Examples of org.exoplatform.services.jcr.storage.WorkspaceStorageConnection

Package org.exoplatform.services.jcr.storage

Examples of org.exoplatform.services.jcr.storage.WorkspaceStorageConnection

org.exoplatform.services.jcr.storage.WorkspaceStorageConnection
Created by The eXo Platform SAS.
Includes methods for direct read (by identifier and qPath), node child traversing, reference access as well as write single item methods (add, update, delete) and batch operations support. Valid (workable) connection state is "opened" (isOpened() == true). Newly created connection should have "opened" state. The connection becomes "closed" (invalid for using) after calling commit() or rollback() methods. In this case methods calling will cause an IllegalStateException Connection object intendend to be as "light" as possible i.e. connection creation SHOULD NOT be expensive operation, so better NOT to open/close potentially EXPENSIVE resources using by Connection (WorkspaceDataContainer should be responsible for that). The Connection IS NOT a thread-safe object and normally SHOULD NOT be pooled/cached. @author Gennady Azarenkov @version $Id: WorkspaceStorageConnection.java 11907 2008-03-13 15:36:21Z ksm $

   /**
    * {@inheritDoc}
    */
   public WorkspaceStorageConnection openConnection(boolean readOnly) throws RepositoryException
   {
      WorkspaceStorageConnection con = connFactory.openConnection(readOnly);
      if (STATISTICS_ENABLED)
      {
         con = new StatisticsJDBCStorageConnection(con);
      }
      return con;

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   /**
    * {@inheritDoc}
    */
   public ItemData getItemData(final String identifier) throws RepositoryException
   {
      final WorkspaceStorageConnection con = dataContainer.openConnection();
      try
      {
         return con.getItemData(identifier);
      }
      finally
      {
         con.close();
      }
   }

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    */
   public List<PropertyData> getReferencesData(final String identifier, boolean skipVersionStorage)
      throws RepositoryException
   {


      final WorkspaceStorageConnection con = dataContainer.openConnection();
      try
      {
         final List<PropertyData> allRefs = con.getReferencesData(identifier);
         final List<PropertyData> refProps = new ArrayList<PropertyData>();
         for (int i = 0; i < allRefs.size(); i++)
         {
            PropertyData ref = allRefs.get(i);
            if (skipVersionStorage)
            {
               if (!ref.getQPath().isDescendantOf(Constants.JCR_VERSION_STORAGE_PATH))
                  refProps.add(ref);
            }
            else
               refProps.add(ref);
         }
         return refProps;
      }
      finally
      {
         con.close();
      }
   }

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    * {@inheritDoc}
    */
   public List<NodeData> getChildNodesData(final NodeData nodeData) throws RepositoryException
   {


      final WorkspaceStorageConnection con = dataContainer.openConnection();
      try
      {
         return con.getChildNodesData(nodeData);
      }
      finally
      {
         con.close();
      }
   }

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   /**
    * {@inheritDoc}
    */
   public int getChildNodesCount(NodeData parent) throws RepositoryException
   {
      final WorkspaceStorageConnection con = dataContainer.openConnection();
      try
      {
         return con.getChildNodesCount(parent);
      }
      finally
      {
         con.close();
      }
   }

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   /**
    * {@inheritDoc}
    */
   public List<PropertyData> getChildPropertiesData(final NodeData nodeData) throws RepositoryException
   {
      final WorkspaceStorageConnection con = dataContainer.openConnection();
      try
      {
         return con.getChildPropertiesData(nodeData);
      }
      finally
      {
         con.close();
      }
   }

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   /**
    * {@inheritDoc}
    */
   public List<PropertyData> listChildPropertiesData(final NodeData nodeData) throws RepositoryException
   {
      final WorkspaceStorageConnection con = dataContainer.openConnection();
      try
      {
         return con.listChildPropertiesData(nodeData);
      }
      finally
      {
         con.close();
      }
   }

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            return;
         }
         else
         {
            // check in persistence
            final WorkspaceStorageConnection acon = dataContainer.openConnection();
            try
            {
               NodeData parent = (NodeData)acon.getItemData(node.getParentIdentifier());
               QPathEntry myName = node.getQPath().getEntries()[node.getQPath().getEntries().length - 1];
               ItemData sibling =
                  acon.getItemData(parent, new QPathEntry(myName.getNamespace(), myName.getName(),
                     myName.getIndex() - 1));
               if (sibling == null || !sibling.isNode())
               {
                  throw new InvalidItemStateException("Node can't be saved " + node.getQPath().getAsString()
                     + ". No same-name sibling exists with index " + (myName.getIndex() - 1) + ".");
               }
            }
            finally
            {
               acon.rollback();
            }
         }
      }
   }

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   /**
    * {@inheritDoc}
    */
   public ItemData getItemData(final NodeData parentData, final QPathEntry name) throws RepositoryException
   {
      final WorkspaceStorageConnection con = dataContainer.openConnection();
      try
      {
         return con.getItemData(parentData, name);
      }
      finally
      {
         con.close();
      }
   }

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         {
            logBrokenObjectAndSetInconsistency("Lock exists in ITEM table but not in LOCK table. Node UUID: " + nodeId);


            if (autoRepair)
            {
               WorkspaceStorageConnection conn = jdbcDataContainer.openConnection();
               try
               {
                  NodeData parent = (NodeData)conn.getItemData(nodeId);
                  PropertyData prop =
                     (PropertyData)conn.getItemData(parent, new QPathEntry(Constants.JCR_LOCKISDEEP, 0),
                        ItemType.PROPERTY);
                  conn.delete(prop);


                  prop =
                     (PropertyData)conn.getItemData(parent, new QPathEntry(Constants.JCR_LOCKOWNER, 0),
                        ItemType.PROPERTY);
                  conn.delete(prop);


                  conn.commit();


                  logComment("Lock has been removed form ITEM table. Node UUID: " + nodeId);
               }
               catch (RepositoryException e)
               {
                  conn.rollback();
                  throw e;
               }
            }
         }
      }

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