public void testHandleToFileAndFileToHandle() {
final PersistentEntityStoreImpl store = getEntityStore();
final PersistentStoreTransaction txn = getStoreTransaction();
store.getConfig().setMaxInPlaceBlobSize(0); // no in-lace blobs
final int count = 1000;
for (int i = 0; i < count; ++i) {
txn.newEntity("E").setBlob("b", new ByteArrayInputStream("content".getBytes()));
}
Assert.assertTrue(txn.flush());
final FileSystemBlobVault blobVault = (FileSystemBlobVault) store.getBlobVault();
final NavigableMap<Long, File> handlesToFiles = new TreeMap<>();
for (final BackupStrategy.FileDescriptor fd : blobVault.getBackupStrategy().listFiles()) {
final File file = fd.getFile();
if (file.isFile() && !file.getName().equals(FileSystemBlobVaultOld.VERSION_FILE)) {
final long handle = blobVault.getBlobHandleByFile(file);
Assert.assertFalse(handlesToFiles.containsKey(handle));
handlesToFiles.put(handle, file);
Assert.assertEquals(file, blobVault.getBlobLocation(handle));
}
}
final long min = handlesToFiles.navigableKeySet().iterator().next();
Assert.assertEquals(0L, min);
final long max = handlesToFiles.descendingKeySet().iterator().next();
Assert.assertEquals((long) (count - 1), max);
}
public void testBackwardIteration() throws IOException {
final int records = 10000;
long seed = System.currentTimeMillis();
MersenneTwisterFast mersenneTwisterFast = new MersenneTwisterFast(1381162033616L);
System.out.println("testBackwardIteration seed : " + seed);
NavigableMap<OClusterPosition, byte[]> positionRecordMap = new TreeMap<OClusterPosition, byte[]>();
ORecordVersion recordVersion = OVersionFactory.instance().createVersion();
recordVersion.increment();
recordVersion.increment();
for (int i = 0; i < records; i++) {
int recordSize = mersenneTwisterFast.nextInt(2 * OClusterPage.MAX_RECORD_SIZE) + 1;
byte[] record = new byte[recordSize];
mersenneTwisterFast.nextBytes(record);
final OPhysicalPosition physicalPosition = paginatedCluster.createRecord(record, recordVersion, (byte) 2);
positionRecordMap.put(physicalPosition.clusterPosition, record);
}
Iterator<OClusterPosition> positionIterator = positionRecordMap.keySet().iterator();
while (positionIterator.hasNext()) {
OClusterPosition clusterPosition = positionIterator.next();
if (mersenneTwisterFast.nextBoolean()) {
Assert.assertTrue(paginatedCluster.deleteRecord(clusterPosition));
positionIterator.remove();
}
}
OPhysicalPosition physicalPosition = new OPhysicalPosition();
physicalPosition.clusterPosition = OClusterPositionFactory.INSTANCE.valueOf(Long.MAX_VALUE);
OPhysicalPosition[] positions = paginatedCluster.floorPositions(physicalPosition);
Assert.assertTrue(positions.length > 0);
positionIterator = positionRecordMap.descendingKeySet().iterator();
int counter = 0;
while (positionIterator.hasNext()) {
Assert.assertTrue(positions.length > 0);
OClusterPosition testedPosition = positionIterator.next();
Assert.assertEquals(positions[positions.length - 1].clusterPosition, testedPosition);
OPhysicalPosition positionToFind = positions[positions.length - 1];
positions = paginatedCluster.lowerPositions(positionToFind);
counter++;
}
Assert.assertEquals(paginatedCluster.getEntries(), counter);
Assert.assertEquals(paginatedCluster.getFirstPosition(), positionRecordMap.firstKey());
Assert.assertEquals(paginatedCluster.getLastPosition(), positionRecordMap.lastKey());
}
private static Records recordsFrom(
final NavigableMap<Long, JournalRecord> content, boolean descending) {
final Iterator<Long> iterator =
descending ? content.descendingKeySet().iterator() : content.keySet().iterator();
return new Records() {
@Override
public int size() {
return content.size();
}
@Override
public Iterator<JournalRecord> iterator() {
return new Iterator<JournalRecord>() {
@Override
public boolean hasNext() {
return iterator.hasNext();
}
@Override
public JournalRecord next() {
return content.get(iterator.next());
}
@Override
public void remove() {
throw new UnsupportedOperationException("This iterator is read-only");
}
};
}
@Override
public boolean isEmpty() {
return size() == 0;
}
};
}
public void testDescendingKeySet() {
NavigableMap<String, Integer> map = create();
NavigableSet<String> descendingKeySet = map.descendingKeySet();
assertTrue(descendingKeySet instanceof SynchronizedNavigableSet);
assertSame(mutex, ((SynchronizedNavigableSet<String>) descendingKeySet).mutex);
}