Examples of org.apache.jackrabbit.core.state.ChildNodeEntry

Package org.apache.jackrabbit.core.state

Examples of org.apache.jackrabbit.core.state.ChildNodeEntry

org.apache.jackrabbit.core.state.ChildNodeEntry
ChildNodeEntry specifies the name, index (in the case of same-name siblings) and the UUID of a child node entry.
ChildNodeEntry instances are immutable.

            // 'replace' is actually a 'remove existing/add new' operation;
            // this unfortunately changes the order of the parent's
            // child node entries (JCR-1055);
            // => backup list of child node entries beforehand in order
            // to restore it afterwards
            ChildNodeEntry cneConflicting = parent.getChildNodeEntry(nodeInfo.getId());
            List<ChildNodeEntry> cneList = new ArrayList<ChildNodeEntry>(parent.getChildNodeEntries());
            // do remove conflicting (recursive)
            itemOps.removeNodeState(conflicting);
            // create new with given uuid at same location as conflicting:
            // check if new node can be added at other location
            // (access rights, node type constraints, locking & versioning
            // status and retention/hold)
            itemOps.checkAddNode(parent, nodeInfo.getName(),
                    nodeInfo.getNodeTypeName(),
                    BatchedItemOperations.CHECK_ACCESS
                    | BatchedItemOperations.CHECK_LOCK
                    | BatchedItemOperations.CHECK_CHECKED_OUT
                    | BatchedItemOperations.CHECK_CONSTRAINTS
                    | BatchedItemOperations.CHECK_HOLD
                    | BatchedItemOperations.CHECK_RETENTION);
            // do create new node
            node = itemOps.createNodeState(parent, nodeInfo.getName(),
                    nodeInfo.getNodeTypeName(), nodeInfo.getMixinNames(),
                    nodeInfo.getId());
            // restore list of child node entries (JCR-1055)
            if (cneConflicting.getName().equals(nodeInfo.getName())) {
                // restore original child node list
                parent.setChildNodeEntries(cneList);
            } else {
                // replace child node entry with different name
                // but preserving original position

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                log.debug("skipping node " + nodeName);
                return;
            }
            if (parent.hasChildNodeEntry(nodeName)) {
                // a node with that name already exists...
                ChildNodeEntry entry =
                        parent.getChildNodeEntry(nodeName, 1);
                NodeId idExisting = entry.getId();
                NodeState existing = (NodeState) itemOps.getItemState(idExisting);
                QNodeDefinition def = itemOps.findApplicableNodeDefinition(
                        nodeName, existing.getNodeTypeName(), parent);


                if (!def.allowsSameNameSiblings()) {

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            // check for name collisions
            if (parentState.hasChildNodeEntry(nodeName)) {
                // there's already a node with that name...


                // get definition of existing conflicting node
                ChildNodeEntry entry = parentState.getChildNodeEntry(nodeName, 1);
                NodeState conflictingState;
                NodeId conflictingId = entry.getId();
                try {
                    conflictingState = (NodeState) stateMgr.getItemState(conflictingId);
                } catch (ItemStateException ise) {
                    String msg =
                        "internal error: failed to retrieve state of "

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            // remove child nodes
            // use temp array to avoid ConcurrentModificationException
            ArrayList<ChildNodeEntry> tmp = new ArrayList<ChildNodeEntry>(targetState.getChildNodeEntries());
            // remove from tail to avoid problems with same-name siblings
            for (int i = tmp.size() - 1; i >= 0; i--) {
                ChildNodeEntry entry = tmp.get(i);
                NodeId nodeId = entry.getId();
                try {
                    NodeState nodeState = (NodeState) stateMgr.getItemState(nodeId);
                    // check if child node can be removed
                    // (access rights, locking & versioning status as well
                    //  as retention and hold);
                    // referential integrity (references) is checked
                    // on commit
                    checkRemoveNode(nodeState, targetState.getNodeId(),
                            CHECK_ACCESS
                            | CHECK_LOCK
                            | CHECK_CHECKED_OUT
                            | CHECK_HOLD
                            | CHECK_RETENTION
                    );
                    // remove child node
                    recursiveRemoveNodeState(nodeState);
                } catch (ItemStateException ise) {
                    String msg = "internal error: failed to retrieve state of "
                            + nodeId;
                    log.debug(msg);
                    throw new RepositoryException(msg, ise);
                }
                // remove child node entry
                targetState.removeChildNodeEntry(entry.getName(), entry.getIndex());
            }
        }


        // remove properties
        // use temp set to avoid ConcurrentModificationException

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    /**
     * {@inheritDoc}
     */
    public NodeId getFrozenNodeId() {
        ChildNodeEntry entry = node.getState().getChildNodeEntry(NameConstants.JCR_FROZENNODE, 1);
        if (entry == null) {
            throw new InternalError("version has no frozen node: " + getId());
        }
        return entry.getId();
    }

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                nodeStates = Collections.singletonList(context).iterator();
            } else if (axis == CHILD) {
                nodeStates = new AbstractIteratorDecorator(
                        context.getChildNodeEntries().iterator()) {
                    public Object next() {
                        ChildNodeEntry cne =
                                (ChildNodeEntry) super.next();
                        try {
                            return ism.getItemState(cne.getId());
                        } catch (ItemStateException e) {
                            NoSuchElementException nsee = new NoSuchElementException("No node with id " + cne.getId() + " found in child axis");
                            nsee.initCause(e);
                            throw nsee;
                        }
                    }
                };

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                for (int i = 0; i < props.length; i++) {
                    props[i].notifyStateUpdated();
                }
                Iterator iter = state.getChildNodeEntries().iterator();
                while (iter.hasNext()) {
                    ChildNodeEntry pe = (ChildNodeEntry) iter.next();
                    invalidateItem(pe.getId(), true);
                }
            }
            state.notifyStateUpdated();
        }
    }

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        }
        // child nodes (list of name/uuid pairs)
        Collection<ChildNodeEntry> collChildren = state.getChildNodeEntries();
        out.writeInt(collChildren.size()); // count
        for (Iterator<ChildNodeEntry> iter = collChildren.iterator(); iter.hasNext();) {
            ChildNodeEntry entry = iter.next();
            out.writeUTF(entry.getName().toString());   // name
            out.write(entry.getId().getRawBytes());    // uuid
        }
    }

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                // child nodes
                writer.write("\t<" + NODES_ELEMENT + ">\n");
                iter = state.getChildNodeEntries().iterator();
                while (iter.hasNext()) {
                    ChildNodeEntry entry = (ChildNodeEntry) iter.next();
                    writer.write("\t\t<" + NODE_ELEMENT + " "
                            + NAME_ATTRIBUTE + "=\"" + Text.encodeIllegalXMLCharacters(entry.getName().toString()) + "\" "
                            + UUID_ATTRIBUTE + "=\"" + entry.getId() + "\">\n");
                    writer.write("\t\t</" + NODE_ELEMENT + ">\n");
                }
                writer.write("\t</" + NODES_ELEMENT + ">\n");


                writer.write("</" + NODE_ELEMENT + ">\n");

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                NodeState thisState = data.getNodeState();
                int index = pe.getIndex();
                if (index == 0) {
                    index = 1;
                }
                ChildNodeEntry cne =
                        thisState.getChildNodeEntry(pe.getName(), index);
                if (cne != null) {
                    return cne.getId();
                } else {
                    // there's no child node with that name
                    return null;
                }
            }

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