@Test
public void testCacheIsUsed() throws IOException, InvalidRangeException {
String filename = "file:TestAggExistingCache.xml";
System.out.printf("%s%n", filename);
String cacheDirName = TestDir.temporaryLocalDataDir + "testAggExistingCache/";
System.out.printf("cacheDir=%s%n", cacheDirName);
File cacheDir = new File(cacheDirName);
FileUtils.deleteDirectory(cacheDir); // from commons-io
assert !cacheDir.exists();
DiskCache2 cache = new DiskCache2(cacheDirName, false, 0, 0);
cache.setAlwaysUseCache(true);
Assert.assertEquals(cache.getRootDirectory(), cacheDirName);
assert new File(cache.getRootDirectory()).exists();
Aggregation.setPersistenceCache(cache);
AggregationExisting.countCacheUse = 0;
try (NetcdfFile ncfile = NcMLReader.readNcML(new StringReader(ncml), filename, null)) {
System.out.println(" TestNcmlAggExisting.open " + filename);
Array ATssta = ncfile.readSection("ATssta(:,0,0,0)");
Assert.assertEquals(4, ATssta.getSize());
}
Assert.assertEquals(0, AggregationExisting.countCacheUse);
AggregationExisting.countCacheUse = 0;
try (NetcdfFile ncfile = NcMLReader.readNcML(new StringReader(ncml), filename, null)) {
System.out.println(" TestNcmlAggExisting.open " + filename);
Array ATssta = ncfile.readSection("ATssta(:,0,0,0)");
Assert.assertEquals(4, ATssta.getSize());
}
Assert.assertEquals(8, AggregationExisting.countCacheUse);
}
@Ignore("files not available")
@Test
public void testCacheTiming() throws IOException, InvalidRangeException {
String filename = "file:testCacheTiming.xml";
System.out.printf("%s%n", filename);
String cacheDirName = TestDir.temporaryLocalDataDir + "testAggExistingCache/";
System.out.printf("cacheDir=%s%n", cacheDirName);
File cacheDir = new File(cacheDirName);
FileUtils.deleteDirectory(cacheDir); // from commons-io
assert !cacheDir.exists();
DiskCache2 cache = new DiskCache2(cacheDirName, false, 0, 0);
cache.setAlwaysUseCache(true);
Assert.assertEquals(cache.getRootDirectory(), cacheDirName);
assert new File(cache.getRootDirectory()).exists();
Aggregation.setPersistenceCache(cache);
AggregationExisting.countCacheUse = 0;
long start = System.currentTimeMillis();
try (NetcdfFile ncfile = NcMLReader.readNcML(new StringReader(ncml2), filename, null)) {
System.out.printf("%nTestNcmlAggExisting.open %s%n", filename);
Variable time = ncfile.findVariable("time");
System.out.printf(" Variable %s%n", time.getNameAndDimensions());
time.read();
}
System.out.printf(" countCacheUse = %d%n", AggregationExisting.countCacheUse);
long took = System.currentTimeMillis() - start;
System.out.printf(" first took %d msecs%n", took);
AggregationExisting.countCacheUse = 0;
start = System.currentTimeMillis();
try (NetcdfFile ncfile = NcMLReader.readNcML(new StringReader(ncml2), filename, null)) {
System.out.printf("%nTestNcmlAggExisting.open %s%n", filename);
Variable time = ncfile.findVariable("time");
System.out.printf(" Variable %s%n", time.getNameAndDimensions());
time.read();
}
System.out.printf(" countCacheUse = %d%n", AggregationExisting.countCacheUse);
took = System.currentTimeMillis() - start;
System.out.printf(" second took %d msecs%n", took);
}