Examples of org.jboss.dna.graph.property.PathNotFoundException

org.jboss.dna.graph.property.PathNotFoundException
A runtime exception denoting that a node or property at a supplied {@link Path path} was not found. This exception does containthe lowest ancestor of the path that was found to exist.

        PathWorkspace workspace = getWorkspace(request, request.inWorkspace());
        if (workspace == null) return;


        PathNode node = getTargetNode(workspace, request, request.at());
        if (node == null) {
            request.setError(new PathNotFoundException(request.at(), workspace.getLowestExistingPath(request.at().getPath())));
            return;
        }


        // Get the properties of the node ...
        request.addProperties(node.getProperties().values());

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        }


        if (node == null && request != null) {
            if (path == null) {
                // Missing path, and could not find by UUID ...
                request.setError(new PathNotFoundException(location, pathFactory.createRootPath(),
                                                           GraphI18n.nodeDoesNotExist.text(path)));
                return null;
            }
            // Could not find the node given the supplied path, so find the lowest path that does exist ...
            Path lowestExisting = workspace.getLowestExistingPath(path);
            request.setError(new PathNotFoundException(location, lowestExisting, GraphI18n.nodeDoesNotExist.text(path)));
        }
        return node;
    }

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        // Look up the parent node, which must exist ...


        MapNode parentNode = workspace.getNode(parent);
        if (parentNode == null) {
            Path lowestExisting = workspace.getLowestExistingPath(parent);
            request.setError(new PathNotFoundException(request.under(), lowestExisting, GraphI18n.nodeDoesNotExist.text(parent)));
            return;
        }


        UUID uuid = null;
        // Make a list of the properties that we will store: all props except dna:uuid and jcr:uuid

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        }


        MapNode newParent = workspace.getNode(newParentPath);
        if (newParent == null) {
            Path lowestExisting = workspace.getLowestExistingPath(newParentPath);
            request.setError(new PathNotFoundException(request.into(), lowestExisting,
                                                       GraphI18n.nodeDoesNotExist.text(newParentPath)));
            return;
        }
        workspace.moveNode(getExecutionContext(), node, request.desiredName(), workspace, newParent, beforeNode);
        assert node.getParent().equals(newParent);

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                    I18n msg = GraphI18n.inMemoryConnectorRequestsMustHavePathOrUuid;
                    request.setError(new IllegalArgumentException(msg.text()));
                    return null;
                }
                // Missing path, and could not find by UUID ...
                request.setError(new PathNotFoundException(location, pathFactory.createRootPath(),
                                                           GraphI18n.nodeDoesNotExist.text(path)));
                return null;
            }
            // Could not find the node given the supplied path, so find the lowest path that does exist ...
            Path lowestExisting = workspace.getLowestExistingPath(path);
            request.setError(new PathNotFoundException(location, lowestExisting, GraphI18n.nodeDoesNotExist.text(path)));
        }
        return node;
    }

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            List<Node<Payload, PropertyPayload>> children = childrenByName.get(name); // never null
            try {
                return children.get(sns - 1); // SNS is 1-based, index is 0-based
            } catch (IndexOutOfBoundsException e) {
                Path missingPath = cache.pathFactory.create(getPath(), name, sns);
                throw new PathNotFoundException(Location.create(missingPath), getPath());
            }
        }

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                            previousPath = path;
                        }
                    }
                } catch (PathNotFoundException e) {
                    // Use the correct desired path ...
                    throw new PathNotFoundException(Location.create(relativePath), e.getLowestAncestorThatDoesExist());
                }
            }
        }
        return node;
    }

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        // There is no UUID, so look for a path ...
        if (path == null) {
            String propName = DnaLexicon.UUID.getString(getExecutionContext().getNamespaceRegistry());
            String msg = JpaConnectorI18n.locationShouldHavePathAndOrProperty.text(getSourceName(), propName);
            throw new PathNotFoundException(original, pathFactory.createRootPath(), msg);
        }


        // Walk the child entities, starting at the root, down the to the path ...
        if (path.isRoot()) {
            Location newLocation = original.with(rootNodeUuid);
            cache.addNewNode(workspaceId, newLocation);
            return new ActualLocation(newLocation, rootNodeUuidString, null);
        }
        // See if the parent location is known in the cache ...
        Location cachedParent = cache.getLocationFor(workspaceId, path.getParent());
        if (cachedParent != null) {
            // We know the UUID of the parent, so we can find the child a little faster ...
            ChildEntity child = findByPathSegment(workspaceId, cachedParent.getUuid().toString(), path.getLastSegment());
            uuidString = child.getId().getChildUuidString();
            Location newLocation = original.with(UUID.fromString(uuidString));
            cache.addNewNode(workspaceId, newLocation);
            return new ActualLocation(newLocation, uuidString, child);
        }


        // We couldn't find the parent, so we need to search by path ...
        String parentUuid = this.rootNodeUuidString;
        ChildEntity child = null;
        for (Path.Segment segment : path) {
            child = findByPathSegment(workspaceId, parentUuid, segment);
            if (child == null) {
                // Unable to complete the path, so prepare the exception by determining the lowest path that exists ...
                Path lowest = path;
                while (lowest.getLastSegment() != segment) {
                    lowest = lowest.getParent();
                }
                lowest = lowest.getParent();
                throw new PathNotFoundException(original, lowest);
            }
            parentUuid = child.getId().getChildUuidString();
        }
        assert child != null;
        uuidString = child.getId().getChildUuidString();

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        ProjectedNode projectedNode = workspace.project(getExecutionContext(), location, requiresUpdate);
        if (projectedNode == null) {
            I18n msg = GraphI18n.locationCannotBeProjectedIntoWorkspaceAndSource;
            Path root = getExecutionContext().getValueFactories().getPathFactory().createRootPath();
            request.setError(new PathNotFoundException(location, root, msg.text(readable(location),
                                                                                workspace.getName(),
                                                                                repository.getSourceName())));
        }
        return projectedNode;
    }

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        Path lowestExistingInFederated = pathFactory.createRootPath();
        while (projected != null) {
            Request projectedRequest = projected.getRequest();
            Throwable error = projectedRequest.getError();
            if (error instanceof PathNotFoundException) {
                PathNotFoundException notFound = (PathNotFoundException)error;
                Path lowestExisting = notFound.getLowestAncestorThatDoesExist();
                // Project back to the repository level ...
                for (Path federatedPath : projected.getProjection().getPathsInRepository(lowestExisting, pathFactory)) {
                    if (federatedPath.isAtOrBelow(lowestExistingInFederated)) {
                        lowestExistingInFederated = federatedPath;
                    }
                }
            }
            projected = projected.next();
        }
        original.setError(new PathNotFoundException(originalLocation, lowestExistingInFederated));
    }

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