Examples of org.jboss.cache.NodeNotExistsException

org.jboss.cache.NodeNotExistsException
Thrown when an operation is attempted on a non-existing node in the cache @author Bela Ban. @version $Id: NodeNotExistsException.java 6776 2008-09-22 17:35:46Z manik.surtani@jboss.com $

         // node does not exist; return an empty list since there is nothing to remove!
         return Collections.emptyList();
      } else {
         // update child ref on parent to point to child as this is now a copy.
         if (parentLockNeeded && (needToCopyNode || needToCopyParent)) {
            if (parent == null) throw new NodeNotExistsException("Parent node " + parentFqn + " does not exist!");
            parent.getDelegationTarget().addChild(node.getDelegationTarget());
         }


         // now deal with children.
         Map<Object, InternalNode<?, ?>> childMap = node.getDelegationTarget().getChildrenMap();

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      // the actual move algorithm.
      // ctx *could* be null if this is a rollback!!!  Sucks big time.
      NodeSPI newParent = ctx == null ? dataContainer.peek(newParentFqn) : ctx.lookUpNode(newParentFqn);
      if (newParent == null || newParent.isDeleted())
      {
         throw new NodeNotExistsException("New parent node " + newParentFqn + " does not exist when attempting to move node!!");
      }


      // ctx *could* be null if this is a rollback!!!  Sucks big time.
      NodeSPI node = ctx == null ? dataContainer.peek(toMoveFqn) : ctx.lookUpNode(toMoveFqn);


      if (node == null || node.isDeleted())
      {
         throw new NodeNotExistsException("Node " + toMoveFqn + " does not exist when attempting to move node!!");
      }


      if (trace) log.trace("Moving " + fqn + " to sit under " + to);


      NodeSPI oldParent = node.getParentDirect();

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   public Object perform(InvocationContext ctx)
   {
      if (trace) log.trace("Perform('" + globalTransaction + "', '" + fqn + "', k='" + key + "', v='" + value + "')");


      NodeSPI n = ctx.lookUpNode(fqn);
      if (n == null) throw new NodeNotExistsException("Node " + fqn + " does not exist!");




      if (notifier.shouldNotifyOnNodeModified())
      {
         notifier.notifyNodeModified(fqn, true, NodeModifiedEvent.ModificationType.PUT_DATA, n.getDataDirect(), ctx);

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      {
         log.trace("perform(" + globalTransaction + ", \"" + fqn + "\", " + data + ")");
      }
//      NodeSPI nodeSPI = dataContainer.peekStrict(globalTransaction, fqn, false);
      NodeSPI nodeSPI = ctx.lookUpNode(fqn);
      if (nodeSPI == null) throw new NodeNotExistsException("Node " + fqn + " does not exist!");
      Map existingData = nodeSPI.getDataDirect();


      if (notifier.shouldNotifyOnNodeModified())
      {
         notifier.notifyNodeModified(fqn, true, NodeModifiedEvent.ModificationType.PUT_MAP, existingData == null ? Collections.emptyMap() : existingData, ctx);

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      {
         // if not, get it from the data container.  No need to wrap here, we're just going to update the parent's child map.
         retval = container.peekInternalNode(parentFqn, false);
      }
      if (retval == null)
         throw new NodeNotExistsException("Node " + parentFqn + " cannot be found in any context or data container!");
      return retval;
   }

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      else
      {
         // update child ref on parent to point to child as this is now a copy.
         if (parentLockNeeded && (needToCopyNode || needToCopyParent))
         {
            if (parent == null) throw new NodeNotExistsException("Parent node " + parentFqn + " does not exist!");
            parent.getDelegationTarget().addChild(node.getDelegationTarget());
         }


         // now deal with children.
         Map<Object, InternalNode<?, ?>> childMap = node.getDelegationTarget().getChildrenMap();

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         log.warn("Attempting to move the root node.  Not taking any action, treating this as a no-op.");
         return;
      }


      WorkspaceNode oldParent = fetchWorkspaceNode(ctx, nodeFqn.getParent(), ws, false, true);
      if (oldParent == null) throw new NodeNotExistsException("Node " + nodeFqn.getParent() + " does not exist!");


      if (parentFqn.equals(oldParent.getFqn()))
      {
         log.warn("Attempting to move a node in same place.  Not taking any action, treating this as a no-op.");
         return;
      }
      // retrieve parent
      WorkspaceNode parent = fetchWorkspaceNode(ctx, parentFqn, ws, false, true);
      if (parent == null) throw new NodeNotExistsException("Node " + parentFqn + " does not exist!");


      Object nodeName = nodeFqn.getLastElement();


      // now that we have the parent and target nodes:
      // first correct the pointers at the pruning point

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   }


   private void putDataMapAndNotify(Map<Object, Object> data, TransactionWorkspace workspace, WorkspaceNode workspaceNode, InvocationContext ctx)
   {
      if (workspaceNode == null)
         throw new NodeNotExistsException("optimisticCreateIfNotExistsInterceptor should have created this node!");
      // pre-notify
      notifier.notifyNodeModified(workspaceNode.getFqn(), true, PUT_MAP, workspaceNode.getData(), ctx);
      workspaceNode.putAll(data);
      workspace.addNode(workspaceNode);
      // post-notify

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   }


   private Object putDataKeyValueAndNotify(Object key, Object value, TransactionWorkspace workspace, WorkspaceNode workspaceNode, InvocationContext ctx)
   {
      if (workspaceNode == null)
         throw new NodeNotExistsException("optimisticCreateIfNotExistsInterceptor should have created this node!");


      if (notifier.shouldNotifyOnNodeModified())// pre-notify
      {
         notifier.notifyNodeModified(workspaceNode.getFqn(), true, PUT_DATA, workspaceNode.getData(), ctx);
      }

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      // it is already removed - we can ignore it
      if (workspaceNode == null) return false;


      Fqn parentFqn = workspaceNode.getFqn().getParent();
      WorkspaceNode parentNode = fetchWorkspaceNode(ctx, parentFqn, workspace, false, true);
      if (parentNode == null) throw new NodeNotExistsException("Unable to find parent node with fqn " + parentFqn);


      // pre-notify
      if (notify) notifier.notifyNodeRemoved(workspaceNode.getFqn(), true, workspaceNode.getData(), ctx);


      Fqn nodeFqn = workspaceNode.getFqn();

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Related Classes of org.jboss.cache.NodeNotExistsException

org.jboss.cache.commands.legacy.write.PessMoveCommand

org.jboss.cache.commands.write.MoveCommand

org.jboss.cache.commands.write.PutDataMapCommand

org.jboss.cache.commands.write.PutKeyValueCommand

org.jboss.cache.interceptors.OptimisticNodeInterceptor

org.jboss.cache.mvcc.MVCCNodeHelper

org.jboss.cache.mvcc.ReadCommittedNode

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