Examples of org.xmlBlaster.contrib.I_Info

org.xmlBlaster.contrib.I_Info
Hides configuration parameters and passes common objects.
To embed the DbWatcher into your project you need to write a plugin which implements this interface and forwards all calls to you configuration framework.
@author Marcel Ruff

    * 
    * @param replId
    * @param info These are the Configuration of the DbWatcher, for example Table Names and so forth.
    */
   public synchronized void register(String senderSession, String replicationPrefix, I_Info info) {
      I_Info oldInfo = (I_Info)this.replications.get(replicationPrefix);
      info.put(SENDER_SESSION, senderSession);
      String topicName = info.get("mom.topicName", null);
      if (topicName == null)
         log.severe("Topic name not found for '" + replicationPrefix + "' can not map the topic to the replication prefix");
      else {
         this.topicToPrefixMap.put(topicName, replicationPrefix);


         String name = "replication." + replicationPrefix + ".replData";
         long[] replData = readOldReplData(this.persistentInfo, name);
         this.counterMap.put(replicationPrefix, new Counter(replData));
      }
      
      if (oldInfo != null) {
         log.info("register '" + replicationPrefix + "' by senderSession='" + senderSession + "'");
         String oldSenderSession = oldInfo.get(SENDER_SESSION, senderSession);
         if (oldSenderSession.equals(senderSession)) {
            log.info("register '" + replicationPrefix + "' by senderSession='" + senderSession + "' will overwrite old registration done previously");
            this.replications.put(replicationPrefix, info);
         }
         else {

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         log.severe("The initialDataTopic for replication '" + replicationPrefix + "' was null"); // should never happen
      this.cachedListOfReplications = null; // clear the cache
   }
   
   public synchronized void unregister(String senderSession, String replicationPrefix) {
      I_Info oldInfo = (I_Info)this.replications.get(replicationPrefix);
      if (oldInfo == null)
         log.info("unregister '" + replicationPrefix + "' by senderSession='" + senderSession + "' is ignored since there is no such registration done");
      else {
         log.info("unregister '" + replicationPrefix + "' by senderSession='" + senderSession + "'");
         /*
         if (log.isLoggable(Level.FINE)) {
            log.fine("unregister '" + replId + "' by senderSession='" + senderSession + "' the stack trace is:");
            Thread.dumpStack();
         }
         */
         String oldSenderSession = oldInfo.get(SENDER_SESSION, senderSession);
         if (oldSenderSession.equals(senderSession)) {
            this.replications.remove(replicationPrefix);
         }
         else {
            log.warning("unregister '" + replicationPrefix + "' by senderSession='" + senderSession + "' was not done since there is a registration done by '" + oldSenderSession + "'. Please do it with the correct Session");
         }
         String topicName = oldInfo.get("mom.topicName", null);
         if (topicName != null) {
            this.topicToPrefixMap.remove(topicName);
            this.counterMap.remove(replicationPrefix);
         }
      }
      String initialDataTopic = oldInfo.get("replication.initialDataTopic", "replication.initialData");
      if (initialDataTopic != null)
         this.initialDataTopicSet.remove(initialDataTopic);
      else
         log.severe("The initialDataTopic for replication '" + replicationPrefix + "' was null"); // should never happen
      this.cachedListOfReplications = null; // clear the cache

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      if (replicationPrefix == null)
         throw new Exception("executeSql: the replication id is null. Can not perform it.");
      if (sql == null)
         throw new Exception("executeSql: the sql statement to perform on  '" + replicationPrefix + "' is null. Can not perform it.");


      I_Info individualInfo = (I_Info)this.replications.get(replicationPrefix);
      if (individualInfo == null)
         throw new Exception("executeSql: the replication with Id='" + replicationPrefix + "' was not found (has not been registered). Allowed ones are : " + getReplications());
      
      log.info("Sending Broadcast request for repl='" + replicationPrefix + "' and statement='" + sql + "' and requestId='" + requestId + "'");
      String dbWatcherSessionId = individualInfo.get(SENDER_SESSION, null);
      registerSqlStatement(replicationPrefix, requestId, sql);
      
      log.info("Broadcasting sql statement '" + sql + "' for master '" + replicationPrefix + "'");
      I_XmlBlasterAccess conn = this.global.getXmlBlasterAccess();
      // no oid for this ptp message

