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 testNewVaultFilesLocality() {
final PersistentEntityStoreImpl store = getEntityStore();
final PersistentStoreTransaction txn = getStoreTransaction();
store.getConfig().setMaxInPlaceBlobSize(0); // no in-lace blobs
for (int i = 0; i < 256; ++i) {
txn.newEntity("E").setBlob("b", new ByteArrayInputStream("content".getBytes()));
}
Assert.assertTrue(txn.flush());
final FileSystemBlobVaultOld blobVault = (FileSystemBlobVaultOld) store.getBlobVault();
final File vaultLocation = blobVault.getVaultLocation();
Assert.assertEquals(257, vaultLocation.listFiles().length); // + "version" file
Assert.assertEquals(
256,
vaultLocation.listFiles(
new FilenameFilter() {
@Override
public boolean accept(File dir, String name) {
return name.endsWith(PersistentEntityStoreImpl.BLOBS_EXTENSION);
}
})
.length);
for (int i = 0; i < 256; ++i) {
txn.newEntity("E").setBlob("b", new ByteArrayInputStream("content".getBytes()));
}
Assert.assertTrue(txn.flush());
Assert.assertEquals(258, vaultLocation.listFiles().length);
Assert.assertEquals(
256,
vaultLocation.listFiles(
new FilenameFilter() {
@Override
public boolean accept(File dir, String name) {
return name.endsWith(PersistentEntityStoreImpl.BLOBS_EXTENSION);
}
})
.length);
}