Examples with NodeState org.apache.jackrabbit.core.state.NodeState used on opensource projects

Example 31 with NodeState

use of org.apache.jackrabbit.core.state.NodeState in project jackrabbit by apache.

the class NodeStateEx method removeNode.

/**
     * removes recursively the node with the given id
     *
     * @param id node id
     * @throws ItemStateException if an error occurs
     */
private void removeNode(NodeId id) throws ItemStateException {
    NodeState state = (NodeState) stateMgr.getItemState(id);
    // remove properties
    for (Name name : state.getPropertyNames()) {
        PropertyId propId = new PropertyId(id, name);
        PropertyState propState = (PropertyState) stateMgr.getItemState(propId);
        stateMgr.destroy(propState);
    }
    state.removeAllPropertyNames();
    // remove child nodes
    for (ChildNodeEntry entry : state.getChildNodeEntries()) {
        removeNode(entry.getId());
    }
    state.removeAllChildNodeEntries();
    // destroy the state itself
    stateMgr.destroy(state);
}

Example 32 with NodeState

use of org.apache.jackrabbit.core.state.NodeState in project jackrabbit by apache.

the class InternalVersionManagerBase method createInternalVersionItem.

/**
     * Creates an {@link InternalVersionItem} based on the {@link NodeState}
     * identified by <code>id</code>.
     *
     * @param id    the node id of the version item.
     * @return the version item or <code>null</code> if there is no node state
     *         with the given <code>id</code>.
     * @throws RepositoryException if an error occurs while reading from the
     *                             version storage.
     */
protected InternalVersionItem createInternalVersionItem(NodeId id) throws RepositoryException {
    try {
        if (stateMgr.hasItemState(id)) {
            NodeState state = (NodeState) stateMgr.getItemState(id);
            NodeStateEx pNode = new NodeStateEx(stateMgr, ntReg, state, null);
            NodeId parentId = pNode.getParentId();
            InternalVersionItem parent = getItem(parentId);
            Name ntName = state.getNodeTypeName();
            if (ntName.equals(NameConstants.NT_FROZENNODE)) {
                return new InternalFrozenNodeImpl(this, pNode, parent);
            } else if (ntName.equals(NameConstants.NT_VERSIONEDCHILD)) {
                return new InternalFrozenVHImpl(this, pNode, parent);
            } else if (ntName.equals(NameConstants.NT_VERSION)) {
                return ((InternalVersionHistory) parent).getVersion(id);
            } else if (ntName.equals(NameConstants.NT_VERSIONHISTORY)) {
                return new InternalVersionHistoryImpl(this, pNode);
            } else if (ntName.equals(NameConstants.NT_ACTIVITY)) {
                return new InternalActivityImpl(this, pNode);
            } else {
                return null;
            }
        } else {
            return null;
        }
    } catch (ItemStateException e) {
        throw new RepositoryException(e);
    }
}

Example 33 with NodeState

use of org.apache.jackrabbit.core.state.NodeState in project jackrabbit by apache.

the class NodeStateEx method getName.

/**
     * returns the name of this node
     *
     * @return the name of this node
     */
public Name getName() {
    if (name == null) {
        try {
            NodeId parentId = nodeState.getParentId();
            NodeState parent = (NodeState) stateMgr.getItemState(parentId);
            name = parent.getChildNodeEntry(nodeState.getNodeId()).getName();
        } catch (ItemStateException e) {
            // should never occur
            throw new IllegalStateException(e.toString());
        }
    }
    return name;
}

Example 34 with NodeState

use of org.apache.jackrabbit.core.state.NodeState in project jackrabbit by apache.

the class ChangeLogRecord method readNodeRecord.

/**
     * Read a node record.
     *
     * @throws JournalException if an error occurs
     */
private void readNodeRecord() throws JournalException {
    int operation = record.readByte();
    NodeState state = new NodeState(record.readNodeId(), null, null, ItemState.STATUS_NEW, false);
    apply(operation, state);
}

Example 35 with NodeState

use of org.apache.jackrabbit.core.state.NodeState in project jackrabbit by apache.

the class WorkspaceImporter method resolveUUIDConflict.

