Examples of org.exist.storage.BrokerPool$StatusReporter

org.exist.storage.BrokerPool
This class controls all available instances of the database. Use it to configure, start and stop database instances. You may have multiple instances defined, each using its own configuration. To define multiple instances, pass an identification string to {@link #configure(String,int,int,Configuration)}and use {@link #getInstance(String)} to retrieve an instance. @author Wolfgang Meier @author Pierrick Brihaye

        final MemTreeBuilder builder = context.getDocumentBuilder();


        builder.startDocument();
        builder.startElement( new QName( "jobs", NAMESPACE_URI, PREFIX ), null );


        final BrokerPool brokerPool = context.getBroker().getBrokerPool();
    final ProcessMonitor monitor = brokerPool.getProcessMonitor();
        final ProcessMonitor.JobInfo[] jobs = monitor.runningJobs();
        for (int i = 0; i < jobs.length; i++) {
            final Thread process = jobs[i].getThread();
      final Date startDate = new Date(jobs[i].getStartTime());
            builder.startElement( new QName( "job", NAMESPACE_URI, PREFIX ), null);

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          delay = ((NumericValue)args[0].itemAt(0)).getLong();
        }
      }
      
      //get the broker pool and shutdown
      final BrokerPool pool = context.getBroker().getBrokerPool();
        
      if(delay > 0)
      {
        logger.info("Shuttting down in " + delay + " milliseconds.");
        final TimerTask task = new DelayedShutdownTask(pool);
        final Timer timer = new Timer();
        timer.schedule(task, delay);
      }
      else
      {
        logger.info("Shutting down now.");
        pool.shutdown();
      }
    }
    else
    {
      final XPathException xPathException = new XPathException(this, "Permission denied, calling user '" + context.getSubject().getName() + "' must be a DBA to shutdown the database");

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    final String node1NodeId = storedNode1.getNodeId().toString();
    String node2NodeId = "-1";
    if (! (node2 == null))
      {node2NodeId = storedNode2.getNodeId().toString();}
    final DocumentImpl docImpl = (DocumentImpl) node1.getOwnerDocument();
    BrokerPool brokerPool = null;
    DBBroker dbBroker = null;
    final StringBuilder resultFragment = new StringBuilder("");
    String actualNodeId = "-2";
    boolean getFragmentMode = false;
    try {
      brokerPool = docImpl.getBrokerPool();
      dbBroker = brokerPool.get(null);
      EmbeddedXMLStreamReader reader = null;
      final NodeList children = docImpl.getChildNodes();
      for (int i = 0; i < children.getLength(); i++) {
        final StoredNode docChildStoredNode = (StoredNode) children.item(i);
        final int docChildStoredNodeType = docChildStoredNode.getNodeType();
        reader = dbBroker.getXMLStreamReader(docChildStoredNode, false);
        while (reader.hasNext() && ! node2NodeId.equals(actualNodeId) && docChildStoredNodeType != Node.PROCESSING_INSTRUCTION_NODE && docChildStoredNodeType != Node.COMMENT_NODE) {
          final int status = reader.next();
          switch (status) {
            case XMLStreamReader.START_DOCUMENT:
            case XMLStreamReader.END_DOCUMENT:
              break;
            case XMLStreamReader.START_ELEMENT :
              actualNodeId = reader.getNode().getNodeId().toString();
              if (actualNodeId.equals(node1NodeId)) 
                {getFragmentMode = true;}
              if (actualNodeId.equals(node2NodeId)) 
                {getFragmentMode = false;}
              if (getFragmentMode) {
                final String startElementTag = getStartElementTag(reader);
                resultFragment.append(startElementTag);
              }
              break;
            case XMLStreamReader.END_ELEMENT :
              if (getFragmentMode) {
                final String endElementTag = getEndElementTag(reader);
                resultFragment.append(endElementTag);
              }
              break;
            case XMLStreamReader.CHARACTERS :
              if (getFragmentMode) {
                final String characters = getCharacters(reader);
                resultFragment.append(characters);
              }
              break;
            case XMLStreamReader.CDATA :
              if (getFragmentMode) {
                final String cdata = getCDataTag(reader);
                resultFragment.append(cdata);
              }
              break;
            case XMLStreamReader.COMMENT :
              if (getFragmentMode) {
                final String comment = getCommentTag(reader);
                resultFragment.append(comment);
              }
              break;
            case XMLStreamReader.PROCESSING_INSTRUCTION :
              if (getFragmentMode) {
                final String piTag = getPITag(reader);
                resultFragment.append(piTag);
              }
              break;
          }
        }
      }
    } catch (final EXistException e) {
      throw new XPathException(this, "An error occurred while getFragmentBetween: " + e.getMessage(), e);
    } catch (final XMLStreamException e) {
      throw new XPathException(this, "An error occurred while getFragmentBetween: " + e.getMessage(), e);
    } catch (final IOException e) {
      throw new XPathException(this, "An error occurred while getFragmentBetween: " + e.getMessage(), e);
    } finally {
      if (brokerPool != null)
        {brokerPool.release(dbBroker);}  
    }
    return resultFragment;
  }

