mq5.0-source.main.mq-client.src.main.java.com.sun.messaging.jmq.jmsclient.JMSXAWrappedTopicConnectionImpl Maven / Gradle / Ivy
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/*
* @(#)JMSXAWrappedTopicConnectionImpl.java 1.4 06/27/07
*/
package com.sun.messaging.jmq.jmsclient;
import javax.jms.*;
import java.util.Vector;
import com.sun.jms.spi.xa.*;
/** An XAConnection is an active connection to a JMS provider.
* A client uses an XAConnection to create one or more XASessions
* for producing and consuming messages.
*
* @see javax.jms.XAConnectionFactory
* @see javax.jms.XAConnection
*/
public class JMSXAWrappedTopicConnectionImpl implements JMSXATopicConnection {
private final static boolean debug = JMSXAWrappedConnectionFactoryImpl.debug;
private Connection wrapped_connection;;
private JMSXAWrappedConnectionFactoryImpl wcf_ = null;;
private String username_ = null;
private String password_ = null;
private Vector sessions_ = new Vector();
private boolean markClosed_ = false;
private boolean closed_ = false;
/** private constructor - disallow null constructor */
private JMSXAWrappedTopicConnectionImpl() {}
public JMSXAWrappedTopicConnectionImpl(TopicConnection tconn,
JMSXAWrappedConnectionFactoryImpl wcf,
String username, String password) throws JMSException {
wrapped_connection = tconn;
this.wcf_ = wcf;
this.username_ = username;
this.password_ = password;
}
/**
* Create an XATopicSession
*
* @param transacted ignored.
* @param acknowledgeMode ignored.
*
* @return a newly created XA topic session.
*
* @exception JMSException if JMS Connection fails to create a
* XA topic session due to some internal error.
*/
public JMSXATopicSession createXATopicSession(boolean transacted,
int acknowledgeMode) throws JMSException {
synchronized(sessions_) {
if (closed_) {
throw new javax.jms.IllegalStateException("JMSXWrapped Connection has been closed");
}
if (markClosed_) {
throw new javax.jms.IllegalStateException("JMSXAWrapped Connection is closed");
}
JMSXATopicSession s = (new JMSXAWrappedTopicSessionImpl(
(TopicConnection)wrapped_connection,
transacted, acknowledgeMode, this));
if (((JMSXAWrappedTopicSessionImpl)s).delaySessionClose()) sessions_.add(s);
return s;
}
}
/**
* get a TopicConnection associated with this XAConnection object.
*
* @return a TopicConnection.
*/
public TopicConnection getTopicConnection() {
return (TopicConnection) wrapped_connection;
}
public void close() throws JMSException {
dlog("closing "+wrapped_connection+" "+wrapped_connection.getClass().getName());
synchronized(sessions_) {
if (sessions_.isEmpty()) {
closed_ = true;
} else {
markClosed_ = true;
}
}
if (closed_) {
hardClose();
}
}
private void hardClose() throws JMSException {
dlog("hard closing "+wrapped_connection+" "+wrapped_connection.getClass().getName());
wrapped_connection.close();
closed_ = true;
dlog("hard closed "+wrapped_connection+" "+wrapped_connection.getClass().getName());
}
protected void removeSession(JMSXAWrappedTopicSessionImpl s) {
synchronized(sessions_) {
sessions_.remove(s);
if (sessions_.isEmpty() && markClosed_) {
dlog("All sessions closed, hard close connection "
+wrapped_connection+" "+wrapped_connection.getClass().getName());
closed_ = true;
}
}
if (closed_) {
try {
hardClose();
} catch (JMSException e) {
log("Warning:", e);
}
}
}
protected JMSXAConnectionFactory getJMSXAWrappedConnectionFactory() {
return wcf_;
}
protected String getUsername() {
return username_;
}
protected String getPassword() {
return password_;
}
private final static void dlog(String msg) {
if (debug) log("Info:", msg);
}
private final static void dlogStack(Exception e) {
if (debug) e.printStackTrace();
}
private final static void log(String level, Exception e) {
log(level, e.getMessage());
e.printStackTrace();
}
private final static void log(String level, String msg) {
System.out.println(level+ " "+"JMSXAWrappedTopicConnectionImpl: " + msg);
}
}