/*
* 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.felix.scr.annotations.Component;
import org.apache.felix.scr.annotations.Service;
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.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.plugins.nodetype.NodeTypeConstants.JCR_VERSIONSTORAGE;
@Component
@Service(EditorProvider.class)
public 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 VersionStorageEditor(versionStorage, builder)));
}
}