Examples of org.apache.jackrabbit.oak.jcr.delegate.NodeDelegate

Package org.apache.jackrabbit.oak.jcr.delegate

Examples of org.apache.jackrabbit.oak.jcr.delegate.NodeDelegate

org.apache.jackrabbit.oak.jcr.delegate.NodeDelegate
{@code NodeDelegate} serve as internal representations of {@code Node}s. Most methods of this class throw an {@code InvalidItemStateException}exception if the instance is stale. An instance is stale if the underlying items does not exist anymore.

        delegate.perform(new SessionOperation<Void>() {
            @Override
            public Void perform() throws RepositoryException {
                Iterator<String> iterator = sessionScopedLocks.iterator();
                while (iterator.hasNext()) {
                    NodeDelegate node = delegate.getNode(iterator.next());
                    if (node != null) {
                        try {
                            node.unlock(); // TODO: use a single commit
                        } catch (RepositoryException e) {
                            log.warn("Failed to unlock a session scoped lock", e);
                        }
                    }
                    iterator.remove();

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    @Override
    public Node storeAsNode(String absPath) throws RepositoryException {
        manager.ensureIsAlive();
        String oakPath = sessionContext.getOakPathOrThrow(absPath);
        String parent = PathUtils.getParentPath(oakPath);
        NodeDelegate parentDelegate = sessionContext.getSessionDelegate().getNode(parent);
        if (parentDelegate == null) {
            throw new PathNotFoundException("The specified path does not exist: " + parent);
        }
        Node parentNode = NodeImpl.createNodeOrNull(parentDelegate, sessionContext);
        if (!parentNode.isCheckedOut()) {

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            @Override
            public Node perform() throws RepositoryException {
                if (node.isRoot()) {
                    throw new ItemNotFoundException("Root has no parent");
                } else {
                    NodeDelegate parent = node.getParent();
                    if (parent == null) {
                        throw new AccessDeniedException();
                    }
                    return NodeImpl.createNode(parent, sessionContext);
                }

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            @Override
            public Node perform() throws RepositoryException {
                String oakName = PathUtils.getName(oakPath);
                String parentPath = PathUtils.getParentPath(oakPath);


                NodeDelegate parent = dlg.getChild(parentPath);
                if (parent == null) {
                    // is it a property?
                    String grandParentPath = PathUtils.getParentPath(parentPath);
                    NodeDelegate grandParent = dlg.getChild(grandParentPath);
                    if (grandParent != null) {
                        String propName = PathUtils.getName(parentPath);
                        if (grandParent.getPropertyOrNull(propName) != null) {
                            throw new ConstraintViolationException("Can't add new node to property.");
                        }
                    }


                    throw new PathNotFoundException(relPath);
                }


                if (parent.getChild(oakName) != null) {
                    throw new ItemExistsException(relPath);
                }


                // check for NODE_TYPE_MANAGEMENT permission here as we cannot
                // distinguish between user-supplied and system-generated
                // modification of that property in the PermissionValidator
                if (oakTypeName != null) {
                    PropertyState prop = PropertyStates.createProperty(JCR_PRIMARYTYPE, oakTypeName, NAME);
                    sessionContext.getAccessManager().checkPermissions(dlg.getTree(), prop, Permissions.NODE_TYPE_MANAGEMENT);
                }


                NodeDelegate added = parent.addChild(oakName, oakTypeName);
                if (added == null) {
                    throw new ItemExistsException();
                }
                nodeAdded = added;

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    public Node getNode(String relPath) throws RepositoryException {
        final String oakPath = getOakPathOrThrowNotFound(relPath);
        return perform(new NodeOperation<Node>(dlg) {
            @Override
            public Node perform() throws RepositoryException {
                NodeDelegate nd = node.getChild(oakPath);
                if (nd == null) {
                    throw new PathNotFoundException(oakPath);
                } else {
                    return NodeImpl.createNode(nd, sessionContext);
                }

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    @Nonnull
    public NodeDefinition getDefinition() throws RepositoryException {
        return perform(new NodeOperation<NodeDefinition>(dlg) {
            @Override
            public NodeDefinition perform() throws RepositoryException {
                NodeDelegate parent = node.getParent();
                if (parent == null) {
                    return getNodeTypeManager().getRootDefinition();
                } else {
                    return getNodeTypeManager().getDefinition(
                            parent.getTree(), node.getTree());
                }
            }
        });
    }

