Package org.apache.jackrabbit.core.state

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


    /**
     * {@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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        // this unfortunately changes the order of this node's
        // child node entries (JCR-1055);
        // => backup list of child node entries beforehand in order
        // to restore it afterwards
        NodeState state = data.getNodeState();
        ChildNodeEntry cneExisting = state.getChildNodeEntry(id);
        if (cneExisting == null) {
            throw new ItemNotFoundException(
                    this + ": no child node entry with id " + id);
        }
        List<ChildNodeEntry> cneList = new ArrayList<ChildNodeEntry>(state.getChildNodeEntries());

        // remove existing
        existing.remove();

        // create new child node
        NodeImpl node = addNode(nodeName, nodeTypeName, id);
        if (mixinNames != null) {
            for (Name mixinName : mixinNames) {
                node.addMixin(mixinName);
            }
        }

        // fetch <code>state</code> again, as it changed while removing child
        state = data.getNodeState();

        // restore list of child node entries (JCR-1055)
        if (cneExisting.getName().equals(nodeName)) {
            // restore original child node list
            state.setChildNodeEntries(cneList);
        } else {
            // replace child node entry with different name
            // but preserving original position
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            String msg = "no definition found in parent node's node type for new node";
            log.debug(msg);
            throw new ConstraintViolationException(msg, re);
        }
        NodeState thisState = data.getNodeState();
        ChildNodeEntry cne = thisState.getChildNodeEntry(name, 1);
        if (cne != null) {
            // there's already a child node entry with that name;
            // check same-name sibling setting of new node
            if (!def.allowsSameNameSiblings()) {
                throw new ItemExistsException(itemMgr.safeGetJCRPath(nodePath));
            }
            // check same-name sibling setting of existing node
            NodeId newId = cne.getId();
            if (!((NodeImpl) itemMgr.getItem(newId)).getDefinition().allowsSameNameSiblings()) {
                throw new ItemExistsException(itemMgr.safeGetJCRPath(nodePath));
            }
        }
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        }

        try {
            NodeState parent =
                    (NodeState) stateMgr.getItemState(parentId);
            ChildNodeEntry parentEntry =
                    parent.getChildNodeEntry(getNodeId());
            return parentEntry.getIndex();
        } catch (ItemStateException ise) {
            // should never get here...
            String msg = "internal error: failed to determine index";
            log.error(msg, ise);
            throw new RepositoryException(msg, ise);
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        NodeId parentId = getParentId();
        NodeImpl parentNode = (NodeImpl) getParent();
        Path parentPath = parentNode.getPrimaryPath();
        PathBuilder builder = new PathBuilder(parentPath);

        ChildNodeEntry entry =
            parentNode.getNodeState().getChildNodeEntry(getNodeId());
        if (entry == null) {
            String msg = "failed to build path of " + id + ": "
                    + parentId + " has no child entry for "
                    + id;
            log.debug(msg);
            throw new ItemNotFoundException(msg);
        }
        // add to path
        if (entry.getIndex() == 1) {
            builder.addLast(entry.getName());
        } else {
            builder.addLast(entry.getName(), entry.getIndex());
        }
        return builder.getPath();
    }
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        // use temp array to avoid ConcurrentModificationException
        ArrayList<ChildNodeEntry> list = new ArrayList<ChildNodeEntry>(thisState.getChildNodeEntries());
        // start from tail to avoid problems with same-name siblings
        for (int i = list.size() - 1; i >= 0; i--) {
            ChildNodeEntry entry = list.get(i);
            try {
                NodeState nodeState = (NodeState) stateMgr.getItemState(entry.getId());
                if (!allDefs.contains(itemMgr.getDefinition(nodeState).unwrap())) {
                    // try to find new applicable definition first and
                    // redefine node if possible
                    try {
                        NodeImpl node = (NodeImpl) itemMgr.getItem(nodeState.getId());
                        if (node.getDefinition().isProtected()) {
                            // remove 'orphaned' protected child node immediately
                            removeChildNode(entry.getName(), entry.getIndex());
                            continue;
                        }
                        NodeDefinitionImpl ndi = getApplicableChildNodeDefinition(
                                entry.getName(),
                                nodeState.getNodeTypeName());
                        // redefine node
                        node.onRedefine(ndi.unwrap());
                        // update collection of added definitions
                        addedDefs.remove(ndi.unwrap());
                    } catch (ConstraintViolationException cve) {
                        // no suitable definition found for this child node,
                        // remove it
                        removeChildNode(entry.getName(), entry.getIndex());
                    }
                }
            } catch (ItemStateException ise) {
                String msg = entry.getName() + ": failed to retrieve node state";
                log.error(msg, ise);
                throw new RepositoryException(msg, ise);
            }
        }
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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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        // modify the state of 'this', i.e. the parent node
        NodeState thisState = (NodeState) getOrCreateTransientItemState();
        if (index == 0) {
            index = 1;
        }
        ChildNodeEntry entry =
                thisState.getChildNodeEntry(nodeName, index);
        if (entry == null) {
            String msg = "failed to remove child " + nodeName + " of " + this;
            log.debug(msg);
            throw new RepositoryException(msg);
        }

        // notify target of removal
        NodeId childId = entry.getId();
        NodeImpl childNode = itemMgr.getNode(childId, getNodeId());
        childNode.onRemove(getNodeId());

        // remove the child node entry
        if (!thisState.removeChildNodeEntry(nodeName, index)) {
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            // remove child nodes
            // use temp array to avoid ConcurrentModificationException
            ArrayList<ChildNodeEntry> tmp = new ArrayList<ChildNodeEntry>(thisState.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);
                // recursively remove child node
                NodeId childId = entry.getId();
                //NodeImpl childNode = (NodeImpl) itemMgr.getItem(childId);
                NodeImpl childNode = itemMgr.getNode(childId, getNodeId());
                childNode.onRemove(thisState.getNodeId());
                // remove the child node entry
                thisState.removeChildNodeEntry(entry.getName(), entry.getIndex());
            }
        }

        // remove properties
        // use temp set to avoid ConcurrentModificationException
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        NodeState thisState = data.getNodeState();
        if (index == 0) {
            index = 1;
        }
        ChildNodeEntry cne = thisState.getChildNodeEntry(name, index);
        if (cne == null) {
            throw new ItemNotFoundException();
        }
        try {
            return itemMgr.getNode(cne.getId(), getNodeId());
        } catch (AccessDeniedException ade) {
            throw new ItemNotFoundException();
        }
    }
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