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

Example 41 with Transaction

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

the class VfsStreamsTests method writeOverwriteRead2.

@Test
public void writeOverwriteRead2() throws IOException {
    final Transaction txn = env.beginTransaction();
    final File file0 = vfs.createFile(txn, "file0");
    OutputStream outputStream = vfs.appendFile(txn, file0);
    outputStream.write((HOEGAARDEN + HOEGAARDEN + HOEGAARDEN + HOEGAARDEN).getBytes(UTF_8));
    outputStream.close();
    txn.flush();
    outputStream = vfs.writeFile(txn, file0);
    outputStream.write("x".getBytes(UTF_8));
    outputStream.write(HOEGAARDEN.substring(1).getBytes(UTF_8));
    outputStream.write("x".getBytes(UTF_8));
    outputStream.write(HOEGAARDEN.substring(1).getBytes(UTF_8));
    outputStream.write("x".getBytes(UTF_8));
    outputStream.write(HOEGAARDEN.substring(1).getBytes(UTF_8));
    outputStream.write("x".getBytes(UTF_8));
    outputStream.write(HOEGAARDEN.substring(1).getBytes(UTF_8));
    outputStream.close();
    txn.flush();
    final InputStream inputStream = vfs.readFile(txn, file0);
    Assert.assertEquals('x' + HOEGAARDEN.substring(1) + 'x' + HOEGAARDEN.substring(1) + 'x' + HOEGAARDEN.substring(1) + 'x' + HOEGAARDEN.substring(1), streamAsString(inputStream));
    inputStream.close();
    txn.abort();
}

Example 42 with Transaction

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

the class VfsStreamsTests method writeRead3.

@Test
public void writeRead3() throws IOException {
    final Transaction txn = env.beginTransaction();
    final File file0 = vfs.createFile(txn, "file0");
    final OutputStream outputStream = vfs.writeFile(txn, file0);
    outputStream.write(0);
    outputStream.close();
    final InputStream inputStream = vfs.readFile(txn, file0);
    Assert.assertEquals(0, inputStream.read());
    inputStream.close();
    txn.commit();
}

Example 43 with Transaction

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

the class VfsStreamsTests method testWriteReadWithStrategy.

private void testWriteReadWithStrategy(@NotNull final ClusteringStrategy strategy) throws IOException {
    vfs.shutdown();
    final VfsConfig config = new VfsConfig();
    config.setClusteringStrategy(strategy);
    vfs = new VirtualFileSystem(getEnvironment(), config);
    final Transaction txn = env.beginTransaction();
    final byte[] bytes = RENAT_GILFANOV.getBytes(UTF_8);
    final File file0 = vfs.createFile(txn, "file0");
    final OutputStream outputStream0 = vfs.appendFile(txn, file0);
    outputStream0.write(bytes);
    outputStream0.close();
    final File file1 = vfs.createFile(txn, "file1");
    final OutputStream outputStream1 = vfs.appendFile(txn, file1);
    outputStream1.write(bytes);
    outputStream1.close();
    final InputStream inputStream0 = vfs.readFile(txn, file0);
    Assert.assertEquals(RENAT_GILFANOV, streamAsString(inputStream0));
    inputStream0.close();
    final InputStream inputStream1 = vfs.readFile(txn, file1);
    Assert.assertEquals(RENAT_GILFANOV, streamAsString(inputStream1));
    inputStream1.close();
    Assert.assertEquals((long) bytes.length, vfs.getFileLength(txn, file0));
    Assert.assertEquals((long) bytes.length, vfs.getFileLength(txn, file1));
    txn.commit();
}