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(QName.MIX_REFERENCEABLE)) {
                NodeReferencesId refsId = new NodeReferencesId(targetState.getNodeId());
                if (stateMgr.hasNodeReferences(refsId)) {
                    try {
                        NodeReferences refs = stateMgr.getNodeReferences(refsId);
                        if (refs.hasReferences()) {
                            throw new ReferentialIntegrityException(safeGetJCRPath(targetId)
                                    + ": cannot remove node with references");
                        }
                    } catch (ItemStateException ise) {
                        String msg = "internal error: failed to check references on "
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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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            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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        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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        if (!refsStore.containsKey(id)) {
            throw new NoSuchItemStateException(id.toString());
        }

        try {
            NodeReferences refs = new NodeReferences(id);
            Serializer.deserialize(refs, new ByteArrayInputStream(refsStore.get(id)));
            return refs;
        } catch (Exception e) {
            String msg = "failed to read references: " + id;
            log.error(msg, e);
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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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        // check state of this instance
        sanityCheck();

        try {
            if (stateMgr.hasNodeReferences(getNodeId())) {
                NodeReferences refs = stateMgr.getNodeReferences(getNodeId());
                // refs.getReferences() returns a list of PropertyId's
                List<PropertyId> idList = refs.getReferences();
                if (name != null) {
                    Name qName;
                    try {
                        qName = sessionContext.getQName(name);
                    } catch (NameException e) {
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            // we're currently leverage the fact, that only references to "real"
            // workspaces are recorded. so check all references if their sources
            // exist in 'this' workspace
            if (stateMgr.hasNodeReferences(activityId)) {
                try {
                    NodeReferences refs = stateMgr.getNodeReferences(activityId);
                    for (PropertyId id: refs.getReferences()) {
                        if (!state.hasNode(id.getParentId())) {
                            throw new ActivityViolationException("Unable to checkout. " +
                                    "Activity is already used for the same node in " +
                                    "another workspace.");
                        }
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        }

        // store the refs
        iter = changeLog.modifiedRefs();
        while (iter.hasNext()) {
            NodeReferences refs = (NodeReferences) iter.next();
            if (refs.hasReferences()) {
                store(refs);
            } else {
                destroy(refs);
            }
        }
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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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