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            if (obj == null) {
                return null;
            }


            if (obj instanceof LifeCycle) {
                BrokerPool db = null;
                
                try {
                    db = BrokerPool.getInstance();
                } catch (final EXistException e) {
                    //ignore if database is starting-up
                    //TODO: add to BrokerPool static list to activate when ready
                }
                
                if (db != null) {
                    DBBroker broker = null;
                    try {
                        broker = db.get(null);
                        ((LifeCycle) obj).start(broker);
                        
                    } finally {
                        db.release(broker);
                    }
                }
                
            }
            return obj;

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        hotConfigs.put(key, conf);
        return conf;
    }


    public static DocumentAtExist save(final Configurable instance, final XmldbURI uri) throws IOException {
        BrokerPool database;
        try {
            database = BrokerPool.getInstance();
            
        } catch (final EXistException e) {
            throw new IOException(e);
        }
        
        DBBroker broker = null;
        try {
            broker = database.get(null);


            return save(broker, instance, uri);


        } catch (final EXistException e) {
            throw new IOException(e);
            
        } finally {
            database.release(broker);
        }
    }

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        if (data == null || data.length() == 0) {
            return null;
        }
        
        FullXmldbURI fullURI = null;
        final BrokerPool pool = broker.getBrokerPool();
        final TransactionManager transact = pool.getTransactionManager();
        Txn txn = null;
        LOG.info("Storing configuration " + collection.getURI() + "/" + uri);
        final Subject currentUser = broker.getSubject();
        
        try {
            broker.setSubject(pool.getSecurityManager().getSystemSubject());
            txn = transact.beginTransaction();
            txn.acquireLock(collection.getLock(), Lock.WRITE_LOCK);
            final IndexInfo info = collection.validateXMLResource(txn, broker, uri, data);
            final DocumentImpl doc = info.getDocument();
            doc.getMetadata().setMimeType(MimeType.XML_TYPE.getName());

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            } else {
                throw new XMLDBException(ErrorCodes.COLLECTION_CLOSED, "Local database server is not running");
            }
        }
        
        BrokerPool pool;
        try {
            pool = BrokerPool.getInstance(xmldbURI.getInstanceName());
        } catch (final EXistException e) {
            throw new XMLDBException( ErrorCodes.VENDOR_ERROR, "Can not access to local database instance", e);
        }

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          logger.info("Entering the " + SystemModule.PREFIX + ":trace XQuery function");
            context.getProfiler().reset();
            final MemTreeBuilder builder = context.getDocumentBuilder();


            builder.startDocument();
            final BrokerPool brokerPool = context.getBroker().getBrokerPool();
            brokerPool.getPerformanceStats().toXML(builder);
            builder.endDocument();
          logger.info("Exiting " + SystemModule.PREFIX + ":" + getName().getLocalName());
            return (NodeValue)builder.getDocument().getDocumentElement();
        }
      logger.info("Exiting " + SystemModule.PREFIX + ":" + getName().getLocalName());

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            throw new XPathException("New mime-type must be a " + currentMimeType.getXMLDBType() + " mime-type");
        }


        // At this moment it is possible to update the mimetype
        final DBBroker broker = context.getBroker();
        final BrokerPool brokerPool = broker.getBrokerPool();


        DocumentImpl doc = null;
        final TransactionManager txnManager = brokerPool.getTransactionManager();
        final Txn txn = txnManager.beginTransaction();


        try {
            // relative collection Path: add the current base URI
            pathUri = context.getBaseURI().toXmldbURI().resolveCollectionPath(pathUri);

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        final MemTreeBuilder builder = context.getDocumentBuilder();


        builder.startDocument();
        builder.startElement( new QName( "jobs", NAMESPACE_URI, PREFIX ), null );


        final BrokerPool brokerPool = context.getBroker().getBrokerPool();
        logger.trace("brokerPool = " + brokerPool.toString());
        
        if( brokerPool != null ) {
            final org.exist.scheduler.Scheduler existScheduler = brokerPool.getScheduler();
            
            if( existScheduler != null ) {
                final List<ScheduledJobInfo> scheduledJobsInfo = existScheduler.getScheduledJobs();
                final ScheduledJobInfo[] executingJobsInfo = existScheduler.getExecutingJobs();

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