/*
* 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.core.integration.random.operation;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.jcr.Session;
import javax.jcr.NodeIterator;
import javax.jcr.Node;
import javax.jcr.version.VersionHistory;
/**
* <code>RemoveVersionLabel</code> removes a randomly chosen version label on
* the version history of the current node.
*/
public class RemoveVersionLabel extends VersionOperation {
private static final Logger log = LoggerFactory.getLogger(RemoveVersionLabel.class);
public RemoveVersionLabel(Session s, String path) {
super(s, path);
}
public NodeIterator execute() throws Exception {
Node n = getNode();
VersionHistory vh = n.getVersionHistory();
String[] labels = vh.getVersionLabels();
if (labels.length > 0) {
String label = labels[getRandom().nextInt(labels.length)];
log.info(n.getPath() + " -> " + label);
vh.removeVersionLabel(label);
}
return wrapWithIterator(n);
}
}