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

Example 16 with Transaction

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

the class VfsStreamsTests method testWriteAndSeek.

@Test
public void testWriteAndSeek() throws IOException {
    Transaction txn = env.beginTransaction();
    final File file = vfs.createFile(txn, "file0");
    OutputStream outputStream;
    for (int i = 0; i < 4; ++i) {
        outputStream = vfs.writeFile(txn, file, i);
        outputStream.write(HOEGAARDEN.getBytes(UTF_8));
        outputStream.close();
    }
    txn.flush();
    final InputStream inputStream = vfs.readFile(txn, file);
    Assert.assertEquals("hhh" + HOEGAARDEN, streamAsString(inputStream));
    txn.abort();
}

Example 17 with Transaction

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

the class VfsStreamsTests method testTimeFieldsOfFiles.

@Test
public void testTimeFieldsOfFiles() throws IOException, InterruptedException {
    final long start = System.currentTimeMillis();
    Thread.sleep(20);
    final Transaction txn = env.beginTransaction();
    File file0 = vfs.createFile(txn, "file0");
    txn.flush();
    Thread.sleep(20);
    final OutputStream outputStream = vfs.appendFile(txn, file0);
    outputStream.write(RENAT_GILFANOV.getBytes(UTF_8));
    outputStream.close();
    txn.flush();
    file0 = vfs.openFile(txn, "file0", false);
    Assert.assertNotNull(file0);
    Assert.assertTrue(file0.getCreated() > start);
    Assert.assertTrue(file0.getCreated() < file0.getLastModified());
    txn.abort();
}

Example 18 with Transaction

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

the class VfsStreamsTests method writeOverwriteRead.

@Test
public void writeOverwriteRead() throws IOException {
    final Transaction txn = env.beginTransaction();
    final File file0 = vfs.createFile(txn, "file0");
    OutputStream outputStream = vfs.appendFile(txn, file0);
    outputStream.write(HOEGAARDEN.getBytes(UTF_8));
    outputStream.close();
    txn.flush();
    outputStream = vfs.writeFile(txn, file0);
    outputStream.write("x".getBytes(UTF_8));
    outputStream.close();
    txn.flush();
    final InputStream inputStream = vfs.readFile(txn, file0);
    Assert.assertEquals('x' + HOEGAARDEN.substring(1), streamAsString(inputStream));
    inputStream.close();
    txn.abort();
}

Example 19 with Transaction

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

the class VfsStreamsTests method testWriteOverwriteReadWithStrategy.

private void testWriteOverwriteReadWithStrategy(@NotNull final ClusteringStrategy strategy) throws IOException {
    vfs.shutdown();
    final VfsConfig config = new VfsConfig();
    config.setClusteringStrategy(strategy);
    vfs = new VirtualFileSystem(getEnvironment(), config);
    Transaction txn = env.beginTransaction();
    final File file0 = vfs.createFile(txn, "file0");
    OutputStream outputStream = vfs.writeFile(txn, file0);
    outputStream.write(HOEGAARDEN.getBytes(UTF_8));
    outputStream.close();
    InputStream inputStream = vfs.readFile(txn, file0);
    String actualRead = streamAsString(inputStream);
    Assert.assertEquals(HOEGAARDEN, actualRead);
    inputStream.close();
    txn.commit();
    txn = env.beginTransaction();
    outputStream = vfs.writeFile(txn, file0);
    outputStream.write(RENAT_GILFANOV.getBytes(UTF_8));
    outputStream.close();
    inputStream = vfs.readFile(txn, file0);
    actualRead = streamAsString(inputStream);
    Assert.assertEquals(RENAT_GILFANOV, actualRead);
    inputStream.close();
    txn.commit();
}

Example 20 with Transaction

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

the class VfsStreamsTests method writeRead.

@Test
public void writeRead() throws IOException {
    final Transaction txn = env.beginTransaction();
    final File file0 = vfs.createFile(txn, "file0");
    final OutputStream outputStream = vfs.appendFile(txn, file0);
    outputStream.write(HOEGAARDEN.getBytes(UTF_8));
    outputStream.close();
    txn.flush();
    final InputStream inputStream = vfs.readFile(txn, file0);
    Assert.assertEquals(HOEGAARDEN, streamAsString(inputStream));
    inputStream.close();
    txn.abort();
}