Examples of org.apache.jackrabbit.spi.NodeInfo

org.apache.jackrabbit.spi.NodeInfo
The NodeInfo provides the basic information required to build nodes making up the repository hierarchy.
Note however, that the list of child nodes does not form part of a NodeInfo. It is retrieved by calling {@link RepositoryService#getChildInfos(SessionInfo,NodeId)}. In case of {@link RepositoryService#getItemInfos(SessionInfo,NodeId) batch read} thechild nodes might be part of the returned Iterator.

        NodeId id = rs.getIdFactory().createNodeId(nid, resolver.getQPath("aNode"));
        Iterator<? extends ItemInfo> it = rs.getItemInfos(si, id);
        while (it.hasNext()) {
            ItemInfo info = it.next();
            if (info.denotesNode()) {
                NodeInfo nInfo = (NodeInfo) info;
                assertEquals(NameConstants.NT_UNSTRUCTURED, nInfo.getNodetype());
                Iterator<ChildInfo> childIt = nInfo.getChildInfos();
                assertTrue(childIt == null || !childIt.hasNext());
                assertEquals(id, nInfo.getId());
            }
        }


        b = rs.createBatch(si, nid);
        b.remove(id);

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        NodeId id = getNodeId(testPath + "/testUUIDNode");
        b.setMixins(id, new Name[] {NameConstants.MIX_REFERENCEABLE});


        rs.submit(b);


        NodeInfo nInfo = rs.getNodeInfo(si, id);
        assertEquals(uuid, nInfo.getId().getUniqueID());
        Name[] mixins = nInfo.getMixins();
        assertEquals(1, mixins.length);
        assertEquals(NameConstants.MIX_REFERENCEABLE, mixins[0]);


        b = rs.createBatch(si, nid);
        b.remove(rs.getIdFactory().createNodeId(uuid));

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        b = rs.createBatch(si, id);
        b.setMixins(id, new Name[0]);
        rs.submit(b);


        NodeInfo nInfo = rs.getNodeInfo(si, id);
        assertEquals(0, nInfo.getMixins().length);
    }

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        assertEquals(PropertyType.BOOLEAN, pi.getType());
    }


    public void testSetReferenceValue() throws RepositoryException {
        NodeId nid = getNodeId(testPath);
        NodeInfo nInfo = rs.getNodeInfo(si, nid);
        if (!Arrays.asList(nInfo.getMixins()).contains(NameConstants.MIX_REFERENCEABLE)) {
            Batch b = rs.createBatch(si, nid);
            b.setMixins(nid, new Name[] {NameConstants.MIX_REFERENCEABLE});
            rs.submit(b);
        }

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        assertEquals(PropertyType.REFERENCE, pi.getType());
    }


    public void testSetWeakReferenceValue() throws RepositoryException {
        NodeId nid = getNodeId(testPath);
        NodeInfo nInfo = rs.getNodeInfo(si, nid);
        if (!Arrays.asList(nInfo.getMixins()).contains(NameConstants.MIX_REFERENCEABLE)) {
            Batch b = rs.createBatch(si, nid);
            b.setMixins(nid, new Name[] {NameConstants.MIX_REFERENCEABLE});
            rs.submit(b);
        }

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            throws ItemNotFoundException, RepositoryException {
        NodeState nodeState;
        ItemInfos infos = new ItemInfos(itemInfos);
        // first entry in the iterator is the originally requested Node.
        if (infos.hasNext()) {
            NodeInfo first = (NodeInfo) infos.next();
            if (isDeep) {
                // for a deep state, the hierarchy entry does not correspond to
                // the given NodeEntry -> retrieve NodeState before executing
                // validation check.
                nodeState = createDeepNodeState(first, entry, infos);

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         * by the given <code>parentId</code> or <code>null</code> if the parent
         * has not been read yet, has already been processed (childInfo is up
         * to date) or does not provide child infos.
         */
        private Iterator<ChildInfo> getChildInfos(NodeId parentId) {
            NodeInfo nodeInfo = nodeInfos.get(parentId);
            while (nodeInfo == null && prefetch()) {
                nodeInfo = nodeInfos.get(parentId);
            }
            return nodeInfo == null? null : nodeInfo.getChildInfos();
        }

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        private boolean prefetch() {
            if (infos.hasNext()) {
                ItemInfo info = infos.next();
                prefetchQueue.add(info);
                if (info.denotesNode()) {
                    NodeInfo nodeInfo = (NodeInfo) info;
                    nodeInfos.put(nodeInfo.getId(), nodeInfo);
                }
                return true;
            } else {
                return false;
            }

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        // TODO: implement batch read properly:
        // currently: missing 'value/values' property PropertyInfo cannot be built
        // currently: missing prop-names with child-NodeInfo
        if (itemId.denotesNode()) {
            List<ItemInfo> l = new ArrayList<ItemInfo>();
            NodeInfo nInfo = getNodeInfo(sessionInfo, (NodeId) itemId);
            l.add(nInfo);
            // at least add propertyInfos for the meta-props already known from the
            // nodeInfo.
            l.addAll(buildPropertyInfos(nInfo));
            return l.iterator();

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        // build new node state from server information
        try {
            NodeState nodeState;
            if (entry.getStatus() == Status.INVALIDATED) {
                // simple reload -> don't use batch-read
                NodeInfo nInfo = service.getNodeInfo(sessionInfo, nodeId);
                nodeState = createItemStates(nodeId, Collections.singletonList(nInfo).iterator(), entry, false);
            } else {
                Iterator infos = service.getItemInfos(sessionInfo, nodeId);
                nodeState = createItemStates(nodeId, infos, entry, false);
            }

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