/*
* 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.Node;
import javax.jcr.NodeIterator;
import javax.jcr.RepositoryException;
import javax.jcr.Session;
/**
* <code>CreateNodes</code> creates a node hierarchy with a given number of
* levels and nodes per level.
*/
public class CreateNodes extends Operation {
private static final Logger log = LoggerFactory.getLogger(CreateNodes.class);
private final int numLevels;
private final int nodesPerLevel;
private final String[] mixins;
private final int saveInterval;
public CreateNodes(Session s,
String path,
int numLevels,
int nodesPerLevel,
String[] mixins,
int saveInterval) {
super(s, path);
this.numLevels = numLevels;
this.nodesPerLevel = nodesPerLevel;
this.mixins = mixins;
this.saveInterval = saveInterval;
}
/**
* Returns the top of the created node hierarchy.
*/
public NodeIterator execute() throws Exception {
Node n = getNode();
addMixins(n);
createNodes(n, nodesPerLevel, numLevels, 0);
return wrapWithIterator(n);
}
private int createNodes(Node n, int nodesPerLevel, int levels, int count)
throws RepositoryException {
levels--;
for (int i = 0; i < nodesPerLevel; i++) {
Node child = n.addNode("node" + i);
count++;
addMixins(child);
log.info("Create node {}", child.getPath());
if (count % saveInterval == 0) {
getSession().save();
log.debug("Created " + (count / 1000) + "k nodes");
}
if (levels > 0) {
count = createNodes(child, nodesPerLevel, levels, count);
}
}
if (levels == 0) {
// final save
getSession().save();
}
return count;
}
private void addMixins(Node node) throws RepositoryException {
for (int i = 0; i < mixins.length; i++) {
if (!node.isNodeType(mixins[i])) {
node.addMixin(mixins[i]);
}
}
}
}