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

Package org.apache.jackrabbit.commons.flat

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

org.apache.jackrabbit.commons.flat.TreeTraverser

Utility class for traversing the {@link Item}s of a JCR hierarchy rooted at a specific {@link Node}.

This class provides an {@link Iterator} of JCR items either through itsimplementation of {@link Iterable} or through various static factory methods.The iterators return its elements in pre-order. That is, each node occurs before its child nodes are traversed. The order in which child nodes are traversed is determined by the underlying JCR implementation. Generally the order is not specified unless a {@link Node} has orderable child nodes.

Whether a specific node is included is determined by an {@link #InclusionPolicy}. Error occurring while traversing are delegated to an {@link #ErrorHandler}.

    private static void checkTreeProperty(Node root, int minChildren, int maxChildren, Comparator<String> order)
            throws RepositoryException {


        int depth = -1;


        for (Node node : new TreeTraverser(root)) {
            String parentName = node.getName();


            if (node.hasNodes()) {
                int childCount = 0;
                for (NodeIterator nodes = node.getNodes(); nodes.hasNext(); ) {

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            leaves.add(node);
        }
    }


    public void testTraverseNodesEmpty() throws RepositoryException {
        TreeTraverser traverser = new TreeTraverser(testNode, errorHandler, TreeTraverser.InclusionPolicy.ALL);
        checkNodes(traverser, singleton(""), testNode.getPath());
    }

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        TreeTraverser traverser = new TreeTraverser(testNode, errorHandler, TreeTraverser.InclusionPolicy.ALL);
        checkNodes(traverser, singleton(""), testNode.getPath());
    }


    public void testTraverseLeavesEmpty() throws RepositoryException {
        TreeTraverser traverser = new TreeTraverser(testNode, errorHandler, TreeTraverser.InclusionPolicy.LEAVES);
        checkNodes(traverser, singleton(""), testNode.getPath());
    }

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        checkNodes(traverser, singleton(""), testNode.getPath());
    }


    public void testTraverseNodes() throws RepositoryException {
        addNodes(testNode, nodes);
        TreeTraverser traverser = new TreeTraverser(testNode, errorHandler, TreeTraverser.InclusionPolicy.ALL);
        checkNodes(traverser, nodes.iterator(), testNode.getPath());
    }

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        checkNodes(traverser, nodes.iterator(), testNode.getPath());
    }


    public void testTraverseLeaves() throws RepositoryException {
        addNodes(testNode, nodes);
        TreeTraverser traverser = new TreeTraverser(testNode, errorHandler, TreeTraverser.InclusionPolicy.LEAVES);
        checkNodes(traverser, leaves.iterator(), testNode.getPath());
    }

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Related Classes of org.apache.jackrabbit.commons.flat.TreeTraverser

org.apache.jackrabbit.commons.predicate.Predicate

org.apache.jackrabbit.core.integration.ItemSequenceTest

org.apache.jackrabbit.core.integration.TreeTraverserTest

javax.jcr.NodeIterator

javax.jcr.Node

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