Examples of com.dbxml.db.core.Collection

com.dbxml.db.core.Collection
Collection represents a collection of Documents. It maintains links to the filer storage implementation, the indexes, and any extensions or triggers that may be associated with the collection. The Collection class is the focal point of the direct API. Nearly all methods for accessing and managing documents, indexes, triggers, and extensions can be found in this class.

   public void toSAX(ContentHandler handler) throws QueryException {
      throw new NotSupportedException("Not implemented");
   }


   public DocumentTable toDocumentTable() throws QueryException {
      Collection col = rs.getCollection();
      TableBuilder tb;
      try {
         tb = new TableBuilder(col.getSymbols());
      }
      catch ( DBException e ) {
         throw new NotSupportedException(e);
      }


      tb.addEntry(Constants.OBJ_BEGIN_DOCUMENT);
      int rootID = tb.addEntry(Constants.OBJ_BEGIN_ELEMENT, QNAME_RESULTS);
      // Namespace
      int attrID = tb.addEntry(Constants.OBJ_BEGIN_ATTRIBUTE, QNAME_NSDEF);
      tb.addEntry(Constants.OBJ_TEXT, UTF8_URI);
      tb.addEntry(Constants.OBJ_END_ATTRIBUTE, attrID);
      // Collection
      attrID = tb.addEntry(Constants.OBJ_BEGIN_ATTRIBUTE, QNAME_COL);
      tb.addEntry(Constants.OBJ_TEXT, UTF8.toUTF8(col.getCanonicalName()));
      tb.addEntry(Constants.OBJ_END_ATTRIBUTE, attrID);


      int count = rs.getCount();
      if ( count != -1 ) {
         attrID = tb.addEntry(Constants.OBJ_BEGIN_ATTRIBUTE, QNAME_COUNT);
         tb.addEntry(Constants.OBJ_TEXT, UTF8.toUTF8(Integer.toString(count)));
         tb.addEntry(Constants.OBJ_END_ATTRIBUTE, attrID);
      }


      while ( rs.next() ) {
         Collection c = rs.getResultCollection();


         int resID = tb.addEntry(Constants.OBJ_BEGIN_ELEMENT, QNAME_RESULT);
         if ( c != col ) {
            // Alternate Collection
            attrID = tb.addEntry(Constants.OBJ_BEGIN_ATTRIBUTE, QNAME_COL);
            tb.addEntry(Constants.OBJ_TEXT, UTF8.toUTF8(c.getCanonicalName()));
            tb.addEntry(Constants.OBJ_END_ATTRIBUTE, attrID);
         }
         Key key = rs.getResultKey();
         if ( key != null && key.getLength() > 0 ) {
            // Key

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         sw.write(vals[i]);
   }


   public String toText() throws QueryException {
      try {
         Collection col = rs.getCollection();


         StringWriter sw = new StringWriter(1024);
         sw.write(RESULTS_START);
         writeStrings(sw, new String[]{" ", COL, "=\"", col.getCanonicalName(), "\""});
         int count = rs.getCount();
         if ( count != -1 )
            writeStrings(sw, new String[]{" ", COUNT, "=\"", Integer.toString(count), "\""});
         sw.write(">");


         while ( rs.next() ) {
            Collection c = rs.getResultCollection();
            sw.write(RESULT_START);
            if ( c != col )
               writeStrings(sw, new String[]{" ", COL, "=\"", c.getCanonicalName(), "\""});
            Key key = rs.getResultKey();
            if ( key != null && key.getLength() > 0 )
               writeStrings(sw, new String[]{" ", KEY, "=\"", key.toString(), "\""});
            sw.write(">");

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   public String getMachineID() {
      if ( machineID == null ) {
         Transaction tx = new Transaction();


         try {
            Collection sysCol = collection.getSystemCollection();
            Collection cfgCol = sysCol.getCollection(SystemCollection.CONFIGS);
        DOMAdapter domAdapter = new DOMAdapter(cfgCol);
        Document doc = domAdapter.getDocument(tx, SYNCID_XML);
            if ( doc != null ) {
               Element elem = doc.getDocumentElement();
               machineID = elem.getAttribute(ID);
            }
            else {
               machineID = cfgCol.createNewOID().toString();
               doc = DOMHelper.newDocument();
               Element elem = doc.createElement(SYNC);
               doc.appendChild(elem);
               elem.setAttribute(ID, machineID);
          domAdapter.setDocument(tx, SYNCID_XML, doc);

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    }
   }


   XMLSerializableAdapter getGroupsCollection() throws DBException {
      if ( groupsCol == null ) {
         Collection sysCol = getCollection().getSystemCollection();
         Collection metaCol = sysCol.getCollection(SystemCollection.METADATA);
         Collection col = metaCol.getCollection(GROUPS_COL);
         groupsCol = new XMLSerializableAdapter(col);
      }
      return groupsCol;
   }

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      return groupsCol;
   }


   XMLSerializableAdapter getContentCollection() throws DBException {
      if ( contentCol == null ) {
         Collection sysCol = getCollection().getSystemCollection();
         Collection metaCol = sysCol.getCollection(SystemCollection.METADATA);
         Collection col = metaCol.getCollection(CONTENT_COL);
         contentCol = new XMLSerializableAdapter(col);
      }
      return contentCol;
   }

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   private AccessUtils getAccessUtils() {
      if ( utils == null ) {
         try {
            userStack.pushCurrentUser(magicUser);
            Collection sysCol = database.getSystemCollection();
            AccessManager manager = (AccessManager)sysCol.getExtensionManager().get(NAME);
            utils = manager.getAccessUtils();
         }
         catch ( DBException e ) {
            System.err.println("FATAL ERROR: Can't retrieve AccessManager Extensions '"+NAME+"'");
            e.printStackTrace(System.err);

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    }
   }


   private XMLSerializableAdapter getUsersCollection() throws DBException {
      if ( userCol == null ) {
         Collection sysCol = database.getSystemCollection();
         Collection col = sysCol.getCollection(SystemCollection.USERS);
         userCol = new XMLSerializableAdapter(col);
      }
      return userCol;
   }

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      return userCol;
   }


   private XMLSerializableAdapter getRolesCollection() throws DBException {
      if ( roleCol == null ) {
         Collection sysCol = database.getSystemCollection();
         Collection col = sysCol.getCollection(SystemCollection.ROLES);
         roleCol = new XMLSerializableAdapter(col);
      }
      return roleCol;
   }

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      return roleCol;
   }


   private XMLSerializableAdapter getAccessCollection() throws DBException {
      if ( accessCol == null ) {
         Collection sysCol = database.getSystemCollection();
         Collection col = sysCol.getCollection(SystemCollection.ACCESS);
         accessCol = new XMLSerializableAdapter(col);
      }
      return accessCol;
   }

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Related Classes of com.dbxml.db.core.Collection

com.dbxml.db.client.local.CollectionClientImpl

com.dbxml.db.client.local.dbXMLClientImpl

com.dbxml.db.common.security.DefaultSecurityManager

com.dbxml.db.core.extension.ExtensionManager

com.dbxml.db.core.indexer.IndexManager

com.dbxml.db.core.query.helpers.ResultSetWrapper

com.dbxml.db.core.security.AccessUtils

com.dbxml.db.core.trigger.TriggerManager

com.dbxml.db.enterprise.sync.SyncManager

com.dbxml.db.server.labrador.CollectionProxy

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