Examples of org.xmlBlaster.client.I_Callback

org.xmlBlaster.client.I_Callback
ter.org/xmlBlaster/demo/HelloWorld3.java.html">HelloWorld8.java

               }


            });


         // We connect to xmlBlaster and register the callback handle:
         this.conRetQos = con.connect(connectQos, new I_Callback() {


            public String update(String cbSessionId, UpdateKey updateKey, byte[] content, UpdateQos updateQos) {
               if (log.isLoggable(Level.FINEST)) log.finest("UpdateKey.toString()=" + updateKey.toString());
               if (updateKey.isInternal()) {
                  log.severe("Receiving unexpected asynchronous internal message '" + updateKey.getOid() +
                                "' in default handler");
                  return "";
               }
               if (updateQos.isErased()) {
                  log.info("Message '" + updateKey.getOid() + "' is erased");
                  return "";
               }
               if (updateKey.getOid().equals("Banking"))
                  log.info("Receiving asynchronous message '" + updateKey.getOid() +
                               "' state=" + updateQos.getState() + " in default handler");
               else
                  log.severe("Receiving unexpected asynchronous message '" + updateKey.getOid() +
                                   "' in default handler");
               return "";
            }


         });  // Login to xmlBlaster, default handler for updates




         if (con.isAlive())
            log.info("Connected as " + connectQos.getUserId() + " to xmlBlaster: " + this.conRetQos.getSessionName());
         else
            log.info("Not connected to xmlBlaster, proceeding in fail save mode ...");




         SubscribeKey sk = new SubscribeKey(glob, "Banking");
         SubscribeQos sq = new SubscribeQos(glob);
         SubscribeReturnQos sr1 = con.subscribe(sk, sq);
         log.info("Subsrcibed with id " + sr1.getSubscriptionId());




         sk = new SubscribeKey(glob, "HelloWorld6");
         sq = new SubscribeQos(glob);
         SubscribeReturnQos sr2 = con.subscribe(sk, sq, new I_Callback() {
            public String update(String cbSessionId, UpdateKey updateKey, byte[] content, UpdateQos updateQos) {
               if (updateKey.getOid().equals("HelloWorld6"))
                  log.info("Receiving asynchronous message '" + updateKey.getOid() +
                           "' state=" + updateQos.getState() + " in HelloWorld6 handler");
               else

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         {  // setup the sender client ...
            sender = glob.getXmlBlasterAccess();


            ConnectQos qos = new ConnectQos(sender.getGlobal(), senderName, "secret");
            ConnectReturnQos conRetQos = sender.connect(qos, new I_Callback() {
               public String update(String cbSessionId, UpdateKey updateKey, byte[] content, UpdateQos updateQos) {
                  log.info("Receiving asynchronous message '" + updateKey.getOid() + "' in sender default handler" );
                  log.info("Received: " + updateKey.toXml() + "\n <content>" + new String(content) + "</content>" + updateQos.toXml());
                  return "";
               }
            });  // Login to xmlBlaster, default handler for updates


            log.info("Sender connected to xmlBlaster " + conRetQos.getSessionName().getRelativeName());
         }




         {  // setup the receiver client ...
            Global globReceiver = glob.getClone(null);
            receiver = globReceiver.getXmlBlasterAccess();


            ConnectQos qos = new ConnectQos(receiver.getGlobal(), receiverName, "secret");
            ConnectReturnQos conRetQos = receiver.connect(qos, new I_Callback() {
               public String update(String cbSessionId, UpdateKey updateKey, byte[] content, UpdateQos updateQos) {
                  log.info("Receiving asynchronous message '" + updateKey.getOid() + "' in receiver default handler");
                  log.info("Received: " + updateKey.toXml() + "\n <content>" + new String(content) + "</content>" + updateQos.toXml());


                  if (updateKey.isInternal()) return "";

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            });




         ConnectQos qos = new ConnectQos(glob);
         conRetQos = con.connect(qos, new I_Callback() {


            public String update(String cbSessionId, UpdateKey updateKey, byte[] content, UpdateQos updateQos) {
               if (log.isLoggable(Level.FINEST)) log.finest("UpdateKey.toString()=" + updateKey.toString() +
                                          "UpdateQos.toString()=" + updateQos.toString());
               if (updateKey.isInternal()) {

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         sk = new SubscribeKey(glob, "HelloWorld4");
         sq = new SubscribeQos(glob);
         sq.setWantInitialUpdate(false);
         con.subscribe(sk, sq, new I_Callback() {
            public String update(String cbSessionId, UpdateKey updateKey, byte[] content, UpdateQos updateQos) {
               if (updateKey.getOid().equals("HelloWorld4"))
                  log.info("Receiving asynchronous message '" + updateKey.getOid() +
                           "' state=" + updateQos.getState() + " in HelloWorld4 handler");
               else

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               String key = (String)it.next();
               qos.addClientProperty(key, connectQosClientPropertyMap.get(key).toString());
            }
         }
         log.info("ConnectQos is " + qos.toXml());
         ConnectReturnQos crq = con.connect(qos, new I_Callback() {
      public String update(String cbSessionId, UpdateKey updateKey, byte[] content, UpdateQos updateQos) throws XmlBlasterException {
        try {
          log.info("Received '" + updateKey.getOid() + "':" + new String(content, "UTF-8"));
        } catch (UnsupportedEncodingException e) {
          log.severe("Update failed: " + e.toString());

