Examples of org.apache.jackrabbit.oak.api.Root

org.apache.jackrabbit.oak.api.Root
A {@code Root} instance serves as a container for a {@link Tree}. It is obtained from a {@link ContentSession}, which governs accessibility and visibility of the {@code Tree} and its sub trees.
All root instances created by a content session become invalid after the content session is closed. Any method called on an invalid root instance will throw an {@code InvalidStateException}.
{@link Tree} instances may become non existing after a call to{@link #refresh()}, {@link #rebase()} or {@link #commit()}. Any write access to non existing {@code Tree} instances will cause an{@code InvalidStateException}. @see Tree Existence and iterability of trees

    @Override
    public AccessControlPolicy[] getEffectivePolicies(@Nullable String absPath) throws RepositoryException {
        String oakPath = getOakPath(absPath);
        Tree tree = getTree(oakPath, Permissions.READ_ACCESS_CONTROL, true);


        Root r = getRoot().getContentSession().getLatestRoot();
        tree = r.getTree(tree.getPath());


        List<AccessControlPolicy> effective = new ArrayList<AccessControlPolicy>();
        AccessControlPolicy policy = createACL(oakPath, tree, true);
        if (policy != null) {
            effective.add(policy);
        }
        if (oakPath != null) {
            String parentPath = Text.getRelativeParent(oakPath, 1);
            while (!parentPath.isEmpty()) {
                Tree t = r.getTree(parentPath);
                AccessControlPolicy plc = createACL(parentPath, t, true);
                if (plc != null) {
                    effective.add(plc);
                }
                parentPath = (PathUtils.denotesRoot(parentPath)) ? "" : Text.getRelativeParent(parentPath, 1);

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    @Nonnull
    @Override
    public AccessControlPolicy[] getEffectivePolicies(@Nonnull Set<Principal> principals) throws RepositoryException {
        Util.checkValidPrincipals(principals, principalManager);
        Root r = getLatestRoot();


        Result aceResult = searchAces(principals, r);
        List<AccessControlPolicy> effective = new ArrayList<AccessControlPolicy>();
        for (ResultRow row : aceResult.getRows()) {
            String acePath = row.getPath();
            String aclName = Text.getName(Text.getRelativeParent(acePath, 1));


            Tree accessControlledTree = r.getTree(Text.getRelativeParent(acePath, 2));
            if (aclName.isEmpty() || !accessControlledTree.exists()) {
                log.debug("Isolated access control entry -> ignore query result at " + acePath);
                continue;
            }

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    }


    @Nullable
    private JackrabbitAccessControlList createPrincipalACL(@Nullable String oakPath,
                                                           @Nonnull Principal principal) throws RepositoryException {
        Root root = getRoot();
        Result aceResult = searchAces(Collections.<Principal>singleton(principal), root);
        RestrictionProvider restrProvider = new PrincipalRestrictionProvider(restrictionProvider);
        List<ACE> entries = new ArrayList<ACE>();
        for (ResultRow row : aceResult.getRows()) {
            Tree aceTree = root.getTree(row.getPath());
            if (Util.isACE(aceTree, ntMgr)) {
                String aclPath = Text.getRelativeParent(aceTree.getPath(), 1);
                String path;
                if (aclPath.endsWith(REP_REPO_POLICY)) {
                    path = null;

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    @Override
    public final NodeTypeIterator registerNodeTypes(
            NodeTypeDefinition[] ntds, boolean allowUpdate)
            throws RepositoryException {
        Root root = getWriteRoot();
        try {
            Tree tree = getOrCreateNodeTypes(root);
            for (NodeTypeDefinition ntd : ntds) {
                NodeTypeTemplateImpl template;
                if (ntd instanceof NodeTypeTemplateImpl) {
                    template = (NodeTypeTemplateImpl) ntd;
                } else {
                    // some external template implementation, copy before proceeding
                    template = new NodeTypeTemplateImpl(getNamePathMapper(), ntd);
                }
                template.writeTo(tree, allowUpdate);
            }
            root.commit();


            refresh();


            List<NodeType> types = new ArrayList<NodeType>(ntds.length);
            for (NodeTypeDefinition ntd : ntds) {