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      // code for the DbWatchers here
      String replId = connQos.getData().getClientProperty(REPL_PREFIX_KEY, (String)null);
      if (replId == null || replId.length() < 1)
         log.fine("the client property '" + REPL_PREFIX_KEY + "' must be defined but is empty");
      else { // then it is a DbWatcher which is used for replication
         I_Info info = new ClientPropertiesInfo(connQos.getData().getClientProperties());
         String relativeName = e.getSessionInfo().getSessionName().getRelativeName();
         register(relativeName, replId, info);
      }
      // code for DbWatchers ends here

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   public final String recreateTriggers(String replPrefix) throws Exception {
      // sending the cancel op to the DbWatcher
      log.info("'will recreate triggers for source '" + replPrefix + "'");
      
      I_Info individualInfo = (I_Info)this.replications.get(replPrefix);
      if (individualInfo != null) {
         String dbWatcherSessionId = individualInfo.get(SENDER_SESSION, null);
         if (dbWatcherSessionId == null)
            throw new Exception("The replication source with replication.prefix='" +  replPrefix + "' had no '_senderSession' attribute set in its configuration");


         I_XmlBlasterAccess conn = this.global.getXmlBlasterAccess();
         PublishKey pubKey = new PublishKey(this.global, REQUEST_RECREATE_TRIGGERS);

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   private String publishSimpleMessage(String replicationPrefix, String msgTxt) {
      if (replicationPrefix == null)
         return "the replication id is null. Can not perform it.";


      I_Info individualInfo = (I_Info)this.replications.get(replicationPrefix);
      if (individualInfo == null)
         return "the replication with Id='" + replicationPrefix + "' was not found (has not been registered). Allowed ones are : " + getReplications();


      try {
         String dbWatcherSessionId = individualInfo.get(SENDER_SESSION, null);
         I_XmlBlasterAccess conn = this.global.getXmlBlasterAccess();
         // no oid for this ptp message 
         PublishKey pubKey = new PublishKey(this.global, SIMPLE_MESSAGE);
         Destination destination = new Destination(new SessionName(this.global, dbWatcherSessionId));
         destination.forceQueuing(true);

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         throw new Exception("prepareForRequest: no session '" + sessionId + "' found. Valid sessions for this user are '" + subject.getSessionList() + "'");
      return session;
   }
   
   public I_AdminSession getMasterSession(String replicationPrefix) throws Exception {
      I_Info masterInfo = getReplicationInfo(replicationPrefix);
      if (masterInfo == null)
         return null;
      String sessionId = masterInfo.get(DbWatcherConstants.MOM_LOGIN_NAME, null);
      if (sessionId == null)
         return null;
      return getSession(sessionId);
   }

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         else {
            System.err.println("Using properties file '" + propFile + "'");
            props = new Properties(System.getProperties());
            props.load(new FileInputStream(propFile));
         }
         I_Info info = new PropertiesInfo(props);
         
         boolean forceCreationAndInit = true;
         ReplicationConverter.getDbSpecific(info, forceCreationAndInit);
         
         SqlInfo sqlInfo = SqlInfo.getStructure(info);

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   }
   
   public static void main(String[] args) {
      try {
         I_DbPool pool = new DbPool();
         I_Info info = new PropertiesInfo(System.getProperties());
         String filename = info.get("file", null);
         if (filename == null) {
            System.out.println("usage: java -Dfile=someFile org.xmlBlaster.contrib.db.DbPool");
            System.exit(-1);
         }

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   }
   
   public static void main(String[] args) {
      try {
         I_DbPool pool = new DbPool();
         I_Info info = new PropertiesInfo(System.getProperties());
         String filename = info.get("file", null);
         if (filename == null) {
            System.out.println("usage: java -Dfile=someFile org.xmlBlaster.contrib.db.DbWaitingPool");
            System.exit(-1);
         }

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Related Classes of org.xmlBlaster.contrib.I_Info

org.xmlBlaster.contrib.db.DbPool

org.xmlBlaster.contrib.db.DbWaitingPool

org.xmlBlaster.contrib.dbwatcher.DbWatcher

org.xmlBlaster.contrib.dbwatcher.Example

org.xmlBlaster.contrib.dbwriter.DbWriter

org.xmlBlaster.contrib.dbwriter.DbWriterExample

org.xmlBlaster.contrib.dbwriter.info.SqlDescription

org.xmlBlaster.contrib.dbwriter.info.SqlInfo

org.xmlBlaster.contrib.dbwriter.SqlInfoParser

org.xmlBlaster.contrib.replication.impl.ReplManagerPlugin

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