| /* |
| * 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.spi.commit.CommitInfo; |
| import org.apache.jackrabbit.oak.spi.commit.CompositeEditor; |
| import org.apache.jackrabbit.oak.spi.commit.Editor; |
| import org.apache.jackrabbit.oak.spi.commit.EditorProvider; |
| import org.apache.jackrabbit.oak.spi.commit.SubtreeEditor; |
| import org.apache.jackrabbit.oak.spi.commit.VisibleEditor; |
| import org.apache.jackrabbit.oak.spi.state.NodeBuilder; |
| import org.apache.jackrabbit.oak.spi.state.NodeState; |
| |
| import static org.apache.jackrabbit.JcrConstants.JCR_SYSTEM; |
| import static org.apache.jackrabbit.oak.spi.nodetype.NodeTypeConstants.JCR_VERSIONSTORAGE; |
| |
| /** |
| * A provider creating two editors: {@link VersionEditor} |
| * {@link VersionStorageEditor}. |
| * <p> |
| * Historically, it has been used to initalize the Jcr repository. Now, the |
| * more general {@link VersionHook} should be passed there using the {@code with()} |
| * method. |
| */ |
| class VersionEditorProvider implements EditorProvider { |
| |
| @Override |
| public Editor getRootEditor( |
| NodeState before, NodeState after, |
| NodeBuilder builder, CommitInfo info) { |
| 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); |
| return new VisibleEditor(new CompositeEditor( |
| new VersionEditor(versionStorage, builder, info), |
| new SubtreeEditor( |
| new VersionStorageEditor(versionStorage, builder), |
| JCR_SYSTEM, JCR_VERSIONSTORAGE))); |
| } |
| |
| } |