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        return types;
    }


    @Override
    public void unregisterNodeType(String name) throws RepositoryException {
        Root root = getWriteRoot();
        Tree type = root.getTree(NODE_TYPES_PATH).getChild(getOakName(name));
        if (!type.exists()) {
            throw new NoSuchNodeTypeException("Node type " + name + " can not be unregistered.");
        }


        try {
            type.remove();
            root.commit();
            refresh();
        } catch (CommitFailedException e) {
            String message = "Failed to unregister node type " + name;
            throw e.asRepositoryException(message);
        }

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        }
    }


    @Override
    public void unregisterNodeTypes(String[] names) throws RepositoryException {
        Root root = getWriteRoot();
        Tree types = root.getTree(NODE_TYPES_PATH);
        if (!types.exists()) {
            throw new NoSuchNodeTypeException("Node types can not be unregistered.");
        }


        try {
            for (String name : names) {
                Tree type = types.getChild(getOakName(name));
                if (!type.exists()) {
                    throw new NoSuchNodeTypeException("Node type " + name + " can not be unregistered.");
                }
                type.remove();
            }
            root.commit();
            refresh();
        } catch (CommitFailedException e) {
            String message = "Failed to unregister node types.";
            throw e.asRepositoryException(message);
        }

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            return false;
        }


        try {
            SyncHandler handler = getSyncHandler();
            Root root = getRoot();
            UserManager userManager = getUserManager();
            if (root == null || userManager == null) {
                throw new LoginException("Cannot synchronize user.");
            }
            Object smValue = options.getConfigValue(PARAM_SYNC_MODE, null, null);
            SyncMode syncMode;
            if (smValue == null) {
                syncMode = DEFAULT_SYNC_MODE;
            } else {
                syncMode = SyncMode.fromObject(smValue);
            }
            ExternalUser eu = getExternalUser();
            if (eu != null && handler.initialize(userManager, root, syncMode, options)) {
                handler.sync(eu);
                root.commit();
                return true;
            } else {
                log.warn("Failed to initialize sync handler.");
                return false;
            }

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     */
    @CheckForNull
    private TokenProvider getTokenProvider() {
        TokenProvider provider = null;
        SecurityProvider securityProvider = getSecurityProvider();
        Root root = getRoot();
        if (root != null && securityProvider != null) {
            TokenConfiguration tokenConfig = securityProvider.getConfiguration(TokenConfiguration.class);
            provider = tokenConfig.getTokenProvider(root);
        }
        if (provider == null && callbackHandler != null) {

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    @Override
    public AccessControlPolicy[] getEffectivePolicies(@Nullable String absPath) throws RepositoryException {
        String oakPath = getOakPath(absPath);
        Tree tree = getTree(oakPath, Permissions.READ_ACCESS_CONTROL, true);


        Root r = getRoot().getContentSession().getLatestRoot();
        tree = r.getTree(tree.getPath());


        List<AccessControlPolicy> effective = new ArrayList<AccessControlPolicy>();
        AccessControlPolicy policy = createACL(oakPath, tree, true);
        if (policy != null) {
            effective.add(policy);
        }
        if (oakPath != null) {
            String parentPath = Text.getRelativeParent(oakPath, 1);
            while (!parentPath.isEmpty()) {
                Tree t = r.getTree(parentPath);
                AccessControlPolicy plc = createACL(parentPath, t, true);
                if (plc != null) {
                    effective.add(plc);
                }
                parentPath = (PathUtils.denotesRoot(parentPath)) ? "" : Text.getRelativeParent(parentPath, 1);

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    @Nonnull
    @Override
    public AccessControlPolicy[] getEffectivePolicies(@Nonnull Set<Principal> principals) throws RepositoryException {
        Util.checkValidPrincipals(principals, principalManager);
        Root r = getLatestRoot();


        Result aceResult = searchAces(principals, r);
        List<AccessControlPolicy> effective = new ArrayList<AccessControlPolicy>();
        for (ResultRow row : aceResult.getRows()) {
            String acePath = row.getPath();
            String aclName = Text.getName(Text.getRelativeParent(acePath, 1));


            Tree accessControlledTree = r.getTree(Text.getRelativeParent(acePath, 2));
            if (aclName.isEmpty() || !accessControlledTree.exists()) {
                log.debug("Isolated access control entry -> ignore query result at " + acePath);
                continue;
            }

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