| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.jackrabbit.oak.plugins.version; |
| |
| import org.apache.jackrabbit.oak.api.CommitFailedException; |
| import org.apache.jackrabbit.oak.spi.commit.CommitInfo; |
| import org.apache.jackrabbit.oak.spi.commit.DefaultEditor; |
| import org.apache.jackrabbit.oak.spi.commit.Editor; |
| import org.apache.jackrabbit.oak.spi.commit.EditorProvider; |
| import org.apache.jackrabbit.oak.spi.state.NodeBuilder; |
| import org.apache.jackrabbit.oak.spi.state.NodeState; |
| |
| import java.util.Set; |
| |
| import static org.apache.jackrabbit.JcrConstants.JCR_SYSTEM; |
| import static org.apache.jackrabbit.JcrConstants.JCR_VERSIONSTORAGE; |
| |
| /** |
| * This editor puts UUIDs of all processed versionables into |
| * {@link VersionableCollector#existingVersionables} set. The main purpose |
| * is to handle moved/renamed versionable nodes in the {@link OrphanedVersionCleaner}. |
| */ |
| class VersionableCollector extends DefaultEditor { |
| |
| private final ReadWriteVersionManager vMgr; |
| |
| private final Set<String> existingVersionables; |
| |
| VersionableCollector(ReadWriteVersionManager vMgr, Set<String> existingVersionables) { |
| this.vMgr = vMgr; |
| this.existingVersionables = existingVersionables; |
| } |
| |
| @Override |
| public void leave(NodeState before, NodeState after) throws CommitFailedException { |
| if (vMgr.isVersionable(after)) { |
| existingVersionables.add(Utils.uuidFromNode(after)); |
| } |
| } |
| |
| @Override |
| public Editor childNodeAdded(String name, NodeState after) throws CommitFailedException { |
| return this; |
| } |
| |
| @Override |
| public Editor childNodeChanged(String name, NodeState before, NodeState after) throws CommitFailedException { |
| return this; |
| } |
| |
| @Override |
| public Editor childNodeDeleted(String name, NodeState before) throws CommitFailedException { |
| return this; |
| } |
| |
| static class Provider implements EditorProvider { |
| |
| private final Set<String> existingVersionables; |
| |
| Provider(Set<String> existingVersionables) { |
| this.existingVersionables = existingVersionables; |
| } |
| |
| @Override |
| public Editor getRootEditor(NodeState before, NodeState after, NodeBuilder builder, CommitInfo info) throws CommitFailedException { |
| if (!builder.hasChildNode(JCR_SYSTEM)) { |
| return null; |
| } |
| NodeBuilder system = builder.child(JCR_SYSTEM); |
| if (!system.hasChildNode(JCR_VERSIONSTORAGE)) { |
| return null; |
| } |
| NodeBuilder versionStorage = system.child(JCR_VERSIONSTORAGE); |
| ReadWriteVersionManager vMgr = new ReadWriteVersionManager(versionStorage, builder); |
| return new VersionableCollector(vMgr, existingVersionables); |
| } |
| |
| } |
| } |