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               tmpQos.addCallbackAddress(cbAddress);
               tmpQos.setPersistent(true);
               glob.getXmlBlasterAccess().setServerNodeId(getId());
               log.info("Creating temporary session " + sessionName.getRelativeName() + " until real cluster node "
                     + glob.getXmlBlasterAccess().getServerNodeId() + " arrives");
               glob.getXmlBlasterAccess().connect(tmpQos, new I_Callback() {
                  public String update(String cbSessionId, UpdateKey updateKey,
                        byte[] content, UpdateQos updateQos)
                        throws XmlBlasterException {
                     return null;
                  }

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      }
      try {
         this.connection = new XmlBlasterAccess(this.global);


         if (this.doConnect) {
            this.connection.connect(this.connectQos, new I_Callback() {
               public String update(String cbSessionId, UpdateKey updateKey, byte[] content, UpdateQos updateQos) {
                  log.warning("Ignoring received message '" + updateKey.getOid() + "'");
                  return Constants.RET_OK;
               }
            });

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            boolean implicitConnect = !MethodName.CONNECT.equals(methodName);
            if (implicitConnect && !this.allowImplicitConnect)
              throw new XmlBlasterException(glob, ErrorCode.USER_CLIENTCODE, ME, "Please provide an initial connect string or set -xmlBlaster/XmlScript/allowImplicitConnect true", null);
            // if (this.qos.length() < 1) this.qos.append("<qos />");
            String ret = null;
            I_Callback cb = null;
            if (this.callback != null) cb = this; // we intercept callbacks
            if (implicitConnect || this.qos.length() < 1) {
               log.warning("Doing implicit xmlBlaster.connect() as no valid <connect/> markup is in the script");
               ConnectQos connectQos = new ConnectQos(this.glob);
               ret = this.access.connect(connectQos, cb).toXml();

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      try {
         log.info("Connecting ...");
         con1 = glob1.getXmlBlasterAccess();
         ConnectQos qos = new ConnectQos(glob1, name1, "secret");
         assertInUpdate = null;
         con1.connect(qos, new I_Callback() {  // Login to xmlBlaster, register for updates
               public String update(String cbSessionId, UpdateKey updateKey, byte[] content, UpdateQos updateQos) {
                  log.info("****** Con1 update arrived" + updateKey.toXml() + updateQos.toXml());
                  assertInUpdate = glob1.getId() + ": Did not expect message update in first handler";
                  fail(assertInUpdate); // This is routed to server, not to junit
                  return "";
               }
            });


         SubscribeKey sk = new SubscribeKey(glob1, oid);
         SubscribeQos sq = new SubscribeQos(glob1);
         con1.subscribe(sk.toXml(), sq.toXml());


         try { Thread.sleep(1000); } catch( InterruptedException i) {} // Wait some time
         assertTrue(assertInUpdate, assertInUpdate == null);


         Client.shutdownCb(con1, Client.Shutdown.LEAVE_SERVER);
         log.info("############ Con1 is down");


         assertInUpdate = null;
         con2 = glob2.getXmlBlasterAccess();
         qos = new ConnectQos(glob2);  // force a new session
         con2.connect(qos, new I_Callback() {  // Login to xmlBlaster, register for updates
               public String update(String cbSessionId, UpdateKey updateKey, byte[] content, UpdateQos updateQos) {
                  log.info("****** Con2 update arrived" + updateKey.toXml() + updateQos.toXml());
                  assertInUpdate = glob2.getId() + "Reveiving asynchronous message '" + updateKey.getOid() + "' in second handler";
                  log.info(assertInUpdate);
                  return "";
               }
            });


         sk = new SubscribeKey(glob2, oid);
         sq = new SubscribeQos(glob2);
         con2.subscribe(sk.toXml(), sq.toXml());


         sk = new SubscribeKey(glob2, Constants.OID_DEAD_LETTER);
         sq = new SubscribeQos(glob2);
         con2.subscribe(sk.toXml(), sq.toXml(), new I_Callback() {
            public String update(String cbSessionId, UpdateKey updateKey, byte[] content, UpdateQos updateQos) {
               deadMessageCounter++;
               log.info("****** Reveiving asynchronous message '" + updateKey.getOid() + "' in deadMessage handler, content=" + new String(content));
               assertEquals("No dead letter received", Constants.OID_DEAD_LETTER, updateKey.getOid());
               return "";

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      Client pub = doConnect("publisher", null);
      doPublish(pub.con);
      doPublish(pub.con);


      log.info("STEP3: Start subscriber and subscribe and block in callback");
      Client sub1 = doConnect("subscribe/1", new I_Callback() {
         public String update(String cbSessionId, UpdateKey updateKey, byte[] content, UpdateQos updateQos) throws XmlBlasterException {
            log.info("Receiving update of a message oid=" + updateKey.getOid() +
                           " priority=" + updateQos.getPriority() +
                           " state=" + updateQos.getState() +
                           " we are going to sleep and don't return control to server");

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