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        });
    }


    @Override @Nonnull
    public Lock getLock() throws RepositoryException {
        NodeDelegate lock = perform(
                new LockOperation<NodeDelegate>(sessionDelegate, dlg) {
                    @Override
                    public NodeDelegate perform(NodeDelegate node) {
                        return node.getLock();
                    }

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        final SessionDelegate sessionDelegate = sessionContext.getSessionDelegate();
        sessionDelegate.perform(new SessionOperation<Void>(true) {
            @Override
            public Void perform() throws RepositoryException {
                String oakPath = getOakPathOrThrowNotFound(absPath);
                NodeDelegate nodeDelegate = sessionDelegate.getNode(oakPath);
                if (nodeDelegate != null) {
                    throw new VersionException(
                            "VersionManager.restore(String, Version, boolean)"
                                    + " not allowed on existing nodes; use"
                                    + " VersionManager.restore(Version, boolean) instead: "
                                    + absPath);
                }
                // check if parent exists
                NodeDelegate parent = ensureParentExists(sessionDelegate, absPath);
                // check for pending changes
                checkPendingChangesForRestore(sessionDelegate);
                // check lock status
                checkNotLocked(parent.getPath());
                // check for existing nodes
                List<NodeDelegate> existing = getExisting(version,
                        Collections.<String>emptySet());
                boolean success = false;
                try {

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        sessionDelegate.perform(new SessionOperation<Void>(true) {
            @Override
            public Void perform() throws RepositoryException {
                // check for pending changes
                checkPendingChangesForRestore(sessionDelegate);
                NodeDelegate n = sessionDelegate.getNodeByIdentifier(versionableId);
                if (n == null) {
                    throw new VersionException("Unable to restore version. " +
                            "No versionable node with identifier: " + versionableId);
                }
                // check lock status
                checkNotLocked(n.getPath());
                // check for existing nodes
                List<NodeDelegate> existing = getExisting(version,
                        Collections.singleton(n.getPath()));
                boolean success = false;
                try {
                    if (!existing.isEmpty()) {
                        if (removeExisting) {
                            removeExistingNodes(existing);
                        } else {
                            List<String> paths = new ArrayList<String>();
                            for (NodeDelegate nd : existing) {
                                paths.add(nd.getPath());
                            }
                            throw new ItemExistsException("Unable to restore with " +
                                    "removeExisting=false. Existing nodes in " +
                                    "workspace: " + paths);
                        }
                    }
                    // ready for restore
                    VersionDelegate vd = versionManagerDelegate.getVersionByIdentifier(
                            version.getIdentifier());
                    versionManagerDelegate.restore(
                            n.getParent(), n.getName(), vd);
                    sessionDelegate.getRoot().commit();
                    success = true;
                } catch (CommitFailedException e) {
                    throw new RepositoryException(e);
                } finally {

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        final SessionDelegate sessionDelegate = sessionContext.getSessionDelegate();
        return sessionDelegate.perform(new SessionOperation<Boolean>() {
            @Override
            public Boolean perform() throws RepositoryException {
                String oakPath = getOakPathOrThrowNotFound(absPath);
                NodeDelegate nodeDelegate = sessionDelegate.getNode(oakPath);
                if (nodeDelegate == null) {
                    throw new PathNotFoundException(absPath);
                }
                return versionManagerDelegate.isCheckedOut(nodeDelegate);
            }

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Related Classes of org.apache.jackrabbit.oak.jcr.delegate.NodeDelegate

org.apache.jackrabbit.oak.api.PropertyState

org.apache.jackrabbit.oak.api.Root

org.apache.jackrabbit.oak.api.Tree

org.apache.jackrabbit.oak.jcr.ItemImpl

org.apache.jackrabbit.oak.jcr.lock.LockManagerImpl

org.apache.jackrabbit.oak.jcr.lock.LockOperation

org.apache.jackrabbit.oak.jcr.NodeImpl

org.apache.jackrabbit.oak.jcr.PropertyImpl

org.apache.jackrabbit.oak.jcr.query.QueryImpl

org.apache.jackrabbit.oak.jcr.query.QueryResultImpl

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