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

Example 11 with Transaction

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

the class VfsFileTests method testNumberOfFiles.

@Test
public void testNumberOfFiles() {
    final Transaction txn = env.beginTransaction();
    final HashSet<String> files = new HashSet<>();
    final int numberOfFiles = (int) (Math.random() * 1000 + 5000);
    for (int i = 0; i < numberOfFiles; ++i) {
        final String file = "file" + Math.random();
        if (!files.contains(file)) {
            files.add(file);
            vfs.createFile(txn, file);
        }
    }
    Assert.assertEquals(files.size(), vfs.getNumberOfFiles(txn));
    txn.commit();
}

Example 12 with Transaction

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

the class VfsFileTests method testFileCreation1.

@Test
public void testFileCreation1() {
    final Transaction txn = env.beginTransaction();
    final File file0 = vfs.openFile(txn, "file0", true);
    txn.commit();
    Assert.assertNotNull(file0);
    Assert.assertEquals(0L, file0.getDescriptor());
}

Example 13 with Transaction

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

the class VfsStreamsTests method writeOverwriteAppendRead.

@Test
public void writeOverwriteAppendRead() 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();
    outputStream = vfs.appendFile(txn, file0);
    outputStream.write(HOEGAARDEN.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) + HOEGAARDEN, streamAsString(inputStream));
    inputStream.close();
    txn.abort();
}

Example 14 with Transaction

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

the class VfsStreamsTests method testWriteAndSeek3.

@Test
@TestFor(issues = "XD-624")
public void testWriteAndSeek3() throws IOException {
    Transaction txn = env.beginTransaction();
    vfs.getConfig().setClusteringStrategy(new ClusteringStrategy.LinearClusteringStrategy(8));
    final File file = vfs.createFile(txn, "file0");
    OutputStream outputStream = vfs.writeFile(txn, file);
    final byte[] bytes = HOEGAARDEN.getBytes(UTF_8);
    outputStream.write(bytes);
    outputStream.close();
    outputStream = vfs.appendFile(txn, file);
    outputStream.write(bytes);
    outputStream.close();
    txn.flush();
    final InputStream inputStream = vfs.readFile(txn, file);
    Assert.assertEquals(HOEGAARDEN + HOEGAARDEN, streamAsString(inputStream));
    txn.abort();
}

Example 15 with Transaction

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

the class VfsStreamsTests method writeRead2.

@Test
public void writeRead2() 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();
    final InputStream inputStream = vfs.readFile(txn, file0);
    Assert.assertEquals(HOEGAARDEN, streamAsString(inputStream));
    inputStream.close();
    txn.commit();
}