/*
* Copyright 1998-2009 University Corporation for Atmospheric Research/Unidata
*
* Portions of this software were developed by the Unidata Program at the
* University Corporation for Atmospheric Research.
*
* Access and use of this software shall impose the following obligations
* and understandings on the user. The user is granted the right, without
* any fee or cost, to use, copy, modify, alter, enhance and distribute
* this software, and any derivative works thereof, and its supporting
* documentation for any purpose whatsoever, provided that this entire
* notice appears in all copies of the software, derivative works and
* supporting documentation. Further, UCAR requests that the user credit
* UCAR/Unidata in any publications that result from the use of this
* software or in any product that includes this software. The names UCAR
* and/or Unidata, however, may not be used in any advertising or publicity
* to endorse or promote any products or commercial entity unless specific
* written permission is obtained from UCAR/Unidata. The user also
* understands that UCAR/Unidata is not obligated to provide the user with
* any support, consulting, training or assistance of any kind with regard
* to the use, operation and performance of this software nor to provide
* the user with any updates, revisions, new versions or "bug fixes."
*
* THIS SOFTWARE IS PROVIDED BY UCAR/UNIDATA "AS IS" AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL UCAR/UNIDATA BE LIABLE FOR ANY SPECIAL,
* INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
* FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
* WITH THE ACCESS, USE OR PERFORMANCE OF THIS SOFTWARE.
*/
package ucar.nc2.util.cache;
import junit.framework.TestCase;
import ucar.nc2.util.CancelTask;
import ucar.nc2.dataset.NetcdfDataset;
import ucar.nc2.NetcdfFile;
import ucar.nc2.Variable;
import ucar.nc2.ncml.TestNcML;
import ucar.nc2.ncml.NcMLReader;
import ucar.ma2.InvalidRangeException;
import ucar.ma2.Array;
import ucar.unidata.io.RandomAccessFile;
import ucar.unidata.util.StringUtil;
import java.io.IOException;
import java.io.StringReader;
import java.util.List;
/**
* Class Description.
*
* @author caron
* @since Oct 7, 2008
*/
public class TestAggCleanup extends TestCase {
public TestAggCleanup( String name) {
super(name);
}
FileCache cache;
FileFactory factory = new MyFileFactory();
protected void setUp() throws java.lang.Exception {
cache = new FileCache(5, 100, 60 * 60);
}
class MyFileFactory implements FileFactory {
public FileCacheable open(String location, int buffer_size, CancelTask cancelTask, Object iospMessage) throws IOException {
return NetcdfDataset.openFile(location, buffer_size, cancelTask, iospMessage);
}
}
String ncml =
"<?xml version='1.0' encoding='UTF-8'?>\n" +
"<netcdf xmlns='http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2'>\n" +
" <aggregation dimName='time' type='joinExisting'>\n" +
" <scan location='D:/data/fileCache/dir%' suffix='.nc' />\n" +
" </aggregation>\n" +
"</netcdf>";
public void testCache() throws IOException, InvalidRangeException, InterruptedException {
String filename = "file:"+ TestNcML.topDir + "offsite/aggExistingSSTA.xml";
RandomAccessFile.setDebugLeaks( true);
List<String> openfiles = RandomAccessFile.getOpenFiles();
int count = openfiles.size();
System.out.println("starting files="+count);
NetcdfDataset.initNetcdfFileCache(0, 2, 5, 10*60);
for (int i=0; i<10; i++) {
String ncmli = StringUtil.replace(ncml,'%',Integer.toString(i));
NetcdfFile ncfile = NcMLReader.readNcML(new StringReader(ncmli), filename, null);
System.out.println(" TestNcmlAggExisting.open "+ filename);
Variable timev = ncfile.findVariable("time");
Array timeD = timev.read();
int count1 = RandomAccessFile.getOpenFiles().size();
System.out.printf("count files at dir %d count= %d%n", i, count1);
ncfile.close();
}
int count2 = RandomAccessFile.getOpenFiles().size();
System.out.println("ending files="+count2);
//assert count == count2 : "openFile count "+count +"!="+ count2;
Thread.currentThread().sleep(1000 * 10); // sleep 10 seconds
System.out.println("exiting files="+count2);
}
}