Package org.apache.jackrabbit.core.state

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

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        WriteOperation operation = startWriteOperation();
        try {
            // check if the activity has any references in the workspaces
            NodeId nodeId = activity.getId();
            if (stateMgr.hasNodeReferences(nodeId)) {
                NodeReferences refs = stateMgr.getNodeReferences(nodeId);
                if (refs.hasReferences()) {
                    throw new ReferentialIntegrityException("Unable to delete activity. still referenced.");
                }
            }
            // TODO:
            // check if the activity is used in anywhere in the version storage
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            EffectiveNodeType ent = getEffectiveNodeType(targetState);
            if (ent.includesNodeType(NameConstants.MIX_REFERENCEABLE)) {
                NodeId targetId = targetState.getNodeId();
                if (stateMgr.hasNodeReferences(targetId)) {
                    try {
                        NodeReferences refs = stateMgr.getNodeReferences(targetId);
                        if (refs.hasReferences()) {
                            throw new ReferentialIntegrityException(safeGetJCRPath(targetPath)
                                    + ": cannot remove node with references");
                        }
                    } catch (ItemStateException ise) {
                        String msg = "internal error: failed to check references on "
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        WriteOperation operation = startWriteOperation();
        try {
            // check if the activity has any references in the workspaces
            NodeId nodeId = activity.getId();
            if (stateMgr.hasNodeReferences(nodeId)) {
                NodeReferences refs = stateMgr.getNodeReferences(nodeId);
                if (refs.hasReferences()) {
                    throw new ReferentialIntegrityException("Unable to delete activity. still referenced.");
                }
            }
            // TODO:
            // check if the activity is used in anywhere in the version storage
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        try {
            BufferedInputStream in =
                    new BufferedInputStream(itemStateFS.getInputStream(refsFilePath));
            try {
                NodeReferences refs = new NodeReferences(id);
                Serializer.deserialize(refs, in);
                return refs;
            } finally {
                in.close();
            }
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        sanityCheck();

        try {
            NodeReferencesId targetId = new NodeReferencesId((NodeId) id);
            if (stateMgr.hasNodeReferences(targetId)) {
                NodeReferences refs = stateMgr.getNodeReferences(targetId);
                // refs.getReferences() returns a list of PropertyId's
                List idList = refs.getReferences();
                return new LazyItemIterator(itemMgr, idList);
            } else {
                // there are no references, return empty iterator
                return IteratorHelper.EMPTY;
            }
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                if (!rs.next()) {
                    throw new NoSuchItemStateException(targetId.toString());
                }

                in = rs.getBinaryStream(1);
                NodeReferences refs = new NodeReferences(targetId);
                Serializer.deserialize(refs, in);

                return refs;
            } catch (Exception e) {
                if (e instanceof NoSuchItemStateException) {
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            throw new NoSuchItemStateException(id.toString());
        }

        ByteArrayInputStream in = new ByteArrayInputStream(data);
        try {
            NodeReferences refs = new NodeReferences(id);
            Serializer.deserialize(refs, in);
            return refs;
        } catch (Exception e) {
            String msg = "failed to load references: " + id;
            log.debug(msg);
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     */
    public boolean setNodeReferences(NodeReferences references) {
        aquireWriteLock();
        try {
            // filter out version storage intern ones
            NodeReferences refs = new NodeReferences(references.getId());
            Iterator iter = references.getReferences().iterator();
            while (iter.hasNext()) {
                PropertyId id = (PropertyId) iter.next();
                if (!hasItem(id.getParentId())) {
                    refs.addReference(id);
                }
            }

            ChangeLog log = new ChangeLog();
            log.modified(refs);
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     * {@inheritDoc}
     */
    protected List getItemReferences(InternalVersionItem item) {
        aquireReadLock();
        try {
            NodeReferences refs = pMgr.load(new NodeReferencesId(item.getId()));
            return refs.getReferences();
        } catch (ItemStateException e) {
            // ignore
        } finally {
            releaseReadLock();
        }
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                throws ReferentialIntegrityException, ItemStateException {
            // only store VV-type references and NV-type references

            // check whether targets of modified node references exist
            for (Iterator iter = changes.modifiedRefs(); iter.hasNext();) {
                NodeReferences refs = (NodeReferences) iter.next();
                NodeId id = refs.getTargetId();
                // no need to check existence of target if there are no references
                if (refs.hasReferences()) {
                    if (!changes.has(id) && !hasItemState(id)) {
                        // remove references
                        iter.remove();
                    }
                }
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Related Classes of org.apache.jackrabbit.core.state.NodeReferences

  • org.apache.jackrabbit.core.BatchedItemOperations
  • org.apache.jackrabbit.core.NodeImpl
  • org.apache.jackrabbit.core.persistence.AbstractPersistenceManager
  • org.apache.jackrabbit.core.persistence.bundle.AbstractBundlePersistenceManager
  • org.apache.jackrabbit.core.persistence.bundle.BundleDbPersistenceManager
  • org.apache.jackrabbit.core.persistence.bundle.BundleFsPersistenceManager
  • org.apache.jackrabbit.core.persistence.bundle.util.ItemStateBinding
  • org.apache.jackrabbit.core.persistence.db.DatabasePersistenceManager
  • org.apache.jackrabbit.core.persistence.mem.InMemBundlePersistenceManager
  • org.apache.jackrabbit.core.persistence.mem.InMemPersistenceManager
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