Examples of org.apache.jackrabbit.commons.flat.BTreeManager

Package org.apache.jackrabbit.commons.flat

Examples of org.apache.jackrabbit.commons.flat.BTreeManager

org.apache.jackrabbit.commons.flat.BTreeManager
te a new TreeManager instance rooted at node. Splitting of nodes takes place // when the number of children of a node exceeds 40 and is done such that each new // node has at least 40 child nodes. The keys are ordered according to the natural // order of java.lang.String. TreeManager treeManager = new BTreeManager(node, 20, 40, Rank.<String>comparableComparator(), true); // Create a new NodeSequence with that tree manager NodeSequence nodes = ItemSequence.createNodeSequence(treeManager); // Add nodes with key "jcr" and "day" nodes.addNode("jcr", NodeType.NT_UNSTRUCTURED); nodes.addNode("day", NodeType.NT_UNSTRUCTURED); // Iterate over the node in the sequence. // Prints "day jcr " for (Node n : nodes) { System.out.print(n.getName() + " "); } // Retrieve node with key "jcr" Node n = nodes.getItem("jcr"); // Remove node with key "day" nodes.removeNode("day");

    static PropertySequence getPropertySequence(Node nMembers, UserManagerImpl userManager) throws RepositoryException {
        Comparator<String> order = Rank.comparableComparator();
        int maxChildren = userManager.getGroupMembershipSplitSize();
        int minChildren = maxChildren / 2;


        TreeManager treeManager = new BTreeManager(nMembers, minChildren, maxChildren, order,
                userManager.isAutoSave());


        return ItemSequence.createPropertySequence(treeManager);
    }

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    static PropertySequence getPropertySequence(Node nMembers, UserManagerImpl userManager) throws RepositoryException {
        Comparator<String> order = Rank.comparableComparator();
        int maxChildren = userManager.getGroupMembershipSplitSize();
        int minChildren = maxChildren / 2;


        TreeManager treeManager = new BTreeManager(nMembers, minChildren, maxChildren, order,
                userManager.isAutoSave());


        return ItemSequence.createPropertySequence(treeManager);
    }

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    }


    private PropertySequence getPropertySequence(Node nMembers) throws RepositoryException {
        Comparator<String> order = Rank.comparableComparator();
        int minChildren = memberSplitSize / 2;
        TreeManager treeManager = new BTreeManager(nMembers, minChildren, memberSplitSize, order, false);
        return ItemSequence.createPropertySequence(treeManager);
    }

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    }


    private PropertySequence getPropertySequence(Node nMembers) throws RepositoryException {
        Comparator<String> order = Rank.comparableComparator();
        int minChildren = memberSplitSize / 2;
        TreeManager treeManager = new BTreeManager(nMembers, minChildren, memberSplitSize, order, false);
        return ItemSequence.createPropertySequence(treeManager);
    }

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        superuser.save();
    }


    public void testEmptyNodeSequence() throws RepositoryException {
        Comparator<String> order = Rank.<String>comparableComparator();
        TreeManager treeManager = new BTreeManager(testNode, 5, 10, order, true);
        NodeSequence nodes = ItemSequence.createNodeSequence(treeManager, errorHandler);


        Iterator<Node> nodeIt = nodes.iterator();
        assertTrue(nodeIt.hasNext());
        assertTrue(treeManager.isRoot(nodeIt.next()));
        assertFalse(nodeIt.hasNext());


        checkTreeProperty(testNode, 5, 10, order);
        checkOrder(nodes, order);
        assertEmpty(nodes);

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        assertEmpty(nodes);
    }


    public void testSingletonNodeSequence() throws RepositoryException {
        Comparator<String> order = Rank.<String>comparableComparator();
        TreeManager treeManager = new BTreeManager(testNode, 5, 10, order, true);
        NodeSequence nodes = ItemSequence.createNodeSequence(treeManager, errorHandler);


        nodes.addNode("key", NodeType.NT_UNSTRUCTURED);
        assertTrue(nodes.hasItem("key"));

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        assertEmpty(nodes);
    }


    public void testNodeSequence() throws RepositoryException, IOException {
        Comparator<String> order = Rank.<String>comparableComparator();
        TreeManager treeManager = new BTreeManager(testNode, 5, 10, order, true);
        NodeSequence nodes = ItemSequence.createNodeSequence(treeManager, errorHandler);


        List<String> words = loadWords();
        Collections.shuffle(words);

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        assertEmpty(nodes);
    }


    public void testEmptyPropertySequence() throws RepositoryException {
        Comparator<String> order = Rank.<String>comparableComparator();
        TreeManager treeManager = new BTreeManager(testNode, 2, 4, order, true);
        PropertySequence properties = ItemSequence.createPropertySequence(treeManager, errorHandler);


        Iterator<Property> propertyIt = properties.iterator();
        assertFalse(propertyIt.hasNext());
        assertEmpty(properties);

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        assertEmpty(properties);
    }


    public void testSingletonPropertySequence() throws RepositoryException {
        Comparator<String> order = Rank.<String>comparableComparator();
        TreeManager treeManager = new BTreeManager(testNode, 2, 4, order, true);
        PropertySequence properties = ItemSequence.createPropertySequence(treeManager, errorHandler);


        ValueFactory vFactory = testNode.getSession().getValueFactory();
        properties.addProperty("key", vFactory.createValue("key_"));
        assertTrue(properties.hasItem("key"));

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        assertEmpty(properties);
    }


    public void testPropertySequence() throws RepositoryException, IOException {
        Comparator<String> order = Rank.<String>comparableComparator();
        TreeManager treeManager = new BTreeManager(testNode, 2, 4, order, true);
        PropertySequence properties = ItemSequence.createPropertySequence(treeManager, errorHandler);


        List<String> words = loadWords();
        Collections.shuffle(words);

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