/************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
*
* Copyright 2008, 2010 Oracle and/or its affiliates. All rights reserved.
*
* Use is subject to license terms.
*
* Licensed 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. You can also
* obtain a copy of the License at http://odftoolkit.org/docs/license.txt
*
* 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.odftoolkit.odfdom.dom.example;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.junit.Ignore;
import org.junit.Test;
import org.odftoolkit.odfdom.doc.OdfDocument;
import org.odftoolkit.odfdom.dom.OdfContentDom;
import org.odftoolkit.odfdom.dom.OdfStylesDom;
public class LoadMultipleTimes {
final static int num = 50;
private static final Logger LOG = Logger.getLogger(LoadMultipleTimes.class.getName());
@Test
@Ignore
/** A testdocument will be loaded and closed repeatedly and the memory will be logged.
Loading is tested with and without disc memory usage */
public void testRepeatedLoading() {
System.setProperty("org.odftoolkit.odfdom.tmpfile.disable", "true");
repeatedLoading();
System.setProperty("org.odftoolkit.odfdom.tmpfile.disable", "false");
repeatedLoading();
}
// ToDO: Load instead the specification as extreme example (not neccessarily 50 times)
private void repeatedLoading() {
long t = 0;
for (int i = 0; i < num; i++) {
try {
long t1 = System.currentTimeMillis();
OdfDocument doc = OdfDocument.loadDocument("src/test/resources/test1.odt");
OdfContentDom dom1 = doc.getContentDom();
OdfStylesDom dom2 = doc.getStylesDom();
long t2 = System.currentTimeMillis() - t1;
t = t + t2;
LOG.info("Open in " + t2 + " milliseconds");
long f1 = Runtime.getRuntime().freeMemory();
doc.close();
Runtime.getRuntime().gc();
long f2 = Runtime.getRuntime().freeMemory();
LOG.info("Freemem pre-gc: " + f1 + ", post-gc: " + f2 + ", delta: " + (f1 - f2) + ".");
} catch (Exception ex) {
Logger.getLogger(LoadMultipleTimes.class.getName()).log(Level.SEVERE, null, ex);
}
}
LOG.info("Opening " + num + " times took " + t + " milliseconds");
}
}