示例#1
0
  /*
   * @see org.exist.xupdate.Modification#process()
   */
  public long process(Txn transaction)
      throws PermissionDeniedException, LockException, EXistException, XPathException {
    NodeList children = content;
    if (children.getLength() == 0) return 0;

    try {
      StoredNode ql[] = selectAndLock(transaction);
      IndexListener listener = new IndexListener(ql);
      NotificationService notifier = broker.getBrokerPool().getNotificationService();
      for (int i = 0; i < ql.length; i++) {
        StoredNode node = ql[i];
        DocumentImpl doc = (DocumentImpl) node.getOwnerDocument();
        doc.getMetadata().setIndexListener(listener);
        if (!doc.getPermissions().validate(broker.getUser(), Permission.UPDATE))
          throw new PermissionDeniedException("permission to update document denied");
        node.appendChildren(transaction, children, child);
        doc.getMetadata().clearIndexListener();
        doc.getMetadata().setLastModified(System.currentTimeMillis());
        modifiedDocuments.add(doc);
        broker.storeXMLResource(transaction, doc);
        notifier.notifyUpdate(doc, UpdateListener.UPDATE);
      }
      checkFragmentation(transaction, modifiedDocuments);
      return ql.length;
    } finally {
      // release all acquired locks
      unlockDocuments(transaction);
    }
  }
示例#2
0
 /*
  * (non-Javadoc)
  *
  * @see org.exist.xupdate.Modification#process(org.exist.dom.DocumentSet)
  */
 public long process(Txn transaction)
     throws PermissionDeniedException, LockException, EXistException, XPathException {
   NodeList children = content;
   if (children.getLength() == 0) return 0;
   int modifications = children.getLength();
   try {
     StoredNode ql[] = selectAndLock(transaction);
     IndexListener listener = new IndexListener(ql);
     NotificationService notifier = broker.getBrokerPool().getNotificationService();
     Node temp;
     TextImpl text;
     AttrImpl attribute;
     ElementImpl parent;
     for (int i = 0; i < ql.length; i++) {
       StoredNode node = ql[i];
       if (node == null) {
         LOG.warn("select " + selectStmt + " returned empty node");
         continue;
       }
       DocumentImpl doc = (DocumentImpl) node.getOwnerDocument();
       doc.getMetadata().setIndexListener(listener);
       if (!doc.getPermissions().validate(broker.getUser(), Permission.UPDATE))
         throw new PermissionDeniedException("permission to update document denied");
       switch (node.getNodeType()) {
         case Node.ELEMENT_NODE:
           if (modifications == 0) modifications = 1;
           ((ElementImpl) node).update(transaction, children);
           break;
         case Node.TEXT_NODE:
           parent = (ElementImpl) node.getParentNode();
           temp = children.item(0);
           text = new TextImpl(temp.getNodeValue());
           modifications = 1;
           text.setOwnerDocument(doc);
           parent.updateChild(transaction, node, text);
           break;
         case Node.ATTRIBUTE_NODE:
           parent = (ElementImpl) node.getParentNode();
           if (parent == null) {
             LOG.warn("parent node not found for " + node.getNodeId());
             break;
           }
           AttrImpl attr = (AttrImpl) node;
           temp = children.item(0);
           attribute = new AttrImpl(attr.getQName(), temp.getNodeValue());
           attribute.setOwnerDocument(doc);
           parent.updateChild(transaction, node, attribute);
           break;
         default:
           throw new EXistException("unsupported node-type");
       }
       doc.getMetadata().clearIndexListener();
       doc.getMetadata().setLastModified(System.currentTimeMillis());
       modifiedDocuments.add(doc);
       broker.storeXMLResource(transaction, doc);
       notifier.notifyUpdate(doc, UpdateListener.UPDATE);
     }
     checkFragmentation(transaction, modifiedDocuments);
   } finally {
     unlockDocuments(transaction);
   }
   return modifications;
 }