/**
     * @param parent parent node state
     * @param conflicting conflicting node state
     * @param nodeInfo the node info
     * @return the resolved node state
     * @throws RepositoryException if an error occurs
     */
protected NodeState resolveUUIDConflict(NodeState parent, NodeState conflicting, NodeInfo nodeInfo) throws RepositoryException {
    NodeState node;
    if (uuidBehavior == ImportUUIDBehavior.IMPORT_UUID_CREATE_NEW) {
        // create new with new uuid:
        // check if new node can be added (check access rights &
        // node type constraints only, assume locking & versioning status
        // and retention/hold has already been checked on ancestor)
        itemOps.checkAddNode(parent, nodeInfo.getName(), nodeInfo.getNodeTypeName(), BatchedItemOperations.CHECK_ACCESS | BatchedItemOperations.CHECK_CONSTRAINTS);
        node = itemOps.createNodeState(parent, nodeInfo.getName(), nodeInfo.getNodeTypeName(), nodeInfo.getMixinNames(), null);
        // remember uuid mapping
        EffectiveNodeType ent = itemOps.getEffectiveNodeType(node);
        if (ent.includesNodeType(NameConstants.MIX_REFERENCEABLE)) {
            refTracker.mappedId(nodeInfo.getId(), node.getNodeId());
        }
    } else if (uuidBehavior == ImportUUIDBehavior.IMPORT_UUID_COLLISION_THROW) {
        // new node and share with existing
        if (conflicting.isShareable()) {
            itemOps.clone(conflicting, parent, nodeInfo.getName());
            return null;
        }
        String msg = "a node with uuid " + nodeInfo.getId() + " already exists!";
        log.debug(msg);
        throw new ItemExistsException(msg);
    } else if (uuidBehavior == ImportUUIDBehavior.IMPORT_UUID_COLLISION_REMOVE_EXISTING) {
        // make sure conflicting node is not importTarget or an ancestor thereof
        Path p0 = hierMgr.getPath(importTarget.getNodeId());
        Path p1 = hierMgr.getPath(conflicting.getNodeId());
        try {
            if (p1.equals(p0) || p1.isAncestorOf(p0)) {
                String msg = "cannot remove ancestor node";
                log.debug(msg);
                throw new ConstraintViolationException(msg);
            }
        } catch (MalformedPathException mpe) {
            // should never get here...
            String msg = "internal error: failed to determine degree of relationship";
            log.error(msg, mpe);
            throw new RepositoryException(msg, mpe);
        }
        // remove conflicting:
        // check if conflicting can be removed
        // (access rights, node type constraints, locking & versioning status)
        itemOps.checkRemoveNode(conflicting, BatchedItemOperations.CHECK_ACCESS | BatchedItemOperations.CHECK_LOCK | BatchedItemOperations.CHECK_CHECKED_OUT | BatchedItemOperations.CHECK_CONSTRAINTS | BatchedItemOperations.CHECK_HOLD | BatchedItemOperations.CHECK_RETENTION);
        // do remove conflicting (recursive)
        itemOps.removeNodeState(conflicting);
        // create new with given uuid:
        // check if new node can be added (check access rights &
        // node type constraints only, assume locking & versioning status
        // and retention/hold has already been checked on ancestor)
        itemOps.checkAddNode(parent, nodeInfo.getName(), nodeInfo.getNodeTypeName(), BatchedItemOperations.CHECK_ACCESS | BatchedItemOperations.CHECK_CONSTRAINTS);
        // do create new node
        node = itemOps.createNodeState(parent, nodeInfo.getName(), nodeInfo.getNodeTypeName(), nodeInfo.getMixinNames(), nodeInfo.getId());
    } else if (uuidBehavior == ImportUUIDBehavior.IMPORT_UUID_COLLISION_REPLACE_EXISTING) {
        NodeId parentId = conflicting.getParentId();
        if (parentId == null) {
            String msg = "root node cannot be replaced";
            log.debug(msg);
            throw new RepositoryException(msg);
        }
        // 'replace' current parent with parent of conflicting
        try {
            parent = itemOps.getNodeState(parentId);
        } catch (ItemNotFoundException infe) {
            // should never get here...
            String msg = "internal error: failed to retrieve parent state";
            log.error(msg, infe);
            throw new RepositoryException(msg, infe);
        }
        // remove conflicting:
        // check if conflicting can be removed
        // (access rights, node type constraints, locking & versioning status)
        itemOps.checkRemoveNode(conflicting, BatchedItemOperations.CHECK_ACCESS | BatchedItemOperations.CHECK_LOCK | BatchedItemOperations.CHECK_CHECKED_OUT | BatchedItemOperations.CHECK_CONSTRAINTS | BatchedItemOperations.CHECK_HOLD | BatchedItemOperations.CHECK_RETENTION);
        // '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
            parent.removeAllChildNodeEntries();
            for (ChildNodeEntry cne : cneList) {
                if (cne.getId().equals(nodeInfo.getId())) {
                    // replace entry with different name
                    parent.addChildNodeEntry(nodeInfo.getName(), nodeInfo.getId());
                } else {
                    parent.addChildNodeEntry(cne.getName(), cne.getId());
                }
            }
        }
    } else {
        String msg = "unknown uuidBehavior: " + uuidBehavior;
        log.debug(msg);
        throw new RepositoryException(msg);
    }
    return node;
}