;
}
/**
* Return the consumerId for this DirectConsumer
*
* @return The consumerId
*/
public long getConsumerId() {
return this.consumerId;
}
/**
* Return the durable name for this DirectConsumer
*
* @return The durable name
*/
public String getDurableName(){
return this.durableName;
}
/**
* Return the closed state of this DirectConsumer
*
* @return {@code true} if this consumer has been closed;
* {@code false} otherwise
*/
public synchronized boolean isClosed() {
return this.isClosed;
}
/**
* Check if the DirectConsumer is closed prior to performing an
* operation and throw a JMSException if it is closed.
*
* @param methodname The name of the method from which this check is called
*
* @throws JMSException if it is closed
*/
private void _checkIfClosed(String methodname)
throws JMSException {
if (isClosed()) {
String closedmsg = _lgrMID_EXC + methodname +
"MessageConsumer is closed:Id=" + consumerId;
_loggerJMC.warning(closedmsg);
throw new javax.jms.IllegalStateException(closedmsg);
}
}
/**
* Throw a JMSException with the appropriate message for unsupported
* operations.
*
* @param methodname The method name for which this unsupported
* exception is to be thrown.
*/
private void _unsupported(String methodname)
throws JMSException {
String unsupported = _lgrMID_WRN+
"consumerId="+consumerId+":"+methodname;
_loggerJMC.warning(unsupported);
throw new JMSException(unsupported);
}
/**
* Close consumer for use when used by session.clos()
*/
protected synchronized void _close()
throws JMSException {
//harmless if already closed
if (this.isClosed){
return;
} else {
this.isClosing = true;
//Anything ?
}
try {
//XXX:tharakan:only unsubscribe passes in the durableName
//pass null here
//System.out.println("DC:Destroying cnsumerId="+consumerId+":connectionId="+connectionId);
//jmsservice.deleteConsumer(connectionId, sessionId, consumerId, null, clientId);
jmsservice.deleteConsumer(connectionId, sessionId, consumerId,
getLastMessageSeen(), getLastMessageSeenInTransaction(), null, clientId);
} catch (JMSServiceException jmsse){
_loggerJMC.warning(_lgrMID_WRN+
"consumerId="+consumerId+":"+"close():"+
"JMSService.deleteConsumer():"+
"JMSServiceException="+
jmsse.getMessage());
}
this.isClosed = true;
this.isClosing = false;
}
/////////////////////////////////////////////////////////////////////////
// end MQ methods
/////////////////////////////////////////////////////////////////////////
}
