trunk/oak-benchmarks/src/main/java/org/apache/jackrabbit/oak/benchmark/UpdateManyChildNodesTest.java

/*
 * 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.benchmark;

import javax.jcr.Node;
import javax.jcr.RepositoryException;
import javax.jcr.Session;

/**
 * Test for measuring the performance of adding one extra child node to 
 * node with {@value #CHILD_COUNT} existing child nodes.
 */
public class UpdateManyChildNodesTest extends AbstractTest {
    
    protected static final String ROOT_NODE_NAME = "update" + TEST_ID;

    protected static final int CHILD_COUNT = 10 * 1000;

    private Session session;
    private Node node;
    private int count;

    @Override
    public void beforeSuite() throws RepositoryException {
        session = getRepository().login(getCredentials());
        node = session.getRootNode().addNode(ROOT_NODE_NAME, "nt:folder");
        for (int i = 0; i < CHILD_COUNT; i++) {
            node.addNode("node" + i, "nt:folder");
            if (i % 1000 == 0) {
                session.save();
            }
        }
        session.save();
    }

    @Override
    public void beforeTest() throws RepositoryException {
        count++;
    }

    @Override
    public void runTest() throws Exception {
        node.addNode("onemore" + count, "nt:folder");
        session.save();
    }

    @Override
    public void afterTest() throws RepositoryException {
        node.getNode("onemore" + count).remove();
        session.save();
    }

    @Override
    public void afterSuite() throws RepositoryException {
        session.getRootNode().getNode(ROOT_NODE_NAME).remove();
        session.save();
        session.logout();
    }

}