Examples with Transaction jetbrains.exodus.env.Transaction used on opensource projects

Example 26 with Transaction

use of jetbrains.exodus.env.Transaction in project xodus by JetBrains.

the class GarbageCollectorTestInMemory method testTextIndexLikeWithDeletions.

private void testTextIndexLikeWithDeletions(boolean useExpirationChecker) {
    final long started = System.currentTimeMillis();
    prepare(useExpirationChecker);
    final Transaction txn = env.beginTransaction();
    final Store store = env.openStore("store", getStoreConfig(false), txn);
    final Store storeDups = env.openStore("storeDups", getStoreConfig(true), txn);
    txn.commit();
    try {
        while (System.currentTimeMillis() - started < TEST_DURATION) {
            env.executeInTransaction(new TransactionalExecutable() {

                @Override
                public void execute(@NotNull final Transaction txn) {
                    int randomInt = rnd.nextInt() & 0x3fffffff;
                    final int count = 4 + (randomInt) & 0x1f;
                    for (int j = 0; j < count; randomInt += ++j) {
                        final int intKey = randomInt & 0x3fff;
                        final ArrayByteIterable key = IntegerBinding.intToCompressedEntry(intKey);
                        final int valueLength = 50 + (randomInt % 100);
                        store.put(txn, key, new ArrayByteIterable(new byte[valueLength]));
                        storeDups.put(txn, key, IntegerBinding.intToEntry(randomInt % 32));
                    }
                    randomInt = (randomInt * randomInt) & 0x3fffffff;
                    for (int j = 0; j < count / 2; randomInt += ++j) {
                        final int intKey = randomInt & 0x3fff;
                        final ArrayByteIterable key = IntegerBinding.intToCompressedEntry(intKey);
                        store.delete(txn, key);
                        try (Cursor cursor = storeDups.openCursor(txn)) {
                            if (cursor.getSearchBoth(key, IntegerBinding.intToEntry(randomInt % 32))) {
                                cursor.deleteCurrent();
                            }
                        }
                    }
                }
            });
            Thread.sleep(0);
        }
    } catch (Throwable t) {
        memory.dump(new File(System.getProperty("user.home"), "dump"));
        logger.error("User code exception: ", t);
        Assert.assertTrue(false);
    }
}

Example 27 with Transaction

use of jetbrains.exodus.env.Transaction in project xodus by JetBrains.

the class GarbageCollectorTestInMemory method testTextIndexLike.

private void testTextIndexLike(boolean useExpirationChecker) {
    final long started = System.currentTimeMillis();
    prepare(useExpirationChecker);
    final Transaction txn = env.beginTransaction();
    final Store store = env.openStore("store", getStoreConfig(false), txn);
    final Store storeDups = env.openStore("storeDups", getStoreConfig(true), txn);
    txn.commit();
    try {
        while (System.currentTimeMillis() - started < TEST_DURATION) {
            env.executeInTransaction(new TransactionalExecutable() {

                @Override
                public void execute(@NotNull final Transaction txn) {
                    int randomInt = rnd.nextInt() & 0x3fffffff;
                    final int count = 4 + (randomInt) & 0x1f;
                    for (int j = 0; j < count; randomInt += ++j) {
                        final int intKey = randomInt & 0x3fff;
                        final ArrayByteIterable key = IntegerBinding.intToCompressedEntry(intKey);
                        final int valueLength = 50 + (randomInt % 100);
                        store.put(txn, key, new ArrayByteIterable(new byte[valueLength]));
                        storeDups.put(txn, key, IntegerBinding.intToEntry(randomInt % 32));
                    }
                }
            });
            Thread.sleep(0);
        }
    } catch (Throwable t) {
        memory.dump(new File(System.getProperty("user.home"), "dump"));
        logger.error("User code exception: ", t);
        Assert.assertTrue(false);
    }
}

Example 28 with Transaction

use of jetbrains.exodus.env.Transaction in project xodus by JetBrains.

the class PersistentSequentialDictionary method rename.

public void rename(@NotNull final PersistentStoreTransaction txn, @NotNull final String oldName, @NotNull final String newName) {
    if (oldName.equals(newName)) {
        return;
    }
    final int id = getId(txn, oldName);
    if (id < 0) {
        throw new IllegalArgumentException("Old entity type doesn't exist: " + oldName);
    }
    final int newId = getId(txn, newName);
    final ByteIterable idEntry = IntegerBinding.intToCompressedEntry(id);
    synchronized (lock) {
        operationsLog.add(new DictionaryOperation() {

            @Override
            void persist(final Transaction txn) {
                table.delete(txn, StringBinding.stringToEntry(oldName), idEntry);
                table.put(txn, StringBinding.stringToEntry(newName), idEntry);
            }
        });
        cache.remove(oldName);
        cache.put(newName, id);
        reverseCache.remove(id);
        if (newId >= 0) {
            reverseCache.remove(newId);
        }
    }
}

Example 29 with Transaction

use of jetbrains.exodus.env.Transaction in project xodus by JetBrains.

the class ExodusDirectory method listAll.

@Override
public String[] listAll() throws IOException {
    final Transaction txn = env.getAndCheckCurrentTransaction();
    final ArrayList<String> allFiles = new ArrayList<>((int) vfs.getNumberOfFiles(txn));
    for (final File file : vfs.getFiles(txn)) {
        allFiles.add(file.getPath());
    }
    return allFiles.toArray(new String[allFiles.size()]);
}

Example 30 with Transaction

use of jetbrains.exodus.env.Transaction in project xodus by JetBrains.

the class VfsFileTests method testFileCreation.

@Test
public void testFileCreation() {
    final Transaction txn = env.beginTransaction();
    final File file0 = vfs.createFile(txn, "file0");
    txn.commit();
    Assert.assertEquals(0L, file0.getDescriptor());
}